_id
stringlengths 2
7
| title
stringlengths 1
88
| partition
stringclasses 3
values | text
stringlengths 75
19.8k
| language
stringclasses 1
value | meta_information
dict |
|---|---|---|---|---|---|
q4400
|
get_permission_request
|
train
|
def get_permission_request(parser, token):
"""
Performs a permission request check with the given signature, user and objects
and assigns the result to a context variable.
Syntax::
{% get_permission_request PERMISSION_LABEL.CHECK_NAME for USER and *OBJS [as VARNAME] %}
{% get_permission_request "poll_permission.change_poll"
for request.user and poll as "asked_for_permissio" %}
{% get_permission_request "poll_permission.change_poll"
for request.user and poll,second_poll as "asked_for_permissio" %}
{% if asked_for_permissio %}
Dude, you already asked for permission!
{% else %}
Oh, please fill out this 20 page form and sign here.
{% endif %}
"""
return PermissionForObjectNode.handle_token(
parser, token, approved=False, name='"permission_request"')
|
python
|
{
"resource": ""
}
|
q4401
|
permission_delete_link
|
train
|
def permission_delete_link(context, perm):
"""
Renders a html link to the delete view of the given permission. Returns
no content if the request-user has no permission to delete foreign
permissions.
"""
user = context['request'].user
if user.is_authenticated():
if (user.has_perm('authority.delete_foreign_permissions') or
user.pk == perm.creator.pk):
return base_link(context, perm, 'authority-delete-permission')
return {'url': None}
|
python
|
{
"resource": ""
}
|
q4402
|
permission_request_delete_link
|
train
|
def permission_request_delete_link(context, perm):
"""
Renders a html link to the delete view of the given permission request.
Returns no content if the request-user has no permission to delete foreign
permissions.
"""
user = context['request'].user
if user.is_authenticated():
link_kwargs = base_link(context, perm,
'authority-delete-permission-request')
if user.has_perm('authority.delete_permission'):
link_kwargs['is_requestor'] = False
return link_kwargs
if not perm.approved and perm.user == user:
link_kwargs['is_requestor'] = True
return link_kwargs
return {'url': None}
|
python
|
{
"resource": ""
}
|
q4403
|
permission_request_approve_link
|
train
|
def permission_request_approve_link(context, perm):
"""
Renders a html link to the approve view of the given permission request.
Returns no content if the request-user has no permission to delete foreign
permissions.
"""
user = context['request'].user
if user.is_authenticated():
if user.has_perm('authority.approve_permission_requests'):
return base_link(context, perm, 'authority-approve-permission-request')
return {'url': None}
|
python
|
{
"resource": ""
}
|
q4404
|
ResolverNode.resolve
|
train
|
def resolve(self, var, context):
"""Resolves a variable out of context if it's not in quotes"""
if var is None:
return var
if var[0] in ('"', "'") and var[-1] == var[0]:
return var[1:-1]
else:
return template.Variable(var).resolve(context)
|
python
|
{
"resource": ""
}
|
q4405
|
PermissionManager.group_permissions
|
train
|
def group_permissions(self, group, perm, obj, approved=True):
"""
Get objects that have Group perm permission on
"""
return self.get_for_model(obj).select_related(
'user', 'group', 'creator').filter(group=group, codename=perm,
approved=approved)
|
python
|
{
"resource": ""
}
|
q4406
|
PermissionManager.delete_user_permissions
|
train
|
def delete_user_permissions(self, user, perm, obj, check_groups=False):
"""
Remove granular permission perm from user on an object instance
"""
user_perms = self.user_permissions(user, perm, obj, check_groups=False)
if not user_perms.filter(object_id=obj.id):
return
perms = self.user_permissions(user, perm, obj).filter(object_id=obj.id)
perms.delete()
|
python
|
{
"resource": ""
}
|
q4407
|
ParsedWhois.flattened
|
train
|
def flattened(self):
"""Returns a flattened version of the parsed whois data"""
parsed = self['parsed_whois']
flat = OrderedDict()
for key in ('domain', 'created_date', 'updated_date', 'expired_date', 'statuses', 'name_servers'):
value = parsed[key]
flat[key] = ' | '.join(value) if type(value) in (list, tuple) else value
registrar = parsed.get('registrar', {})
for key in ('name', 'abuse_contact_phone', 'abuse_contact_email', 'iana_id', 'url', 'whois_server'):
flat['registrar_{0}'.format(key)] = registrar[key]
for contact_type in ('registrant', 'admin', 'tech', 'billing'):
contact = parsed.get('contacts', {}).get(contact_type, {})
for key in ('name', 'email', 'org', 'street', 'city', 'state', 'postal', 'country', 'phone', 'fax'):
value = contact[key]
flat['{0}_{1}'.format(contact_type, key)] = ' '.join(value) if type(value) in (list, tuple) else value
return flat
|
python
|
{
"resource": ""
}
|
q4408
|
permission_denied
|
train
|
def permission_denied(request, template_name=None, extra_context=None):
"""
Default 403 handler.
Templates: `403.html`
Context:
request_path
The path of the requested URL (e.g., '/app/pages/bad_page/')
"""
if template_name is None:
template_name = ('403.html', 'authority/403.html')
context = {
'request_path': request.path,
}
if extra_context:
context.update(extra_context)
return HttpResponseForbidden(loader.render_to_string(
template_name=template_name,
context=context,
request=request,
))
|
python
|
{
"resource": ""
}
|
q4409
|
Permission.approve
|
train
|
def approve(self, creator):
"""
Approve granular permission request setting a Permission entry as
approved=True for a specific action from an user on an object instance.
"""
self.approved = True
self.creator = creator
self.save()
|
python
|
{
"resource": ""
}
|
q4410
|
autodiscover_modules
|
train
|
def autodiscover_modules():
"""
Goes and imports the permissions submodule of every app in INSTALLED_APPS
to make sure the permission set classes are registered correctly.
"""
import imp
from django.conf import settings
for app in settings.INSTALLED_APPS:
try:
__import__(app)
app_path = sys.modules[app].__path__
except AttributeError:
continue
try:
imp.find_module('permissions', app_path)
except ImportError:
continue
__import__("%s.permissions" % app)
app_path = sys.modules["%s.permissions" % app]
LOADING = False
|
python
|
{
"resource": ""
}
|
q4411
|
BasePermission._get_user_cached_perms
|
train
|
def _get_user_cached_perms(self):
"""
Set up both the user and group caches.
"""
if not self.user:
return {}, {}
group_pks = set(self.user.groups.values_list(
'pk',
flat=True,
))
perms = Permission.objects.filter(
Q(user__pk=self.user.pk) | Q(group__pk__in=group_pks),
)
user_permissions = {}
group_permissions = {}
for perm in perms:
if perm.user_id == self.user.pk:
user_permissions[(
perm.object_id,
perm.content_type_id,
perm.codename,
perm.approved,
)] = True
# If the user has the permission do for something, but perm.user !=
# self.user then by definition that permission came from the
# group.
else:
group_permissions[(
perm.object_id,
perm.content_type_id,
perm.codename,
perm.approved,
)] = True
return user_permissions, group_permissions
|
python
|
{
"resource": ""
}
|
q4412
|
BasePermission._get_group_cached_perms
|
train
|
def _get_group_cached_perms(self):
"""
Set group cache.
"""
if not self.group:
return {}
perms = Permission.objects.filter(
group=self.group,
)
group_permissions = {}
for perm in perms:
group_permissions[(
perm.object_id,
perm.content_type_id,
perm.codename,
perm.approved,
)] = True
return group_permissions
|
python
|
{
"resource": ""
}
|
q4413
|
BasePermission._prime_user_perm_caches
|
train
|
def _prime_user_perm_caches(self):
"""
Prime both the user and group caches and put them on the ``self.user``.
In addition add a cache filled flag on ``self.user``.
"""
perm_cache, group_perm_cache = self._get_user_cached_perms()
self.user._authority_perm_cache = perm_cache
self.user._authority_group_perm_cache = group_perm_cache
self.user._authority_perm_cache_filled = True
|
python
|
{
"resource": ""
}
|
q4414
|
BasePermission._prime_group_perm_caches
|
train
|
def _prime_group_perm_caches(self):
"""
Prime the group cache and put them on the ``self.group``.
In addition add a cache filled flag on ``self.group``.
"""
perm_cache = self._get_group_cached_perms()
self.group._authority_perm_cache = perm_cache
self.group._authority_perm_cache_filled = True
|
python
|
{
"resource": ""
}
|
q4415
|
BasePermission.invalidate_permissions_cache
|
train
|
def invalidate_permissions_cache(self):
"""
In the event that the Permission table is changed during the use of a
permission the Permission cache will need to be invalidated and
regenerated. By calling this method the invalidation will occur, and
the next time the cached_permissions is used the cache will be
re-primed.
