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def _writecheck(self, zinfo):
"""Check for errors before writing a file to the archive."""
if zinfo.filename in self.NameToInfo:
import warnings
warnings.warn('Duplicate name: %r' % zinfo.filename, stacklevel=3)
if self.mode not in ("w", "a"):
raise RuntimeError, 'write() requires mode "w" or "a"'
if not self.fp:
raise RuntimeError, \
"Attempt to write ZIP archive that was already closed"
if zinfo.compress_type == ZIP_DEFLATED and not zlib:
raise RuntimeError, \
"Compression requires the (missing) zlib module"
if zinfo.compress_type not in (ZIP_STORED, ZIP_DEFLATED):
raise RuntimeError, \
"That compression method is not supported"
if not self._allowZip64:
requires_zip64 = None
if len(self.filelist) >= ZIP_FILECOUNT_LIMIT:
requires_zip64 = "Files count"
elif zinfo.file_size > ZIP64_LIMIT:
requires_zip64 = "Filesize"
elif zinfo.header_offset > ZIP64_LIMIT:
requires_zip64 = "Zipfile size"
if requires_zip64:
raise LargeZipFile(requires_zip64 +
" would require ZIP64 extensions") | Check for errors before writing a file to the archive. | _writecheck | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def write(self, filename, arcname=None, compress_type=None):
"""Put the bytes from filename into the archive under the name
arcname."""
if not self.fp:
raise RuntimeError(
"Attempt to write to ZIP archive that was already closed")
st = os.stat(filename)
isdir = stat.S_ISDIR(st.st_mode)
mtime = time.localtime(st.st_mtime)
date_time = mtime[0:6]
# Create ZipInfo instance to store file information
if arcname is None:
arcname = filename
arcname = os.path.normpath(os.path.splitdrive(arcname)[1])
while arcname[0] in (os.sep, os.altsep):
arcname = arcname[1:]
if isdir:
arcname += '/'
zinfo = ZipInfo(arcname, date_time)
zinfo.external_attr = (st[0] & 0xFFFF) << 16L # Unix attributes
if isdir:
zinfo.compress_type = ZIP_STORED
elif compress_type is None:
zinfo.compress_type = self.compression
else:
zinfo.compress_type = compress_type
zinfo.file_size = st.st_size
zinfo.flag_bits = 0x00
zinfo.header_offset = self.fp.tell() # Start of header bytes
self._writecheck(zinfo)
self._didModify = True
if isdir:
zinfo.file_size = 0
zinfo.compress_size = 0
zinfo.CRC = 0
zinfo.external_attr |= 0x10 # MS-DOS directory flag
self.filelist.append(zinfo)
self.NameToInfo[zinfo.filename] = zinfo
self.fp.write(zinfo.FileHeader(False))
return
with open(filename, "rb") as fp:
# Must overwrite CRC and sizes with correct data later
zinfo.CRC = CRC = 0
zinfo.compress_size = compress_size = 0
# Compressed size can be larger than uncompressed size
zip64 = self._allowZip64 and \
zinfo.file_size * 1.05 > ZIP64_LIMIT
self.fp.write(zinfo.FileHeader(zip64))
if zinfo.compress_type == ZIP_DEFLATED:
cmpr = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION,
zlib.DEFLATED, -15)
else:
cmpr = None
file_size = 0
while 1:
buf = fp.read(1024 * 8)
if not buf:
break
file_size = file_size + len(buf)
CRC = crc32(buf, CRC) & 0xffffffff
if cmpr:
buf = cmpr.compress(buf)
compress_size = compress_size + len(buf)
self.fp.write(buf)
if cmpr:
buf = cmpr.flush()
compress_size = compress_size + len(buf)
self.fp.write(buf)
zinfo.compress_size = compress_size
else:
zinfo.compress_size = file_size
zinfo.CRC = CRC
zinfo.file_size = file_size
if not zip64 and self._allowZip64:
if file_size > ZIP64_LIMIT:
raise RuntimeError('File size has increased during compressing')
if compress_size > ZIP64_LIMIT:
raise RuntimeError('Compressed size larger than uncompressed size')
# Seek backwards and write file header (which will now include
# correct CRC and file sizes)
position = self.fp.tell() # Preserve current position in file
self.fp.seek(zinfo.header_offset, 0)
self.fp.write(zinfo.FileHeader(zip64))
self.fp.seek(position, 0)
self.filelist.append(zinfo)
self.NameToInfo[zinfo.filename] = zinfo | Put the bytes from filename into the archive under the name
arcname. | write | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def writestr(self, zinfo_or_arcname, bytes, compress_type=None):
"""Write a file into the archive. The contents is the string
'bytes'. 'zinfo_or_arcname' is either a ZipInfo instance or
the name of the file in the archive."""
if not isinstance(zinfo_or_arcname, ZipInfo):
zinfo = ZipInfo(filename=zinfo_or_arcname,
date_time=time.localtime(time.time())[:6])
zinfo.compress_type = self.compression
if zinfo.filename[-1] == '/':
zinfo.external_attr = 0o40775 << 16 # drwxrwxr-x
zinfo.external_attr |= 0x10 # MS-DOS directory flag
else:
zinfo.external_attr = 0o600 << 16 # ?rw-------
else:
zinfo = zinfo_or_arcname
if not self.fp:
raise RuntimeError(
"Attempt to write to ZIP archive that was already closed")
if compress_type is not None:
zinfo.compress_type = compress_type
zinfo.file_size = len(bytes) # Uncompressed size
zinfo.header_offset = self.fp.tell() # Start of header bytes
self._writecheck(zinfo)
self._didModify = True
zinfo.CRC = crc32(bytes) & 0xffffffff # CRC-32 checksum
if zinfo.compress_type == ZIP_DEFLATED:
co = zlib.compressobj(zlib.Z_DEFAULT_COMPRESSION,
zlib.DEFLATED, -15)
bytes = co.compress(bytes) + co.flush()
zinfo.compress_size = len(bytes) # Compressed size
else:
zinfo.compress_size = zinfo.file_size
zip64 = zinfo.file_size > ZIP64_LIMIT or \
zinfo.compress_size > ZIP64_LIMIT
if zip64 and not self._allowZip64:
raise LargeZipFile("Filesize would require ZIP64 extensions")
self.fp.write(zinfo.FileHeader(zip64))
self.fp.write(bytes)
if zinfo.flag_bits & 0x08:
# Write CRC and file sizes after the file data
fmt = '<LQQ' if zip64 else '<LLL'
self.fp.write(struct.pack(fmt, zinfo.CRC, zinfo.compress_size,
zinfo.file_size))
self.fp.flush()
self.filelist.append(zinfo)
self.NameToInfo[zinfo.filename] = zinfo | Write a file into the archive. The contents is the string
'bytes'. 'zinfo_or_arcname' is either a ZipInfo instance or
the name of the file in the archive. | writestr | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def close(self):
"""Close the file, and for mode "w" and "a" write the ending
records."""
if self.fp is None:
return
try:
if self.mode in ("w", "a") and self._didModify: # write ending records
pos1 = self.fp.tell()
for zinfo in self.filelist: # write central directory
dt = zinfo.date_time
dosdate = (dt[0] - 1980) << 9 | dt[1] << 5 | dt[2]
dostime = dt[3] << 11 | dt[4] << 5 | (dt[5] // 2)
extra = []
if zinfo.file_size > ZIP64_LIMIT \
or zinfo.compress_size > ZIP64_LIMIT:
extra.append(zinfo.file_size)
extra.append(zinfo.compress_size)
file_size = 0xffffffff
compress_size = 0xffffffff
else:
file_size = zinfo.file_size
compress_size = zinfo.compress_size
if zinfo.header_offset > ZIP64_LIMIT:
extra.append(zinfo.header_offset)
header_offset = 0xffffffffL
else:
header_offset = zinfo.header_offset
extra_data = zinfo.extra
if extra:
# Append a ZIP64 field to the extra's
extra_data = struct.pack(
'<HH' + 'Q'*len(extra),
1, 8*len(extra), *extra) + extra_data
extract_version = max(45, zinfo.extract_version)
create_version = max(45, zinfo.create_version)
else:
extract_version = zinfo.extract_version
create_version = zinfo.create_version
try:
filename, flag_bits = zinfo._encodeFilenameFlags()
centdir = struct.pack(structCentralDir,
stringCentralDir, create_version,
zinfo.create_system, extract_version, zinfo.reserved,
flag_bits, zinfo.compress_type, dostime, dosdate,
zinfo.CRC, compress_size, file_size,
len(filename), len(extra_data), len(zinfo.comment),
0, zinfo.internal_attr, zinfo.external_attr,
header_offset)
except DeprecationWarning:
print >>sys.stderr, (structCentralDir,
stringCentralDir, create_version,
zinfo.create_system, extract_version, zinfo.reserved,
zinfo.flag_bits, zinfo.compress_type, dostime, dosdate,
zinfo.CRC, compress_size, file_size,
len(zinfo.filename), len(extra_data), len(zinfo.comment),
0, zinfo.internal_attr, zinfo.external_attr,
header_offset)
raise
self.fp.write(centdir)
self.fp.write(filename)
self.fp.write(extra_data)
self.fp.write(zinfo.comment)
pos2 = self.fp.tell()
# Write end-of-zip-archive record
centDirCount = len(self.filelist)
centDirSize = pos2 - pos1
centDirOffset = pos1
requires_zip64 = None
if centDirCount > ZIP_FILECOUNT_LIMIT:
requires_zip64 = "Files count"
elif centDirOffset > ZIP64_LIMIT:
requires_zip64 = "Central directory offset"
elif centDirSize > ZIP64_LIMIT:
requires_zip64 = "Central directory size"
if requires_zip64:
# Need to write the ZIP64 end-of-archive records
if not self._allowZip64:
raise LargeZipFile(requires_zip64 +
" would require ZIP64 extensions")
zip64endrec = struct.pack(
structEndArchive64, stringEndArchive64,
44, 45, 45, 0, 0, centDirCount, centDirCount,
centDirSize, centDirOffset)
self.fp.write(zip64endrec)
zip64locrec = struct.pack(
structEndArchive64Locator,
stringEndArchive64Locator, 0, pos2, 1)
self.fp.write(zip64locrec)
centDirCount = min(centDirCount, 0xFFFF)
centDirSize = min(centDirSize, 0xFFFFFFFF)
centDirOffset = min(centDirOffset, 0xFFFFFFFF)
endrec = struct.pack(structEndArchive, stringEndArchive,
0, 0, centDirCount, centDirCount,
centDirSize, centDirOffset, len(self._comment))
self.fp.write(endrec)
self.fp.write(self._comment)
self.fp.flush()
finally:
fp = self.fp
self.fp = None
if not self._filePassed:
fp.close() | Close the file, and for mode "w" and "a" write the ending
records. | close | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def writepy(self, pathname, basename = ""):
"""Add all files from "pathname" to the ZIP archive.
