bbf6d9b026
Bugfix for feeds
- removed categories related and up
- load new books now working
- category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
541 lines
18 KiB
Python
541 lines
18 KiB
Python
# -*- coding: utf-8 -*-
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"""
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requests.cookies
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~~~~~~~~~~~~~~~~
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Compatibility code to be able to use `cookielib.CookieJar` with requests.
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requests.utils imports from here, so be careful with imports.
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"""
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import copy
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import time
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import calendar
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import collections
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from .compat import cookielib, urlparse, urlunparse, Morsel
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try:
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import threading
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# grr, pyflakes: this fixes "redefinition of unused 'threading'"
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threading
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except ImportError:
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import dummy_threading as threading
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class MockRequest(object):
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"""Wraps a `requests.Request` to mimic a `urllib2.Request`.
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The code in `cookielib.CookieJar` expects this interface in order to correctly
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manage cookie policies, i.e., determine whether a cookie can be set, given the
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domains of the request and the cookie.
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The original request object is read-only. The client is responsible for collecting
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the new headers via `get_new_headers()` and interpreting them appropriately. You
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probably want `get_cookie_header`, defined below.
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"""
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def __init__(self, request):
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self._r = request
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self._new_headers = {}
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self.type = urlparse(self._r.url).scheme
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def get_type(self):
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return self.type
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def get_host(self):
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return urlparse(self._r.url).netloc
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def get_origin_req_host(self):
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return self.get_host()
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def get_full_url(self):
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# Only return the response's URL if the user hadn't set the Host
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# header
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if not self._r.headers.get('Host'):
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return self._r.url
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# If they did set it, retrieve it and reconstruct the expected domain
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host = self._r.headers['Host']
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parsed = urlparse(self._r.url)
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# Reconstruct the URL as we expect it
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return urlunparse([
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parsed.scheme, host, parsed.path, parsed.params, parsed.query,
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parsed.fragment
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])
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def is_unverifiable(self):
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return True
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def has_header(self, name):
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return name in self._r.headers or name in self._new_headers
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def get_header(self, name, default=None):
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return self._r.headers.get(name, self._new_headers.get(name, default))
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def add_header(self, key, val):
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"""cookielib has no legitimate use for this method; add it back if you find one."""
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raise NotImplementedError("Cookie headers should be added with add_unredirected_header()")
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def add_unredirected_header(self, name, value):
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self._new_headers[name] = value
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def get_new_headers(self):
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return self._new_headers
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@property
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def unverifiable(self):
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return self.is_unverifiable()
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@property
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def origin_req_host(self):
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return self.get_origin_req_host()
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@property
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def host(self):
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return self.get_host()
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class MockResponse(object):
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"""Wraps a `httplib.HTTPMessage` to mimic a `urllib.addinfourl`.
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...what? Basically, expose the parsed HTTP headers from the server response
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the way `cookielib` expects to see them.
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"""
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def __init__(self, headers):
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"""Make a MockResponse for `cookielib` to read.
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:param headers: a httplib.HTTPMessage or analogous carrying the headers
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"""
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self._headers = headers
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def info(self):
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return self._headers
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def getheaders(self, name):
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self._headers.getheaders(name)
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def extract_cookies_to_jar(jar, request, response):
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"""Extract the cookies from the response into a CookieJar.
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:param jar: cookielib.CookieJar (not necessarily a RequestsCookieJar)
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:param request: our own requests.Request object
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:param response: urllib3.HTTPResponse object
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"""
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if not (hasattr(response, '_original_response') and
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response._original_response):
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return
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# the _original_response field is the wrapped httplib.HTTPResponse object,
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req = MockRequest(request)
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# pull out the HTTPMessage with the headers and put it in the mock:
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res = MockResponse(response._original_response.msg)
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jar.extract_cookies(res, req)
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def get_cookie_header(jar, request):
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"""
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Produce an appropriate Cookie header string to be sent with `request`, or None.
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:rtype: str
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"""
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r = MockRequest(request)
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jar.add_cookie_header(r)
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return r.get_new_headers().get('Cookie')
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def remove_cookie_by_name(cookiejar, name, domain=None, path=None):
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"""Unsets a cookie by name, by default over all domains and paths.