"""
if self.user:
self.user._authority_perm_cache_filled = False
if self.group:
self.group._authority_perm_cache_filled = False
|
python
|
{
"resource": ""
}
|
q4416
|
BasePermission.has_group_perms
|
train
|
def has_group_perms(self, perm, obj, approved):
"""
Check if group has the permission for the given object
"""
if not self.group:
return False
if self.use_smart_cache:
content_type_pk = Permission.objects.get_content_type(obj).pk
def _group_has_perms(cached_perms):
# Check to see if the permission is in the cache.
return cached_perms.get((
obj.pk,
content_type_pk,
perm,
approved,
))
# Check to see if the permission is in the cache.
return _group_has_perms(self._group_perm_cache)
# Actually hit the DB, no smart cache used.
return Permission.objects.group_permissions(
self.group,
perm, obj,
approved,
).filter(
object_id=obj.pk,
).exists()
|
python
|
{
"resource": ""
}
|
q4417
|
BasePermission.has_perm
|
train
|
def has_perm(self, perm, obj, check_groups=True, approved=True):
"""
Check if user has the permission for the given object
"""
if self.user:
if self.has_user_perms(perm, obj, approved, check_groups):
return True
if self.group:
return self.has_group_perms(perm, obj, approved)
return False
|
python
|
{
"resource": ""
}
|
q4418
|
BasePermission.requested_perm
|
train
|
def requested_perm(self, perm, obj, check_groups=True):
"""
Check if user requested a permission for the given object
"""
return self.has_perm(perm, obj, check_groups, False)
|
python
|
{
"resource": ""
}
|
q4419
|
BasePermission.assign
|
train
|
def assign(self, check=None, content_object=None, generic=False):
"""
Assign a permission to a user.
To assign permission for all checks: let check=None.
To assign permission for all objects: let content_object=None.
If generic is True then "check" will be suffixed with _modelname.
"""
result = []
if not content_object:
content_objects = (self.model,)
elif not isinstance(content_object, (list, tuple)):
content_objects = (content_object,)
else:
content_objects = content_object
if not check:
checks = self.generic_checks + getattr(self, 'checks', [])
elif not isinstance(check, (list, tuple)):
checks = (check,)
else:
checks = check
for content_object in content_objects:
# raise an exception before adding any permission
# i think Django does not rollback by default
if not isinstance(content_object, (Model, ModelBase)):
raise NotAModel(content_object)
elif isinstance(content_object, Model) and not content_object.pk:
raise UnsavedModelInstance(content_object)
content_type = ContentType.objects.get_for_model(content_object)
for check in checks:
if isinstance(content_object, Model):
# make an authority per object permission
codename = self.get_codename(
check,
content_object,
generic,
)
try:
perm = Permission.objects.get(
user=self.user,
codename=codename,
approved=True,
content_type=content_type,
object_id=content_object.pk,
)
except Permission.DoesNotExist:
perm = Permission.objects.create(
user=self.user,
content_object=content_object,
codename=codename,
approved=True,
)
result.append(perm)
elif isinstance(content_object, ModelBase):
# make a Django permission
codename = self.get_django_codename(
check,
content_object,
generic,
without_left=True,
)
try:
perm = DjangoPermission.objects.get(codename=codename)
except DjangoPermission.DoesNotExist:
name = check
if '_' in name:
name = name[0:name.find('_')]
perm = DjangoPermission(
name=name,
codename=codename,
content_type=content_type,
)
perm.save()
self.user.user_permissions.add(perm)
result.append(perm)
return result
|
python
|
{
"resource": ""
}
|
q4420
|
delimited
|
train
|
def delimited(items, character='|'):
"""Returns a character delimited version of the provided list as a Python string"""
return '|'.join(items) if type(items) in (list, tuple, set) else items
|
python
|
{
"resource": ""
}
|
q4421
|
API._rate_limit
|
train
|
def _rate_limit(self):
"""Pulls in and enforces the latest rate limits for the specified user"""
self.limits_set = True
for product in self.account_information():
self.limits[product['id']] = {'interval': timedelta(seconds=60 / float(product['per_minute_limit']))}
|
python
|
{
"resource": ""
}
|
q4422
|
API.domain_search
|
train
|
def domain_search(self, query, exclude_query=[], max_length=25, min_length=2, has_hyphen=True, has_number=True,
active_only=False, deleted_only=False, anchor_left=False, anchor_right=False, page=1, **kwargs):
"""Each term in the query string must be at least three characters long.
Pass in a list or use spaces to separate multiple terms.
"""
return self._results('domain-search', '/v2/domain-search', query=delimited(query, ' '),
exclude_query=delimited(exclude_query, ' '),
max_length=max_length, min_length=min_length, has_hyphen=has_hyphen, has_number=has_number,
active_only=active_only, deleted_only=deleted_only, anchor_left=anchor_left,
anchor_right=anchor_right, page=page, items_path=('results', ), **kwargs)
|
python
|
{
"resource": ""
}
|
q4423
|
API.domain_suggestions
|
train
|
def domain_suggestions(self, query, **kwargs):
"""Passed in name must be at least two characters long. Use a list or spaces to separate multiple terms."""
return self._results('domain-suggestions', '/v1/domain-suggestions', query=delimited(query, ' '),
items_path=('suggestions', ), **kwargs)
|
python
|
{
"resource": ""
}
|
q4424
|
API.hosting_history
|
train
|
def hosting_history(self, query, **kwargs):
"""Returns the hosting history from the given domain name"""
return self._results('hosting-history', '/v1/{0}/hosting-history'.format(query), cls=GroupedIterable, **kwargs)
|
python
|
{
"resource": ""
}
|
q4425
|
API.ip_registrant_monitor
|
train
|
def ip_registrant_monitor(self, query, days_back=0, search_type="all", server=None, country=None, org=None, page=1,
include_total_count=False, **kwargs):
"""Query based on free text query terms"""
return self._results('ip-registrant-monitor', '/v1/ip-registrant-monitor', query=query,
days_back=days_back, search_type=search_type, server=server, country=country, org=org,
page=page, include_total_count=include_total_count, **kwargs)
|
python
|
{
"resource": ""
}
|
q4426
|
API.parsed_whois
|
train
|
def parsed_whois(self, query, **kwargs):
"""Pass in a domain name"""
return self._results('parsed-whois', '/v1/{0}/whois/parsed'.format(query), cls=ParsedWhois, **kwargs)
|
python
|
{
"resource": ""
}
|
q4427
|
API.reputation
|
train
|
def reputation(self, query, include_reasons=False, **kwargs):
"""Pass in a domain name to see its reputation score"""
return self._results('reputation', '/v1/reputation', domain=query, include_reasons=include_reasons,
cls=Reputation, **kwargs)
|
python
|
{
"resource": ""
}
|
q4428
|
API.host_domains
|
train
|
def host_domains(self, ip=None, limit=None, **kwargs):
"""Pass in an IP address."""
return self._results('reverse-ip', '/v1/{0}/host-domains'.format(ip), limit=limit, **kwargs)
|
python
|
{
"resource": ""
}
|
q4429
|
API.reverse_ip_whois
|
train
|
def reverse_ip_whois(self, query=None, ip=None, country=None, server=None, include_total_count=False, page=1,
**kwargs):
"""Pass in an IP address or a list of free text query terms."""
if (ip and query) or not (ip or query):
raise ValueError('Query or IP Address (but not both) must be defined')
return self._results('reverse-ip-whois', '/v1/reverse-ip-whois', query=query, ip=ip, country=country,
server=server, include_total_count=include_total_count, page=page, items_path=('records', ),
**kwargs)
|
python
|
{
"resource": ""
}
|
q4430
|
API.reverse_name_server
|
train
|
def reverse_name_server(self, query, limit=None, **kwargs):
"""Pass in a domain name or a name server."""
return self._results('reverse-name-server', '/v1/{0}/name-server-domains'.format(query),
items_path=('primary_domains', ), limit=limit, **kwargs)
|
python
|
{
"resource": ""
}
|
q4431
|
API.phisheye_term_list
|
train
|
def phisheye_term_list(self, include_inactive=False, **kwargs):
"""Provides a list of terms that are set up for this account.
This call is not charged against your API usage limit.
NOTE: The terms must be configured in the PhishEye web interface: https://research.domaintools.com/phisheye.
There is no API call to set up the terms.
"""
return self._results('phisheye_term_list', '/v1/phisheye/term-list', include_inactive=include_inactive,
items_path=('terms', ), **kwargs)
|
python
|
{
"resource": ""
}
|
q4432
|
API.iris
|
train
|
def iris(self, domain=None, ip=None, email=None, nameserver=None, registrar=None, registrant=None,
registrant_org=None, **kwargs):
"""Performs a search for the provided search terms ANDed together,
returning the pivot engine row data for the resulting domains.
