Index: third_party/google-endpoints/future/backports/email/mime/audio.py |
diff --git a/third_party/google-endpoints/future/backports/email/mime/audio.py b/third_party/google-endpoints/future/backports/email/mime/audio.py |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4989c11420764e350bf0272c68bd3986e08a2213 |
--- /dev/null |
+++ b/third_party/google-endpoints/future/backports/email/mime/audio.py |
@@ -0,0 +1,74 @@ |
+# Copyright (C) 2001-2007 Python Software Foundation |
+# Author: Anthony Baxter |
+# Contact: email-sig@python.org |
+ |
+"""Class representing audio/* type MIME documents.""" |
+from __future__ import unicode_literals |
+from __future__ import division |
+from __future__ import absolute_import |
+ |
+__all__ = ['MIMEAudio'] |
+ |
+import sndhdr |
+ |
+from io import BytesIO |
+from future.backports.email import encoders |
+from future.backports.email.mime.nonmultipart import MIMENonMultipart |
+ |
+ |
+_sndhdr_MIMEmap = {'au' : 'basic', |
+ 'wav' :'x-wav', |
+ 'aiff':'x-aiff', |
+ 'aifc':'x-aiff', |
+ } |
+ |
+# There are others in sndhdr that don't have MIME types. :( |
+# Additional ones to be added to sndhdr? midi, mp3, realaudio, wma?? |
+def _whatsnd(data): |
+ """Try to identify a sound file type. |
+ |
+ sndhdr.what() has a pretty cruddy interface, unfortunately. This is why |
+ we re-do it here. It would be easier to reverse engineer the Unix 'file' |
+ command and use the standard 'magic' file, as shipped with a modern Unix. |
+ """ |
+ hdr = data[:512] |
+ fakefile = BytesIO(hdr) |
+ for testfn in sndhdr.tests: |
+ res = testfn(hdr, fakefile) |
+ if res is not None: |
+ return _sndhdr_MIMEmap.get(res[0]) |
+ return None |
+ |
+ |
+class MIMEAudio(MIMENonMultipart): |
+ """Class for generating audio/* MIME documents.""" |
+ |
+ def __init__(self, _audiodata, _subtype=None, |
+ _encoder=encoders.encode_base64, **_params): |
+ """Create an audio/* type MIME document. |
+ |
+ _audiodata is a string containing the raw audio data. If this data |
+ can be decoded by the standard Python `sndhdr' module, then the |
+ subtype will be automatically included in the Content-Type header. |
+ Otherwise, you can specify the specific audio subtype via the |
+ _subtype parameter. If _subtype is not given, and no subtype can be |
+ guessed, a TypeError is raised. |
+ |
+ _encoder is a function which will perform the actual encoding for |
+ transport of the image data. It takes one argument, which is this |
+ Image instance. It should use get_payload() and set_payload() to |
+ change the payload to the encoded form. It should also add any |
+ Content-Transfer-Encoding or other headers to the message as |
+ necessary. The default encoding is Base64. |
+ |
+ Any additional keyword arguments are passed to the base class |
+ constructor, which turns them into parameters on the Content-Type |
+ header. |
+ """ |
+ if _subtype is None: |
+ _subtype = _whatsnd(_audiodata) |
+ if _subtype is None: |
+ raise TypeError('Could not find audio MIME subtype') |
+ MIMENonMultipart.__init__(self, 'audio', _subtype, **_params) |
+ self.set_payload(_audiodata) |
+ _encoder(self) |