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mirror of https://github.com/bspeice/Melodia synced 2024-12-26 00:28:13 -05:00

Refactor sections of adding song metadata

Last commit before beginning web frontend
This commit is contained in:
Bradlee Speice 2013-01-18 21:07:33 -05:00
parent d8b7453260
commit f601f0834a
2 changed files with 59 additions and 42 deletions

View File

@ -146,6 +146,9 @@ INSTALLED_APPS = (
# Melodia apps # Melodia apps
'archiver', 'archiver',
#Django management
'django_extensions',
) )
# A sample logging configuration. The only tangible logging # A sample logging configuration. The only tangible logging

View File

@ -29,6 +29,7 @@ class Song (models.Model):
""" """
This class defines the fields and functions related to controlling This class defines the fields and functions related to controlling
individual music files. individual music files.
Note that the Playlist model depends on this model's PK being an int.
""" """
#Standard user-populated metadata #Standard user-populated metadata
@ -50,8 +51,8 @@ class Song (models.Model):
url = models.CharField(max_length = 255) url = models.CharField(max_length = 255)
file_hash = melodia_settings.HASH_RESULT_DB_TYPE file_hash = melodia_settings.HASH_RESULT_DB_TYPE
def populate_metadata(self, use_echonest = False): def _file_not_changed(self):
"Populate the metadata of this song (only if file hash has changed)" "Make sure the hash for this file is valid - return True if it has not changed."
#Overload the hash function with whatever Melodia as a whole is using #Overload the hash function with whatever Melodia as a whole is using
from Melodia.melodia_settings import HASH_FUNCTION as hash from Melodia.melodia_settings import HASH_FUNCTION as hash
@ -63,18 +64,19 @@ class Song (models.Model):
if current_file_hash == self.file_hash: if current_file_hash == self.file_hash:
#The song data hasn't changed at all, we don't need to do anything #The song data hasn't changed at all, we don't need to do anything
return return True
#If we've gotten to here, we do actually need to fully update the metadata return False
if use_echonest:
#Code to grab metadata from echonest here def _grab_metadata_echonest(self):
"Populate this song's metadata using EchoNest"
pass pass
else: def _grab_metadata_local(self):
#Grab metadata for the database using what is in the track. "Populate this song's metadata using what is locally available"
#It's weird, but we need to wrap importing audiotools
from Melodia.resources import add_resource_dir from Melodia.resources import add_resource_dir
add_resource_dir() add_resource_dir()
import audiotools import audiotools
try: try:
@ -108,6 +110,18 @@ class Song (models.Model):
self.duration = self.bit_rate or _default_duration self.duration = self.bit_rate or _default_duration
self.echonest_song_id = self.echonest_song_id or _default_echonest_song_id self.echonest_song_id = self.echonest_song_id or _default_echonest_song_id
def populate_metadata(self, use_echonest = False):
"Populate the metadata of this song (only if file hash has changed), and save the result."
if self._file_not_changed():
return
#If we've gotten to here, we do actually need to fully update the metadata
if use_echonest:
self._grab_echonest()
else:
self._grab_metadata_local()
def convert(self, output_location, output_format, progress_func = lambda x, y: None): def convert(self, output_location, output_format, progress_func = lambda x, y: None):
"Convert a song to a new format." "Convert a song to a new format."
#Note that output_format over-rides the format guessed by output_location #Note that output_format over-rides the format guessed by output_location