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Diffstat (limited to 'venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py')
| -rw-r--r-- | venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py b/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py deleted file mode 100644 index 37fe64a..0000000 --- a/venv/Lib/site-packages/pip-19.0.3-py3.7.egg/pip/_vendor/urllib3/fields.py +++ /dev/null @@ -1,178 +0,0 @@ -from __future__ import absolute_import -import email.utils -import mimetypes - -from .packages import six - - -def guess_content_type(filename, default='application/octet-stream'): - """ - Guess the "Content-Type" of a file. - - :param filename: - The filename to guess the "Content-Type" of using :mod:`mimetypes`. - :param default: - If no "Content-Type" can be guessed, default to `default`. - """ - if filename: - return mimetypes.guess_type(filename)[0] or default - return default - - -def format_header_param(name, value): - """ - Helper function to format and quote a single header parameter. - - Particularly useful for header parameters which might contain - non-ASCII values, like file names. This follows RFC 2231, as - suggested by RFC 2388 Section 4.4. - - :param name: - The name of the parameter, a string expected to be ASCII only. - :param value: - The value of the parameter, provided as a unicode string. - """ - if not any(ch in value for ch in '"\\\r\n'): - result = '%s="%s"' % (name, value) - try: - result.encode('ascii') - except (UnicodeEncodeError, UnicodeDecodeError): - pass - else: - return result - if not six.PY3 and isinstance(value, six.text_type): # Python 2: - value = value.encode('utf-8') - value = email.utils.encode_rfc2231(value, 'utf-8') - value = '%s*=%s' % (name, value) - return value - - -class RequestField(object): - """ - A data container for request body parameters. - - :param name: - The name of this request field. - :param data: - The data/value body. - :param filename: - An optional filename of the request field. - :param headers: - An optional dict-like object of headers to initially use for the field. - """ - def __init__(self, name, data, filename=None, headers=None): - self._name = name - self._filename = filename - self.data = data - self.headers = {} - if headers: - self.headers = dict(headers) - - @classmethod - def from_tuples(cls, fieldname, value): - """ - A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters. - - Supports constructing :class:`~urllib3.fields.RequestField` from - parameter of key/value strings AND key/filetuple. A filetuple is a - (filename, data, MIME type) tuple where the MIME type is optional. - For example:: - - 'foo': 'bar', - 'fakefile': ('foofile.txt', 'contents of foofile'), - 'realfile': ('barfile.txt', open('realfile').read()), - 'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'), - 'nonamefile': 'contents of nonamefile field', - - Field names and filenames must be unicode. - """ - if isinstance(value, tuple): - if len(value) == 3: - filename, data, content_type = value - else: - filename, data = value - content_type = guess_content_type(filename) - else: - filename = None - content_type = None - data = value - - request_param = cls(fieldname, data, filename=filename) - request_param.make_multipart(content_type=content_type) - - return request_param - - def _render_part(self, name, value): - """ - Overridable helper function to format a single header parameter. - - :param name: - The name of the parameter, a string expected to be ASCII only. - :param value: - The value of the parameter, provided as a unicode string. - """ - return format_header_param(name, value) - - def _render_parts(self, header_parts): - """ - Helper function to format and quote a single header. - - Useful for single headers that are composed of multiple items. E.g., - 'Content-Disposition' fields. - - :param header_parts: - A sequence of (k, v) tuples or a :class:`dict` of (k, v) to format - as `k1="v1"; k2="v2"; ...`. - """ - parts = [] - iterable = header_parts - if isinstance(header_parts, dict): - iterable = header_parts.items() - - for name, value in iterable: - if value is not None: - parts.append(self._render_part(name, value)) - - return '; '.join(parts) - - def render_headers(self): - """ - Renders the headers for this request field. - """ - lines = [] - - sort_keys = ['Content-Disposition', 'Content-Type', 'Content-Location'] - for sort_key in sort_keys: - if self.headers.get(sort_key, False): - lines.append('%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('%s: %s' % (header_name, header_value)) - - lines.append('\r\n') - return '\r\n'.join(lines) - - def make_multipart(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_type: - The 'Content-Type' of the request body. - :param content_location: - The 'Content-Location' of the request body. - - """ - self.headers['Content-Disposition'] = content_disposition or 'form-data' - self.headers['Content-Disposition'] += '; '.join([ - '', self._render_parts( - (('name', self._name), ('filename', self._filename)) - ) - ]) - self.headers['Content-Type'] = content_type - self.headers['Content-Location'] = content_location |