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Wraps CookieJar.clear(), is O(n).
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"""
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clearables = []
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for cookie in cookiejar:
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if cookie.name != name:
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continue
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if domain is not None and domain != cookie.domain:
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continue
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if path is not None and path != cookie.path:
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continue
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clearables.append((cookie.domain, cookie.path, cookie.name))
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for domain, path, name in clearables:
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cookiejar.clear(domain, path, name)
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class CookieConflictError(RuntimeError):
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"""There are two cookies that meet the criteria specified in the cookie jar.
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Use .get and .set and include domain and path args in order to be more specific.
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"""
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class RequestsCookieJar(cookielib.CookieJar, collections.MutableMapping):
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"""Compatibility class; is a cookielib.CookieJar, but exposes a dict
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interface.
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This is the CookieJar we create by default for requests and sessions that
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don't specify one, since some clients may expect response.cookies and
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session.cookies to support dict operations.
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Requests does not use the dict interface internally; it's just for
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compatibility with external client code. All requests code should work
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out of the box with externally provided instances of ``CookieJar``, e.g.
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``LWPCookieJar`` and ``FileCookieJar``.
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Unlike a regular CookieJar, this class is pickleable.
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.. warning:: dictionary operations that are normally O(1) may be O(n).
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"""
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def get(self, name, default=None, domain=None, path=None):
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"""Dict-like get() that also supports optional domain and path args in
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order to resolve naming collisions from using one cookie jar over
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multiple domains.
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.. warning:: operation is O(n), not O(1).
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"""
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try:
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return self._find_no_duplicates(name, domain, path)
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except KeyError:
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return default
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def set(self, name, value, **kwargs):
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"""Dict-like set() that also supports optional domain and path args in
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order to resolve naming collisions from using one cookie jar over
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multiple domains.
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"""
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# support client code that unsets cookies by assignment of a None value:
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if value is None:
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remove_cookie_by_name(self, name, domain=kwargs.get('domain'), path=kwargs.get('path'))
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return
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if isinstance(value, Morsel):
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c = morsel_to_cookie(value)
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else:
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c = create_cookie(name, value, **kwargs)
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self.set_cookie(c)
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return c
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def iterkeys(self):
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"""Dict-like iterkeys() that returns an iterator of names of cookies
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from the jar.
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.. seealso:: itervalues() and iteritems().
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"""
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for cookie in iter(self):
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yield cookie.name
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def keys(self):
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"""Dict-like keys() that returns a list of names of cookies from the
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jar.
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.. seealso:: values() and items().
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"""
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return list(self.iterkeys())
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def itervalues(self):
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"""Dict-like itervalues() that returns an iterator of values of cookies
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from the jar.
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.. seealso:: iterkeys() and iteritems().
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"""
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for cookie in iter(self):
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yield cookie.value
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def values(self):
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"""Dict-like values() that returns a list of values of cookies from the
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jar.
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.. seealso:: keys() and items().
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"""
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return list(self.itervalues())
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def iteritems(self):
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"""Dict-like iteritems() that returns an iterator of name-value tuples
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from the jar.
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.. seealso:: iterkeys() and itervalues().
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"""
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for cookie in iter(self):
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yield cookie.name, cookie.value
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def items(self):
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"""Dict-like items() that returns a list of name-value tuples from the
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jar. Allows client-code to call ``dict(RequestsCookieJar)`` and get a
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vanilla python dict of key value pairs.
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.. seealso:: keys() and values().
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"""
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return list(self.iteritems())
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def list_domains(self):
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"""Utility method to list all the domains in the jar."""
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domains = []
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for cookie in iter(self):
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if cookie.domain not in domains:
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domains.append(cookie.domain)
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return domains
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def list_paths(self):
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"""Utility method to list all the paths in the jar."""
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paths = []
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for cookie in iter(self):
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if cookie.path not in paths:
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paths.append(cookie.path)
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return paths
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def multiple_domains(self):
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"""Returns True if there are multiple domains in the jar.
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Returns False otherwise.
