mirror of
https://github.com/janeczku/calibre-web
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73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
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from __future__ import absolute_import
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from base64 import b64encode
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from ..packages.six import b
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ACCEPT_ENCODING = 'gzip,deflate'
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def make_headers(keep_alive=None, accept_encoding=None, user_agent=None,
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basic_auth=None, proxy_basic_auth=None, disable_cache=None):
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"""
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Shortcuts for generating request headers.
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:param keep_alive:
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If ``True``, adds 'connection: keep-alive' header.
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:param accept_encoding:
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Can be a boolean, list, or string.
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``True`` translates to 'gzip,deflate'.
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List will get joined by comma.
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String will be used as provided.
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:param user_agent:
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String representing the user-agent you want, such as
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"python-urllib3/0.6"
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:param basic_auth:
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Colon-separated username:password string for 'authorization: basic ...'
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auth header.
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:param proxy_basic_auth:
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Colon-separated username:password string for 'proxy-authorization: basic ...'
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auth header.
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:param disable_cache:
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If ``True``, adds 'cache-control: no-cache' header.
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Example::
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>>> make_headers(keep_alive=True, user_agent="Batman/1.0")
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{'connection': 'keep-alive', 'user-agent': 'Batman/1.0'}
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>>> make_headers(accept_encoding=True)
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{'accept-encoding': 'gzip,deflate'}
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"""
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headers = {}
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if accept_encoding:
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if isinstance(accept_encoding, str):
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pass
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elif isinstance(accept_encoding, list):
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accept_encoding = ','.join(accept_encoding)
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else:
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accept_encoding = ACCEPT_ENCODING
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headers['accept-encoding'] = accept_encoding
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if user_agent:
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headers['user-agent'] = user_agent
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if keep_alive:
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headers['connection'] = 'keep-alive'
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if basic_auth:
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headers['authorization'] = 'Basic ' + \
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b64encode(b(basic_auth)).decode('utf-8')
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if proxy_basic_auth:
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headers['proxy-authorization'] = 'Basic ' + \
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b64encode(b(proxy_basic_auth)).decode('utf-8')
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if disable_cache:
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headers['cache-control'] = 'no-cache'
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return headers
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