"""
if ((not domain and not ip and not email and not nameserver and not registrar and not registrant and not
registrant_org and not kwargs)):
raise ValueError('At least one search term must be specified')
return self._results('iris', '/v1/iris', domain=domain, ip=ip, email=email, nameserver=nameserver,
registrar=registrar, registrant=registrant, registrant_org=registrant_org,
items_path=('results', ), **kwargs)
|
python
|
{
"resource": ""
}
|
q4433
|
API.risk
|
train
|
def risk(self, domain, **kwargs):
"""Returns back the risk score for a given domain"""
return self._results('risk', '/v1/risk', items_path=('components', ), domain=domain, cls=Reputation,
**kwargs)
|
python
|
{
"resource": ""
}
|
q4434
|
API.risk_evidence
|
train
|
def risk_evidence(self, domain, **kwargs):
"""Returns back the detailed risk evidence associated with a given domain"""
return self._results('risk-evidence', '/v1/risk/evidence/', items_path=('components', ), domain=domain,
**kwargs)
|
python
|
{
"resource": ""
}
|
q4435
|
Fetcher.init
|
train
|
def init(self):
"""Returns a tuple pair of cookie and crumb used in the request"""
url = 'https://finance.yahoo.com/quote/%s/history' % (self.ticker)
r = requests.get(url)
txt = r.content
cookie = r.cookies['B']
pattern = re.compile('.*"CrumbStore":\{"crumb":"(?P<crumb>[^"]+)"\}')
for line in txt.splitlines():
m = pattern.match(line.decode("utf-8"))
if m is not None:
crumb = m.groupdict()['crumb']
crumb = crumb.replace(u'\\u002F', '/')
return cookie, crumb
|
python
|
{
"resource": ""
}
|
q4436
|
Fetcher.getData
|
train
|
def getData(self, events):
"""Returns a list of historical data from Yahoo Finance"""
if self.interval not in ["1d", "1wk", "1mo"]:
raise ValueError("Incorrect interval: valid intervals are 1d, 1wk, 1mo")
url = self.api_url % (self.ticker, self.start, self.end, self.interval, events, self.crumb)
data = requests.get(url, cookies={'B':self.cookie})
content = StringIO(data.content.decode("utf-8"))
return pd.read_csv(content, sep=',')
|
python
|
{
"resource": ""
}
|
q4437
|
Disk._get_mount_methods
|
train
|
def _get_mount_methods(self, disk_type):
"""Finds which mount methods are suitable for the specified disk type. Returns a list of all suitable mount
methods.
"""
if self.disk_mounter == 'auto':
methods = []
def add_method_if_exists(method):
if (method == 'avfs' and _util.command_exists('avfsd')) or \
_util.command_exists(method):
methods.append(method)
if self.read_write:
add_method_if_exists('xmount')
else:
if disk_type == 'encase':
add_method_if_exists('ewfmount')
elif disk_type == 'vmdk':
add_method_if_exists('vmware-mount')
add_method_if_exists('affuse')
elif disk_type == 'dd':
add_method_if_exists('affuse')
elif disk_type == 'compressed':
add_method_if_exists('avfs')
elif disk_type == 'qcow2':
add_method_if_exists('qemu-nbd')
elif disk_type == 'vdi':
add_method_if_exists('qemu-nbd')
add_method_if_exists('xmount')
else:
methods = [self.disk_mounter]
return methods
|
python
|
{
"resource": ""
}
|
q4438
|
Disk._mount_avfs
|
train
|
def _mount_avfs(self):
"""Mounts the AVFS filesystem."""
self._paths['avfs'] = tempfile.mkdtemp(prefix='image_mounter_avfs_')
# start by calling the mountavfs command to initialize avfs
_util.check_call_(['avfsd', self._paths['avfs'], '-o', 'allow_other'], stdout=subprocess.PIPE)
# no multifile support for avfs
avfspath = self._paths['avfs'] + '/' + os.path.abspath(self.paths[0]) + '#'
targetraw = os.path.join(self.mountpoint, 'avfs')
os.symlink(avfspath, targetraw)
logger.debug("Symlinked {} with {}".format(avfspath, targetraw))
raw_path = self.get_raw_path()
logger.debug("Raw path to avfs is {}".format(raw_path))
if raw_path is None:
raise MountpointEmptyError()
|
python
|
{
"resource": ""
}
|
q4439
|
Disk.init_volumes
|
train
|
def init_volumes(self, single=None, only_mount=None, skip_mount=None, swallow_exceptions=True):
"""Generator that detects and mounts all volumes in the disk.
:param single: If *single* is :const:`True`, this method will call :Func:`init_single_volumes`.
If *single* is False, only :func:`init_multiple_volumes` is called. If *single* is None,
:func:`init_multiple_volumes` is always called, being followed by :func:`init_single_volume`
if no volumes were detected.
:param list only_mount: If set, must be a list of volume indexes that are only mounted.
:param list skip_mount: If set, must be a list of volume indexes tat should not be mounted.
:param bool swallow_exceptions: If True, Exceptions are not raised but rather set on the instance.
"""
for volume in self.detect_volumes(single=single):
for vol in volume.init(only_mount=only_mount, skip_mount=skip_mount,
swallow_exceptions=swallow_exceptions):
yield vol
|
python
|
{
"resource": ""
}
|
q4440
|
Disk.get_volumes
|
train
|
def get_volumes(self):
"""Gets a list of all volumes in this disk, including volumes that are contained in other volumes."""
volumes = []
for v in self.volumes:
volumes.extend(v.get_volumes())
return volumes
|
python
|
{
"resource": ""
}
|
q4441
|
Disk.unmount
|
train
|
def unmount(self, remove_rw=False, allow_lazy=False):
"""Removes all ties of this disk to the filesystem, so the image can be unmounted successfully.
:raises SubsystemError: when one of the underlying commands fails. Some are swallowed.
:raises CleanupError: when actual cleanup fails. Some are swallowed.
"""
for m in list(sorted(self.volumes, key=lambda v: v.mountpoint or "", reverse=True)):
try:
m.unmount(allow_lazy=allow_lazy)
except ImageMounterError:
logger.warning("Error unmounting volume {0}".format(m.mountpoint))
if self._paths.get('nbd'):
_util.clean_unmount(['qemu-nbd', '-d'], self._paths['nbd'], rmdir=False)
if self.mountpoint:
try:
_util.clean_unmount(['fusermount', '-u'], self.mountpoint)
except SubsystemError:
if not allow_lazy:
raise
_util.clean_unmount(['fusermount', '-uz'], self.mountpoint)
if self._paths.get('avfs'):
try:
_util.clean_unmount(['fusermount', '-u'], self._paths['avfs'])
except SubsystemError:
if not allow_lazy:
raise
_util.clean_unmount(['fusermount', '-uz'], self._paths['avfs'])
if self.rw_active() and remove_rw:
os.remove(self.rwpath)
self.is_mounted = False
|
python
|
{
"resource": ""
}
|
q4442
|
ArgumentParsedShell._make_argparser
|
train
|
def _make_argparser(self):
"""Makes a new argument parser."""
self.argparser = ShellArgumentParser(prog='')
subparsers = self.argparser.add_subparsers()
for name in self.get_names():
if name.startswith('parser_'):
parser = subparsers.add_parser(name[7:])
parser.set_defaults(func=getattr(self, 'arg_' + name[7:]))
getattr(self, name)(parser)
self.argparser_completer = None
try:
import argcomplete
except ImportError:
pass
else:
os.environ.setdefault("_ARGCOMPLETE_COMP_WORDBREAKS", " \t\"'")
self.argparser_completer = argcomplete.CompletionFinder(self.argparser)
|
python
|
{
"resource": ""
}
|
q4443
|
ArgumentParsedShell.default
|
train
|
def default(self, line):
"""Overriding default to get access to any argparse commands we have specified."""
if any((line.startswith(x) for x in self.argparse_names())):
try:
args = self.argparser.parse_args(shlex.split(line))
except Exception: # intentionally catches also other errors in argparser
pass
else:
args.func(args)
else:
cmd.Cmd.default(self, line)
|
python
|
{
"resource": ""
}
|
q4444
|
ArgumentParsedShell.completedefault
|
train
|
def completedefault(self, text, line, begidx, endidx):
"""Accessing the argcompleter if available."""
if self.argparser_completer and any((line.startswith(x) for x in self.argparse_names())):
self.argparser_completer.rl_complete(line, 0)
return [x[begidx:] for x in self.argparser_completer._rl_matches]
else:
return []
|
python
|
{
"resource": ""
}
|
q4445
|
ArgumentParsedShell.completenames
|
train
|
def completenames(self, text, *ignored):
"""Patched to also return argparse commands"""
return sorted(cmd.Cmd.completenames(self, text, *ignored) + self.argparse_names(text))
|
python
|
{
"resource": ""
}
|
q4446
|
ArgumentParsedShell.do_help
|
train
|
def do_help(self, arg):
"""Patched to show help for arparse commands"""
if not arg or arg not in self.argparse_names():
cmd.Cmd.do_help(self, arg)
else:
try:
self.argparser.parse_args([arg, '--help'])
except Exception:
pass
|
python
|
{
"resource": ""
}
|
q4447
|
ArgumentParsedShell.print_topics
|
train
|
def print_topics(self, header, cmds, cmdlen, maxcol):
"""Patched to show all argparse commands as being documented"""
if header == self.doc_header:
cmds.extend(self.argparse_names())
cmd.Cmd.print_topics(self, header, sorted(cmds), cmdlen, maxcol)
|
python
|
{
"resource": ""
}
|
q4448
|
ImageMounterShell.preloop
|
train
|
def preloop(self):
"""if the parser is not already set, loads the parser."""
if not self.parser:
self.stdout.write("Welcome to imagemounter {version}".format(version=__version__))
self.stdout.write("\n")
self.parser = ImageParser()
for p in self.args.paths:
self.onecmd('disk "{}"'.format(p))
|
python
|
{
"resource": ""
}
|
q4449
|
ImageMounterShell.onecmd
|
train
|
def onecmd(self, line):
"""Do not crash the entire program when a single command fails."""
try:
return cmd.Cmd.onecmd(self, line)
except Exception as e:
print("Critical error.", e)
|
python
|
{
"resource": ""
}
|
q4450
|
ImageMounterShell._get_all_indexes
|
train
|
def _get_all_indexes(self):
"""Returns all indexes available in the parser"""
if self.parser:
return [v.index for v in self.parser.get_volumes()] + [d.index for d in self.parser.disks]
else:
return None
|
python
|
{
"resource": ""
}
|
q4451
|
ImageMounterShell._get_by_index
|
train
|
def _get_by_index(self, index):
"""Returns a volume,disk tuple for the specified index"""
volume_or_disk = self.parser.get_by_index(index)
volume, disk = (volume_or_disk, None) if not isinstance(volume_or_disk, Disk) else (None, volume_or_disk)
return volume, disk
|
python
|
{
"resource": ""
}
|
q4452
|
ImageMounterShell.do_quit
|
train
|
def do_quit(self, arg):
"""Quits the program."""
if self.saved:
self.save()
else:
self.parser.clean()
return True
|
python
|
{
"resource": ""
}
|
q4453
|
Unmounter.unmount
|
train
|
def unmount(self):
"""Calls all unmount methods in the correct order."""
self.unmount_bindmounts()
self.unmount_mounts()
self.unmount_volume_groups()
self.unmount_loopbacks()
self.unmount_base_images()
self.clean_dirs()
|
python
|
{
"resource": ""
}
|
q4454
|
ImageParser.add_disk
|
train
|
def add_disk(self, path, force_disk_indexes=True, **args):
"""Adds a disk specified by the path to the ImageParser.
