Hello community,
here is the log from the commit of package python-python-mpv for
openSUSE:Factory checked in at 2019-12-02 11:36:10
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Comparing /work/SRC/openSUSE:Factory/python-python-mpv (Old)
and /work/SRC/openSUSE:Factory/.python-python-mpv.new.4691 (New)
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Package is "python-python-mpv"
Mon Dec 2 11:36:10 2019 rev:8 rq:752821 version:0.4.1
Changes:
--------
--- /work/SRC/openSUSE:Factory/python-python-mpv/python-python-mpv.changes
2019-11-27 13:54:20.484324915 +0100
+++
/work/SRC/openSUSE:Factory/.python-python-mpv.new.4691/python-python-mpv.changes
2019-12-02 11:38:34.534463639 +0100
@@ -1,0 +2,6 @@
+Mon Dec 2 08:22:36 UTC 2019 - Luigi Baldoni <aloi...@gmx.com>
+
+- Update to version 0.4.1
+ * Add stream protocol handling
+
+-------------------------------------------------------------------
Old:
----
python-mpv-0.4.0.tar.gz
New:
----
python-mpv-0.4.1.tar.gz
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other differences:
------------------
++++++ python-python-mpv.spec ++++++
--- /var/tmp/diff_new_pack.0cJyvf/_old 2019-12-02 11:38:34.842463704 +0100
+++ /var/tmp/diff_new_pack.0cJyvf/_new 2019-12-02 11:38:34.842463704 +0100
@@ -17,7 +17,7 @@
Name: python-python-mpv
-Version: 0.4.0
+Version: 0.4.1
Release: 0
Summary: Python interface to the mpv media player
License: AGPL-3.0-or-later
++++++ python-mpv-0.4.0.tar.gz -> python-mpv-0.4.1.tar.gz ++++++
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/python-mpv-0.4.0/PKG-INFO
new/python-mpv-0.4.1/PKG-INFO
--- old/python-mpv-0.4.0/PKG-INFO 2019-11-26 12:28:58.000000000 +0100
+++ new/python-mpv-0.4.1/PKG-INFO 2019-12-01 21:28:56.000000000 +0100
@@ -1,6 +1,6 @@
Metadata-Version: 2.1
Name: python-mpv
-Version: 0.4.0
+Version: 0.4.1
Summary: A python interface to the mpv media player
Home-page: https://github.com/jaseg/python-mpv
Author: jaseg
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/python-mpv-0.4.0/README.rst
new/python-mpv-0.4.1/README.rst
--- old/python-mpv-0.4.0/README.rst 2019-11-26 12:26:37.000000000 +0100
+++ new/python-mpv-0.4.1/README.rst 2019-12-01 21:21:57.000000000 +0100
@@ -135,6 +135,24 @@
print(player.playlist)
player.wait_for_playback()
+Directly feeding mpv data from python
+.....................................
+
+.. code:: python
+
+ #!/usr/bin/env python3
+ import mpv
+
+ player = mpv.MPV()
+ @player.python_stream('foo')
+ def reader():
+ with open('test.webm', 'rb') as f:
+ while True:
+ yield f.read(1024*1024)
+
+ player.play('python://foo')
+ player.wait_for_playback()
+
PyQT embedding
..............
