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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
contrib	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
packages	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
util	[ DIR ]	drwxr-xr-x	2025-04-07 20:15
__init__.py	3.25 KB	-rw-r--r--	2022-08-22 13:18
_collections.py	11.08 KB	-rw-r--r--	2024-12-21 14:28
_version.py	64 B	-rw-r--r--	2022-08-22 13:18
connection.py	19.57 KB	-rw-r--r--	2024-12-21 14:28
connectionpool.py	38.55 KB	-rw-r--r--	2024-12-21 14:28
exceptions.py	8.01 KB	-rw-r--r--	2024-12-21 14:28
fields.py	8.36 KB	-rw-r--r--	2024-12-21 14:28
filepost.py	2.36 KB	-rw-r--r--	2024-12-21 14:28
poolmanager.py	19.53 KB	-rw-r--r--	2024-12-21 14:28
request.py	5.83 KB	-rw-r--r--	2024-12-21 14:28
response.py	29.51 KB	-rw-r--r--	2024-12-21 14:28

Rename

from __future__ import absolute_import

import binascii
import codecs
import os
from io import BytesIO

from .fields import RequestField
import six
from six import b

writer = codecs.lookup("utf-8")[3]

def choose_boundary():
    """
    Our embarrassingly-simple replacement for mimetools.choose_boundary.
    """
    boundary = binascii.hexlify(os.urandom(16))
    if not six.PY2:
        boundary = boundary.decode("ascii")
    return boundary

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:`urllib3.filepost.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