:param path: The path to the disk volume
:param force_disk_indexes: If true, always uses disk indexes. If False, only uses disk indexes if this is the
second volume you add. If you plan on using this method, always leave this True.
If you add a second disk when the previous disk has no index, an error is raised.
:param args: Arguments to pass to the constructor of the Disk.
"""
if self.disks and self.disks[0].index is None:
raise DiskIndexError("First disk has no index.")
if force_disk_indexes or self.disks:
index = len(self.disks) + 1
else:
index = None
disk = Disk(self, path, index=str(index) if index else None, **args)
self.disks.append(disk)
return disk
|
python
|
{
"resource": ""
}
|
q4455
|
ImageParser.rw_active
|
train
|
def rw_active(self):
"""Indicates whether a read-write cache is active in any of the disks.
:rtype: bool"""
result = False
for disk in self.disks:
result = disk.rw_active() or result
return result
|
python
|
{
"resource": ""
}
|
q4456
|
ImageParser.get_by_index
|
train
|
def get_by_index(self, index):
"""Returns a Volume or Disk by its index."""
try:
return self[index]
except KeyError:
for v in self.get_volumes():
if v.index == str(index):
return v
raise KeyError(index)
|
python
|
{
"resource": ""
}
|
q4457
|
ImageParser.force_clean
|
train
|
def force_clean(self, remove_rw=False, allow_lazy=False, retries=5, sleep_interval=0.5):
"""Attempts to call the clean method, but will retry automatically if an error is raised. When the attempts
run out, it will raise the last error.
Note that the method will only catch :class:`ImageMounterError` exceptions.
:param bool remove_rw: indicates whether a read-write cache should be removed
:param bool allow_lazy: indicates whether lazy unmounting is allowed
:param retries: Maximum amount of retries while unmounting
:param sleep_interval: The sleep interval between attempts.
:raises SubsystemError: when one of the underlying commands fails. Some are swallowed.
:raises CleanupError: when actual cleanup fails. Some are swallowed.
"""
while True:
try:
self.clean(remove_rw=remove_rw, allow_lazy=allow_lazy)
except ImageMounterError:
if retries == 0:
raise
retries -= 1
time.sleep(sleep_interval)
else:
return
|
python
|
{
"resource": ""
}
|
q4458
|
ImageParser.reconstruct
|
train
|
def reconstruct(self):
"""Reconstructs the filesystem of all volumes mounted by the parser by inspecting the last mount point and
bind mounting everything.
:raises: NoRootFoundError if no root could be found
:return: the root :class:`Volume`
"""
volumes = list(sorted((v for v in self.get_volumes() if v.mountpoint and v.info.get('lastmountpoint')),
key=lambda v: v.numeric_index))
try:
root = list(filter(lambda x: x.info.get('lastmountpoint') == '/', volumes))[0]
except IndexError:
logger.error("Could not find / while reconstructing, aborting!")
raise NoRootFoundError()
volumes.remove(root)
for v in volumes:
if v.info.get('lastmountpoint') == root.info.get('lastmountpoint'):
logger.debug("Skipping volume %s as it has the same root as %s", v, root)
continue
v.bindmount(os.path.join(root.mountpoint, v.info.get('lastmountpoint')[1:]))
return root
|
python
|
{
"resource": ""
}
|
q4459
|
VolumeSystem._make_subvolume
|
train
|
def _make_subvolume(self, **args):
"""Creates a subvolume, adds it to this class and returns it."""
from imagemounter.volume import Volume
v = Volume(disk=self.disk, parent=self.parent,
volume_detector=self.volume_detector,
**args) # vstype is not passed down, let it decide for itself.
self.volumes.append(v)
return v
|
python
|
{
"resource": ""
}
|
q4460
|
VolumeSystem._make_single_subvolume
|
train
|
def _make_single_subvolume(self, only_one=True, **args):
"""Creates a subvolume, adds it to this class, sets the volume index to 0 and returns it.
:param bool only_one: if this volume system already has at least one volume, it is returned instead.
"""
if only_one and self.volumes:
return self.volumes[0]
if self.parent.index is None:
index = '0'
else:
index = '{0}.0'.format(self.parent.index)
volume = self._make_subvolume(index=index, **args)
return volume
|
python
|
{
"resource": ""
}
|
q4461
|
VolumeSystem.detect_volumes
|
train
|
def detect_volumes(self, vstype=None, method=None, force=False):
"""Iterator for detecting volumes within this volume system.
:param str vstype: The volume system type to use. If None, uses :attr:`vstype`
:param str method: The detection method to use. If None, uses :attr:`detection`
:param bool force: Specify if you wnat to force running the detection if has_Detected is True.
"""
if self.has_detected and not force:
logger.warning("Detection already ran.")
return
if vstype is None:
vstype = self.vstype
if method is None:
method = self.volume_detector
if method == 'auto':
method = VolumeSystem._determine_auto_detection_method()
if method in ALL_VOLUME_SYSTEM_DETECTORS:
for v in ALL_VOLUME_SYSTEM_DETECTORS[method].detect(self, vstype):
yield v
else:
logger.error("No viable detection method found")
raise ArgumentError("No viable detection method found")
self.has_detected = True
|
python
|
{
"resource": ""
}
|
q4462
|
VolumeSystem._determine_auto_detection_method
|
train
|
def _determine_auto_detection_method():
"""Return the detection method to use when the detection method is 'auto'"""
if dependencies.pytsk3.is_available:
return 'pytsk3'
elif dependencies.mmls.is_available:
return 'mmls'
elif dependencies.parted.is_available:
return 'parted'
else:
raise PrerequisiteFailedError("No valid detection method is installed.")
|
python
|
{
"resource": ""
}
|
q4463
|
VolumeSystem._assign_disktype_data
|
train
|
def _assign_disktype_data(self, volume, slot=None):
"""Assigns cached disktype data to a volume."""
if slot is None:
slot = volume.slot
if slot in self._disktype:
data = self._disktype[slot]
if not volume.info.get('guid') and 'guid' in data:
volume.info['guid'] = data['guid']
if not volume.info.get('label') and 'label' in data:
volume.info['label'] = data['label']
|
python
|
{
"resource": ""
}
|
q4464
|
VolumeDetector._format_index
|
train
|
def _format_index(self, volume_system, idx):
"""Returns a formatted index given the disk index idx."""
if volume_system.parent.index is not None:
return '{0}.{1}'.format(volume_system.parent.index, idx)
else:
return str(idx)
|
python
|
{
"resource": ""
}
|
q4465
|
Pytsk3VolumeDetector._find_volumes
|
train
|
def _find_volumes(self, volume_system, vstype='detect'):
"""Finds all volumes based on the pytsk3 library."""
try:
# noinspection PyUnresolvedReferences
import pytsk3
except ImportError:
logger.error("pytsk3 not installed, could not detect volumes")
raise ModuleNotFoundError("pytsk3")
baseimage = None
try:
# ewf raw image is now available on base mountpoint
# either as ewf1 file or as .dd file
raw_path = volume_system.parent.get_raw_path()
# noinspection PyBroadException
try:
baseimage = pytsk3.Img_Info(raw_path)
except Exception:
logger.error("Failed retrieving image info (possible empty image).", exc_info=True)
return []
try:
volumes = pytsk3.Volume_Info(baseimage, getattr(pytsk3, 'TSK_VS_TYPE_' + vstype.upper()),
volume_system.parent.offset // volume_system.disk.block_size)
volume_system.volume_source = 'multi'
return volumes
except Exception as e:
# some bug in sleuthkit makes detection sometimes difficult, so we hack around it:
if "(GPT or DOS at 0)" in str(e) and vstype != 'gpt':
volume_system.vstype = 'gpt'
# noinspection PyBroadException
try:
logger.warning("Error in retrieving volume info: TSK couldn't decide between GPT and DOS, "
"choosing GPT for you. Use --vstype=dos to force DOS.", exc_info=True)
volumes = pytsk3.Volume_Info(baseimage, getattr(pytsk3, 'TSK_VS_TYPE_GPT'))
volume_system.volume_source = 'multi'
return volumes
except Exception as e:
logger.exception("Failed retrieving image info (possible empty image).")
raise SubsystemError(e)
else:
logger.exception("Failed retrieving image info (possible empty image).")
raise SubsystemError(e)
finally:
if baseimage:
baseimage.close()
del baseimage
|
python
|
{
"resource": ""
}
|
q4466
|
Pytsk3VolumeDetector.detect
|
train
|
def detect(self, volume_system, vstype='detect'):
"""Generator that mounts every partition of this image and yields the mountpoint."""
