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Downgraade urllib3==1.26.16

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JonnyWong16 2023-08-23 21:52:33 -07:00
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267
lib/urllib3/fields.py
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@ -1,20 +1,13 @@
from __future__ import annotations
from __future__ import absolute_import
import email.utils
import mimetypes
import typing
import re
_TYPE_FIELD_VALUE = typing.Union[str, bytes]
_TYPE_FIELD_VALUE_TUPLE = typing.Union[
_TYPE_FIELD_VALUE,
typing.Tuple[str, _TYPE_FIELD_VALUE],
typing.Tuple[str, _TYPE_FIELD_VALUE, str],
]
from .packages import six
def guess_content_type(
filename: str | None, default: str = "application/octet-stream"
) -> str:
def guess_content_type(filename, default="application/octet-stream"):
"""
Guess the "Content-Type" of a file.
@ -28,7 +21,7 @@ def guess_content_type(
return default
def format_header_param_rfc2231(name: str, value: _TYPE_FIELD_VALUE) -> str:
def format_header_param_rfc2231(name, value):
"""
Helper function to format and quote a single header parameter using the
strategy defined in RFC 2231.
@ -41,28 +34,14 @@ def format_header_param_rfc2231(name: str, value: _TYPE_FIELD_VALUE) -> str:
The name of the parameter, a string expected to be ASCII only.
:param value:
The value of the parameter, provided as ``bytes`` or `str``.
:returns:
:ret:
An RFC-2231-formatted unicode string.
.. deprecated:: 2.0.0
Will be removed in urllib3 v2.1.0. This is not valid for
``multipart/form-data`` header parameters.
"""
import warnings
warnings.warn(
"'format_header_param_rfc2231' is deprecated and will be "
"removed in urllib3 v2.1.0. This is not valid for "
"multipart/form-data header parameters.",
DeprecationWarning,
stacklevel=2,
)
if isinstance(value, bytes):
if isinstance(value, six.binary_type):
value = value.decode("utf-8")
if not any(ch in value for ch in '"\\\r\n'):
result = f'{name}="{value}"'
result = u'%s="%s"' % (name, value)
try:
result.encode("ascii")
except (UnicodeEncodeError, UnicodeDecodeError):
@ -70,87 +49,81 @@ def format_header_param_rfc2231(name: str, value: _TYPE_FIELD_VALUE) -> str:
else:
return result
if six.PY2: # Python 2:
value = value.encode("utf-8")
# encode_rfc2231 accepts an encoded string and returns an ascii-encoded
# string in Python 2 but accepts and returns unicode strings in Python 3
value = email.utils.encode_rfc2231(value, "utf-8")
value = f"{name}*={value}"
value = "%s*=%s" % (name, value)
if six.PY2: # Python 2:
value = value.decode("utf-8")
return value
def format_multipart_header_param(name: str, value: _TYPE_FIELD_VALUE) -> str:
_HTML5_REPLACEMENTS = {
u"\u0022": u"%22",
# Replace "\" with "\\".
u"\u005C": u"\u005C\u005C",
}
# All control characters from 0x00 to 0x1F *except* 0x1B.
_HTML5_REPLACEMENTS.update(
{
six.unichr(cc): u"%{:02X}".format(cc)
for cc in range(0x00, 0x1F + 1)
if cc not in (0x1B,)
}
)
def _replace_multiple(value, needles_and_replacements):
def replacer(match):
return needles_and_replacements[match.group(0)]
pattern = re.compile(
r"|".join([re.escape(needle) for needle in needles_and_replacements.keys()])
)
result = pattern.sub(replacer, value)
return result
def format_header_param_html5(name, value):
"""
Format and quote a single multipart header parameter.
Helper function to format and quote a single header parameter using the
HTML5 strategy.
This follows the `WHATWG HTML Standard`_ as of 2021/06/10, matching
the behavior of current browser and curl versions. Values are
assumed to be UTF-8. The ``\\n``, ``\\r``, and ``"`` characters are
percent encoded.
Particularly useful for header parameters which might contain
non-ASCII values, like file names. This follows the `HTML5 Working Draft
Section 4.10.22.7`_ and matches the behavior of curl and modern browsers.
.. _WHATWG HTML Standard:
https://html.spec.whatwg.org/multipage/
form-control-infrastructure.html#multipart-form-data
.. _HTML5 Working Draft Section 4.10.22.7:
https://w3c.github.io/html/sec-forms.html#multipart-form-data
:param name:
The name of the parameter, an ASCII-only ``str``.
The name of the parameter, a string expected to be ASCII only.
:param value:
The value of the parameter, a ``str`` or UTF-8 encoded
``bytes``.
:returns:
A string ``name="value"`` with the escaped value.
.. versionchanged:: 2.0.0
Matches the WHATWG HTML Standard as of 2021/06/10. Control
characters are no longer percent encoded.
.. versionchanged:: 2.0.0
Renamed from ``format_header_param_html5`` and
``format_header_param``. The old names will be removed in
urllib3 v2.1.0.
The value of the parameter, provided as ``bytes`` or `str``.
:ret:
A unicode string, stripped of troublesome characters.
"""
if isinstance(value, bytes):
if isinstance(value, six.binary_type):
value = value.decode("utf-8")
# percent encode \n \r "
value = value.translate({10: "%0A", 13: "%0D", 34: "%22"})
return f'{name}="{value}"'
value = _replace_multiple(value, _HTML5_REPLACEMENTS)
return u'%s="%s"' % (name, value)
def format_header_param_html5(name: str, value: _TYPE_FIELD_VALUE) -> str:
"""
.. deprecated:: 2.0.0
Renamed to :func:`format_multipart_header_param`. Will be
removed in urllib3 v2.1.0.
"""
import warnings
warnings.warn(
"'format_header_param_html5' has been renamed to "
"'format_multipart_header_param'. The old name will be "
"removed in urllib3 v2.1.0.",
DeprecationWarning,
stacklevel=2,
)
return format_multipart_header_param(name, value)
# For backwards-compatibility.
format_header_param = format_header_param_html5
def format_header_param(name: str, value: _TYPE_FIELD_VALUE) -> str:
"""
.. deprecated:: 2.0.0
Renamed to :func:`format_multipart_header_param`. Will be
removed in urllib3 v2.1.0.
"""
import warnings
warnings.warn(
"'format_header_param' has been renamed to "
"'format_multipart_header_param'. The old name will be "
"removed in urllib3 v2.1.0.",
DeprecationWarning,
stacklevel=2,
)
return format_multipart_header_param(name, value)
class RequestField:
class RequestField(object):
"""
A data container for request body parameters.
@ -162,47 +135,29 @@ class RequestField:
An optional filename of the request field. Must be unicode.
:param headers:
An optional dict-like object of headers to initially use for the field.
.. versionchanged:: 2.0.0
The ``header_formatter`` parameter is deprecated and will
be removed in urllib3 v2.1.0.
:param header_formatter:
An optional callable that is used to encode and format the headers. By
default, this is :func:`format_header_param_html5`.
"""
def __init__(
self,
name: str,
data: _TYPE_FIELD_VALUE,
filename: str | None = None,
headers: typing.Mapping[str, str] | None = None,
header_formatter: typing.Callable[[str, _TYPE_FIELD_VALUE], str] | None = None,
name,
data,
filename=None,
headers=None,
header_formatter=format_header_param_html5,
):
self._name = name
self._filename = filename
self.data = data
self.headers: dict[str, str | None] = {}
self.headers = {}
if headers:
self.headers = dict(headers)
if header_formatter is not None:
import warnings
warnings.warn(
"The 'header_formatter' parameter is deprecated and "
"will be removed in urllib3 v2.1.0.",
DeprecationWarning,
stacklevel=2,
)
self.header_formatter = header_formatter
else:
self.header_formatter = format_multipart_header_param
self.header_formatter = header_formatter
@classmethod
def from_tuples(
cls,
fieldname: str,
value: _TYPE_FIELD_VALUE_TUPLE,
header_formatter: typing.Callable[[str, _TYPE_FIELD_VALUE], str] | None = None,
) -> RequestField:
def from_tuples(cls, fieldname, value, header_formatter=format_header_param_html5):
"""
A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters.
@ -219,19 +174,11 @@ class RequestField:
Field names and filenames must be unicode.
"""
filename: str | None
content_type: str | None
data: _TYPE_FIELD_VALUE
if isinstance(value, tuple):
if len(value) == 3:
filename, data, content_type = typing.cast(
typing.Tuple[str, _TYPE_FIELD_VALUE, str], value
)
filename, data, content_type = value
else:
filename, data = typing.cast(
typing.Tuple[str, _TYPE_FIELD_VALUE], value
)
filename, data = value
content_type = guess_content_type(filename)
else:
filename = None
@ -245,29 +192,20 @@ class RequestField:
return request_param
def _render_part(self, name: str, value: _TYPE_FIELD_VALUE) -> str:
def _render_part(self, name, value):
"""
Override this method to change how each multipart header
parameter is formatted. By default, this calls
:func:`format_multipart_header_param`.
Overridable helper function to format a single header parameter. By
default, this calls ``self.header_formatter``.
:param name:
The name of the parameter, an ASCII-only ``str``.
The name of the parameter, a string expected to be ASCII only.
:param value:
The value of the parameter, a ``str`` or UTF-8 encoded
``bytes``.
:meta public:
The value of the parameter, provided as a unicode string.
"""
return self.header_formatter(name, value)
def _render_parts(
self,
header_parts: (
dict[str, _TYPE_FIELD_VALUE | None]
| typing.Sequence[tuple[str, _TYPE_FIELD_VALUE | None]]
),
) -> str:
def _render_parts(self, header_parts):
"""
Helper function to format and quote a single header.
@ -278,21 +216,18 @@ class RequestField:
A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format
as `k1="v1"; k2="v2"; ...`.
"""
iterable: typing.Iterable[tuple[str, _TYPE_FIELD_VALUE | None]]
parts = []
iterable = header_parts
if isinstance(header_parts, dict):
iterable = header_parts.items()
else:
iterable = header_parts
for name, value in iterable:
if value is not None:
parts.append(self._render_part(name, value))
return "; ".join(parts)
return u"; ".join(parts)
def render_headers(self) -> str:
def render_headers(self):
"""
Renders the headers for this request field.
"""
@ -301,45 +236,39 @@ class RequestField:
sort_keys = ["Content-Disposition", "Content-Type", "Content-Location"]
for sort_key in sort_keys:
if self.headers.get(sort_key, False):
lines.append(f"{sort_key}: {self.headers[sort_key]}")
lines.append(u"%s: %s" % (sort_key, self.headers[sort_key]))
for header_name, header_value in self.headers.items():
if header_name not in sort_keys:
if header_value:
lines.append(f"{header_name}: {header_value}")
lines.append(u"%s: %s" % (header_name, header_value))
lines.append("\r\n")
return "\r\n".join(lines)
lines.append(u"\r\n")
return u"\r\n".join(lines)
def make_multipart(
self,
content_disposition: str | None = None,
content_type: str | None = None,
content_location: str | None = None,
) -> None:
self, content_disposition=None, content_type=None, content_location=None
):
"""
Makes this request field into a multipart request field.
This method overrides "Content-Disposition", "Content-Type" and
"Content-Location" headers to the request parameter.
:param content_disposition:
The 'Content-Disposition' of the request body. Defaults to 'form-data'
:param content_type:
The 'Content-Type' of the request body.
:param content_location:
The 'Content-Location' of the request body.
"""
content_disposition = (content_disposition or "form-data") + "; ".join(
self.headers["Content-Disposition"] = content_disposition or u"form-data"
self.headers["Content-Disposition"] += u"; ".join(
[
"",
u"",
self._render_parts(
(("name", self._name), ("filename", self._filename))
((u"name", self._name), (u"filename", self._filename))
),
]
)
self.headers["Content-Disposition"] = content_disposition
self.headers["Content-Type"] = content_type
self.headers["Content-Location"] = content_location