Added support for multiple tags on a single model

This commit is contained in:
jeffser
2024-05-18 15:52:50 -06:00
parent 8ddce304b2
commit 02acbb2d70
571 changed files with 76910 additions and 127 deletions

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from __future__ import annotations
import binascii
import codecs
import os
import typing
from io import BytesIO
from .fields import _TYPE_FIELD_VALUE_TUPLE, RequestField
writer = codecs.lookup("utf-8")[3]
_TYPE_FIELDS_SEQUENCE = typing.Sequence[
typing.Union[typing.Tuple[str, _TYPE_FIELD_VALUE_TUPLE], RequestField]
]
_TYPE_FIELDS = typing.Union[
_TYPE_FIELDS_SEQUENCE,
typing.Mapping[str, _TYPE_FIELD_VALUE_TUPLE],
]
def choose_boundary() -> str:
"""
Our embarrassingly-simple replacement for mimetools.choose_boundary.
"""
return binascii.hexlify(os.urandom(16)).decode()
def iter_field_objects(fields: _TYPE_FIELDS) -> typing.Iterable[RequestField]:
"""
Iterate over fields.
Supports list of (k, v) tuples and dicts, and lists of
:class:`~urllib3.fields.RequestField`.
"""
iterable: typing.Iterable[RequestField | tuple[str, _TYPE_FIELD_VALUE_TUPLE]]
if isinstance(fields, typing.Mapping):
iterable = fields.items()
else:
iterable = fields
for field in iterable:
if isinstance(field, RequestField):
yield field
else:
yield RequestField.from_tuples(*field)
def encode_multipart_formdata(
fields: _TYPE_FIELDS, boundary: str | None = None
) -> tuple[bytes, str]:
"""
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`).
Values are processed by :func:`urllib3.fields.RequestField.from_tuples`.
: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(f"--{boundary}\r\n".encode("latin-1"))
writer(body).write(field.render_headers())
data = field.data
if isinstance(data, int):
data = str(data) # Backwards compatibility
if isinstance(data, str):
writer(body).write(data)
else:
body.write(data)
body.write(b"\r\n")
body.write(f"--{boundary}--\r\n".encode("latin-1"))
content_type = f"multipart/form-data; boundary={boundary}"
return body.getvalue(), content_type

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"""
requests._internal_utils
~~~~~~~~~~~~~~
Provides utility functions that are consumed internally by Requests
which depend on extremely few external helpers (such as compat)
"""
import re
from .compat import builtin_str
_VALID_HEADER_NAME_RE_BYTE = re.compile(rb"^[^:\s][^:\r\n]*$")
_VALID_HEADER_NAME_RE_STR = re.compile(r"^[^:\s][^:\r\n]*$")
_VALID_HEADER_VALUE_RE_BYTE = re.compile(rb"^\S[^\r\n]*$|^$")
_VALID_HEADER_VALUE_RE_STR = re.compile(r"^\S[^\r\n]*$|^$")
_HEADER_VALIDATORS_STR = (_VALID_HEADER_NAME_RE_STR, _VALID_HEADER_VALUE_RE_STR)
_HEADER_VALIDATORS_BYTE = (_VALID_HEADER_NAME_RE_BYTE, _VALID_HEADER_VALUE_RE_BYTE)
HEADER_VALIDATORS = {
bytes: _HEADER_VALIDATORS_BYTE,
str: _HEADER_VALIDATORS_STR,
}
def to_native_string(string, encoding="ascii"):
"""Given a string object, regardless of type, returns a representation of
that string in the native string type, encoding and decoding where
necessary. This assumes ASCII unless told otherwise.
"""
if isinstance(string, builtin_str):
out = string
else:
out = string.decode(encoding)
return out
def unicode_is_ascii(u_string):
"""Determine if unicode string only contains ASCII characters.
:param str u_string: unicode string to check. Must be unicode
and not Python 2 `str`.
:rtype: bool
"""
assert isinstance(u_string, str)
try:
u_string.encode("ascii")
return True
except UnicodeEncodeError:
return False