# Loop over all volumes in image.
for p in self._find_volumes(volume_system, vstype):
import pytsk3
volume = volume_system._make_subvolume(
index=self._format_index(volume_system, p.addr),
offset=p.start * volume_system.disk.block_size,
size=p.len * volume_system.disk.block_size
)
# Fill volume with more information
volume.info['fsdescription'] = p.desc.strip().decode('utf-8')
if p.flags == pytsk3.TSK_VS_PART_FLAG_ALLOC:
volume.flag = 'alloc'
volume.slot = _util.determine_slot(p.table_num, p.slot_num)
volume_system._assign_disktype_data(volume)
logger.info("Found allocated {2}: block offset: {0}, length: {1} ".format(p.start, p.len,
volume.info['fsdescription']))
elif p.flags == pytsk3.TSK_VS_PART_FLAG_UNALLOC:
volume.flag = 'unalloc'
logger.info("Found unallocated space: block offset: {0}, length: {1} ".format(p.start, p.len))
elif p.flags == pytsk3.TSK_VS_PART_FLAG_META:
volume.flag = 'meta'
logger.info("Found meta volume: block offset: {0}, length: {1} ".format(p.start, p.len))
yield volume
|
python
|
{
"resource": ""
}
|
q4467
|
PartedVolumeDetector.detect
|
train
|
def detect(self, volume_system, vstype='detect'):
"""Finds and mounts all volumes based on parted.
:param VolumeSystem volume_system: The volume system.
"""
# for some reason, parted does not properly return extended volume types in its machine
# output, so we need to execute it twice.
meta_volumes = []
# noinspection PyBroadException
try:
output = _util.check_output_(['parted', volume_system.parent.get_raw_path(), 'print'], stdin=subprocess.PIPE)
for line in output.splitlines():
if 'extended' in line:
meta_volumes.append(int(line.split()[0]))
except Exception:
logger.exception("Failed executing parted command.")
# skip detection of meta volumes
# noinspection PyBroadException
try:
# parted does not support passing in the vstype. It either works, or it doesn't.
cmd = ['parted', volume_system.parent.get_raw_path(), '-sm', 'unit s', 'print free']
output = _util.check_output_(cmd, stdin=subprocess.PIPE)
volume_system.volume_source = 'multi'
except Exception as e:
logger.exception("Failed executing parted command")
raise SubsystemError(e)
num = 0
for line in output.splitlines():
if line.startswith("Warning") or not line or ':' not in line or line.startswith(self.parent.get_raw_path()):
continue
line = line[:-1] # remove last ;
try:
slot, start, end, length, description = line.split(':', 4)
if ':' in description:
description, label, flags = description.split(':', 2)
else:
description, label, flags = description, '', ''
try:
slot = int(slot)
except ValueError:
continue
volume = volume_system._make_subvolume(
index=self._format_index(volume_system, num),
offset=int(start[:-1]) * volume_system.disk.block_size, # remove last s
size=int(length[:-1]) * volume_system.disk.block_size)
volume.info['fsdescription'] = description
if label:
volume.info['label'] = label
if flags:
volume.info['parted_flags'] = flags
# TODO: detection of meta volumes
if description == 'free':
volume.flag = 'unalloc'
logger.info("Found unallocated space: block offset: {0}, length: {1}".format(start[:-1],
length[:-1]))
elif slot in meta_volumes:
volume.flag = 'meta'
volume.slot = slot
logger.info("Found meta volume: block offset: {0}, length: {1}".format(start[:-1], length[:-1]))
else:
volume.flag = 'alloc'
volume.slot = slot
volume_system._assign_disktype_data(volume)
logger.info("Found allocated {2}: block offset: {0}, length: {1} "
.format(start[:-1], length[:-1], volume.info['fsdescription']))
except AttributeError:
logger.exception("Error while parsing parted output")
continue
num += 1
yield volume
|
python
|
{
"resource": ""
}
|
q4468
|
VssVolumeDetector.detect
|
train
|
def detect(self, volume_system, vstype='detect'):
"""Detect volume shadow copy volumes in the specified path."""
path = volume_system.parent._paths['vss']
try:
volume_info = _util.check_output_(["vshadowinfo", "-o", str(volume_system.parent.offset),
volume_system.parent.get_raw_path()])
except Exception as e:
logger.exception("Failed obtaining info from the volume shadow copies.")
raise SubsystemError(e)
current_store = None
for line in volume_info.splitlines():
line = line.strip()
if line.startswith("Store:"):
idx = line.split(":")[-1].strip()
current_store = volume_system._make_subvolume(
index=self._format_index(volume_system, idx), flag='alloc', offset=0
)
current_store._paths['vss_store'] = os.path.join(path, 'vss' + idx)
current_store.info['fsdescription'] = 'VSS Store'
elif line.startswith("Volume size"):
current_store.size = int(line.split(":")[-1].strip().split()[0])
elif line.startswith("Creation time"):
current_store.info['creation_time'] = line.split(":")[-1].strip()
return volume_system.volumes
|
python
|
{
"resource": ""
}
|
q4469
|
LvmVolumeDetector.detect
|
train
|
def detect(self, volume_system, vstype='detect'):
"""Gather information about lvolumes, gathering their label, size and raw path"""
volume_group = volume_system.parent.info.get('volume_group')
result = _util.check_output_(["lvm", "lvdisplay", volume_group])
cur_v = None
for l in result.splitlines():
if "--- Logical volume ---" in l:
cur_v = volume_system._make_subvolume(
index=self._format_index(volume_system, len(volume_system)),
flag='alloc'
)
cur_v.info['fsdescription'] = 'Logical Volume'
if "LV Name" in l:
cur_v.info['label'] = l.replace("LV Name", "").strip()
if "LV Size" in l:
size, unit = l.replace("LV Size", "").strip().split(" ", 1)
cur_v.size = int(float(size.replace(',', '.')) * {'KiB': 1024, 'MiB': 1024 ** 2,
'GiB': 1024 ** 3, 'TiB': 1024 ** 4}.get(unit, 1))
if "LV Path" in l:
cur_v._paths['lv'] = l.replace("LV Path", "").strip()
cur_v.offset = 0
logger.info("{0} volumes found".format(len(volume_system)))
volume_system.volume_source = 'multi'
return volume_system.volumes
|
python
|
{
"resource": ""
}
|
q4470
|
Volume._get_fstype_from_parser
|
train
|
def _get_fstype_from_parser(self, fstype=None):
"""Load fstype information from the parser instance."""
if fstype:
self.fstype = fstype
elif self.index in self.disk.parser.fstypes:
self.fstype = self.disk.parser.fstypes[self.index]
elif '*' in self.disk.parser.fstypes:
self.fstype = self.disk.parser.fstypes['*']
elif '?' in self.disk.parser.fstypes and self.disk.parser.fstypes['?'] is not None:
self.fstype = "?" + self.disk.parser.fstypes['?']
else:
self.fstype = ""
if self.fstype in VOLUME_SYSTEM_TYPES:
self.volumes.vstype = self.fstype
self.fstype = 'volumesystem'
# convert fstype from string to a FileSystemType object
if not isinstance(self.fstype, filesystems.FileSystemType):
if self.fstype.startswith("?"):
fallback = FILE_SYSTEM_TYPES[self.fstype[1:]]
self.fstype = filesystems.FallbackFileSystemType(fallback)
else:
self.fstype = FILE_SYSTEM_TYPES[self.fstype]
|
python
|
{
"resource": ""
}
|
q4471
|
Volume._get_blkid_type
|
train
|
def _get_blkid_type(self):
"""Retrieves the FS type from the blkid command."""
try:
result = _util.check_output_(['blkid', '-p', '-O', str(self.offset), self.get_raw_path()])
if not result:
return None
# noinspection PyTypeChecker
blkid_result = dict(re.findall(r'([A-Z]+)="(.+?)"', result))
self.info['blkid_data'] = blkid_result
if 'PTTYPE' in blkid_result and 'TYPE' not in blkid_result:
return blkid_result.get('PTTYPE')
else:
return blkid_result.get('TYPE')
except Exception:
return None
|
python
|
{
"resource": ""
}
|
q4472
|
Volume._get_magic_type
|
train
|
def _get_magic_type(self):
"""Checks the volume for its magic bytes and returns the magic."""
try:
with io.open(self.disk.get_fs_path(), "rb") as file:
file.seek(self.offset)
fheader = file.read(min(self.size, 4096) if self.size else 4096)
except IOError:
logger.exception("Failed reading first 4K bytes from volume.")
return None
# TODO fallback to img-cat image -s blocknum | file -
# if we were able to load the module magic
try:
# noinspection PyUnresolvedReferences
import magic
if hasattr(magic, 'from_buffer'):
# using https://github.com/ahupp/python-magic
logger.debug("Using python-magic Python package for file type magic")
result = magic.from_buffer(fheader).decode()
self.info['magic_data'] = result
return result
elif hasattr(magic, 'open'):
# using Magic file extensions by Rueben Thomas (Ubuntu python-magic module)
logger.debug("Using python-magic system package for file type magic")
ms = magic.open(magic.NONE)
ms.load()
result = ms.buffer(fheader)
ms.close()
self.info['magic_data'] = result
return result
else:
logger.warning("The python-magic module is not available, but another module named magic was found.")
except ImportError:
logger.warning("The python-magic module is not available.")
except AttributeError:
logger.warning("The python-magic module is not available, but another module named magic was found.")
return None
|
python
|
{
"resource": ""
}
|
q4473
|
Volume.get_safe_label
|
train
|
def get_safe_label(self):
"""Returns a label that is safe to add to a path in the mountpoint for this volume."""
if self.info.get('label') == '/':
return 'root'
suffix = re.sub(r"[/ \(\)]+", "_", self.info.get('label')) if self.info.get('label') else ""
if suffix and suffix[0] == '_':
suffix = suffix[1:]
if len(suffix) > 2 and suffix[-1] == '_':
suffix = suffix[:-1]
return suffix
|
python
|
{
"resource": ""
}
|
q4474
|
Volume.detect_volume_shadow_copies
|
train
|
def detect_volume_shadow_copies(self):
"""Method to call vshadowmount and mount NTFS volume shadow copies.
