1 files changed, 73 insertions, 0 deletions
diff --git a/lib/python2.7/email/mime/audio.py b/lib/python2.7/email/mime/audio.py
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+++ b/lib/python2.7/email/mime/audio.py
@@ -0,0 +1,73 @@
+# Copyright (C) 2001-2006 Python Software Foundation
+# Author: Anthony Baxter
+# Contact: email-sig@python.org
+
+"""Class representing audio/* type MIME documents."""
+
+__all__ = ['MIMEAudio']
+
+import sndhdr
+
+from cStringIO import StringIO
+from email import encoders
+from 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 = StringIO(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)