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:rtype: bool
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"""
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domains = []
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for cookie in iter(self):
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if cookie.domain is not None and cookie.domain in domains:
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return True
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domains.append(cookie.domain)
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return False # there is only one domain in jar
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def get_dict(self, domain=None, path=None):
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"""Takes as an argument an optional domain and path and returns a plain
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old Python dict of name-value pairs of cookies that meet the
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requirements.
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:rtype: dict
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"""
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dictionary = {}
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for cookie in iter(self):
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if (domain is None or cookie.domain == domain) and (path is None
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or cookie.path == path):
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dictionary[cookie.name] = cookie.value
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return dictionary
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def __contains__(self, name):
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try:
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return super(RequestsCookieJar, self).__contains__(name)
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except CookieConflictError:
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return True
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def __getitem__(self, name):
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"""Dict-like __getitem__() for compatibility with client code. Throws
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exception if there are more than one cookie with name. In that case,
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use the more explicit get() method instead.
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.. warning:: operation is O(n), not O(1).
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"""
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return self._find_no_duplicates(name)
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def __setitem__(self, name, value):
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"""Dict-like __setitem__ for compatibility with client code. Throws
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exception if there is already a cookie of that name in the jar. In that
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case, use the more explicit set() method instead.
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"""
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self.set(name, value)
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def __delitem__(self, name):
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"""Deletes a cookie given a name. Wraps ``cookielib.CookieJar``'s
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``remove_cookie_by_name()``.
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"""
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remove_cookie_by_name(self, name)
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def set_cookie(self, cookie, *args, **kwargs):
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if hasattr(cookie.value, 'startswith') and cookie.value.startswith('"') and cookie.value.endswith('"'):
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cookie.value = cookie.value.replace('\\"', '')
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return super(RequestsCookieJar, self).set_cookie(cookie, *args, **kwargs)
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def update(self, other):
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"""Updates this jar with cookies from another CookieJar or dict-like"""
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if isinstance(other, cookielib.CookieJar):
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for cookie in other:
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self.set_cookie(copy.copy(cookie))
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else:
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super(RequestsCookieJar, self).update(other)
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def _find(self, name, domain=None, path=None):
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"""Requests uses this method internally to get cookie values.
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If there are conflicting cookies, _find arbitrarily chooses one.
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See _find_no_duplicates if you want an exception thrown if there are
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conflicting cookies.
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:param name: a string containing name of cookie
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:param domain: (optional) string containing domain of cookie
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:param path: (optional) string containing path of cookie
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:return: cookie.value
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"""
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for cookie in iter(self):
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if cookie.name == name:
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if domain is None or cookie.domain == domain:
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if path is None or cookie.path == path:
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return cookie.value
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raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path))
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def _find_no_duplicates(self, name, domain=None, path=None):
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"""Both ``__get_item__`` and ``get`` call this function: it's never
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used elsewhere in Requests.
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:param name: a string containing name of cookie
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:param domain: (optional) string containing domain of cookie
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:param path: (optional) string containing path of cookie
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:raises KeyError: if cookie is not found
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:raises CookieConflictError: if there are multiple cookies
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that match name and optionally domain and path
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:return: cookie.value
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"""
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toReturn = None
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for cookie in iter(self):
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if cookie.name == name:
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if domain is None or cookie.domain == domain:
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if path is None or cookie.path == path:
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if toReturn is not None: # if there are multiple cookies that meet passed in criteria
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raise CookieConflictError('There are multiple cookies with name, %r' % (name))
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toReturn = cookie.value # we will eventually return this as long as no cookie conflict
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if toReturn:
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return toReturn
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raise KeyError('name=%r, domain=%r, path=%r' % (name, domain, path))
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def __getstate__(self):
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"""Unlike a normal CookieJar, this class is pickleable."""
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state = self.__dict__.copy()
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# remove the unpickleable RLock object
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state.pop('_cookies_lock')
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return state
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def __setstate__(self, state):
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"""Unlike a normal CookieJar, this class is pickleable."""
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self.__dict__.update(state)
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if '_cookies_lock' not in self.__dict__:
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self._cookies_lock = threading.RLock()
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def copy(self):
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"""Return a copy of this RequestsCookieJar."""