:return: iterable with the :class:`Volume` objects of the VSS
:raises CommandNotFoundError: if the underlying command does not exist
:raises SubSystemError: if the underlying command fails
:raises NoMountpointAvailableError: if there is no mountpoint available
"""
self._make_mountpoint(var_name='vss', suffix="vss", in_paths=True)
try:
_util.check_call_(["vshadowmount", "-o", str(self.offset), self.get_raw_path(), self._paths['vss']])
except Exception as e:
logger.exception("Failed mounting the volume shadow copies.")
raise SubsystemError(e)
else:
return self.volumes.detect_volumes(vstype='vss')
|
python
|
{
"resource": ""
}
|
q4475
|
Volume._should_mount
|
train
|
def _should_mount(self, only_mount=None, skip_mount=None):
"""Indicates whether this volume should be mounted. Internal method, used by imount.py"""
om = only_mount is None or \
self.index in only_mount or \
self.info.get('lastmountpoint') in only_mount or \
self.info.get('label') in only_mount
sm = skip_mount is None or \
(self.index not in skip_mount and
self.info.get('lastmountpoint') not in skip_mount and
self.info.get('label') not in skip_mount)
return om and sm
|
python
|
{
"resource": ""
}
|
q4476
|
Volume.init
|
train
|
def init(self, only_mount=None, skip_mount=None, swallow_exceptions=True):
"""Generator that mounts this volume and either yields itself or recursively generates its subvolumes.
More specifically, this function will call :func:`load_fsstat_data` (iff *no_stats* is False), followed by
:func:`mount`, followed by a call to :func:`detect_mountpoint`, after which ``self`` is yielded, or the result
of the :func:`init` call on each subvolume is yielded
:param only_mount: if specified, only volume indexes in this list are mounted. Volume indexes are strings.
:param skip_mount: if specified, volume indexes in this list are not mounted.
:param swallow_exceptions: if True, any error occuring when mounting the volume is swallowed and added as an
exception attribute to the yielded objects.
"""
if swallow_exceptions:
self.exception = None
try:
if not self._should_mount(only_mount, skip_mount):
yield self
return
if not self.init_volume():
yield self
return
except ImageMounterError as e:
if swallow_exceptions:
self.exception = e
else:
raise
if not self.volumes:
yield self
else:
for v in self.volumes:
for s in v.init(only_mount, skip_mount, swallow_exceptions):
yield s
|
python
|
{
"resource": ""
}
|
q4477
|
Volume._clear_mountpoint
|
train
|
def _clear_mountpoint(self):
"""Clears a created mountpoint. Does not unmount it, merely deletes it."""
if self.mountpoint:
os.rmdir(self.mountpoint)
self.mountpoint = ""
|
python
|
{
"resource": ""
}
|
q4478
|
Volume.bindmount
|
train
|
def bindmount(self, mountpoint):
"""Bind mounts the volume to another mountpoint. Only works if the volume is already mounted.
:raises NotMountedError: when the volume is not yet mounted
:raises SubsystemError: when the underlying command failed
"""
if not self.mountpoint:
raise NotMountedError(self)
try:
_util.check_call_(['mount', '--bind', self.mountpoint, mountpoint], stdout=subprocess.PIPE)
if 'bindmounts' in self._paths:
self._paths['bindmounts'].append(mountpoint)
else:
self._paths['bindmounts'] = [mountpoint]
return True
except Exception as e:
logger.exception("Error bind mounting {0}.".format(self))
raise SubsystemError(e)
|
python
|
{
"resource": ""
}
|
q4479
|
Volume.get_volumes
|
train
|
def get_volumes(self):
"""Recursively gets a list of all subvolumes and the current volume."""
if self.volumes:
volumes = []
for v in self.volumes:
volumes.extend(v.get_volumes())
volumes.append(self)
return volumes
else:
return [self]
|
python
|
{
"resource": ""
}
|
q4480
|
require
|
train
|
def require(*requirements, **kwargs):
"""Decorator that can be used to require requirements.
:param requirements: List of requirements that should be verified
:param none_on_failure: If true, does not raise a PrerequisiteFailedError, but instead returns None
"""
# TODO: require(*requirements, none_on_failure=False) is not supported by Python 2
none_on_failure = kwargs.get('none_on_failure', False)
def inner(f):
@functools.wraps(f)
def wrapper(*args, **kwargs):
for req in requirements:
if none_on_failure:
if not getattr(req, 'is_available'):
return None
else:
getattr(req, 'require')()
return f(*args, **kwargs)
return wrapper
return inner
|
python
|
{
"resource": ""
}
|
q4481
|
CommandDependency.status_message
|
train
|
def status_message(self):
"""Detailed message about whether the dependency is installed.
:rtype: str
"""
if self.is_available:
return "INSTALLED {0!s}"
elif self.why and self.package:
return "MISSING {0!s:<20}needed for {0.why}, part of the {0.package} package"
elif self.why:
return "MISSING {0!s:<20}needed for {0.why}"
elif self.package:
return "MISSING {0!s:<20}part of the {0.package} package"
else:
return "MISSING {0!s:<20}"
|
python
|
{
"resource": ""
}
|
q4482
|
FileSystemType.mount
|
train
|
def mount(self, volume):
"""Mounts the given volume on the provided mountpoint. The default implementation simply calls mount.
:param Volume volume: The volume to be mounted
:param mountpoint: The file system path to mount the filesystem on.
:raises UnsupportedFilesystemError: when the volume system type can not be mounted.
"""
volume._make_mountpoint()
try:
self._call_mount(volume, volume.mountpoint, self._mount_type or self.type, self._mount_opts)
except Exception:
# undo the creation of the mountpoint
volume._clear_mountpoint()
raise
|
python
|
{
"resource": ""
}
|
q4483
|
FileSystemType._call_mount
|
train
|
def _call_mount(self, volume, mountpoint, type=None, opts=""):
"""Calls the mount command, specifying the mount type and mount options."""
# default arguments for calling mount
if opts and not opts.endswith(','):
opts += ","
opts += 'loop,offset=' + str(volume.offset) + ',sizelimit=' + str(volume.size)
# building the command
cmd = ['mount', volume.get_raw_path(), mountpoint, '-o', opts]
# add read-only if needed
if not volume.disk.read_write:
cmd[-1] += ',ro'
# add the type if specified
if type is not None:
cmd += ['-t', type]
_util.check_output_(cmd, stderr=subprocess.STDOUT)
|
python
|
{
"resource": ""
}
|
q4484
|
Jffs2FileSystemType.mount
|
train
|
def mount(self, volume):
"""Perform specific operations to mount a JFFS2 image. This kind of image is sometimes used for things like
bios images. so external tools are required but given this method you don't have to memorize anything and it
works fast and easy.
Note that this module might not yet work while mounting multiple images at the same time.
"""
# we have to make a ram-device to store the image, we keep 20% overhead
size_in_kb = int((volume.size / 1024) * 1.2)
_util.check_call_(['modprobe', '-v', 'mtd'])
_util.check_call_(['modprobe', '-v', 'jffs2'])
_util.check_call_(['modprobe', '-v', 'mtdram', 'total_size={}'.format(size_in_kb), 'erase_size=256'])
_util.check_call_(['modprobe', '-v', 'mtdblock'])
_util.check_call_(['dd', 'if=' + volume.get_raw_path(), 'of=/dev/mtd0'])
_util.check_call_(['mount', '-t', 'jffs2', '/dev/mtdblock0', volume.mountpoint])
|
python
|
{
"resource": ""
}
|
q4485
|
RaidFileSystemType.mount
|
train
|
def mount(self, volume):
"""Add the volume to a RAID system. The RAID array is activated as soon as the array can be activated.
