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thisisanshgupta
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Pycode

Dataset card Data Studio Files Community
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828
@return: the path of the downloaded/copied file
@raise InvenioFileDownloadError: raised upon URL/HTTP errors, file errors or wrong format
""""""
if not download_to_file:
download_to_file = safe_mkstemp(suffix="".tmp"",
prefix=""filedownloadutils_"")
try:
if is_url_a_local_file(url):
downloaded_file = download_local_file(url,
download_to_file)
else:
downloaded_file = download_external_url(url,
download_to_file,
content_type=content_type,
retry_count=retry_count,
timeout=timeout)
except InvenioFileDownloadError:
raise
return downloaded_file"
4797,"def download_external_url(url, download_to_file, content_type=None,
retry_count=10, timeout=10.0, verbose=False):
""""""
Download a url (if it corresponds to a remote file) and return a
local url to it. If format is specified, a check will be performed
in order to make sure that the format of the downloaded file is equal
to the expected format.
@param url: the URL to download
@type url: string
@param download_to_file: the path to download the file to
@type download_to_file: string
@param content_type: the content_type of the file (optional)
@type content_type: string
@param retry_count: max number of retries for downloading the file
@type retry_count: int
@param timeout: time to sleep in between attemps
@type timeout: int
@return: the path to the download local file
@rtype: string
@raise StandardError: if the download failed
""""""
error_str = """"
error_code = None
retry_attempt = 0
while retry_attempt < retry_count:
try:
# Attempt to download the external file
request = open_url(url)
if request.code == 200 and ""Refresh"" in request.headers:
# PDF is being generated, they ask us to wait for
# n seconds.
# New arxiv responses, we are not sure if the old ones are
# deactivated
try:
retry_after = int(request.headers[""Refresh""])
# We make sure that we do not retry too often even if
# they tell us to retry after 1s
retry_after = max(retry_after, timeout)
except ValueError:
retry_after = timeout
if verbose:
msg = ""retrying after %ss"" % (retry_after,)
print >> sys.stderr, msg
time.sleep(retry_after)
retry_attempt += 1
continue
except urllib2.HTTPError as e:
error_code = e.code
error_str = str(e)
retry_after = timeout
# This handling is the same as OAI queries.
# We are getting 503 errors when PDFs are being generated
if e.code == 503 and ""Retry-After"" in e.headers:
# PDF is being generated, they ask us to wait for n seconds
try:
retry_after = int(e.headers[""Retry-After""])
# We make sure that we do not retry too often even if
# they tell us to retry after 1s
retry_after = max(retry_after, timeout)
except ValueError:
pass
if verbose:
msg = ""retrying after %ss"" % (retry_after,)
print >> sys.stderr, msg
time.sleep(retry_after)
retry_attempt += 1
except (urllib2.URLError,
socket.timeout,
socket.gaierror,
socket.error) as e:
if verbose: