revert to older requests version

lib/requests/__init__.py

@@ -6,7 +6,7 @@
 #          /
 
 """
-Requests HTTP Library
+Requests HTTP library
 ~~~~~~~~~~~~~~~~~~~~~
 
 Requests is an HTTP library, written in Python, for human beings. Basic GET
@@ -22,7 +22,7 @@ usage:
 ... or POST:
 
    >>> payload = dict(key1='value1', key2='value2')
-   >>> r = requests.post('https://httpbin.org/post', data=payload)
+   >>> r = requests.post('http://httpbin.org/post', data=payload)
    >>> print(r.text)
    {
      ...
@@ -36,96 +36,42 @@ usage:
 The other HTTP methods are supported - see `requests.api`. Full documentation
 is at <http://python-requests.org>.
 
-:copyright: (c) 2017 by Kenneth Reitz.
+:copyright: (c) 2015 by Kenneth Reitz.
 :license: Apache 2.0, see LICENSE for more details.
+
 """
 
-import urllib3
-import chardet
-import warnings
-from .exceptions import RequestsDependencyWarning
-
-
-def check_compatibility(urllib3_version, chardet_version):
-    urllib3_version = urllib3_version.split('.')
-    assert urllib3_version != ['dev']  # Verify urllib3 isn't installed from git.
-
-    # Sometimes, urllib3 only reports its version as 16.1.
-    if len(urllib3_version) == 2:
-        urllib3_version.append('0')
-
-    # Check urllib3 for compatibility.
-    major, minor, patch = urllib3_version  # noqa: F811
-    major, minor, patch = int(major), int(minor), int(patch)
-    # urllib3 >= 1.21.1, <= 1.25
-    assert major == 1
-    assert minor >= 21
-    assert minor <= 25
-
-    # Check chardet for compatibility.
-    major, minor, patch = chardet_version.split('.')[:3]
-    major, minor, patch = int(major), int(minor), int(patch)
-    # chardet >= 3.0.2, < 3.1.0
-    assert major == 3
-    assert minor < 1
-    assert patch >= 2
-
-
-def _check_cryptography(cryptography_version):
-    # cryptography < 1.3.4
-    try:
-        cryptography_version = list(map(int, cryptography_version.split('.')))
-    except ValueError:
-        return
-
-    if cryptography_version < [1, 3, 4]:
-        warning = 'Old version of cryptography ({}) may cause slowdown.'.format(cryptography_version)
-        warnings.warn(warning, RequestsDependencyWarning)
-
-# Check imported dependencies for compatibility.
-try:
-    check_compatibility(urllib3.__version__, chardet.__version__)
-except (AssertionError, ValueError):
-    warnings.warn("urllib3 ({}) or chardet ({}) doesn't match a supported "
-                  "version!".format(urllib3.__version__, chardet.__version__),
-                  RequestsDependencyWarning)
+__title__ = 'requests'
+__version__ = '2.7.0'
+__build__ = 0x020700
+__author__ = 'Kenneth Reitz'
+__license__ = 'Apache 2.0'
+__copyright__ = 'Copyright 2015 Kenneth Reitz'
 
 # Attempt to enable urllib3's SNI support, if possible
 try:
-    from urllib3.contrib import pyopenssl
+    from .packages.urllib3.contrib import pyopenssl
     pyopenssl.inject_into_urllib3()
-
-    # Check cryptography version
-    from cryptography import __version__ as cryptography_version
-    _check_cryptography(cryptography_version)
 except ImportError:
     pass
 
-# urllib3's DependencyWarnings should be silenced.
-from urllib3.exceptions import DependencyWarning
-warnings.simplefilter('ignore', DependencyWarning)
-
-from .__version__ import __title__, __description__, __url__, __version__
-from .__version__ import __build__, __author__, __author_email__, __license__
-from .__version__ import __copyright__, __cake__
-
 from . import utils
-from . import packages
 from .models import Request, Response, PreparedRequest
 from .api import request, get, head, post, patch, put, delete, options
 from .sessions import session, Session
 from .status_codes import codes
 from .exceptions import (
     RequestException, Timeout, URLRequired,
-    TooManyRedirects, HTTPError, ConnectionError,
-    FileModeWarning, ConnectTimeout, ReadTimeout
+    TooManyRedirects, HTTPError, ConnectionError
 )
 
 # Set default logging handler to avoid "No handler found" warnings.
 import logging
-from logging import NullHandler
+try:  # Python 2.7+
+    from logging import NullHandler
+except ImportError:
+    class NullHandler(logging.Handler):
+        def emit(self, record):
+            pass
 
 logging.getLogger(__name__).addHandler(NullHandler())
-
-# FileModeWarnings go off per the default.
-warnings.simplefilter('default', FileModeWarning, append=True)