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/python-mpv-0.4.0/mpv.py new/python-mpv-0.4.1/mpv.py
--- old/python-mpv-0.4.0/mpv.py 2019-11-26 12:26:37.000000000 +0100
+++ new/python-mpv-0.4.1/mpv.py 2019-12-01 21:24:34.000000000 +0100
@@ -72,6 +72,14 @@
PROPERTY_UNAVAILABLE = -10
PROPERTY_ERROR = -11
COMMAND = -12
+ LOADING_FAILED = -13
+ AO_INIT_FAILED = -14
+ VO_INIT_FAILED = -15
+ NOTHING_TO_PLAY = -16
+ UNKNOWN_FORMAT = -17
+ UNSUPPORTED = -18
+ NOT_IMPLEMENTED = -19
+ GENERIC = -20
EXCEPTION_DICT = {
0: None,
@@ -88,7 +96,17 @@
-9: lambda *a: TypeError('Tried to get/set mpv property using
wrong format, or passed invalid value', *a),
-10: lambda *a: PropertyUnavailableError('mpv property is not
available', *a),
-11: lambda *a: RuntimeError('Generic error getting or setting
mpv property', *a),
- -12: lambda *a: SystemError('Error running mpv command', *a) }
+ -12: lambda *a: SystemError('Error running mpv command', *a),
+ -14: lambda *a: RuntimeError('Initializing the audio output
failed', *a),
+ -15: lambda *a: RuntimeError('Initializing the video output
failed'),
+ -16: lambda *a: RuntimeError('There was no audio or video data
to play. This also happens if the file '
+ 'was recognized, but did not
contain any audio or video streams, or no '
+ 'streams were selected.'),
+ -17: lambda *a: RuntimeError('When trying to load the file, the
file format could not be determined, '
+ 'or the file was too broken to
open it'),
+ -18: lambda *a: ValueError('Generic error for signaling that
certain system requirements are not fulfilled'),
+ -19: lambda *a: NotImplementedError('The API function which was
called is a stub only'),
+ -20: lambda *a: RuntimeError('Unspecified error') }
@staticmethod
def default_error_handler(ec, *args):
@@ -282,14 +300,24 @@
'level': self.level.decode('utf-8'),
'text': decoder(self.text).rstrip() }
-class MpvEventEndFile(c_int):
- EOF_OR_INIT_FAILURE = 0
+class MpvEventEndFile(Structure):
+ _fields_ = [('reason', c_int),
+ ('error', c_int)]
+
+ EOF = 0
RESTARTED = 1
ABORTED = 2
QUIT = 3
+ ERROR = 4
+ REDIRECT = 5
+
+ # For backwards-compatibility
+ @property
+ def value(self):
+ return self.reason
def as_dict(self, decoder=identity_decoder):
- return {'reason': self.value}
+ return {'reason': self.reason, 'error': self.error}
class MpvEventScriptInputDispatch(Structure):
_fields_ = [('arg0', c_int),
@@ -305,6 +333,22 @@
def as_dict(self, decoder=identity_decoder):
return { 'args': [ self.args[i].decode('utf-8') for i in
range(self.num_args) ] }
+StreamReadFn = CFUNCTYPE(c_int64, c_void_p, POINTER(c_char), c_uint64)
+StreamSeekFn = CFUNCTYPE(c_int64, c_void_p, c_int64)
+StreamSizeFn = CFUNCTYPE(c_int64, c_void_p)
+StreamCloseFn = CFUNCTYPE(None, c_void_p)
+StreamCancelFn = CFUNCTYPE(None, c_void_p)
+
+class StreamCallbackInfo(Structure):
+ _fields_ = [('cookie', c_void_p),
+ ('read', StreamReadFn),
+ ('seek', StreamSeekFn),
+ ('size', StreamSizeFn),
+ ('close', StreamCloseFn), ]
+# ('cancel', StreamCancelFn)]
+
+StreamOpenFn = CFUNCTYPE(c_int, c_void_p, c_char_p,
POINTER(StreamCallbackInfo))
+
WakeupCallback = CFUNCTYPE(None, c_void_p)
OpenGlCbUpdateFn = CFUNCTYPE(None, c_void_p)
@@ -387,6 +431,8 @@
_handle_func('mpv_set_wakeup_callback', [WakeupCallback, c_void_p],
None, errcheck=None)
_handle_func('mpv_get_wakeup_pipe', [],
c_int, errcheck=None)
+_handle_func('mpv_stream_cb_add_ro', [c_char_p, c_void_p,
StreamOpenFn], c_int, ec_errcheck)
+
_handle_func('mpv_get_sub_api', [MpvSubApi],
c_void_p, notnull_errcheck)
_handle_gl_func('mpv_opengl_cb_set_update_callback', [OpenGlCbUpdateFn,
c_void_p])
@@ -517,6 +563,40 @@
def __setattr__(self, name, value):
setattr(self.mpv, _py_to_mpv(name), value)
+class GeneratorStream:
+ """Transform a python generator into an mpv-compatible stream object. This
only supports size() and read(), and
+ does not support seek(), close() or cancel().
+ """
+
+ def __init__(self, generator_fun, size=None):
+ self._generator_fun = generator_fun
+ self.size = size
+
+ def seek(self, offset):
+ self._read_iter = iter(self._generator_fun())
+ self._read_chunk = b''
+ return 0 # We only support seeking to the first byte atm
+ # implementation in case seeking to arbitrary offsets would be
necessary
+ # while offset > 0:
+ # offset -= len(self.read(offset))
+ # return offset
+
+ def read(self, size):
+ if not self._read_chunk:
+ try:
+ self._read_chunk += next(self._read_iter)
+ except StopIteration:
+ return b''
+ rv, self._read_chunk = self._read_chunk[:size], self._read_chunk[size:]
+ return rv
+
+ def close(self):
+ self._read_iter = iter([]) # make next read() call return EOF
+
+ def cancel(self):
+ self._read_iter = iter([]) # make next read() call return EOF
+ # TODO?
