Libraries for Subliminal

2011-12-23 16:02:48 +01:00
parent a03c33c1c3
commit 8efc88e691
109 changed files with 26894 additions and 0 deletions
@@ -0,0 +1,71 @@
+# urllib3/filepost.py
+# Copyright 2008-2011 Andrey Petrov and contributors (see CONTRIBUTORS.txt)
+#
+# This module is part of urllib3 and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
+
+import codecs
+import mimetools
+import mimetypes
+
+try:
+    from cStringIO import StringIO
+except ImportError:
+    from StringIO import StringIO # pylint: disable-msg=W0404
+
+
+writer = codecs.lookup('utf-8')[3]
+
+
+def get_content_type(filename):
+    return mimetypes.guess_type(filename)[0] or 'application/octet-stream'
+
+
+def encode_multipart_formdata(fields, boundary=None):
+    """
+    Encode a dictionary of ``fields`` using the multipart/form-data mime format.
+
+    :param fields:
+        Dictionary of fields. The key is treated as the field name, and the
+        value as the body of the form-data. If the value is a tuple of two
+        elements, then the first element is treated as the filename of the
+        form-data section.
+
+    :param boundary:
+        If not specified, then a random boundary will be generated using
+        :func:`mimetools.choose_boundary`.
+    """
+    body = StringIO()
+    if boundary is None:
+        boundary = mimetools.choose_boundary()
+
+    for fieldname, value in fields.iteritems():
+        body.write('--%s\r\n' % (boundary))
+
+        if isinstance(value, tuple):
+            filename, data = value
+            writer(body).write('Content-Disposition: form-data; name="%s"; '
+                               'filename="%s"\r\n' % (fieldname, filename))
+            body.write('Content-Type: %s\r\n\r\n' %
+                       (get_content_type(filename)))
+        else:
+            data = value
+            writer(body).write('Content-Disposition: form-data; name="%s"\r\n'
+                               % (fieldname))
+            body.write('Content-Type: text/plain\r\n\r\n')
+
+        if isinstance(data, int):
+            data = str(data)  # Backwards compatibility
+
+        if isinstance(data, unicode):
+            writer(body).write(data)
+        else:
+            body.write(data)
+
+        body.write('\r\n')
+
+    body.write('--%s--\r\n' % (boundary))
+
+    content_type = 'multipart/form-data; boundary=%s' % boundary
+
+    return body.getvalue(), content_type