本文整理匯總了Python中requests.adapters.HTTPAdapter.poolmanager方法的典型用法代碼示例。如果您正苦於以下問題：Python HTTPAdapter.poolmanager方法的具體用法？Python HTTPAdapter.poolmanager怎麽用？Python HTTPAdapter.poolmanager使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類requests.adapters.HTTPAdapter的用法示例。
在下文中一共展示了HTTPAdapter.poolmanager方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: download_result_file
# 需要導入模塊: from requests.adapters import HTTPAdapter [as 別名]
# 或者: from requests.adapters.HTTPAdapter import poolmanager [as 別名]
def download_result_file(url, result_file_directory, result_file_name, decompress, overwrite):
""" Download file with specified URL and download parameters.
:param result_file_directory: The download result local directory name.
:type result_file_directory: str
:param result_file_name: The download result local file name.
:type result_file_name: str
:param decompress: Determines whether to decompress the ZIP file.
If set to true, the file will be decompressed after download.
The default value is false, in which case the downloaded file is not decompressed.
:type decompress: bool
:param overwrite: Indicates whether the result file should overwrite the existing file if any.
:type overwrite: bool
:return: The download file path.
:rtype: str
"""
if result_file_directory is None:
raise ValueError('result_file_directory cannot be None.')
if result_file_name is None:
result_file_name="default_file_name"
if decompress:
name, ext=os.path.splitext(result_file_name)
if ext == '.zip':
raise ValueError("Result file can't be decompressed into a file with extension 'zip'."
" Please change the extension of the result_file_name or pass decompress=false")
zip_file_path=os.path.join(result_file_directory, name + '.zip')
result_file_path=os.path.join(result_file_directory, result_file_name)
else:
result_file_path=os.path.join(result_file_directory, result_file_name)
zip_file_path=result_file_path
if os.path.exists(result_file_path) and overwrite is False:
if six.PY3:
raise FileExistsError('Result file: {0} exists'.format(result_file_path))
else:
raise OSError('Result file: {0} exists'.format(result_file_path))
pool_manager=PoolManager(
ssl_version=ssl.PROTOCOL_SSLv3,
)
http_adapter=HTTPAdapter()
http_adapter.poolmanager=pool_manager
s=requests.Session()
s.mount('https://', http_adapter)
r=s.get(url, stream=True, verify=True)
r.raise_for_status()
try:
with open(zip_file_path, 'wb') as f:
for chunk in r.iter_content(chunk_size=4096):
if chunk:
f.write(chunk)
f.flush()
if decompress:
with contextlib.closing(zipfile.ZipFile(zip_file_path)) as compressed:
first=compressed.namelist()[0]
with open(result_file_path, 'wb') as f:
f.write(compressed.read(first))
except Exception as ex:
raise ex
finally:
if decompress and os.path.exists(zip_file_path):
os.remove(zip_file_path)
return result_file_path