+
class MPV(object):
"""See man mpv(1) for the details of the implemented commands. All mpv
properties can be accessed as
``my_mpv.some_property`` and all mpv options can be accessed as
``my_mpv['some-option']``.
@@ -565,6 +645,11 @@
self._event_handle = _mpv_create_client(self.handle,
b'py_event_handler')
self._loop = partial(_event_loop, self._event_handle,
self._playback_cond, self._event_callbacks,
self._message_handlers, self._property_handlers, log_handler)
+ self._stream_protocol_cbs = {}
+ self._stream_protocol_frontends = collections.defaultdict(lambda: {})
+ self.register_stream_protocol('python', self._python_stream_open)
+ self._python_streams = {}
+ self._python_stream_catchall = None
if loglevel is not None or log_handler is not None:
self.set_loglevel(loglevel or 'terminal-default')
if start_event_thread:
@@ -1028,6 +1113,87 @@
if not self._key_binding_handlers:
self.unregister_message_handler('key-binding')
+ def register_stream_protocol(self, proto, open_fn=None):
+ """ Register a custom stream protocol as documented in
libmpv/stream_cb.h:
+ https://github.com/mpv-player/mpv/blob/master/libmpv/stream_cb.h
+
+ proto is the protocol scheme, e.g. "foo" for "foo://" urls.
+
+ This function can either be used with two parameters or it can be
used as a decorator on the target
+ function.
+
+ open_fn is a function taking an URI string and returning an mpv
stream object.
+ open_fn may raise a ValueError to signal libmpv the URI could not
be opened.
+
+ The mpv stream protocol is as follows:
+ class Stream:
+ @property
+ def size(self):
+ return None # unknown size
+ return size # int with size in bytes
+
+ def read(self, size):
+ ...
+ return read # non-empty bytes object with input
+ return b'' # empty byte object signals permanent EOF
+
+ def seek(self, pos):
+ return new_offset # integer with new byte offset. The new
offset may be before the requested offset
+ in case an exact seek is inconvenient.
+
+ def close(self):
+ ...
+
+ # def cancel(self): (future API versions only)
+ # Abort a running read() or seek() operation
+ # ...
+
+ """
+
+ def decorator(open_fn):
+ @StreamOpenFn
+ def open_backend(_userdata, uri, cb_info):
+ try:
+ frontend = open_fn(uri.decode('utf-8'))
+ except ValueError:
+ return ErrorCode.LOADING_FAILED
+
+ def read_backend(_userdata, buf, bufsize):
+ data = frontend.read(bufsize)
+ for i in range(len(data)):
+ buf[i] = data[i]
+ return len(data)
+
+ cb_info.contents.cookie = None
+ read = cb_info.contents.read = StreamReadFn(read_backend)
+ close = cb_info.contents.close = StreamCloseFn(lambda
_userdata: frontend.close())
+
+ seek, size, cancel = None, None, None
+ if hasattr(frontend, 'seek'):
+ seek = cb_info.contents.seek = StreamSeekFn(lambda
_userdata, offx: frontend.seek(offx))
+ if hasattr(frontend, 'size') and frontend.size is not None:
+ size = cb_info.contents.size = StreamSizeFn(lambda
_userdata: frontend.size)
+
+ # Future API versions only
+ # if hasattr(frontend, 'cancel'):
+ # cb_info.contents.cancel = StreamCancelFn(lambda
_userdata: frontend.cancel())
+
+ # keep frontend and callbacks in memory forever (TODO)
+ frontend._registered_callbacks = [read, close, seek, size,
cancel]
+ self._stream_protocol_frontends[proto][uri] = frontend
+ return 0
+
+ if proto in self._stream_protocol_cbs:
+ raise KeyError('Stream protocol already registered')
+ self._stream_protocol_cbs[proto] = [open_backend]
+ _mpv_stream_cb_add_ro(self.handle, proto.encode('utf-8'),
c_void_p(), open_backend)
+
+ return open_fn
+
+ if open_fn is not None:
+ decorator(open_fn)
+ return decorator
+
# Convenience functions
def play(self, filename):
"""Play a path or URL (requires ``ytdl`` option to be set)."""
@@ -1043,6 +1209,97 @@
``MPV.loadfile(filename, 'append-play')``."""
self.loadfile(filename, 'append', **options)
+ # "Python stream" logic. This is some porcelain for directly playing data
from python generators.
