/usr/share/beets/beetsplug/ipfs.py is in beets 1.4.6-2.
This file is owned by root:root, with mode 0o644.
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# This file is part of beets.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
"""Adds support for ipfs. Requires go-ipfs and a running ipfs daemon
"""
from __future__ import division, absolute_import, print_function
from beets import ui, util, library, config
from beets.plugins import BeetsPlugin
import subprocess
import shutil
import os
import tempfile
class IPFSPlugin(BeetsPlugin):
def __init__(self):
super(IPFSPlugin, self).__init__()
self.config.add({
'auto': True,
})
if self.config['auto']:
self.import_stages = [self.auto_add]
def commands(self):
cmd = ui.Subcommand('ipfs',
help='interact with ipfs')
cmd.parser.add_option('-a', '--add', dest='add',
action='store_true',
help='Add to ipfs')
cmd.parser.add_option('-g', '--get', dest='get',
action='store_true',
help='Get from ipfs')
cmd.parser.add_option('-p', '--publish', dest='publish',
action='store_true',
help='Publish local library to ipfs')
cmd.parser.add_option('-i', '--import', dest='_import',
action='store_true',
help='Import remote library from ipfs')
cmd.parser.add_option('-l', '--list', dest='_list',
action='store_true',
help='Query imported libraries')
cmd.parser.add_option('-m', '--play', dest='play',
action='store_true',
help='Play music from remote libraries')
def func(lib, opts, args):
if opts.add:
for album in lib.albums(ui.decargs(args)):
if len(album.items()) == 0:
self._log.info('{0} does not contain items, aborting',
album)
self.ipfs_add(album)
album.store()
if opts.get:
self.ipfs_get(lib, ui.decargs(args))
if opts.publish:
self.ipfs_publish(lib)
if opts._import:
self.ipfs_import(lib, ui.decargs(args))
if opts._list:
self.ipfs_list(lib, ui.decargs(args))
if opts.play:
self.ipfs_play(lib, opts, ui.decargs(args))
cmd.func = func
return [cmd]
def auto_add(self, session, task):
if task.is_album:
if self.ipfs_add(task.album):
task.album.store()
def ipfs_play(self, lib, opts, args):
from beetsplug.play import PlayPlugin
jlib = self.get_remote_lib(lib)
player = PlayPlugin()
config['play']['relative_to'] = None
player.album = True
player.play_music(jlib, player, args)
def ipfs_add(self, album):
try:
album_dir = album.item_dir()
except AttributeError:
return False
try:
if album.ipfs:
self._log.debug('{0} already added', album_dir)
# Already added to ipfs
return False
except AttributeError:
pass
self._log.info('Adding {0} to ipfs', album_dir)
cmd = "ipfs add -q -r".split()
cmd.append(album_dir)
try:
output = util.command_output(cmd).split()
except (OSError, subprocess.CalledProcessError) as exc:
self._log.error(u'Failed to add {0}, error: {1}', album_dir, exc)
return False
length = len(output)
for linenr, line in enumerate(output):
line = line.strip()
if linenr == length - 1:
# last printed line is the album hash
self._log.info("album: {0}", line)
album.ipfs = line
else:
try:
item = album.items()[linenr]
self._log.info("item: {0}", line)
item.ipfs = line
item.store()
except IndexError:
# if there's non music files in the to-add folder they'll
# get ignored here
pass
return True
def ipfs_get(self, lib, query):
query = query[0]
# Check if query is a hash
if query.startswith("Qm") and len(query) == 46:
self.ipfs_get_from_hash(lib, query)
else:
albums = self.query(lib, query)
for album in albums:
self.ipfs_get_from_hash(lib, album.ipfs)
def ipfs_get_from_hash(self, lib, _hash):
try:
cmd = "ipfs get".split()
cmd.append(_hash)
util.command_output(cmd)
except (OSError, subprocess.CalledProcessError) as err:
self._log.error('Failed to get {0} from ipfs.\n{1}',
_hash, err.output)
return False
self._log.info('Getting {0} from ipfs', _hash)
imp = ui.commands.TerminalImportSession(lib, loghandler=None,
query=None, paths=[_hash])
imp.run()
shutil.rmtree(_hash)
def ipfs_publish(self, lib):
with tempfile.NamedTemporaryFile() as tmp:
self.ipfs_added_albums(lib, tmp.name)
try:
cmd = "ipfs add -q ".split()
cmd.append(tmp.name)
output = util.command_output(cmd)
except (OSError, subprocess.CalledProcessError) as err:
msg = "Failed to publish library. Error: {0}".format(err)
self._log.error(msg)
return False
self._log.info("hash of library: {0}", output)
def ipfs_import(self, lib, args):
_hash = args[0]
if len(args) > 1:
lib_name = args[1]
else:
lib_name = _hash
lib_root = os.path.dirname(lib.path)
remote_libs = lib_root + "/remotes"
if not os.path.exists(remote_libs):
try:
os.makedirs(remote_libs)
except OSError as e:
msg = "Could not create {0}. Error: {1}".format(remote_libs, e)
self._log.error(msg)
return False
path = remote_libs + "/" + lib_name + ".db"
if not os.path.exists(path):
cmd = "ipfs get {0} -o".format(_hash).split()
cmd.append(path)
try:
util.command_output(cmd)
except (OSError, subprocess.CalledProcessError):
self._log.error("Could not import {0}".format(_hash))
return False
# add all albums from remotes into a combined library
jpath = remote_libs + "/joined.db"
jlib = library.Library(jpath)
nlib = library.Library(path)
for album in nlib.albums():
if not self.already_added(album, jlib):
new_album = []
for item in album.items():
item.id = None
new_album.append(item)
added_album = jlib.add_album(new_album)
added_album.ipfs = album.ipfs
added_album.store()
def already_added(self, check, jlib):
for jalbum in jlib.albums():
if jalbum.mb_albumid == check.mb_albumid:
return True
return False
def ipfs_list(self, lib, args):
fmt = config['format_album'].get()
try:
albums = self.query(lib, args)
except IOError:
ui.print_("No imported libraries yet.")
return
for album in albums:
ui.print_(format(album, fmt), " : ", album.ipfs)
def query(self, lib, args):
rlib = self.get_remote_lib(lib)
albums = rlib.albums(args)
return albums
def get_remote_lib(self, lib):
lib_root = os.path.dirname(lib.path)
remote_libs = lib_root + "/remotes"
path = remote_libs + "/joined.db"
if not os.path.isfile(path):
raise IOError
return library.Library(path)
def ipfs_added_albums(self, rlib, tmpname):
""" Returns a new library with only albums/items added to ipfs
"""
tmplib = library.Library(tmpname)
for album in rlib.albums():
try:
if album.ipfs:
self.create_new_album(album, tmplib)
except AttributeError:
pass
return tmplib
def create_new_album(self, album, tmplib):
items = []
for item in album.items():
try:
if not item.ipfs:
break
except AttributeError:
pass
item_path = os.path.basename(item.path).decode(
util._fsencoding(), 'ignore'
)
# Clear current path from item
item.path = '/ipfs/{0}/{1}'.format(album.ipfs, item_path)
item.id = None
items.append(item)
if len(items) < 1:
return False
self._log.info("Adding '{0}' to temporary library", album)
new_album = tmplib.add_album(items)
new_album.ipfs = album.ipfs
new_album.store()
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