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new_cj = RequestsCookieJar()
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new_cj.update(self)
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return new_cj
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def _copy_cookie_jar(jar):
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if jar is None:
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return None
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if hasattr(jar, 'copy'):
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# We're dealing with an instance of RequestsCookieJar
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return jar.copy()
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# We're dealing with a generic CookieJar instance
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new_jar = copy.copy(jar)
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new_jar.clear()
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for cookie in jar:
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new_jar.set_cookie(copy.copy(cookie))
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return new_jar
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def create_cookie(name, value, **kwargs):
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"""Make a cookie from underspecified parameters.
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By default, the pair of `name` and `value` will be set for the domain ''
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and sent on every request (this is sometimes called a "supercookie").
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"""
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result = dict(
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version=0,
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name=name,
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value=value,
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port=None,
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domain='',
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path='/',
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secure=False,
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expires=None,
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discard=True,
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comment=None,
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comment_url=None,
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rest={'HttpOnly': None},
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rfc2109=False,)
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badargs = set(kwargs) - set(result)
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if badargs:
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err = 'create_cookie() got unexpected keyword arguments: %s'
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raise TypeError(err % list(badargs))
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result.update(kwargs)
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result['port_specified'] = bool(result['port'])
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result['domain_specified'] = bool(result['domain'])
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result['domain_initial_dot'] = result['domain'].startswith('.')
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result['path_specified'] = bool(result['path'])
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return cookielib.Cookie(**result)
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def morsel_to_cookie(morsel):
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"""Convert a Morsel object into a Cookie containing the one k/v pair."""
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expires = None
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if morsel['max-age']:
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try:
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expires = int(time.time() + int(morsel['max-age']))
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except ValueError:
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raise TypeError('max-age: %s must be integer' % morsel['max-age'])
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elif morsel['expires']:
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time_template = '%a, %d-%b-%Y %H:%M:%S GMT'
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expires = calendar.timegm(
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time.strptime(morsel['expires'], time_template)
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)
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return create_cookie(
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comment=morsel['comment'],
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comment_url=bool(morsel['comment']),
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discard=False,
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domain=morsel['domain'],
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expires=expires,
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name=morsel.key,
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path=morsel['path'],
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port=None,
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rest={'HttpOnly': morsel['httponly']},
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rfc2109=False,
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secure=bool(morsel['secure']),
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value=morsel.value,
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version=morsel['version'] or 0,
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)
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def cookiejar_from_dict(cookie_dict, cookiejar=None, overwrite=True):
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"""Returns a CookieJar from a key/value dictionary.
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:param cookie_dict: Dict of key/values to insert into CookieJar.
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:param cookiejar: (optional) A cookiejar to add the cookies to.
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:param overwrite: (optional) If False, will not replace cookies
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already in the jar with new ones.
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"""
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if cookiejar is None:
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cookiejar = RequestsCookieJar()
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if cookie_dict is not None:
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names_from_jar = [cookie.name for cookie in cookiejar]
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for name in cookie_dict:
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if overwrite or (name not in names_from_jar):
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cookiejar.set_cookie(create_cookie(name, cookie_dict[name]))
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return cookiejar
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|
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|
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def merge_cookies(cookiejar, cookies):
|
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"""Add cookies to cookiejar and returns a merged CookieJar.
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|
|
|
:param cookiejar: CookieJar object to add the cookies to.
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:param cookies: Dictionary or CookieJar object to be added.
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"""
|
|
if not isinstance(cookiejar, cookielib.CookieJar):
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raise ValueError('You can only merge into CookieJar')
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|
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if isinstance(cookies, dict):
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cookiejar = cookiejar_from_dict(
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|
cookies, cookiejar=cookiejar, overwrite=False)
|
|
elif isinstance(cookies, cookielib.CookieJar):
|
|
try:
|
|
cookiejar.update(cookies)
|
|
except AttributeError:
|
|
for cookie_in_jar in cookies:
|
|
cookiejar.set_cookie(cookie_in_jar)
|
|
|
|
return cookiejar
|