+
+ def _python_stream_open(self, uri):
+ """Internal handler for python:// protocol streams registered through
@python_stream(...) and
+ @python_stream_catchall
+ """
+ name, = re.fullmatch('python://(.*)', uri).groups()
+
+ if name in self._python_streams:
+ generator_fun, size = self._python_streams[name]
+ else:
+ if self._python_stream_catchall is not None:
+ generator_fun, size = self._python_stream_catchall(name)
+ else:
+ raise ValueError('Python stream name not found and no
catch-all defined')
+
+ return GeneratorStream(generator_fun, size)
+
+ def python_stream(self, name=None, size=None):
+ """Register a generator for the python stream with the given name.
+
+ name is the name, i.e. the part after the "python://" in the URI, that
this generator is registered as.
+ size is the total number of bytes in the stream (if known).
+
+ Any given name can only be registered once. The catch-all can also
only be registered once. To unregister a
+ stream, call the .unregister function set on the callback.
+
+ The generator signals EOF by returning, manually raising StopIteration
or by yielding b'', an empty bytes
+ object.
+
+ The generator may be called multiple times if libmpv seeks or loops.
+
+ See also: @mpv.python_stream_catchall
+
+ @mpv.python_stream('foobar')
+ def reader():
+ for chunk in chunks:
+ yield chunk
+ mpv.play('python://foobar')
+ mpv.wait_for_playback()
+ reader.unregister()
+ """
+ def register(cb):
+ if name in self._python_streams:
+ raise KeyError(f'Python stream name "{name}" is already
registered')
+ self._python_streams[name] = (cb, size)
+ def unregister():
+ if name not in self._python_streams or\
+ self._python_streams[name][0] is not cb: # This is
just a basic sanity check
+ raise RuntimeError('Python stream has already been
unregistered')
+ del self._python_streams[name]
+ cb.unregister = unregister
+ return cb
+ return register
+
+ def python_stream_catchall(self, cb):
+ """ Register a catch-all python stream to be called when no name
matches can be found. Use this decorator on a
+ function that takes a name argument and returns a (generator, size)
tuple (with size being None if unknown).
+
+ An invalid URI can be signalled to libmpv by raising a ValueError
inside the callback.
+
+ See also: @mpv.python_stream(name, size)
+
+ @mpv.python_stream_catchall
+ def catchall(name):
+ if not name.startswith('foo'):
+ raise ValueError('Unknown Name')
+
+ def foo_reader():
+ with open(name, 'rb') as f:
+ while True:
+ chunk = f.read(1024)
+ if not chunk:
+ break
+ yield chunk
+ return foo_reader, None
+ mpv.play('python://foo23')
+ mpv.wait_for_playback()
+ catchall.unregister()
+ """
+ if self._python_stream_catchall is not None:
+ raise KeyError('A catch-all python stream is already registered')
+
+ self._python_stream_catchall = cb
+ def unregister():
+ if self._python_stream_catchall is not cb:
+ raise RuntimeError('This catch-all python stream has
already been unregistered')
+ self._python_stream_catchall = None
+ cb.unregister = unregister
+ return cb
+
# Property accessors
def _get_property(self, name, decoder=strict_decoder, fmt=MpvFormat.NODE):
out = create_string_buffer(sizeof(MpvNode))
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/python-mpv-0.4.0/python_mpv.egg-info/PKG-INFO
new/python-mpv-0.4.1/python_mpv.egg-info/PKG-INFO
--- old/python-mpv-0.4.0/python_mpv.egg-info/PKG-INFO 2019-11-26
12:28:58.000000000 +0100
+++ new/python-mpv-0.4.1/python_mpv.egg-info/PKG-INFO 2019-12-01
21:28:56.000000000 +0100
@@ -1,6 +1,6 @@
Metadata-Version: 2.1
Name: python-mpv
-Version: 0.4.0
+Version: 0.4.1
Summary: A python interface to the mpv media player
Home-page: https://github.com/jaseg/python-mpv
Author: jaseg
diff -urN '--exclude=CVS' '--exclude=.cvsignore' '--exclude=.svn'
'--exclude=.svnignore' old/python-mpv-0.4.0/setup.py
new/python-mpv-0.4.1/setup.py
--- old/python-mpv-0.4.0/setup.py 2019-11-26 12:26:56.000000000 +0100
+++ new/python-mpv-0.4.1/setup.py 2019-12-01 21:27:50.000000000 +0100
@@ -3,7 +3,7 @@
from setuptools import setup
setup(
name = 'python-mpv',
- version = '0.4.0',
+ version = '0.4.1',
py_modules = ['mpv'],
description = 'A python interface to the mpv media player',
url = 'https://github.com/jaseg/python-mpv',
