Here are the examples of the python api requests.packages.urllib3.filepost.iter_fields taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.
4 Examples
3
Example 1
View licensedef stream_multipart(data, files=None, callback=None): from itertools import chain if files: fields = chain(iter_fields(data), iter_fields(files)) else: fields = data body, content_type = encode_multipart_formdata_stream(fields) data = MultiPartIO(body, callback=callback) headers = {'Content-Type':content_type} return data, headers
3
Example 2
View licensedef stream_multipart(data, files=None, callback=None): from itertools import chain if files: fields = chain(iter_fields(data), iter_fields(files)) else: fields = data body, content_type = encode_multipart_formdata_stream(fields) data = MultiPartIO(body, callback=callback) headers = {'Content-Type':content_type} return data, headers
0
Example 3
View licensedef encode_multipart_formdata_stream(fields, boundary=None): """ Encode a dictionary of ``fields`` using the multipart/form-data MIME format. :param fields: Dictionary of fields or list of (key, value) or (key, value, MIME type) field tuples. The key is treated as the field name, and the value as the body of the form-data bytes. If the value is a tuple of two elements, then the first element is treated as the filename of the form-data section and a suitable MIME type is guessed based on the filename. If the value is a tuple of three elements, then the third element is treated as an explicit MIME type of the form-data section. Field names and filenames must be unicode. :param boundary: If not specified, then a random boundary will be generated using :func:`mimetools.choose_boundary`. """ body = [] def body_write(item): if isinstance(item, bytes): item = BytesIO(item) elif isinstance(item, (str, unicode)): item = StringIO(item) body.append(item) body_write_encode = lambda item: body.append(BytesIO(item.encode('utf-8'))) if boundary is None: boundary = choose_boundary() for fieldname, value in iter_fields(fields): body_write_encode('--%s\r\n' % (boundary)) if isinstance(value, tuple): if len(value) == 3: filename, data, content_type = value else: filename, data = value from mimetypes import guess_type content_type, _ = guess_type(filename) if content_type is None: content_type = 'application/octet-stream' body_write_encode('Content-Disposition: form-data; name="%s"; ' 'filename="%s"\r\n' % (fieldname, filename)) body_write_encode('Content-Type: %s\r\n\r\n' % (content_type,)) else: data = value body_write_encode('Content-Disposition: form-data; name="%s"\r\n' % (fieldname)) body_write(b'\r\n') if isinstance(data, (int, long)): data = str(data) # Backwards compatibility if isinstance(data, six.text_type): body_write_encode(data) else: body_write(data) body_write(b'\r\n') body_write_encode('--%s--\r\n' % (boundary)) content_type = 'multipart/form-data; boundary=%s' % (boundary) return body, content_type
0
Example 4
View licensedef encode_multipart_formdata_stream(fields, boundary=None): """ Encode a dictionary of ``fields`` using the multipart/form-data MIME format. :param fields: Dictionary of fields or list of (key, value) or (key, value, MIME type) field tuples. The key is treated as the field name, and the value as the body of the form-data bytes. If the value is a tuple of two elements, then the first element is treated as the filename of the form-data section and a suitable MIME type is guessed based on the filename. If the value is a tuple of three elements, then the third element is treated as an explicit MIME type of the form-data section. Field names and filenames must be unicode. :param boundary: If not specified, then a random boundary will be generated using :func:`mimetools.choose_boundary`. """ body = [] def body_write(item): if isinstance(item, bytes): item = BytesIO(item) elif isinstance(item, (str, unicode)): item = StringIO(item) body.append(item) body_write_encode = lambda item: body.append(BytesIO(item.encode('utf-8'))) if boundary is None: boundary = choose_boundary() for fieldname, value in iter_fields(fields): body_write_encode('--%s\r\n' % (boundary)) if isinstance(value, tuple): if len(value) == 3: filename, data, content_type = value else: filename, data = value from mimetypes import guess_type content_type, _ = guess_type(filename) if content_type is None: content_type = 'application/octet-stream' body_write_encode('Content-Disposition: form-data; name="%s"; ' 'filename="%s"\r\n' % (fieldname, filename)) body_write_encode('Content-Type: %s\r\n\r\n' % (content_type,)) else: data = value body_write_encode('Content-Disposition: form-data; name="%s"\r\n' % (fieldname)) body_write(b'\r\n') if isinstance(data, (int, long)): data = str(data) # Backwards compatibility if isinstance(data, six.text_type): body_write_encode(data) else: body_write(data) body_write(b'\r\n') body_write_encode('--%s--\r\n' % (boundary)) content_type = 'multipart/form-data; boundary=%s' % (boundary) return body, content_type