mirror of
https://github.com/microsoft/PowerToys.git
synced 2024-12-15 20:19:17 +08:00
101 lines
2.5 KiB
Python
101 lines
2.5 KiB
Python
# urllib3/filepost.py
|
|
# Copyright 2008-2013 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
|
|
#
|
|
# This module is part of urllib3 and is released under
|
|
# the MIT License: http://www.opensource.org/licenses/mit-license.php
|
|
|
|
import codecs
|
|
import mimetypes
|
|
|
|
from uuid import uuid4
|
|
from io import BytesIO
|
|
|
|
from .packages import six
|
|
from .packages.six import b
|
|
from .fields import RequestField
|
|
|
|
writer = codecs.lookup('utf-8')[3]
|
|
|
|
|
|
def choose_boundary():
|
|
"""
|
|
Our embarassingly-simple replacement for mimetools.choose_boundary.
|
|
"""
|
|
return uuid4().hex
|
|
|
|
|
|
def iter_field_objects(fields):
|
|
"""
|
|
Iterate over fields.
|
|
|
|
Supports list of (k, v) tuples and dicts, and lists of
|
|
:class:`~urllib3.fields.RequestField`.
|
|
|
|
"""
|
|
if isinstance(fields, dict):
|
|
i = six.iteritems(fields)
|
|
else:
|
|
i = iter(fields)
|
|
|
|
for field in i:
|
|
if isinstance(field, RequestField):
|
|
yield field
|
|
else:
|
|
yield RequestField.from_tuples(*field)
|
|
|
|
|
|
def iter_fields(fields):
|
|
"""
|
|
.. deprecated:: 1.6
|
|
|
|
Iterate over fields.
|
|
|
|
The addition of :class:`~urllib3.fields.RequestField` makes this function
|
|
obsolete. Instead, use :func:`iter_field_objects`, which returns
|
|
:class:`~urllib3.fields.RequestField` objects.
|
|
|
|
Supports list of (k, v) tuples and dicts.
|
|
"""
|
|
if isinstance(fields, dict):
|
|
return ((k, v) for k, v in six.iteritems(fields))
|
|
|
|
return ((k, v) for k, v in fields)
|
|
|
|
|
|
def encode_multipart_formdata(fields, boundary=None):
|
|
"""
|
|
Encode a dictionary of ``fields`` using the multipart/form-data MIME format.
|
|
|
|
:param fields:
|
|
Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`).
|
|
|
|
:param boundary:
|
|
If not specified, then a random boundary will be generated using
|
|
:func:`mimetools.choose_boundary`.
|
|
"""
|
|
body = BytesIO()
|
|
if boundary is None:
|
|
boundary = choose_boundary()
|
|
|
|
for field in iter_field_objects(fields):
|
|
body.write(b('--%s\r\n' % (boundary)))
|
|
|
|
writer(body).write(field.render_headers())
|
|
data = field.data
|
|
|
|
if isinstance(data, int):
|
|
data = str(data) # Backwards compatibility
|
|
|
|
if isinstance(data, six.text_type):
|
|
writer(body).write(data)
|
|
else:
|
|
body.write(data)
|
|
|
|
body.write(b'\r\n')
|
|
|
|
body.write(b('--%s--\r\n' % (boundary)))
|
|
|
|
content_type = str('multipart/form-data; boundary=%s' % boundary)
|
|
|
|
return body.getvalue(), content_type
|