:raises NoLoopbackAvailableError: if no loopback device was found
"""
volume._find_loopback()
raid_status = None
try:
# use mdadm to mount the loopback to a md device
# incremental and run as soon as available
output = _util.check_output_(['mdadm', '-IR', volume.loopback], stderr=subprocess.STDOUT)
match = re.findall(r"attached to ([^ ,]+)", output)
if match:
volume._paths['md'] = os.path.realpath(match[0])
if 'which is already active' in output:
logger.info("RAID is already active in other volume, using %s", volume._paths['md'])
raid_status = 'active'
elif 'not enough to start' in output:
volume._paths['md'] = volume._paths['md'].replace("/dev/md/", "/dev/md")
logger.info("RAID volume added, but not enough to start %s", volume._paths['md'])
raid_status = 'waiting'
else:
logger.info("RAID started at {0}".format(volume._paths['md']))
raid_status = 'active'
except Exception as e:
logger.exception("Failed mounting RAID.")
volume._free_loopback()
raise SubsystemError(e)
# search for the RAID volume
for v in volume.disk.parser.get_volumes():
if v._paths.get("md") == volume._paths['md'] and v.volumes:
logger.debug("Adding existing volume %s to volume %s", v.volumes[0], volume)
v.volumes[0].info['raid_status'] = raid_status
volume.volumes.volumes.append(v.volumes[0])
return v.volumes[0]
else:
logger.debug("Creating RAID volume for %s", self)
container = volume.volumes._make_single_subvolume(flag='alloc', offset=0, size=volume.size)
container.info['fsdescription'] = 'RAID Volume'
container.info['raid_status'] = raid_status
return container
|
python
|
{
"resource": ""
}
|
q4486
|
escape
|
train
|
def escape(s, fold_newlines=True):
"""Escapes a string to make it usable in LaTeX text mode. Will replace
special characters as well as newlines.
Some problematic characters like ``[`` and ``]`` are escaped into groups
(e.g. ``{[}``), because they tend to cause problems when mixed with ``\\``
newlines otherwise.
:param s: The string to escape.
:param fold_newlines: If true, multiple newlines will be reduced to just a
single ``\\``. Otherwise, whitespace is kept intact
by adding multiple ``[n\baselineskip]``.
"""
def sub(m):
c = m.group()
if c in CHAR_ESCAPE:
return CHAR_ESCAPE[c]
if c.isspace():
if fold_newlines:
return r'\\'
return r'\\[{}\baselineskip]'.format(len(c))
return ESCAPE_RE.sub(sub, s)
|
python
|
{
"resource": ""
}
|
q4487
|
build_pdf
|
train
|
def build_pdf(source, texinputs=[], builder=None):
"""Builds a LaTeX source to PDF.
Will automatically instantiate an available builder (or raise a
:class:`exceptions.RuntimeError` if none are available) and build the
supplied source with it.
Parameters are passed on to the builder's
:meth:`~latex.build.LatexBuilder.build_pdf` function.
:param builder: Specify which builder should be used - ``latexmk``,
``pdflatex`` or ``xelatexmk``.
"""
if builder is None:
builders = PREFERRED_BUILDERS
elif builder not in BUILDERS:
raise RuntimeError('Invalid Builder specified')
else:
builders = (builder, )
for bld in builders:
bld_cls = BUILDERS[bld]
builder = bld_cls()
if not builder.is_available():
continue
return builder.build_pdf(source, texinputs)
else:
raise RuntimeError('No available builder could be instantiated. '
'Please make sure LaTeX is installed.')
|
python
|
{
"resource": ""
}
|
q4488
|
parse_log
|
train
|
def parse_log(log, context_size=3):
"""Parses latex log output and tries to extract error messages.
Requires ``-file-line-error`` to be active.
:param log: The contents of the logfile as a string.
:param context_size: Number of lines to keep as context, including the
original error line.
:return: A dictionary containig ``line`` (line number, an int), ``error``,
(the error message), ``filename`` (name of the temporary file
used for building) and ``context`` (list of lines, starting with
with the error line).
"""
lines = log.splitlines()
errors = []
for n, line in enumerate(lines):
m = LATEX_ERR_RE.match(line)
if m:
err = m.groupdict().copy()
err['context'] = lines[n:n + context_size]
try:
err['line'] = int(err['line'])
except TypeError:
pass # ignore invalid int conversion
errors.append(err)
return errors
|
python
|
{
"resource": ""
}
|
q4489
|
split_metadata_params
|
train
|
def split_metadata_params(headers):
"""
Given a dict of headers for s3, seperates those that are boto3
parameters and those that must be metadata
"""
params = {}
metadata = {}
for header_name in headers:
if header_name.lower() in header_mapping:
params[header_mapping[header_name.lower()]] = headers[header_name]
else:
metadata[header_name] = headers[header_name]
return metadata, params
|
python
|
{
"resource": ""
}
|
q4490
|
hash_file
|
train
|
def hash_file(filename):
"""
Generate a hash for the contents of a file
"""
hasher = hashlib.sha1()
with open(filename, 'rb') as f:
buf = f.read(65536)
while len(buf) > 0:
hasher.update(buf)
buf = f.read(65536)
return hasher.hexdigest()
|
python
|
{
"resource": ""
}
|
q4491
|
_get_bucket_name
|
train
|
def _get_bucket_name(**values):
"""
Generates the bucket name for url_for.
"""
app = current_app
# manage other special values, all have no meaning for static urls
values.pop('_external', False) # external has no meaning here
values.pop('_anchor', None) # anchor as well
values.pop('_method', None) # method too
url_style = get_setting('FLASKS3_URL_STYLE', app)
if url_style == 'host':
url_format = '{bucket_name}.{bucket_domain}'
elif url_style == 'path':
url_format = '{bucket_domain}/{bucket_name}'
else:
raise ValueError('Invalid S3 URL style: "{}"'.format(url_style))
if get_setting('FLASKS3_CDN_DOMAIN', app):
bucket_path = '{}'.format(get_setting('FLASKS3_CDN_DOMAIN', app))
else:
bucket_path = url_format.format(
bucket_name=get_setting('FLASKS3_BUCKET_NAME', app),
bucket_domain=get_setting('FLASKS3_BUCKET_DOMAIN', app),
)
bucket_path += _get_statics_prefix(app).rstrip('/')
return bucket_path, values
|
python
|
{
"resource": ""
}
|
q4492
|
url_for
|
train
|
def url_for(endpoint, **values):
"""
Generates a URL to the given endpoint.
If the endpoint is for a static resource then an Amazon S3 URL is
generated, otherwise the call is passed on to `flask.url_for`.
Because this function is set as a jinja environment variable when
`FlaskS3.init_app` is invoked, this function replaces
`flask.url_for` in templates automatically. It is unlikely that this
function will need to be directly called from within your
application code, unless you need to refer to static assets outside
of your templates.
"""
app = current_app
if app.config.get('TESTING', False) and not app.config.get('FLASKS3_OVERRIDE_TESTING', True):
return flask_url_for(endpoint, **values)
if 'FLASKS3_BUCKET_NAME' not in app.config:
raise ValueError("FLASKS3_BUCKET_NAME not found in app configuration.")
if endpoint == 'static' or endpoint.endswith('.static'):
scheme = 'https'
if not app.config.get("FLASKS3_USE_HTTPS", True):
scheme = 'http'
# allow per url override for scheme
scheme = values.pop('_scheme', scheme)
bucket_path, values = _get_bucket_name(**values)
urls = app.url_map.bind(bucket_path, url_scheme=scheme)
built = urls.build(endpoint, values=values, force_external=True)
return built
return flask_url_for(endpoint, **values)
|
python
|
{
"resource": ""
}
|
q4493
|
_bp_static_url
|
train
|
def _bp_static_url(blueprint):
""" builds the absolute url path for a blueprint's static folder """
u = six.u('%s%s' % (blueprint.url_prefix or '', blueprint.static_url_path or ''))
return u
|
python
|
{
"resource": ""
}
|
q4494
|
_gather_files
|
train
|
def _gather_files(app, hidden, filepath_filter_regex=None):
""" Gets all files in static folders and returns in dict."""
dirs = [(six.text_type(app.static_folder), app.static_url_path)]
if hasattr(app, 'blueprints'):
blueprints = app.blueprints.values()
bp_details = lambda x: (x.static_folder, _bp_static_url(x))
dirs.extend([bp_details(x) for x in blueprints if x.static_folder])
valid_files = defaultdict(list)
for static_folder, static_url_loc in dirs:
if not os.path.isdir(static_folder):
logger.warning("WARNING - [%s does not exist]" % static_folder)
else:
logger.debug("Checking static folder: %s" % static_folder)
for root, _, files in os.walk(static_folder):
relative_folder = re.sub(r'^/',
'',
root.replace(static_folder, ''))
files = [os.path.join(root, x)
for x in files if (
(hidden or x[0] != '.') and
# Skip this file if the filter regex is
# defined, and this file's path is a
# negative match.
(filepath_filter_regex == None or re.search(
filepath_filter_regex,
os.path.join(relative_folder, x))))]
if files:
valid_files[(static_folder, static_url_loc)].extend(files)
return valid_files
|
python
|
{
"resource": ""
}
|
q4495
|
_static_folder_path
|
train
|
def _static_folder_path(static_url, static_folder, static_asset):
"""
Returns a path to a file based on the static folder, and not on the
filesystem holding the file.