If pathname is a package directory, search the directory and
all package subdirectories recursively for all *.py and enter
the modules into the archive. If pathname is a plain
directory, listdir *.py and enter all modules. Else, pathname
must be a Python *.py file and the module will be put into the
archive. Added modules are always module.pyo or module.pyc.
This method will compile the module.py into module.pyc if
necessary.
"""
dir, name = os.path.split(pathname)
if os.path.isdir(pathname):
initname = os.path.join(pathname, "__init__.py")
if os.path.isfile(initname):
# This is a package directory, add it
if basename:
basename = "%s/%s" % (basename, name)
else:
basename = name
if self.debug:
print "Adding package in", pathname, "as", basename
fname, arcname = self._get_codename(initname[0:-3], basename)
if self.debug:
print "Adding", arcname
self.write(fname, arcname)
dirlist = os.listdir(pathname)
dirlist.remove("__init__.py")
# Add all *.py files and package subdirectories
for filename in dirlist:
path = os.path.join(pathname, filename)
root, ext = os.path.splitext(filename)
if os.path.isdir(path):
if os.path.isfile(os.path.join(path, "__init__.py")):
# This is a package directory, add it
self.writepy(path, basename) # Recursive call
elif ext == ".py":
fname, arcname = self._get_codename(path[0:-3],
basename)
if self.debug:
print "Adding", arcname
self.write(fname, arcname)
else:
# This is NOT a package directory, add its files at top level
if self.debug:
print "Adding files from directory", pathname
for filename in os.listdir(pathname):
path = os.path.join(pathname, filename)
root, ext = os.path.splitext(filename)
if ext == ".py":
fname, arcname = self._get_codename(path[0:-3],
basename)
if self.debug:
print "Adding", arcname
self.write(fname, arcname)
else:
if pathname[-3:] != ".py":
raise RuntimeError, \
'Files added with writepy() must end with ".py"'
fname, arcname = self._get_codename(pathname[0:-3], basename)
if self.debug:
print "Adding file", arcname
self.write(fname, arcname) | Add all files from "pathname" to the ZIP archive.
If pathname is a package directory, search the directory and
all package subdirectories recursively for all *.py and enter
the modules into the archive. If pathname is a plain
directory, listdir *.py and enter all modules. Else, pathname
must be a Python *.py file and the module will be put into the
archive. Added modules are always module.pyo or module.pyc.
This method will compile the module.py into module.pyc if
necessary.
| writepy | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def _get_codename(self, pathname, basename):
"""Return (filename, archivename) for the path.
Given a module name path, return the correct file path and
archive name, compiling if necessary. For example, given
/python/lib/string, return (/python/lib/string.pyc, string).
"""
file_py = pathname + ".py"
file_pyc = pathname + ".pyc"
file_pyo = pathname + ".pyo"
if os.path.isfile(file_pyo) and \
os.stat(file_pyo).st_mtime >= os.stat(file_py).st_mtime:
fname = file_pyo # Use .pyo file
elif not os.path.isfile(file_pyc) or \
os.stat(file_pyc).st_mtime < os.stat(file_py).st_mtime:
import py_compile
if self.debug:
print "Compiling", file_py
try:
py_compile.compile(file_py, file_pyc, None, True)
except py_compile.PyCompileError,err:
print err.msg
fname = file_pyc
else:
fname = file_pyc
archivename = os.path.split(fname)[1]
if basename:
archivename = "%s/%s" % (basename, archivename)
return (fname, archivename) | Return (filename, archivename) for the path.
Given a module name path, return the correct file path and
archive name, compiling if necessary. For example, given
/python/lib/string, return (/python/lib/string.pyc, string).
| _get_codename | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/zipfile.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/zipfile.py | MIT |
def isdisjoint(self, other):
'Return True if two sets have a null intersection.'
for value in other:
if value in self:
return False
return True | Return True if two sets have a null intersection. | isdisjoint | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def _hash(self):
"""Compute the hash value of a set.
Note that we don't define __hash__: not all sets are hashable.
But if you define a hashable set type, its __hash__ should
call this function.
This must be compatible __eq__.
All sets ought to compare equal if they contain the same
elements, regardless of how they are implemented, and
regardless of the order of the elements; so there's not much
freedom for __eq__ or __hash__. We match the algorithm used
by the built-in frozenset type.
"""
MAX = sys.maxint
MASK = 2 * MAX + 1
n = len(self)
h = 1927868237 * (n + 1)
h &= MASK
for x in self:
hx = hash(x)
h ^= (hx ^ (hx << 16) ^ 89869747) * 3644798167
h &= MASK
h = h * 69069 + 907133923
h &= MASK
if h > MAX:
h -= MASK + 1
if h == -1:
h = 590923713
return h | Compute the hash value of a set.
Note that we don't define __hash__: not all sets are hashable.
But if you define a hashable set type, its __hash__ should
call this function.
This must be compatible __eq__.
All sets ought to compare equal if they contain the same
elements, regardless of how they are implemented, and
regardless of the order of the elements; so there's not much
freedom for __eq__ or __hash__. We match the algorithm used
by the built-in frozenset type.
| _hash | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def remove(self, value):
"""Remove an element. If not a member, raise a KeyError."""
if value not in self:
raise KeyError(value)
self.discard(value) | Remove an element. If not a member, raise a KeyError. | remove | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def pop(self):
"""Return the popped value. Raise KeyError if empty."""
it = iter(self)
try:
value = next(it)
except StopIteration:
raise KeyError
self.discard(value)
return value | Return the popped value. Raise KeyError if empty. | pop | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def clear(self):
"""This is slow (creates N new iterators!) but effective."""
try:
while True:
self.pop()
except KeyError:
pass | This is slow (creates N new iterators!) but effective. | clear | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def get(self, key, default=None):
'D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None.'
try:
return self[key]
except KeyError:
return default | D.get(k[,d]) -> D[k] if k in D, else d. d defaults to None. | get | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def itervalues(self):
'D.itervalues() -> an iterator over the values of D'
for key in self:
yield self[key] | D.itervalues() -> an iterator over the values of D | itervalues | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def iteritems(self):
'D.iteritems() -> an iterator over the (key, value) items of D'
for key in self:
yield (key, self[key]) | D.iteritems() -> an iterator over the (key, value) items of D | iteritems | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def items(self):
"D.items() -> list of D's (key, value) pairs, as 2-tuples"
return [(key, self[key]) for key in self] | D.items() -> list of D's (key, value) pairs, as 2-tuples | items | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def pop(self, key, default=__marker):
'''D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
If key is not found, d is returned if given, otherwise KeyError is raised.
'''
try:
value = self[key]
except KeyError:
if default is self.__marker:
raise
return default
else:
del self[key]
return value | D.pop(k[,d]) -> v, remove specified key and return the corresponding value.
If key is not found, d is returned if given, otherwise KeyError is raised.
| pop | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def popitem(self):
'''D.popitem() -> (k, v), remove and return some (key, value) pair
as a 2-tuple; but raise KeyError if D is empty.
'''
try:
key = next(iter(self))
except StopIteration:
raise KeyError
value = self[key]
del self[key]
return key, value | D.popitem() -> (k, v), remove and return some (key, value) pair
as a 2-tuple; but raise KeyError if D is empty.
| popitem | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def clear(self):
'D.clear() -> None. Remove all items from D.'
try:
while True:
self.popitem()
except KeyError:
pass | D.clear() -> None. Remove all items from D. | clear | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def update(*args, **kwds):
''' D.update([E, ]**F) -> None. Update D from mapping/iterable E and F.
If E present and has a .keys() method, does: for k in E: D[k] = E[k]
If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v
In either case, this is followed by: for k, v in F.items(): D[k] = v
'''
if not args:
raise TypeError("descriptor 'update' of 'MutableMapping' object "
"needs an argument")
self = args[0]
args = args[1:]
if len(args) > 1:
raise TypeError('update expected at most 1 arguments, got %d' %
len(args))
if args:
other = args[0]
if isinstance(other, Mapping):
for key in other:
self[key] = other[key]
elif hasattr(other, "keys"):
for key in other.keys():
self[key] = other[key]
else:
for key, value in other:
self[key] = value
for key, value in kwds.items():
self[key] = value | D.update([E, ]**F) -> None. Update D from mapping/iterable E and F.
If E present and has a .keys() method, does: for k in E: D[k] = E[k]
If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v
In either case, this is followed by: for k, v in F.items(): D[k] = v
| update | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def setdefault(self, key, default=None):
'D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D'
try:
return self[key]
except KeyError:
self[key] = default
return default | D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D | setdefault | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def index(self, value):
'''S.index(value) -> integer -- return first index of value.
Raises ValueError if the value is not present.
'''
for i, v in enumerate(self):
if v == value:
return i
raise ValueError | S.index(value) -> integer -- return first index of value.
Raises ValueError if the value is not present.
| index | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def count(self, value):
'S.count(value) -> integer -- return number of occurrences of value'
return sum(1 for v in self if v == value) | S.count(value) -> integer -- return number of occurrences of value | count | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def extend(self, values):
'S.extend(iterable) -- extend sequence by appending elements from the iterable'
for v in values:
self.append(v) | S.extend(iterable) -- extend sequence by appending elements from the iterable | extend | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def pop(self, index=-1):
'''S.pop([index]) -> item -- remove and return item at index (default last).
Raise IndexError if list is empty or index is out of range.
'''
v = self[index]
del self[index]
return v | S.pop([index]) -> item -- remove and return item at index (default last).
Raise IndexError if list is empty or index is out of range.
| pop | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_abcoll.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_abcoll.py | MIT |
def lwp_cookie_str(cookie):
"""Return string representation of Cookie in the LWP cookie file format.
Actually, the format is extended a bit -- see module docstring.
"""
h = [(cookie.name, cookie.value),
("path", cookie.path),
("domain", cookie.domain)]
if cookie.port is not None: h.append(("port", cookie.port))
if cookie.path_specified: h.append(("path_spec", None))
if cookie.port_specified: h.append(("port_spec", None))
if cookie.domain_initial_dot: h.append(("domain_dot", None))
if cookie.secure: h.append(("secure", None))
if cookie.expires: h.append(("expires",
time2isoz(float(cookie.expires))))
if cookie.discard: h.append(("discard", None))
if cookie.comment: h.append(("comment", cookie.comment))
if cookie.comment_url: h.append(("commenturl", cookie.comment_url))
keys = cookie._rest.keys()
keys.sort()
for k in keys:
h.append((k, str(cookie._rest[k])))
h.append(("version", str(cookie.version)))
return join_header_words([h]) | Return string representation of Cookie in the LWP cookie file format.
