msaf/base.py
def write_features(self):
        """Saves features to file."""
        out_json = collections.OrderedDict()
        try:
            # Only save the necessary information
            self.read_features()
        except (WrongFeaturesFormatError, FeaturesNotFound,
                NoFeaturesFileError):
            # We need to create the file or overwite it
            # Metadata
            out_json = collections.OrderedDict({"metadata": {
                "versions": {"librosa": librosa.__version__,
                             "msaf": msaf.__version__,
                             "numpy": np.__version__},
                "timestamp": datetime.datetime.today().strftime(
                    "%Y/%m/%d %H:%M:%S")}})

            # Global parameters
            out_json["globals"] = {
                "dur": self.dur,
                "sample_rate": self.sr,
                "hop_length": self.hop_length,
                "audio_file": self.file_struct.audio_file
            }

            # Beats
            out_json["est_beats"] = self._est_beats_times.tolist()
            out_json["est_beatsync_times"] = self._est_beatsync_times.tolist()
            if self._ann_beats_times is not None:
                out_json["ann_beats"] = self._ann_beats_times.tolist()
                out_json["ann_beatsync_times"] = self._ann_beatsync_times.tolist()
        except FeatureParamsError:
            # We have other features in the file, simply add these ones
            with open(self.file_struct.features_file) as f:
                out_json = json.load(f)
        finally:
            # Specific parameters of the current features
            out_json[self.get_id()] = {}
            out_json[self.get_id()]["params"] = {}
            for param_name in self.get_param_names():
                value = getattr(self, param_name)
                # Check for special case of functions
                if hasattr(value, '__call__'):
                    value = value.__name__
                else:
                    value = str(value)
                out_json[self.get_id()]["params"][param_name] = value

            # Actual features
            out_json[self.get_id()]["framesync"] = \
                self._framesync_features.tolist()
            out_json[self.get_id()]["est_beatsync"] = \
                self._est_beatsync_features.tolist()
            if self._ann_beatsync_features is not None:
                out_json[self.get_id()]["ann_beatsync"] = \
                    self._ann_beatsync_features.tolist()

            # Save it
            with open(self.file_struct.features_file, "w") as f:
                json.dump(out_json, f, indent=2)
def write_features(self):
        out_json = collections.OrderedDict()
        try:
            # Only save the necessary information
            self.read_features()
        except (WrongFeaturesFormatError, FeaturesNotFound,
                NoFeaturesFileError):
            # We need to create the file or overwite it
            # Metadata
            out_json = collections.OrderedDict({"metadata": {
                "versions": {"librosa": librosa.__version__,
                             "msaf": msaf.__version__,
                             "numpy": np.__version__},
                "timestamp": datetime.datetime.today().strftime(
                    "%Y/%m/%d %H:%M:%S")}})

            # Global parameters
            out_json["globals"] = {
                "dur": self.dur,
                "sample_rate": self.sr,
                "hop_length": self.hop_length,
                "audio_file": self.file_struct.audio_file
            }

            # Beats
            out_json["est_beats"] = self._est_beats_times.tolist()
            out_json["est_beatsync_times"] = self._est_beatsync_times.tolist()
            if self._ann_beats_times is not None:
                out_json["ann_beats"] = self._ann_beats_times.tolist()
                out_json["ann_beatsync_times"] = self._ann_beatsync_times.tolist()
        except FeatureParamsError:
            # We have other features in the file, simply add these ones
            with open(self.file_struct.features_file) as f:
                out_json = json.load(f)
        finally:
            # Specific parameters of the current features
            out_json[self.get_id()] = {}
            out_json[self.get_id()]["params"] = {}
            for param_name in self.get_param_names():
                value = getattr(self, param_name)
                # Check for special case of functions
                if hasattr(value, '__call__'):
                    value = value.__name__
                else:
                    value = str(value)
                out_json[self.get_id()]["params"][param_name] = value

            # Actual features
            out_json[self.get_id()]["framesync"] = \
                self._framesync_features.tolist()
            out_json[self.get_id()]["est_beatsync"] = \
                self._est_beatsync_features.tolist()
            if self._ann_beatsync_features is not None:
                out_json[self.get_id()]["ann_beatsync"] = \
                    self._ann_beatsync_features.tolist()

            # Save it
            with open(self.file_struct.features_file, "w") as f:
                json.dump(out_json, f, indent=2)
def write_features ( self ) : out_json = collections . OrderedDict ( ) try : # Only save the necessary information self . read_features ( ) except ( WrongFeaturesFormatError , FeaturesNotFound , NoFeaturesFileError ) : # We need to create the file or overwite it # Metadata out_json = collections . OrderedDict ( { "metadata" : { "versions" : { "librosa" : librosa . __version__ , "msaf" : msaf . __version__ , "numpy" : np . __version__ } , "timestamp" : datetime . datetime . today ( ) . strftime ( "%Y/%m/%d %H:%M:%S" ) } } ) # Global parameters out_json [ "globals" ] = { "dur" : self . dur , "sample_rate" : self . sr , "hop_length" : self . hop_length , "audio_file" : self . file_struct . audio_file } # Beats out_json [ "est_beats" ] = self . _est_beats_times . tolist ( ) out_json [ "est_beatsync_times" ] = self . _est_beatsync_times . tolist ( ) if self . _ann_beats_times is not None : out_json [ "ann_beats" ] = self . _ann_beats_times . tolist ( ) out_json [ "ann_beatsync_times" ] = self . _ann_beatsync_times . tolist ( ) except FeatureParamsError : # We have other features in the file, simply add these ones with open ( self . file_struct . features_file ) as f : out_json = json . load ( f ) finally : # Specific parameters of the current features out_json [ self . get_id ( ) ] = { } out_json [ self . get_id ( ) ] [ "params" ] = { } for param_name in self . get_param_names ( ) : value = getattr ( self , param_name ) # Check for special case of functions if hasattr ( value , '__call__' ) : value = value . __name__ else : value = str ( value ) out_json [ self . get_id ( ) ] [ "params" ] [ param_name ] = value # Actual features out_json [ self . get_id ( ) ] [ "framesync" ] = self . _framesync_features . tolist ( ) out_json [ self . get_id ( ) ] [ "est_beatsync" ] = self . _est_beatsync_features . tolist ( ) if self . _ann_beatsync_features is not None : out_json [ self . get_id ( ) ] [ "ann_beatsync" ] = self . _ann_beatsync_features . tolist ( ) # Save it with open ( self . file_struct . features_file , "w" ) as f : json . dump ( out_json , f , indent = 2 )
Saves features to file.
Saves features to file .