Returns a path relative to static_url for static_asset
"""
# first get the asset path relative to the static folder.
# static_asset is not simply a filename because it could be
# sub-directory then file etc.
if not static_asset.startswith(static_folder):
raise ValueError("%s static asset must be under %s static folder" %
(static_asset, static_folder))
rel_asset = static_asset[len(static_folder):]
# Now bolt the static url path and the relative asset location together
return '%s/%s' % (static_url.rstrip('/'), rel_asset.lstrip('/'))
|
python
|
{
"resource": ""
}
|
q4496
|
_write_files
|
train
|
def _write_files(s3, app, static_url_loc, static_folder, files, bucket,
ex_keys=None, hashes=None):
""" Writes all the files inside a static folder to S3. """
should_gzip = app.config.get('FLASKS3_GZIP')
add_mime = app.config.get('FLASKS3_FORCE_MIMETYPE')
gzip_include_only = app.config.get('FLASKS3_GZIP_ONLY_EXTS')
new_hashes = []
static_folder_rel = _path_to_relative_url(static_folder)
for file_path in files:
per_file_should_gzip = should_gzip
asset_loc = _path_to_relative_url(file_path)
full_key_name = _static_folder_path(static_url_loc, static_folder_rel,
asset_loc)
key_name = full_key_name.lstrip("/")
logger.debug("Uploading {} to {} as {}".format(file_path, bucket, key_name))
exclude = False
if app.config.get('FLASKS3_ONLY_MODIFIED', False):
file_hash = hash_file(file_path)
new_hashes.append((full_key_name, file_hash))
if hashes and hashes.get(full_key_name, None) == file_hash:
exclude = True
if ex_keys and full_key_name in ex_keys or exclude:
logger.debug("%s excluded from upload" % key_name)
else:
h = {}
# Set more custom headers if the filepath matches certain
# configured regular expressions.
filepath_headers = app.config.get('FLASKS3_FILEPATH_HEADERS')
if filepath_headers:
for filepath_regex, headers in six.iteritems(filepath_headers):
if re.search(filepath_regex, file_path):
for header, value in six.iteritems(headers):
h[header] = value
# check for extension, only if there are extensions provided
if per_file_should_gzip and gzip_include_only:
if os.path.splitext(file_path)[1] not in gzip_include_only:
per_file_should_gzip = False
if per_file_should_gzip:
h["content-encoding"] = "gzip"
if (add_mime or per_file_should_gzip) and "content-type" not in h:
# When we use GZIP we have to explicitly set the content type
# or if the mime flag is True
(mimetype, encoding) = mimetypes.guess_type(file_path,
False)
if mimetype:
h["content-type"] = mimetype
else:
logger.warn("Unable to detect mimetype for %s" %
file_path)
file_mode = 'rb' if six.PY3 else 'r'
with open(file_path, file_mode) as fp:
merged_dicts = merge_two_dicts(get_setting('FLASKS3_HEADERS', app), h)
metadata, params = split_metadata_params(merged_dicts)
if per_file_should_gzip:
compressed = six.BytesIO()
z = gzip.GzipFile(os.path.basename(file_path), 'wb', 9,
compressed)
z.write(fp.read())
z.close()
data = compressed.getvalue()
else:
data = fp.read()
s3.put_object(Bucket=bucket,
Key=key_name,
Body=data,
ACL="public-read",
Metadata=metadata,
**params)
return new_hashes
|
python
|
{
"resource": ""
}
|
q4497
|
create_all
|
train
|
def create_all(app, user=None, password=None, bucket_name=None,
location=None, include_hidden=False,
filepath_filter_regex=None, put_bucket_acl=True):
"""
Uploads of the static assets associated with a Flask application to
Amazon S3.
All static assets are identified on the local filesystem, including
any static assets associated with *registered* blueprints. In turn,
each asset is uploaded to the bucket described by `bucket_name`. If
the bucket does not exist then it is created.
Flask-S3 creates the same relative static asset folder structure on
S3 as can be found within your Flask application.
Many of the optional arguments to `create_all` can be specified
instead in your application's configuration using the Flask-S3
`configuration`_ variables.
:param app: a :class:`flask.Flask` application object.
:param user: an AWS Access Key ID. You can find this key in the
Security Credentials section of your AWS account.
:type user: `basestring` or None
:param password: an AWS Secret Access Key. You can find this key in
the Security Credentials section of your AWS
account.
:type password: `basestring` or None
:param bucket_name: the name of the bucket you wish to server your
static assets from. **Note**: while a valid
character, it is recommended that you do not
include periods in bucket_name if you wish to
serve over HTTPS. See Amazon's `bucket
restrictions`_ for more details.
:type bucket_name: `basestring` or None
:param location: the AWS region to host the bucket in; an empty
string indicates the default region should be used,
which is the US Standard region. Possible location
values include: `'DEFAULT'`, `'EU'`, `'us-east-1'`,
`'us-west-1'`, `'us-west-2'`, `'ap-south-1'`,
`'ap-northeast-2'`, `'ap-southeast-1'`,
`'ap-southeast-2'`, `'ap-northeast-1'`,
`'eu-central-1'`, `'eu-west-1'`, `'sa-east-1'`
:type location: `basestring` or None
:param include_hidden: by default Flask-S3 will not upload hidden
files. Set this to true to force the upload of hidden files.
:type include_hidden: `bool`
:param filepath_filter_regex: if specified, then the upload of
static assets is limited to only those files whose relative path
matches this regular expression string. For example, to only
upload files within the 'css' directory of your app's static
store, set to r'^css'.
:type filepath_filter_regex: `basestring` or None
:param put_bucket_acl: by default Flask-S3 will set the bucket ACL
to public. Set this to false to leave the policy unchanged.
:type put_bucket_acl: `bool`
.. _bucket restrictions: http://docs.amazonwebservices.com/AmazonS3\
/latest/dev/BucketRestrictions.html
"""
user = user or app.config.get('AWS_ACCESS_KEY_ID')
password = password or app.config.get('AWS_SECRET_ACCESS_KEY')
bucket_name = bucket_name or app.config.get('FLASKS3_BUCKET_NAME')
if not bucket_name:
raise ValueError("No bucket name provided.")
location = location or app.config.get('FLASKS3_REGION')
endpoint_url = app.config.get('FLASKS3_ENDPOINT_URL')
# build list of static files
all_files = _gather_files(app, include_hidden,
filepath_filter_regex=filepath_filter_regex)
logger.debug("All valid files: %s" % all_files)
# connect to s3
s3 = boto3.client("s3",
endpoint_url=endpoint_url,
region_name=location or None,
aws_access_key_id=user,
aws_secret_access_key=password)
# get_or_create bucket
try:
s3.head_bucket(Bucket=bucket_name)
except ClientError as e:
if int(e.response['Error']['Code']) == 404:
# Create the bucket
bucket = s3.create_bucket(Bucket=bucket_name)
else:
raise
if put_bucket_acl:
s3.put_bucket_acl(Bucket=bucket_name, ACL='public-read')
if get_setting('FLASKS3_ONLY_MODIFIED', app):
try:
hashes_object = s3.get_object(Bucket=bucket_name, Key='.file-hashes')
hashes = json.loads(str(hashes_object['Body'].read().decode()))
except ClientError as e:
logger.warn("No file hashes found: %s" % e)
hashes = None
new_hashes = _upload_files(s3, app, all_files, bucket_name, hashes=hashes)
try:
s3.put_object(Bucket=bucket_name,
Key='.file-hashes',
Body=json.dumps(dict(new_hashes)),
ACL='private')
except boto3.exceptions.S3UploadFailedError as e:
logger.warn("Unable to upload file hashes: %s" % e)
else:
_upload_files(s3, app, all_files, bucket_name)
|
python
|
{
"resource": ""
}
|
q4498
|
_expand
|
train
|
def _expand(subsequence, sequence, max_l_dist):
"""Expand a partial match of a Levenstein search.
An expansion must begin at the beginning of the sequence, which makes
this much simpler than a full search, and allows for greater optimization.
"""
# If given a long sub-sequence and relatively small max distance,
# use a more complex algorithm better optimized for such cases.
if len(subsequence) > max(max_l_dist * 2, 10):
return _expand_long(subsequence, sequence, max_l_dist)
else:
return _expand_short(subsequence, sequence, max_l_dist)
|
python
|
{
"resource": ""
}
|
q4499
|
_py_expand_short
|
train
|
def _py_expand_short(subsequence, sequence, max_l_dist):
"""Straightforward implementation of partial match expansion."""
# The following diagram shows the score calculation step.
#
# Each new score is the minimum of:
# * a OR a + 1 (substitution, if needed)
# * b + 1 (deletion, i.e. skipping a sequence character)
# * c + 1 (insertion, i.e. skipping a sub-sequence character)
#
# a -- +1 -> c
#
# | \ |
# | \ |
# +1 +1? +1
# | \ |
# v ⌟ v
#
# b -- +1 -> scores[subseq_index]
subseq_len = len(subsequence)
if subseq_len == 0:
return (0, 0)
# Initialize the scores array with values for just skipping sub-sequence
# chars.
scores = list(range(1, subseq_len + 1))
min_score = subseq_len
min_score_idx = -1
for seq_index, char in enumerate(sequence):
# calculate scores, one for each character in the sub-sequence
a = seq_index
c = a + 1
for subseq_index in range(subseq_len):
b = scores[subseq_index]
c = scores[subseq_index] = min(
a + (char != subsequence[subseq_index]),
b + 1,
c + 1,
)
a = b
# keep the minimum score found for matches of the entire sub-sequence
if c <= min_score:
min_score = c
min_score_idx = seq_index
# bail early when it is impossible to find a better expansion
elif min(scores) >= min_score:
break
return (min_score, min_score_idx + 1) if min_score <= max_l_dist else (None, None)
|
python
|
{
"resource": ""
}
|
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