Actually, the format is extended a bit -- see module docstring.
| lwp_cookie_str | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_LWPCookieJar.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_LWPCookieJar.py | MIT |
def as_lwp_str(self, ignore_discard=True, ignore_expires=True):
"""Return cookies as a string of "\\n"-separated "Set-Cookie3" headers.
ignore_discard and ignore_expires: see docstring for FileCookieJar.save
"""
now = time.time()
r = []
for cookie in self:
if not ignore_discard and cookie.discard:
continue
if not ignore_expires and cookie.is_expired(now):
continue
r.append("Set-Cookie3: %s" % lwp_cookie_str(cookie))
return "\n".join(r+[""]) | Return cookies as a string of "\n"-separated "Set-Cookie3" headers.
ignore_discard and ignore_expires: see docstring for FileCookieJar.save
| as_lwp_str | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_LWPCookieJar.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_LWPCookieJar.py | MIT |
def _find_executable(executable, path=None):
"""Tries to find 'executable' in the directories listed in 'path'.
A string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']. Returns the complete filename or None if not found.
"""
if path is None:
path = os.environ['PATH']
paths = path.split(os.pathsep)
base, ext = os.path.splitext(executable)
if (sys.platform == 'win32' or os.name == 'os2') and (ext != '.exe'):
executable = executable + '.exe'
if not os.path.isfile(executable):
for p in paths:
f = os.path.join(p, executable)
if os.path.isfile(f):
# the file exists, we have a shot at spawn working
return f
return None
else:
return executable | Tries to find 'executable' in the directories listed in 'path'.
A string listing directories separated by 'os.pathsep'; defaults to
os.environ['PATH']. Returns the complete filename or None if not found.
| _find_executable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _read_output(commandstring):
"""Output from successful command execution or None"""
# Similar to os.popen(commandstring, "r").read(),
# but without actually using os.popen because that
# function is not usable during python bootstrap.
# tempfile is also not available then.
import contextlib
try:
import tempfile
fp = tempfile.NamedTemporaryFile()
except ImportError:
fp = open("/tmp/_osx_support.%s"%(
os.getpid(),), "w+b")
with contextlib.closing(fp) as fp:
cmd = "%s 2>/dev/null >'%s'" % (commandstring, fp.name)
return fp.read().strip() if not os.system(cmd) else None | Output from successful command execution or None | _read_output | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _find_build_tool(toolname):
"""Find a build tool on current path or using xcrun"""
return (_find_executable(toolname)
or _read_output("/usr/bin/xcrun -find %s" % (toolname,))
or ''
) | Find a build tool on current path or using xcrun | _find_build_tool | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _get_system_version():
"""Return the OS X system version as a string"""
# Reading this plist is a documented way to get the system
# version (see the documentation for the Gestalt Manager)
# We avoid using platform.mac_ver to avoid possible bootstrap issues during
# the build of Python itself (distutils is used to build standard library
# extensions).
global _SYSTEM_VERSION
if _SYSTEM_VERSION is None:
_SYSTEM_VERSION = ''
try:
f = open('/System/Library/CoreServices/SystemVersion.plist')
except IOError:
# We're on a plain darwin box, fall back to the default
# behaviour.
pass
else:
try:
m = re.search(r'<key>ProductUserVisibleVersion</key>\s*'
r'<string>(.*?)</string>', f.read())
finally:
f.close()
if m is not None:
_SYSTEM_VERSION = '.'.join(m.group(1).split('.')[:2])
# else: fall back to the default behaviour
return _SYSTEM_VERSION | Return the OS X system version as a string | _get_system_version | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _remove_original_values(_config_vars):
"""Remove original unmodified values for testing"""
# This is needed for higher-level cross-platform tests of get_platform.
for k in list(_config_vars):
if k.startswith(_INITPRE):
del _config_vars[k] | Remove original unmodified values for testing | _remove_original_values | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _save_modified_value(_config_vars, cv, newvalue):
"""Save modified and original unmodified value of configuration var"""
oldvalue = _config_vars.get(cv, '')
if (oldvalue != newvalue) and (_INITPRE + cv not in _config_vars):
_config_vars[_INITPRE + cv] = oldvalue
_config_vars[cv] = newvalue | Save modified and original unmodified value of configuration var | _save_modified_value | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _supports_universal_builds():
"""Returns True if universal builds are supported on this system"""
# As an approximation, we assume that if we are running on 10.4 or above,
# then we are running with an Xcode environment that supports universal
# builds, in particular -isysroot and -arch arguments to the compiler. This
# is in support of allowing 10.4 universal builds to run on 10.3.x systems.
osx_version = _get_system_version()
if osx_version:
try:
osx_version = tuple(int(i) for i in osx_version.split('.'))
except ValueError:
osx_version = ''
return bool(osx_version >= (10, 4)) if osx_version else False | Returns True if universal builds are supported on this system | _supports_universal_builds | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _find_appropriate_compiler(_config_vars):
"""Find appropriate C compiler for extension module builds"""
# Issue #13590:
# The OSX location for the compiler varies between OSX
# (or rather Xcode) releases. With older releases (up-to 10.5)
# the compiler is in /usr/bin, with newer releases the compiler
# can only be found inside Xcode.app if the "Command Line Tools"
# are not installed.
#
# Furthermore, the compiler that can be used varies between
# Xcode releases. Up to Xcode 4 it was possible to use 'gcc-4.2'
# as the compiler, after that 'clang' should be used because
# gcc-4.2 is either not present, or a copy of 'llvm-gcc' that
# miscompiles Python.
# skip checks if the compiler was overridden with a CC env variable
if 'CC' in os.environ:
return _config_vars
# The CC config var might contain additional arguments.
# Ignore them while searching.
cc = oldcc = _config_vars['CC'].split()[0]
if not _find_executable(cc):
# Compiler is not found on the shell search PATH.
# Now search for clang, first on PATH (if the Command LIne
# Tools have been installed in / or if the user has provided
# another location via CC). If not found, try using xcrun
# to find an uninstalled clang (within a selected Xcode).
# NOTE: Cannot use subprocess here because of bootstrap
# issues when building Python itself (and os.popen is
# implemented on top of subprocess and is therefore not
# usable as well)
cc = _find_build_tool('clang')
elif os.path.basename(cc).startswith('gcc'):
# Compiler is GCC, check if it is LLVM-GCC
data = _read_output("'%s' --version"
% (cc.replace("'", "'\"'\"'"),))
if data and 'llvm-gcc' in data:
# Found LLVM-GCC, fall back to clang
cc = _find_build_tool('clang')
if not cc:
raise SystemError(
"Cannot locate working compiler")
if cc != oldcc:
# Found a replacement compiler.
# Modify config vars using new compiler, if not already explicitly
# overridden by an env variable, preserving additional arguments.
for cv in _COMPILER_CONFIG_VARS:
if cv in _config_vars and cv not in os.environ:
cv_split = _config_vars[cv].split()
cv_split[0] = cc if cv != 'CXX' else cc + '++'
_save_modified_value(_config_vars, cv, ' '.join(cv_split))
return _config_vars | Find appropriate C compiler for extension module builds | _find_appropriate_compiler | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _remove_universal_flags(_config_vars):
"""Remove all universal build arguments from config vars"""
for cv in _UNIVERSAL_CONFIG_VARS:
# Do not alter a config var explicitly overridden by env var
if cv in _config_vars and cv not in os.environ:
flags = _config_vars[cv]
flags = re.sub('-arch\s+\w+\s', ' ', flags)
flags = re.sub('-isysroot [^ \t]*', ' ', flags)
_save_modified_value(_config_vars, cv, flags)
return _config_vars | Remove all universal build arguments from config vars | _remove_universal_flags | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _remove_unsupported_archs(_config_vars):
"""Remove any unsupported archs from config vars"""
# Different Xcode releases support different sets for '-arch'
# flags. In particular, Xcode 4.x no longer supports the
# PPC architectures.
#
# This code automatically removes '-arch ppc' and '-arch ppc64'
# when these are not supported. That makes it possible to
# build extensions on OSX 10.7 and later with the prebuilt
# 32-bit installer on the python.org website.
# skip checks if the compiler was overridden with a CC env variable
if 'CC' in os.environ:
return _config_vars
if re.search('-arch\s+ppc', _config_vars['CFLAGS']) is not None:
# NOTE: Cannot use subprocess here because of bootstrap
# issues when building Python itself
status = os.system(
"""echo 'int main{};' | """
"""'%s' -c -arch ppc -x c -o /dev/null /dev/null 2>/dev/null"""
%(_config_vars['CC'].replace("'", "'\"'\"'"),))
if status:
# The compile failed for some reason. Because of differences
# across Xcode and compiler versions, there is no reliable way
# to be sure why it failed. Assume here it was due to lack of
# PPC support and remove the related '-arch' flags from each
# config variables not explicitly overridden by an environment
# variable. If the error was for some other reason, we hope the
# failure will show up again when trying to compile an extension
# module.
for cv in _UNIVERSAL_CONFIG_VARS:
if cv in _config_vars and cv not in os.environ:
flags = _config_vars[cv]
flags = re.sub('-arch\s+ppc\w*\s', ' ', flags)
_save_modified_value(_config_vars, cv, flags)
return _config_vars | Remove any unsupported archs from config vars | _remove_unsupported_archs | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _override_all_archs(_config_vars):
"""Allow override of all archs with ARCHFLAGS env var"""
# NOTE: This name was introduced by Apple in OSX 10.5 and
# is used by several scripting languages distributed with
# that OS release.
if 'ARCHFLAGS' in os.environ:
arch = os.environ['ARCHFLAGS']
for cv in _UNIVERSAL_CONFIG_VARS:
if cv in _config_vars and '-arch' in _config_vars[cv]:
flags = _config_vars[cv]
flags = re.sub('-arch\s+\w+\s', ' ', flags)
flags = flags + ' ' + arch
_save_modified_value(_config_vars, cv, flags)
return _config_vars | Allow override of all archs with ARCHFLAGS env var | _override_all_archs | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def _check_for_unavailable_sdk(_config_vars):
"""Remove references to any SDKs not available"""
# If we're on OSX 10.5 or later and the user tries to
# compile an extension using an SDK that is not present
# on the current machine it is better to not use an SDK
# than to fail. This is particularly important with
# the standalone Command Line Tools alternative to a
# full-blown Xcode install since the CLT packages do not
# provide SDKs. If the SDK is not present, it is assumed
# that the header files and dev libs have been installed
# to /usr and /System/Library by either a standalone CLT
# package or the CLT component within Xcode.
cflags = _config_vars.get('CFLAGS', '')
m = re.search(r'-isysroot\s+(\S+)', cflags)
if m is not None:
sdk = m.group(1)
if not os.path.exists(sdk):
for cv in _UNIVERSAL_CONFIG_VARS:
# Do not alter a config var explicitly overridden by env var
if cv in _config_vars and cv not in os.environ:
flags = _config_vars[cv]
flags = re.sub(r'-isysroot\s+\S+(?:\s|$)', ' ', flags)
_save_modified_value(_config_vars, cv, flags)
return _config_vars | Remove references to any SDKs not available | _check_for_unavailable_sdk | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def compiler_fixup(compiler_so, cc_args):
"""
This function will strip '-isysroot PATH' and '-arch ARCH' from the
compile flags if the user has specified one them in extra_compile_flags.
