Added delete option to database storage.

venv/Lib/site-packages/requests/__init__.py

@@ -6,61 +6,119 @@
 #          /
 
 """
-Requests HTTP library
+Requests HTTP Library
 ~~~~~~~~~~~~~~~~~~~~~
 
-Requests is an HTTP library, written in Python, for human beings. Basic GET
-usage:
+Requests is an HTTP library, written in Python, for human beings.
+Basic GET usage:
 
    >>> import requests
    >>> r = requests.get('https://www.python.org')
    >>> r.status_code
    200
-   >>> 'Python is a programming language' in r.content
+   >>> b'Python is a programming language' in r.content
    True
 
 ... or POST:
 
    >>> payload = dict(key1='value1', key2='value2')
-   >>> r = requests.post('http://httpbin.org/post', data=payload)
+   >>> r = requests.post('https://httpbin.org/post', data=payload)
    >>> print(r.text)
    {
      ...
      "form": {
-       "key2": "value2",
-       "key1": "value1"
+       "key1": "value1",
+       "key2": "value2"
      },
      ...
    }
 
 The other HTTP methods are supported - see `requests.api`. Full documentation
-is at <http://python-requests.org>.
+is at <https://requests.readthedocs.io>.
 
-:copyright: (c) 2016 by Kenneth Reitz.
+:copyright: (c) 2017 by Kenneth Reitz.
 :license: Apache 2.0, see LICENSE for more details.
 """
 
-__title__ = 'requests'
-__version__ = '2.11.1'
-__build__ = 0x021101
-__author__ = 'Kenneth Reitz'
-__license__ = 'Apache 2.0'
-__copyright__ = 'Copyright 2016 Kenneth Reitz'
+import urllib3
+import chardet
+import warnings
+from .exceptions import RequestsDependencyWarning
 
-# Attempt to enable urllib3's SNI support, if possible
+
+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:
-    from .packages.urllib3.contrib import pyopenssl
-    pyopenssl.inject_into_urllib3()
+    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)
+
+# Attempt to enable urllib3's fallback for SNI support
+# if the standard library doesn't support SNI or the
+# 'ssl' library isn't available.
+try:
+    try:
+        import ssl
+    except ImportError:
+        ssl = None
+
+    if not getattr(ssl, "HAS_SNI", False):
+        from 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
 
-import warnings
-
 # urllib3's DependencyWarnings should be silenced.
-from .packages.urllib3.exceptions import DependencyWarning
+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
@@ -73,12 +131,7 @@ from .exceptions import (
 
 # Set default logging handler to avoid "No handler found" warnings.
 import logging
-try:  # Python 2.7+
-    from logging import NullHandler
-except ImportError:
-    class NullHandler(logging.Handler):
-        def emit(self, record):
-            pass
+from logging import NullHandler
 
 logging.getLogger(__name__).addHandler(NullHandler())