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Viewing changes to .tox/py35/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/filepost.py

  • Committer: Ankammarao
  • Date: 2017-03-06 05:11:42 UTC
  • Revision ID: achittet@in.ibm.com-20170306051142-dpg27z4es1k56hfn
Marked tests folder executable

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.tox/py35/lib/python3.5/site-packages/pip/_vendor/requests/packages/urllib3/filepost.py
 
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from __future__ import absolute_import
 
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import codecs
 
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from uuid import uuid4
 
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from io import BytesIO
 
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from .packages import six
 
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from .packages.six import b
 
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from .fields import RequestField
 
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writer = codecs.lookup('utf-8')[3]
 
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def choose_boundary():
 
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    """
 
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    Our embarassingly-simple replacement for mimetools.choose_boundary.
 
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    """
 
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    return uuid4().hex
 
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def iter_field_objects(fields):
 
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    """
 
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    Iterate over fields.
 
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    Supports list of (k, v) tuples and dicts, and lists of
 
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    :class:`~urllib3.fields.RequestField`.
 
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    """
 
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    if isinstance(fields, dict):
 
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        i = six.iteritems(fields)
 
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    else:
 
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        i = iter(fields)
 
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    for field in i:
 
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        if isinstance(field, RequestField):
 
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            yield field
 
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        else:
 
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            yield RequestField.from_tuples(*field)
 
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def iter_fields(fields):
 
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    """
 
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    .. deprecated:: 1.6
 
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    Iterate over fields.
 
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    The addition of :class:`~urllib3.fields.RequestField` makes this function
 
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    obsolete. Instead, use :func:`iter_field_objects`, which returns
 
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    :class:`~urllib3.fields.RequestField` objects.
 
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    Supports list of (k, v) tuples and dicts.
 
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    """
 
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    if isinstance(fields, dict):
 
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        return ((k, v) for k, v in six.iteritems(fields))
 
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    return ((k, v) for k, v in fields)
 
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def encode_multipart_formdata(fields, boundary=None):
 
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    """
 
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    Encode a dictionary of ``fields`` using the multipart/form-data MIME format.
 
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    :param fields:
 
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        Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).
 
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    :param boundary:
 
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        If not specified, then a random boundary will be generated using
 
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        :func:`mimetools.choose_boundary`.
 
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    """
 
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    body = BytesIO()
 
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    if boundary is None:
 
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        boundary = choose_boundary()
 
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    for field in iter_field_objects(fields):
 
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        body.write(b('--%s\r\n' % (boundary)))
 
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        writer(body).write(field.render_headers())
 
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        data = field.data
 
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        if isinstance(data, int):
 
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            data = str(data)  # Backwards compatibility
 
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        if isinstance(data, six.text_type):
 
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            writer(body).write(data)
 
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        else:
 
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            body.write(data)
 
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        body.write(b'\r\n')
 
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    body.write(b('--%s--\r\n' % (boundary)))
 
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    content_type = str('multipart/form-data; boundary=%s' % boundary)
 
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    return body.getvalue(), content_type