This is needed because '-arch ARCH' adds another architecture to the
build, without a way to remove an architecture. Furthermore GCC will
barf if multiple '-isysroot' arguments are present.
"""
stripArch = stripSysroot = False
compiler_so = list(compiler_so)
if not _supports_universal_builds():
# OSX before 10.4.0, these don't support -arch and -isysroot at
# all.
stripArch = stripSysroot = True
else:
stripArch = '-arch' in cc_args
stripSysroot = '-isysroot' in cc_args
if stripArch or 'ARCHFLAGS' in os.environ:
while True:
try:
index = compiler_so.index('-arch')
# Strip this argument and the next one:
del compiler_so[index:index+2]
except ValueError:
break
if 'ARCHFLAGS' in os.environ and not stripArch:
# User specified different -arch flags in the environ,
# see also distutils.sysconfig
compiler_so = compiler_so + os.environ['ARCHFLAGS'].split()
if stripSysroot:
while True:
try:
index = compiler_so.index('-isysroot')
# Strip this argument and the next one:
del compiler_so[index:index+2]
except ValueError:
break
# Check if the SDK that is used during compilation actually exists,
# the universal build requires the usage of a universal SDK and not all
# users have that installed by default.
sysroot = None
if '-isysroot' in cc_args:
idx = cc_args.index('-isysroot')
sysroot = cc_args[idx+1]
elif '-isysroot' in compiler_so:
idx = compiler_so.index('-isysroot')
sysroot = compiler_so[idx+1]
if sysroot and not os.path.isdir(sysroot):
from distutils import log
log.warn("Compiling with an SDK that doesn't seem to exist: %s",
sysroot)
log.warn("Please check your Xcode installation")
return compiler_so |
This function will strip '-isysroot PATH' and '-arch ARCH' from the
compile flags if the user has specified one them in extra_compile_flags.
This is needed because '-arch ARCH' adds another architecture to the
build, without a way to remove an architecture. Furthermore GCC will
barf if multiple '-isysroot' arguments are present.
| compiler_fixup | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def customize_config_vars(_config_vars):
"""Customize Python build configuration variables.
Called internally from sysconfig with a mutable mapping
containing name/value pairs parsed from the configured
makefile used to build this interpreter. Returns
the mapping updated as needed to reflect the environment
in which the interpreter is running; in the case of
a Python from a binary installer, the installed
environment may be very different from the build
environment, i.e. different OS levels, different
built tools, different available CPU architectures.
This customization is performed whenever
distutils.sysconfig.get_config_vars() is first
called. It may be used in environments where no
compilers are present, i.e. when installing pure
Python dists. Customization of compiler paths
and detection of unavailable archs is deferred
until the first extension module build is
requested (in distutils.sysconfig.customize_compiler).
Currently called from distutils.sysconfig
"""
if not _supports_universal_builds():
# On Mac OS X before 10.4, check if -arch and -isysroot
# are in CFLAGS or LDFLAGS and remove them if they are.
# This is needed when building extensions on a 10.3 system
# using a universal build of python.
_remove_universal_flags(_config_vars)
# Allow user to override all archs with ARCHFLAGS env var
_override_all_archs(_config_vars)
# Remove references to sdks that are not found
_check_for_unavailable_sdk(_config_vars)
return _config_vars | Customize Python build configuration variables.
Called internally from sysconfig with a mutable mapping
containing name/value pairs parsed from the configured
makefile used to build this interpreter. Returns
the mapping updated as needed to reflect the environment
in which the interpreter is running; in the case of
a Python from a binary installer, the installed
environment may be very different from the build
environment, i.e. different OS levels, different
built tools, different available CPU architectures.
This customization is performed whenever
distutils.sysconfig.get_config_vars() is first
called. It may be used in environments where no
compilers are present, i.e. when installing pure
Python dists. Customization of compiler paths
and detection of unavailable archs is deferred
until the first extension module build is
requested (in distutils.sysconfig.customize_compiler).
Currently called from distutils.sysconfig
| customize_config_vars | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def customize_compiler(_config_vars):
"""Customize compiler path and configuration variables.
This customization is performed when the first
extension module build is requested
in distutils.sysconfig.customize_compiler).
"""
# Find a compiler to use for extension module builds
_find_appropriate_compiler(_config_vars)
# Remove ppc arch flags if not supported here
_remove_unsupported_archs(_config_vars)
# Allow user to override all archs with ARCHFLAGS env var
_override_all_archs(_config_vars)
return _config_vars | Customize compiler path and configuration variables.
This customization is performed when the first
extension module build is requested
in distutils.sysconfig.customize_compiler).
| customize_compiler | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_osx_support.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_osx_support.py | MIT |
def flush(self):
"""Flush write buffers, if applicable.
This is not implemented for read-only and non-blocking streams.
"""
self._checkClosed()
# XXX Should this return the number of bytes written??? | Flush write buffers, if applicable.
This is not implemented for read-only and non-blocking streams.
| flush | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def close(self):
"""Flush and close the IO object.
This method has no effect if the file is already closed.
"""
if not self.__closed:
try:
self.flush()
finally:
self.__closed = True | Flush and close the IO object.
This method has no effect if the file is already closed.
| close | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def _checkSeekable(self, msg=None):
"""Internal: raise an IOError if file is not seekable
"""
if not self.seekable():
raise IOError("File or stream is not seekable."
if msg is None else msg) | Internal: raise an IOError if file is not seekable
| _checkSeekable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def _checkReadable(self, msg=None):
"""Internal: raise an IOError if file is not readable
"""
if not self.readable():
raise IOError("File or stream is not readable."
if msg is None else msg) | Internal: raise an IOError if file is not readable
| _checkReadable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def _checkWritable(self, msg=None):
"""Internal: raise an IOError if file is not writable
"""
if not self.writable():
raise IOError("File or stream is not writable."
if msg is None else msg) | Internal: raise an IOError if file is not writable
| _checkWritable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def _checkClosed(self, msg=None):
"""Internal: raise a ValueError if file is closed
"""
if self.closed:
raise ValueError("I/O operation on closed file."
if msg is None else msg) | Internal: raise a ValueError if file is closed
| _checkClosed | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def readlines(self, hint=None):
"""Return a list of lines from the stream.
hint can be specified to control the number of lines read: no more
lines will be read if the total size (in bytes/characters) of all
lines so far exceeds hint.
"""
if hint is not None and not isinstance(hint, (int, long)):
raise TypeError("integer or None expected")
if hint is None or hint <= 0:
return list(self)
n = 0
lines = []
for line in self:
lines.append(line)
n += len(line)
if n >= hint:
break
return lines | Return a list of lines from the stream.
hint can be specified to control the number of lines read: no more
lines will be read if the total size (in bytes/characters) of all
lines so far exceeds hint.
| readlines | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def read(self, n=-1):
"""Read and return up to n bytes.
Returns an empty bytes object on EOF, or None if the object is
set not to block and has no data to read.
"""
if n is None:
n = -1
if n < 0:
return self.readall()
b = bytearray(n.__index__())
n = self.readinto(b)
if n is None:
return None
del b[n:]
return bytes(b) | Read and return up to n bytes.
Returns an empty bytes object on EOF, or None if the object is
set not to block and has no data to read.
| read | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def readall(self):
"""Read until EOF, using multiple read() call."""
res = bytearray()
while True:
data = self.read(DEFAULT_BUFFER_SIZE)
if not data:
break
res += data
if res:
return bytes(res)
else:
# b'' or None
return data | Read until EOF, using multiple read() call. | readall | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def readinto(self, b):
"""Read up to len(b) bytes into b.
Like read(), this may issue multiple reads to the underlying raw
stream, unless the latter is 'interactive'.
Returns the number of bytes read (0 for EOF).
Raises BlockingIOError if the underlying raw stream has no
data at the moment.
"""
data = self.read(len(b))
n = len(data)
try:
b[:n] = data
except TypeError as err:
import array
if not isinstance(b, array.array):
raise err
b[:n] = array.array(b'b', data)
return n | Read up to len(b) bytes into b.
Like read(), this may issue multiple reads to the underlying raw
stream, unless the latter is 'interactive'.
Returns the number of bytes read (0 for EOF).
Raises BlockingIOError if the underlying raw stream has no
data at the moment.
| readinto | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def getvalue(self):
"""Return the bytes value (contents) of the buffer
"""
if self.closed:
raise ValueError("getvalue on closed file")
return bytes(self._buffer) | Return the bytes value (contents) of the buffer
| getvalue | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def __init__(self, raw, buffer_size=DEFAULT_BUFFER_SIZE):
"""Create a new buffered reader using the given readable raw IO object.
"""
if not raw.readable():
raise IOError('"raw" argument must be readable.')
_BufferedIOMixin.__init__(self, raw)
if buffer_size <= 0:
raise ValueError("invalid buffer size")
self.buffer_size = buffer_size
self._reset_read_buf()
self._read_lock = Lock() | Create a new buffered reader using the given readable raw IO object.
| __init__ | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def read(self, n=None):
"""Read n bytes.
Returns exactly n bytes of data unless the underlying raw IO
stream reaches EOF or if the call would block in non-blocking
mode. If n is negative, read until EOF or until read() would
block.
"""
if n is not None and n < -1:
raise ValueError("invalid number of bytes to read")
with self._read_lock:
return self._read_unlocked(n) | Read n bytes.
Returns exactly n bytes of data unless the underlying raw IO
stream reaches EOF or if the call would block in non-blocking
mode. If n is negative, read until EOF or until read() would
block.
| read | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def read1(self, n):
"""Reads up to n bytes, with at most one read() system call."""
# Returns up to n bytes. If at least one byte is buffered, we
# only return buffered bytes. Otherwise, we do one raw read.
if n < 0:
raise ValueError("number of bytes to read must be positive")
if n == 0:
return b""
with self._read_lock:
self._peek_unlocked(1)
return self._read_unlocked(
min(n, len(self._read_buf) - self._read_pos)) | Reads up to n bytes, with at most one read() system call. | read1 | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def __init__(self, reader, writer,
buffer_size=DEFAULT_BUFFER_SIZE, max_buffer_size=None):
"""Constructor.
The arguments are two RawIO instances.
"""
if max_buffer_size is not None:
warnings.warn("max_buffer_size is deprecated", DeprecationWarning, 2)
if not reader.readable():
raise IOError('"reader" argument must be readable.')
if not writer.writable():
raise IOError('"writer" argument must be writable.')
self.reader = BufferedReader(reader, buffer_size)
self.writer = BufferedWriter(writer, buffer_size) | Constructor.
The arguments are two RawIO instances.
| __init__ | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def _read_chunk(self):
"""
Read and decode the next chunk of data from the BufferedReader.
"""
# The return value is True unless EOF was reached. The decoded
# string is placed in self._decoded_chars (replacing its previous
# value). The entire input chunk is sent to the decoder, though
# some of it may remain buffered in the decoder, yet to be
# converted.
if self._decoder is None:
raise ValueError("no decoder")
if self._telling:
# To prepare for tell(), we need to snapshot a point in the
# file where the decoder's input buffer is empty.
dec_buffer, dec_flags = self._decoder.getstate()
# Given this, we know there was a valid snapshot point
# len(dec_buffer) bytes ago with decoder state (b'', dec_flags).
# Read a chunk, decode it, and put the result in self._decoded_chars.
input_chunk = self.buffer.read1(self._CHUNK_SIZE)
eof = not input_chunk
self._set_decoded_chars(self._decoder.decode(input_chunk, eof))
if self._telling:
# At the snapshot point, len(dec_buffer) bytes before the read,
# the next input to be decoded is dec_buffer + input_chunk.
self._snapshot = (dec_flags, dec_buffer + input_chunk)
return not eof |
Read and decode the next chunk of data from the BufferedReader.
| _read_chunk | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_pyio.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_pyio.py | MIT |
def __init__(self):
"""Set all attributes.
Order of methods called matters for dependency reasons.
The locale language is set at the offset and then checked again before
exiting. This is to make sure that the attributes were not set with a
mix of information from more than one locale. This would most likely
happen when using threads where one thread calls a locale-dependent
function while another thread changes the locale while the function in
the other thread is still running. Proper coding would call for
locks to prevent changing the locale while locale-dependent code is
running. The check here is done in case someone does not think about
doing this.
Only other possible issue is if someone changed the timezone and did
not call tz.tzset . That is an issue for the programmer, though,
since changing the timezone is worthless without that call.
"""
self.lang = _getlang()
self.__calc_weekday()
self.__calc_month()
self.__calc_am_pm()
self.__calc_timezone()
self.__calc_date_time()
if _getlang() != self.lang:
raise ValueError("locale changed during initialization")
if time.tzname != self.tzname or time.daylight != self.daylight:
raise ValueError("timezone changed during initialization") | Set all attributes.
Order of methods called matters for dependency reasons.
The locale language is set at the offset and then checked again before
exiting. This is to make sure that the attributes were not set with a
mix of information from more than one locale. This would most likely
happen when using threads where one thread calls a locale-dependent
function while another thread changes the locale while the function in
the other thread is still running. Proper coding would call for
locks to prevent changing the locale while locale-dependent code is
running. The check here is done in case someone does not think about
doing this.
Only other possible issue is if someone changed the timezone and did
not call tz.tzset . That is an issue for the programmer, though,
since changing the timezone is worthless without that call.
| __init__ | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def __init__(self, locale_time=None):
"""Create keys/values.
Order of execution is important for dependency reasons.
"""
if locale_time:
self.locale_time = locale_time
else:
self.locale_time = LocaleTime()
base = super(TimeRE, self)
base.__init__({
# The " \d" part of the regex is to make %c from ANSI C work
'd': r"(?P<d>3[0-1]|[1-2]\d|0[1-9]|[1-9]| [1-9])",
'f': r"(?P<f>[0-9]{1,6})",
'H': r"(?P<H>2[0-3]|[0-1]\d|\d)",
'I': r"(?P<I>1[0-2]|0[1-9]|[1-9])",
'j': r"(?P<j>36[0-6]|3[0-5]\d|[1-2]\d\d|0[1-9]\d|00[1-9]|[1-9]\d|0[1-9]|[1-9])",
'm': r"(?P<m>1[0-2]|0[1-9]|[1-9])",
'M': r"(?P<M>[0-5]\d|\d)",
'S': r"(?P<S>6[0-1]|[0-5]\d|\d)",
'U': r"(?P<U>5[0-3]|[0-4]\d|\d)",
'w': r"(?P<w>[0-6])",
# W is set below by using 'U'
'y': r"(?P<y>\d\d)",
#XXX: Does 'Y' need to worry about having less or more than
# 4 digits?
'Y': r"(?P<Y>\d\d\d\d)",
'A': self.__seqToRE(self.locale_time.f_weekday, 'A'),
'a': self.__seqToRE(self.locale_time.a_weekday, 'a'),
'B': self.__seqToRE(self.locale_time.f_month[1:], 'B'),
'b': self.__seqToRE(self.locale_time.a_month[1:], 'b'),
'p': self.__seqToRE(self.locale_time.am_pm, 'p'),
'Z': self.__seqToRE((tz for tz_names in self.locale_time.timezone
for tz in tz_names),
'Z'),
'%': '%'})
base.__setitem__('W', base.__getitem__('U').replace('U', 'W'))
base.__setitem__('c', self.pattern(self.locale_time.LC_date_time))
base.__setitem__('x', self.pattern(self.locale_time.LC_date))
base.__setitem__('X', self.pattern(self.locale_time.LC_time)) | Create keys/values.
Order of execution is important for dependency reasons.
| __init__ | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def __seqToRE(self, to_convert, directive):
"""Convert a list to a regex string for matching a directive.
Want possible matching values to be from longest to shortest. This
prevents the possibility of a match occurring for a value that also
a substring of a larger value that should have matched (e.g., 'abc'
matching when 'abcdef' should have been the match).
"""
to_convert = sorted(to_convert, key=len, reverse=True)
for value in to_convert:
if value != '':
break
else:
return ''
regex = '|'.join(re_escape(stuff) for stuff in to_convert)
regex = '(?P<%s>%s' % (directive, regex)
return '%s)' % regex | Convert a list to a regex string for matching a directive.
Want possible matching values to be from longest to shortest. This
prevents the possibility of a match occurring for a value that also
a substring of a larger value that should have matched (e.g., 'abc'
matching when 'abcdef' should have been the match).
| __seqToRE | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def pattern(self, format):
"""Return regex pattern for the format string.
Need to make sure that any characters that might be interpreted as
regex syntax are escaped.
"""
processed_format = ''
# The sub() call escapes all characters that might be misconstrued
# as regex syntax. Cannot use re.escape since we have to deal with
# format directives (%m, etc.).
regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
format = regex_chars.sub(r"\\\1", format)
whitespace_replacement = re_compile('\s+')
format = whitespace_replacement.sub('\s+', format)
while '%' in format:
directive_index = format.index('%')+1
processed_format = "%s%s%s" % (processed_format,
format[:directive_index-1],
self[format[directive_index]])
format = format[directive_index+1:]
return "%s%s" % (processed_format, format) | Return regex pattern for the format string.
Need to make sure that any characters that might be interpreted as
regex syntax are escaped.
| pattern | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def _calc_julian_from_U_or_W(year, week_of_year, day_of_week, week_starts_Mon):
"""Calculate the Julian day based on the year, week of the year, and day of
the week, with week_start_day representing whether the week of the year
assumes the week starts on Sunday or Monday (6 or 0)."""
first_weekday = datetime_date(year, 1, 1).weekday()
# If we are dealing with the %U directive (week starts on Sunday), it's
# easier to just shift the view to Sunday being the first day of the
# week.
if not week_starts_Mon:
first_weekday = (first_weekday + 1) % 7
day_of_week = (day_of_week + 1) % 7
# Need to watch out for a week 0 (when the first day of the year is not
# the same as that specified by %U or %W).
week_0_length = (7 - first_weekday) % 7
if week_of_year == 0:
return 1 + day_of_week - first_weekday
else:
days_to_week = week_0_length + (7 * (week_of_year - 1))
return 1 + days_to_week + day_of_week | Calculate the Julian day based on the year, week of the year, and day of
the week, with week_start_day representing whether the week of the year
assumes the week starts on Sunday or Monday (6 or 0). | _calc_julian_from_U_or_W | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
"""Return a time struct based on the input string and the format string."""
global _TimeRE_cache, _regex_cache
with _cache_lock:
locale_time = _TimeRE_cache.locale_time
if (_getlang() != locale_time.lang or
time.tzname != locale_time.tzname or
time.daylight != locale_time.daylight):
_TimeRE_cache = TimeRE()
_regex_cache.clear()
locale_time = _TimeRE_cache.locale_time
if len(_regex_cache) > _CACHE_MAX_SIZE:
_regex_cache.clear()
format_regex = _regex_cache.get(format)
if not format_regex:
try:
format_regex = _TimeRE_cache.compile(format)
# KeyError raised when a bad format is found; can be specified as
# \\, in which case it was a stray % but with a space after it
except KeyError, err:
bad_directive = err.args[0]
if bad_directive == "\\":
bad_directive = "%"
del err
raise ValueError("'%s' is a bad directive in format '%s'" %
(bad_directive, format))
# IndexError only occurs when the format string is "%"
except IndexError:
raise ValueError("stray %% in format '%s'" % format)
_regex_cache[format] = format_regex
found = format_regex.match(data_string)
if not found:
raise ValueError("time data %r does not match format %r" %
(data_string, format))
if len(data_string) != found.end():
raise ValueError("unconverted data remains: %s" %
data_string[found.end():])
year = None
month = day = 1
hour = minute = second = fraction = 0
tz = -1
# Default to -1 to signify that values not known; not critical to have,
# though
week_of_year = -1
week_of_year_start = -1
# weekday and julian defaulted to None so as to signal need to calculate
# values
weekday = julian = None
found_dict = found.groupdict()
for group_key in found_dict.iterkeys():
# Directives not explicitly handled below:
# c, x, X
# handled by making out of other directives
# U, W
# worthless without day of the week
if group_key == 'y':
year = int(found_dict['y'])
# Open Group specification for strptime() states that a %y
#value in the range of [00, 68] is in the century 2000, while
#[69,99] is in the century 1900
if year <= 68:
year += 2000
else:
year += 1900
elif group_key == 'Y':
year = int(found_dict['Y'])
elif group_key == 'm':
month = int(found_dict['m'])
elif group_key == 'B':
month = locale_time.f_month.index(found_dict['B'].lower())
elif group_key == 'b':
month = locale_time.a_month.index(found_dict['b'].lower())
elif group_key == 'd':
day = int(found_dict['d'])
elif group_key == 'H':
hour = int(found_dict['H'])
elif group_key == 'I':
hour = int(found_dict['I'])
ampm = found_dict.get('p', '').lower()
# If there was no AM/PM indicator, we'll treat this like AM
if ampm in ('', locale_time.am_pm[0]):
# We're in AM so the hour is correct unless we're
# looking at 12 midnight.
# 12 midnight == 12 AM == hour 0
if hour == 12:
hour = 0
elif ampm == locale_time.am_pm[1]:
# We're in PM so we need to add 12 to the hour unless
# we're looking at 12 noon.
# 12 noon == 12 PM == hour 12
if hour != 12:
hour += 12
elif group_key == 'M':
minute = int(found_dict['M'])
elif group_key == 'S':
second = int(found_dict['S'])
elif group_key == 'f':
s = found_dict['f']
# Pad to always return microseconds.
s += "0" * (6 - len(s))
fraction = int(s)
elif group_key == 'A':
weekday = locale_time.f_weekday.index(found_dict['A'].lower())
elif group_key == 'a':
weekday = locale_time.a_weekday.index(found_dict['a'].lower())
elif group_key == 'w':
weekday = int(found_dict['w'])
if weekday == 0:
weekday = 6
else:
weekday -= 1
elif group_key == 'j':
julian = int(found_dict['j'])
elif group_key in ('U', 'W'):
week_of_year = int(found_dict[group_key])
if group_key == 'U':
# U starts week on Sunday.
week_of_year_start = 6
else:
# W starts week on Monday.
week_of_year_start = 0
elif group_key == 'Z':
# Since -1 is default value only need to worry about setting tz if
# it can be something other than -1.
found_zone = found_dict['Z'].lower()
for value, tz_values in enumerate(locale_time.timezone):
if found_zone in tz_values:
# Deal with bad locale setup where timezone names are the
# same and yet time.daylight is true; too ambiguous to
# be able to tell what timezone has daylight savings
if (time.tzname[0] == time.tzname[1] and
time.daylight and found_zone not in ("utc", "gmt")):
break
else:
tz = value
break
leap_year_fix = False
if year is None and month == 2 and day == 29:
year = 1904 # 1904 is first leap year of 20th century
leap_year_fix = True
elif year is None:
year = 1900
# If we know the week of the year and what day of that week, we can figure
# out the Julian day of the year.
if julian is None and week_of_year != -1 and weekday is not None:
week_starts_Mon = True if week_of_year_start == 0 else False
julian = _calc_julian_from_U_or_W(year, week_of_year, weekday,
week_starts_Mon)
if julian <= 0:
year -= 1
yday = 366 if calendar.isleap(year) else 365
julian += yday
# Cannot pre-calculate datetime_date() since can change in Julian
# calculation and thus could have different value for the day of the week
# calculation.
if julian is None:
# Need to add 1 to result since first day of the year is 1, not 0.
julian = datetime_date(year, month, day).toordinal() - \
datetime_date(year, 1, 1).toordinal() + 1
else: # Assume that if they bothered to include Julian day it will
# be accurate.
datetime_result = datetime_date.fromordinal((julian - 1) + datetime_date(year, 1, 1).toordinal())
year = datetime_result.year
month = datetime_result.month
day = datetime_result.day
if weekday is None:
weekday = datetime_date(year, month, day).weekday()
if leap_year_fix:
# the caller didn't supply a year but asked for Feb 29th. We couldn't
# use the default of 1900 for computations. We set it back to ensure
# that February 29th is smaller than March 1st.
year = 1900
return (time.struct_time((year, month, day,
hour, minute, second,
weekday, julian, tz)), fraction) | Return a time struct based on the input string and the format string. | _strptime | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/_strptime.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/_strptime.py | MIT |
def contains_metastrings(s) :
"""Verify that the given string does not contain any
metadata strings that might interfere with dbtables database operation.
"""
if (s.find(_table_names_key) >= 0 or
s.find(_columns) >= 0 or
s.find(_data) >= 0 or
s.find(_rowid) >= 0):
# Then
return 1
else:
return 0 | Verify that the given string does not contain any
metadata strings that might interfere with dbtables database operation.
| contains_metastrings | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def _db_print(self) :
"""Print the database to stdout for debugging"""
print "******** Printing raw database for debugging ********"
cur = self.db.cursor()
try:
key, data = cur.first()
while 1:
print repr({key: data})
next = cur.next()
if next:
key, data = next
else:
cur.close()
return
except db.DBNotFoundError:
cur.close() | Print the database to stdout for debugging | _db_print | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def CreateTable(self, table, columns):
"""CreateTable(table, columns) - Create a new table in the database.
raises TableDBError if it already exists or for other DB errors.
"""
assert isinstance(columns, list)
txn = None
try:
# checking sanity of the table and column names here on
# table creation will prevent problems elsewhere.
if contains_metastrings(table):
raise ValueError(
"bad table name: contains reserved metastrings")
for column in columns :
if contains_metastrings(column):
raise ValueError(
"bad column name: contains reserved metastrings")
columnlist_key = _columns_key(table)
if getattr(self.db, "has_key")(columnlist_key):
raise TableAlreadyExists, "table already exists"
txn = self.env.txn_begin()
# store the table's column info
getattr(self.db, "put_bytes", self.db.put)(columnlist_key,
pickle.dumps(columns, 1), txn=txn)
# add the table name to the tablelist
tablelist = pickle.loads(getattr(self.db, "get_bytes",
self.db.get) (_table_names_key, txn=txn, flags=db.DB_RMW))
tablelist.append(table)
# delete 1st, in case we opened with DB_DUP
self.db.delete(_table_names_key, txn=txn)
getattr(self.db, "put_bytes", self.db.put)(_table_names_key,
pickle.dumps(tablelist, 1), txn=txn)
txn.commit()
txn = None
except db.DBError, dberror:
if txn:
txn.abort()
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1]
else :
raise TableDBError, dberror.args[1] | CreateTable(table, columns) - Create a new table in the database.
raises TableDBError if it already exists or for other DB errors.
| CreateTable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def ListTableColumns(self, table):
"""Return a list of columns in the given table.
[] if the table doesn't exist.
"""
assert isinstance(table, str)
if contains_metastrings(table):
raise ValueError, "bad table name: contains reserved metastrings"
columnlist_key = _columns_key(table)
if not getattr(self.db, "has_key")(columnlist_key):
return []
pickledcolumnlist = getattr(self.db, "get_bytes",
self.db.get)(columnlist_key)
if pickledcolumnlist:
return pickle.loads(pickledcolumnlist)
else:
return [] | Return a list of columns in the given table.
[] if the table doesn't exist.
| ListTableColumns | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def ListTables(self):
"""Return a list of tables in this database."""
pickledtablelist = self.db.get_get(_table_names_key)
if pickledtablelist:
return pickle.loads(pickledtablelist)
else:
return [] | Return a list of tables in this database. | ListTables | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def CreateOrExtendTable(self, table, columns):
"""CreateOrExtendTable(table, columns)
Create a new table in the database.
If a table of this name already exists, extend it to have any
additional columns present in the given list as well as
all of its current columns.
"""
assert isinstance(columns, list)
try:
self.CreateTable(table, columns)
except TableAlreadyExists:
# the table already existed, add any new columns
txn = None
try:
columnlist_key = _columns_key(table)
txn = self.env.txn_begin()
# load the current column list
oldcolumnlist = pickle.loads(
getattr(self.db, "get_bytes",
self.db.get)(columnlist_key, txn=txn, flags=db.DB_RMW))
# create a hash table for fast lookups of column names in the
# loop below
oldcolumnhash = {}
for c in oldcolumnlist:
oldcolumnhash[c] = c
# create a new column list containing both the old and new
# column names
newcolumnlist = copy.copy(oldcolumnlist)
for c in columns:
if not c in oldcolumnhash:
newcolumnlist.append(c)
# store the table's new extended column list
if newcolumnlist != oldcolumnlist :
# delete the old one first since we opened with DB_DUP
self.db.delete(columnlist_key, txn=txn)
getattr(self.db, "put_bytes", self.db.put)(columnlist_key,
pickle.dumps(newcolumnlist, 1),
txn=txn)
txn.commit()
txn = None
self.__load_column_info(table)
except db.DBError, dberror:
if txn:
txn.abort()
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1]
else :
raise TableDBError, dberror.args[1] | CreateOrExtendTable(table, columns)
Create a new table in the database.
If a table of this name already exists, extend it to have any
additional columns present in the given list as well as
all of its current columns.
| CreateOrExtendTable | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def Insert(self, table, rowdict) :
"""Insert(table, datadict) - Insert a new row into the table
using the keys+values from rowdict as the column values.
"""
txn = None
try:
if not getattr(self.db, "has_key")(_columns_key(table)):
raise TableDBError, "unknown table"
# check the validity of each column name
if not table in self.__tablecolumns:
self.__load_column_info(table)
for column in rowdict.keys() :
if not self.__tablecolumns[table].count(column):
raise TableDBError, "unknown column: %r" % (column,)
# get a unique row identifier for this row
txn = self.env.txn_begin()
rowid = self.__new_rowid(table, txn=txn)
# insert the row values into the table database
for column, dataitem in rowdict.items():
# store the value
self.db.put(_data_key(table, column, rowid), dataitem, txn=txn)
txn.commit()
txn = None
except db.DBError, dberror:
# WIBNI we could just abort the txn and re-raise the exception?
# But no, because TableDBError is not related to DBError via
# inheritance, so it would be backwards incompatible. Do the next
# best thing.
info = sys.exc_info()
if txn:
txn.abort()
self.db.delete(_rowid_key(table, rowid))
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1], info[2]
else :
raise TableDBError, dberror.args[1], info[2] | Insert(table, datadict) - Insert a new row into the table
using the keys+values from rowdict as the column values.
| Insert | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def Modify(self, table, conditions={}, mappings={}):
"""Modify(table, conditions={}, mappings={}) - Modify items in rows matching 'conditions' using mapping functions in 'mappings'
* table - the table name
* conditions - a dictionary keyed on column names containing
a condition callable expecting the data string as an
argument and returning a boolean.
* mappings - a dictionary keyed on column names containing a
condition callable expecting the data string as an argument and
returning the new string for that column.
"""
try:
matching_rowids = self.__Select(table, [], conditions)
# modify only requested columns
columns = mappings.keys()
for rowid in matching_rowids.keys():
txn = None
try:
for column in columns:
txn = self.env.txn_begin()
# modify the requested column
try:
dataitem = self.db.get(
_data_key(table, column, rowid),
txn=txn)
self.db.delete(
_data_key(table, column, rowid),
txn=txn)
except db.DBNotFoundError:
# XXXXXXX row key somehow didn't exist, assume no
# error
dataitem = None
dataitem = mappings[column](dataitem)
if dataitem is not None:
self.db.put(
_data_key(table, column, rowid),
dataitem, txn=txn)
txn.commit()
txn = None
# catch all exceptions here since we call unknown callables
except:
if txn:
txn.abort()
raise
except db.DBError, dberror:
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1]
else :
raise TableDBError, dberror.args[1] | Modify(table, conditions={}, mappings={}) - Modify items in rows matching 'conditions' using mapping functions in 'mappings'
* table - the table name
* conditions - a dictionary keyed on column names containing
a condition callable expecting the data string as an
argument and returning a boolean.
* mappings - a dictionary keyed on column names containing a
condition callable expecting the data string as an argument and
returning the new string for that column.
| Modify | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def Delete(self, table, conditions={}):
"""Delete(table, conditions) - Delete items matching the given
conditions from the table.
* conditions - a dictionary keyed on column names containing
condition functions expecting the data string as an
argument and returning a boolean.
"""
try:
matching_rowids = self.__Select(table, [], conditions)
# delete row data from all columns
columns = self.__tablecolumns[table]
for rowid in matching_rowids.keys():
txn = None
try:
txn = self.env.txn_begin()
for column in columns:
# delete the data key
try:
self.db.delete(_data_key(table, column, rowid),
txn=txn)
except db.DBNotFoundError:
# XXXXXXX column may not exist, assume no error
pass
try:
self.db.delete(_rowid_key(table, rowid), txn=txn)
except db.DBNotFoundError:
# XXXXXXX row key somehow didn't exist, assume no error
pass
txn.commit()
txn = None
except db.DBError, dberror:
if txn:
txn.abort()
raise
except db.DBError, dberror:
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1]
else :
raise TableDBError, dberror.args[1] | Delete(table, conditions) - Delete items matching the given
conditions from the table.
* conditions - a dictionary keyed on column names containing
condition functions expecting the data string as an
argument and returning a boolean.
| Delete | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def Select(self, table, columns, conditions={}):
"""Select(table, columns, conditions) - retrieve specific row data
Returns a list of row column->value mapping dictionaries.
* columns - a list of which column data to return. If
columns is None, all columns will be returned.
* conditions - a dictionary keyed on column names
containing callable conditions expecting the data string as an
argument and returning a boolean.
"""
try:
if not table in self.__tablecolumns:
self.__load_column_info(table)
if columns is None:
columns = self.__tablecolumns[table]
matching_rowids = self.__Select(table, columns, conditions)
except db.DBError, dberror:
if sys.version_info < (2, 6) :
raise TableDBError, dberror[1]
else :
raise TableDBError, dberror.args[1]
# return the matches as a list of dictionaries
return matching_rowids.values() | Select(table, columns, conditions) - retrieve specific row data
Returns a list of row column->value mapping dictionaries.
* columns - a list of which column data to return. If
columns is None, all columns will be returned.
* conditions - a dictionary keyed on column names
containing callable conditions expecting the data string as an
argument and returning a boolean.
| Select | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def __Select(self, table, columns, conditions):
"""__Select() - Used to implement Select and Delete (above)
Returns a dictionary keyed on rowids containing dicts
holding the row data for columns listed in the columns param
that match the given conditions.
* conditions is a dictionary keyed on column names
containing callable conditions expecting the data string as an
argument and returning a boolean.
"""
# check the validity of each column name
if not table in self.__tablecolumns:
self.__load_column_info(table)
if columns is None:
columns = self.tablecolumns[table]
for column in (columns + conditions.keys()):
if not self.__tablecolumns[table].count(column):
raise TableDBError, "unknown column: %r" % (column,)
# keyed on rows that match so far, containings dicts keyed on
# column names containing the data for that row and column.
matching_rowids = {}
# keys are rowids that do not match
rejected_rowids = {}
# attempt to sort the conditions in such a way as to minimize full
# column lookups
def cmp_conditions(atuple, btuple):
a = atuple[1]
b = btuple[1]
if type(a) is type(b):
# Needed for python 3. "cmp" vanished in 3.0.1
def cmp(a, b) :
if a==b : return 0
if a<b : return -1
return 1
if isinstance(a, PrefixCond) and isinstance(b, PrefixCond):
# longest prefix first
return cmp(len(b.prefix), len(a.prefix))
if isinstance(a, LikeCond) and isinstance(b, LikeCond):
# longest likestr first
return cmp(len(b.likestr), len(a.likestr))
return 0
if isinstance(a, ExactCond):
return -1
if isinstance(b, ExactCond):
return 1
if isinstance(a, PrefixCond):
return -1
if isinstance(b, PrefixCond):
return 1
# leave all unknown condition callables alone as equals
return 0
if sys.version_info < (2, 6) :
conditionlist = conditions.items()
conditionlist.sort(cmp_conditions)
else : # Insertion Sort. Please, improve
conditionlist = []
for i in conditions.items() :
for j, k in enumerate(conditionlist) :
r = cmp_conditions(k, i)
if r == 1 :
conditionlist.insert(j, i)
break
else :
conditionlist.append(i)
# Apply conditions to column data to find what we want
cur = self.db.cursor()
column_num = -1
for column, condition in conditionlist:
column_num = column_num + 1
searchkey = _search_col_data_key(table, column)
# speedup: don't linear search columns within loop
if column in columns:
savethiscolumndata = 1 # save the data for return
else:
savethiscolumndata = 0 # data only used for selection
try:
key, data = cur.set_range(searchkey)
while key[:len(searchkey)] == searchkey:
# extract the rowid from the key
rowid = key[-_rowid_str_len:]
if not rowid in rejected_rowids:
# if no condition was specified or the condition
# succeeds, add row to our match list.
if not condition or condition(data):
if not rowid in matching_rowids:
matching_rowids[rowid] = {}
if savethiscolumndata:
matching_rowids[rowid][column] = data
else:
if rowid in matching_rowids:
del matching_rowids[rowid]
rejected_rowids[rowid] = rowid
key, data = cur.next()
except db.DBError, dberror:
if dberror.args[0] != db.DB_NOTFOUND:
raise
continue
cur.close()
# we're done selecting rows, garbage collect the reject list
del rejected_rowids
# extract any remaining desired column data from the
# database for the matching rows.
if len(columns) > 0:
for rowid, rowdata in matching_rowids.items():
for column in columns:
if column in rowdata:
continue
try:
rowdata[column] = self.db.get(
_data_key(table, column, rowid))
except db.DBError, dberror:
if sys.version_info < (2, 6) :
if dberror[0] != db.DB_NOTFOUND:
raise
else :
if dberror.args[0] != db.DB_NOTFOUND:
raise
rowdata[column] = None
# return the matches
return matching_rowids | __Select() - Used to implement Select and Delete (above)
Returns a dictionary keyed on rowids containing dicts
holding the row data for columns listed in the columns param
that match the given conditions.
* conditions is a dictionary keyed on column names
containing callable conditions expecting the data string as an
argument and returning a boolean.
| __Select | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def Drop(self, table):
"""Remove an entire table from the database"""
txn = None
try:
txn = self.env.txn_begin()
# delete the column list
self.db.delete(_columns_key(table), txn=txn)
cur = self.db.cursor(txn)
# delete all keys containing this tables column and row info
table_key = _search_all_data_key(table)
while 1:
try:
key, data = cur.set_range(table_key)
except db.DBNotFoundError:
break
# only delete items in this table
if key[:len(table_key)] != table_key:
break
cur.delete()
# delete all rowids used by this table
table_key = _search_rowid_key(table)
while 1:
try:
key, data = cur.set_range(table_key)
except db.DBNotFoundError:
break
# only delete items in this table
if key[:len(table_key)] != table_key:
break
cur.delete()
cur.close()
# delete the tablename from the table name list
tablelist = pickle.loads(
getattr(self.db, "get_bytes", self.db.get)(_table_names_key,
txn=txn, flags=db.DB_RMW))
try:
tablelist.remove(table)
except ValueError:
# hmm, it wasn't there, oh well, that's what we want.
pass
# delete 1st, incase we opened with DB_DUP
self.db.delete(_table_names_key, txn=txn)
getattr(self.db, "put_bytes", self.db.put)(_table_names_key,
pickle.dumps(tablelist, 1), txn=txn)
txn.commit()
txn = None
if table in self.__tablecolumns:
del self.__tablecolumns[table]
except db.DBError, dberror:
if txn:
txn.abort()
raise TableDBError(dberror.args[1]) | Remove an entire table from the database | Drop | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbtables.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbtables.py | MIT |
def DeadlockWrap(function, *_args, **_kwargs):
"""DeadlockWrap(function, *_args, **_kwargs) - automatically retries
function in case of a database deadlock.
This is a function intended to be used to wrap database calls such
that they perform retrys with exponentially backing off sleeps in
between when a DBLockDeadlockError exception is raised.
A 'max_retries' parameter may optionally be passed to prevent it
from retrying forever (in which case the exception will be reraised).
d = DB(...)
d.open(...)
DeadlockWrap(d.put, "foo", data="bar") # set key "foo" to "bar"
"""
sleeptime = _deadlock_MinSleepTime
max_retries = _kwargs.get('max_retries', -1)
if 'max_retries' in _kwargs:
del _kwargs['max_retries']
while True:
try:
return function(*_args, **_kwargs)
except db.DBLockDeadlockError:
if _deadlock_VerboseFile:
_deadlock_VerboseFile.write(
'dbutils.DeadlockWrap: sleeping %1.3f\n' % sleeptime)
_sleep(sleeptime)
# exponential backoff in the sleep time
sleeptime *= 2
if sleeptime > _deadlock_MaxSleepTime:
sleeptime = _deadlock_MaxSleepTime
max_retries -= 1
if max_retries == -1:
raise | DeadlockWrap(function, *_args, **_kwargs) - automatically retries
function in case of a database deadlock.
This is a function intended to be used to wrap database calls such
that they perform retrys with exponentially backing off sleeps in
between when a DBLockDeadlockError exception is raised.
A 'max_retries' parameter may optionally be passed to prevent it
from retrying forever (in which case the exception will be reraised).
d = DB(...)
d.open(...)
DeadlockWrap(d.put, "foo", data="bar") # set key "foo" to "bar"
| DeadlockWrap | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/bsddb/dbutils.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/bsddb/dbutils.py | MIT |
def is_future(stmt):
"""Return true if statement is a well-formed future statement"""
if not isinstance(stmt, ast.From):
return 0
if stmt.modname == "__future__":
return 1
else:
return 0 | Return true if statement is a well-formed future statement | is_future | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/future.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/future.py | MIT |
def set_filename(filename, tree):
"""Set the filename attribute to filename on every node in tree"""
worklist = [tree]
while worklist:
node = worklist.pop(0)
node.filename = filename
worklist.extend(node.getChildNodes()) | Set the filename attribute to filename on every node in tree | set_filename | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/misc.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/misc.py | MIT |
def has_unconditional_transfer(self):
"""Returns True if there is an unconditional transfer to an other block
at the end of this block. This means there is no risk for the bytecode
executer to go past this block's bytecode."""
try:
op, arg = self.insts[-1]
except (IndexError, ValueError):
return
return op in self._uncond_transfer | Returns True if there is an unconditional transfer to an other block
at the end of this block. This means there is no risk for the bytecode
executer to go past this block's bytecode. | has_unconditional_transfer | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def get_followers(self):
"""Get the whole list of followers, including the next block."""
followers = set(self.next)
# Blocks that must be emitted *after* this one, because of
# bytecode offsets (e.g. relative jumps) pointing to them.
for inst in self.insts:
if inst[0] in PyFlowGraph.hasjrel:
followers.add(inst[1])
return followers | Get the whole list of followers, including the next block. | get_followers | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def getContainedGraphs(self):
"""Return all graphs contained within this block.
For example, a MAKE_FUNCTION block will contain a reference to
the graph for the function body.
"""
contained = []
for inst in self.insts:
if len(inst) == 1:
continue
op = inst[1]
if hasattr(op, 'graph'):
contained.append(op.graph)
return contained | Return all graphs contained within this block.
For example, a MAKE_FUNCTION block will contain a reference to
the graph for the function body.
| getContainedGraphs | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def computeStackDepth(self):
"""Compute the max stack depth.
Approach is to compute the stack effect of each basic block.
Then find the path through the code with the largest total
effect.
"""
depth = {}
exit = None
for b in self.getBlocks():
depth[b] = findDepth(b.getInstructions())
seen = {}
def max_depth(b, d):
if b in seen:
return d
seen[b] = 1
d = d + depth[b]
children = b.get_children()
if children:
return max([max_depth(c, d) for c in children])
else:
if not b.label == "exit":
return max_depth(self.exit, d)
else:
return d
self.stacksize = max_depth(self.entry, 0) | Compute the max stack depth.
Approach is to compute the stack effect of each basic block.
Then find the path through the code with the largest total
effect.
| computeStackDepth | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def flattenGraph(self):
"""Arrange the blocks in order and resolve jumps"""
assert self.stage == RAW
self.insts = insts = []
pc = 0
begin = {}
end = {}
for b in self.getBlocksInOrder():
begin[b] = pc
for inst in b.getInstructions():
insts.append(inst)
if len(inst) == 1:
pc = pc + 1
elif inst[0] != "SET_LINENO":
# arg takes 2 bytes
pc = pc + 3
end[b] = pc
pc = 0
for i in range(len(insts)):
inst = insts[i]
if len(inst) == 1:
pc = pc + 1
elif inst[0] != "SET_LINENO":
pc = pc + 3
opname = inst[0]
if opname in self.hasjrel:
oparg = inst[1]
offset = begin[oparg] - pc
insts[i] = opname, offset
elif opname in self.hasjabs:
insts[i] = opname, begin[inst[1]]
self.stage = FLAT | Arrange the blocks in order and resolve jumps | flattenGraph | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def convertArgs(self):
"""Convert arguments from symbolic to concrete form"""
assert self.stage == FLAT
self.consts.insert(0, self.docstring)
self.sort_cellvars()
for i in range(len(self.insts)):
t = self.insts[i]
if len(t) == 2:
opname, oparg = t
conv = self._converters.get(opname, None)
if conv:
self.insts[i] = opname, conv(self, oparg)
self.stage = CONV | Convert arguments from symbolic to concrete form | convertArgs | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def sort_cellvars(self):
"""Sort cellvars in the order of varnames and prune from freevars.
"""
cells = {}
for name in self.cellvars:
cells[name] = 1
self.cellvars = [name for name in self.varnames
if name in cells]
for name in self.cellvars:
del cells[name]
self.cellvars = self.cellvars + cells.keys()
self.closure = self.cellvars + self.freevars | Sort cellvars in the order of varnames and prune from freevars.
| sort_cellvars | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def _lookupName(self, name, list):
"""Return index of name in list, appending if necessary
This routine uses a list instead of a dictionary, because a
dictionary can't store two different keys if the keys have the
same value but different types, e.g. 2 and 2L. The compiler
must treat these two separately, so it does an explicit type
comparison before comparing the values.
"""
t = type(name)
for i in range(len(list)):
if t == type(list[i]) and list[i] == name:
return i
end = len(list)
list.append(name)
return end | Return index of name in list, appending if necessary
This routine uses a list instead of a dictionary, because a
dictionary can't store two different keys if the keys have the
same value but different types, e.g. 2 and 2L. The compiler
must treat these two separately, so it does an explicit type
comparison before comparing the values.
| _lookupName | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def getConsts(self):
"""Return a tuple for the const slot of the code object
Must convert references to code (MAKE_FUNCTION) to code
objects recursively.
"""
l = []
for elt in self.consts:
if isinstance(elt, PyFlowGraph):
elt = elt.getCode()
l.append(elt)
return tuple(l) | Return a tuple for the const slot of the code object
Must convert references to code (MAKE_FUNCTION) to code
objects recursively.
| getConsts | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def twobyte(val):
"""Convert an int argument into high and low bytes"""
assert isinstance(val, int)
return divmod(val, 256) | Convert an int argument into high and low bytes | twobyte | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pyassem.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pyassem.py | MIT |
def checkClass(self):
"""Verify that class is constructed correctly"""
try:
assert hasattr(self, 'graph')
assert getattr(self, 'NameFinder')
assert getattr(self, 'FunctionGen')
assert getattr(self, 'ClassGen')
except AssertionError, msg:
intro = "Bad class construction for %s" % self.__class__.__name__
raise AssertionError, intro | Verify that class is constructed correctly | checkClass | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pycodegen.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pycodegen.py | MIT |
def generateArgList(arglist):
"""Generate an arg list marking TupleArgs"""
args = []
extra = []
count = 0
for i in range(len(arglist)):
elt = arglist[i]
if isinstance(elt, str):
args.append(elt)
elif isinstance(elt, tuple):
args.append(TupleArg(i * 2, elt))
extra.extend(misc.flatten(elt))
count = count + 1
else:
raise ValueError, "unexpect argument type:", elt
return args + extra, count | Generate an arg list marking TupleArgs | generateArgList | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pycodegen.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pycodegen.py | MIT |
def findOp(node):
"""Find the op (DELETE, LOAD, STORE) in an AssTuple tree"""
v = OpFinder()
walk(node, v, verbose=0)
return v.op | Find the op (DELETE, LOAD, STORE) in an AssTuple tree | findOp | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/pycodegen.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/pycodegen.py | MIT |
def check_name(self, name):
"""Return scope of name.
The scope of a name could be LOCAL, GLOBAL, FREE, or CELL.
"""
if name in self.globals:
return SC_GLOBAL_EXPLICIT
if name in self.cells:
return SC_CELL
if name in self.defs:
return SC_LOCAL
if self.nested and (name in self.frees or name in self.uses):
return SC_FREE
if self.nested:
return SC_UNKNOWN
else:
return SC_GLOBAL_IMPLICIT | Return scope of name.
The scope of a name could be LOCAL, GLOBAL, FREE, or CELL.
| check_name | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/symbols.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/symbols.py | MIT |
def force_global(self, name):
"""Force name to be global in scope.
Some child of the current node had a free reference to name.
When the child was processed, it was labelled a free
variable. Now that all its enclosing scope have been
processed, the name is known to be a global or builtin. So
walk back down the child chain and set the name to be global
rather than free.
Be careful to stop if a child does not think the name is
free.
"""
self.globals[name] = 1
if name in self.frees:
del self.frees[name]
for child in self.children:
if child.check_name(name) == SC_FREE:
child.force_global(name) | Force name to be global in scope.
Some child of the current node had a free reference to name.
When the child was processed, it was labelled a free
variable. Now that all its enclosing scope have been
processed, the name is known to be a global or builtin. So
walk back down the child chain and set the name to be global
rather than free.
Be careful to stop if a child does not think the name is
free.
| force_global | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/symbols.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/symbols.py | MIT |
def add_frees(self, names):
"""Process list of free vars from nested scope.
Returns a list of names that are either 1) declared global in the
parent or 2) undefined in a top-level parent. In either case,
the nested scope should treat them as globals.
"""
child_globals = []
for name in names:
sc = self.check_name(name)
if self.nested:
if sc == SC_UNKNOWN or sc == SC_FREE \
or isinstance(self, ClassScope):
self.frees[name] = 1
elif sc == SC_GLOBAL_IMPLICIT:
child_globals.append(name)
elif isinstance(self, FunctionScope) and sc == SC_LOCAL:
self.cells[name] = 1
elif sc != SC_CELL:
child_globals.append(name)
else:
if sc == SC_LOCAL:
self.cells[name] = 1
elif sc != SC_CELL:
child_globals.append(name)
return child_globals | Process list of free vars from nested scope.
Returns a list of names that are either 1) declared global in the
parent or 2) undefined in a top-level parent. In either case,
the nested scope should treat them as globals.
| add_frees | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/symbols.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/symbols.py | MIT |
def visitAssign(self, node, scope):
"""Propagate assignment flag down to child nodes.
The Assign node doesn't itself contains the variables being
assigned to. Instead, the children in node.nodes are visited
with the assign flag set to true. When the names occur in
those nodes, they are marked as defs.
Some names that occur in an assignment target are not bound by
the assignment, e.g. a name occurring inside a slice. The
visitor handles these nodes specially; they do not propagate
the assign flag to their children.
"""
for n in node.nodes:
self.visit(n, scope, 1)
self.visit(node.expr, scope) | Propagate assignment flag down to child nodes.
The Assign node doesn't itself contains the variables being
assigned to. Instead, the children in node.nodes are visited
with the assign flag set to true. When the names occur in
those nodes, they are marked as defs.
Some names that occur in an assignment target are not bound by
the assignment, e.g. a name occurring inside a slice. The
visitor handles these nodes specially; they do not propagate
the assign flag to their children.
| visitAssign | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/symbols.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/symbols.py | MIT |
def __init__(self, multi=None):
"""Create new visitor object.
If optional argument multi is not None, then print messages
for each error rather than raising a SyntaxError for the
first.
"""
self.multi = multi
self.errors = 0 | Create new visitor object.
If optional argument multi is not None, then print messages
for each error rather than raising a SyntaxError for the
first.
| __init__ | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/syntax.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/syntax.py | MIT |
def transform(self, tree):
"""Transform an AST into a modified parse tree."""
if not (isinstance(tree, tuple) or isinstance(tree, list)):
tree = parser.st2tuple(tree, line_info=1)
return self.compile_node(tree) | Transform an AST into a modified parse tree. | transform | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/transformer.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/transformer.py | MIT |
def parsefile(self, file):
"""Return a modified parse tree for the contents of the given file."""
if type(file) == type(''):
file = open(file)
return self.parsesuite(file.read()) | Return a modified parse tree for the contents of the given file. | parsefile | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/transformer.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/transformer.py | MIT |
def com_augassign(self, node):
"""Return node suitable for lvalue of augmented assignment
Names, slices, and attributes are the only allowable nodes.
"""
l = self.com_node(node)
if l.__class__ in (Name, Slice, Subscript, Getattr):
return l
raise SyntaxError, "can't assign to %s" % l.__class__.__name__ | Return node suitable for lvalue of augmented assignment
Names, slices, and attributes are the only allowable nodes.
| com_augassign | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/transformer.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/transformer.py | MIT |
def com_binary(self, constructor, nodelist):
"Compile 'NODE (OP NODE)*' into (type, [ node1, ..., nodeN ])."
l = len(nodelist)
if l == 1:
n = nodelist[0]
return self.lookup_node(n)(n[1:])
items = []
for i in range(0, l, 2):
n = nodelist[i]
items.append(self.lookup_node(n)(n[1:]))
return constructor(items, lineno=extractLineNo(nodelist)) | Compile 'NODE (OP NODE)*' into (type, [ node1, ..., nodeN ]). | com_binary | python | mchristopher/PokemonGo-DesktopMap | app/pywin/Lib/compiler/transformer.py | https://github.com/mchristopher/PokemonGo-DesktopMap/blob/master/app/pywin/Lib/compiler/transformer.py | MIT |
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