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pysonic/daemon.py
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506
pysonic/daemon.py
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@ -0,0 +1,506 @@
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import logging
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import cherrypy
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from bs4 import BeautifulSoup
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import sqlite3
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import os
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from contextlib import closing
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import json
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from threading import Thread
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from itertools import chain
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import sys
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# import pdb
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# from pprint import pprint
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LETTER_GROUPS = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t",
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"u", "v", "w", "x-z", "#"]
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def dict_factory(cursor, row):
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d = {}
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for idx, col in enumerate(cursor.description):
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d[col[0]] = row[idx]
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return d
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class PysonicDatabase(object):
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def __init__(self):
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self.sqlite_opts = dict(check_same_thread=False, cached_statements=0, isolation_level=None)
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self.db = None
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self.open()
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self.migrate()
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self.scanner = Thread(target=self.rescan, daemon=True)
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self.scanner.start()
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def open(self):
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self.db = sqlite3.connect("db.sqlite", **self.sqlite_opts)
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self.db.row_factory = dict_factory
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def migrate(self):
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# Create db
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queries = ["""CREATE TABLE 'meta' (
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'key' TEXT PRIMARY KEY NOT NULL,
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'value' TEXT);""",
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"""INSERT INTO meta VALUES ('db_version', '0');""",
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"""CREATE TABLE 'nodes' (
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'id' INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
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'parent' INTEGER NOT NULL,
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'isdir' BOOLEAN NOT NULL,
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'name' TEXT NOT NULL,
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'title' TEXT,
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'album' TEXT,
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'artist' TEXT,
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'metadata' TEXT
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)""",
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"""INSERT INTO nodes (parent, isdir, name, metadata)
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VALUES (-1, 1, 'Main Library', '{"fspath": "/home/dave/Code/pysonic/music/"}');"""]
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with closing(self.db.cursor()) as cursor:
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cursor.execute("SELECT * FROM sqlite_master WHERE type='table' AND name='meta';")
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# Initialize DB
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if len(cursor.fetchall()) == 0:
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print("Initializing database")
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for query in queries:
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cursor.execute(query)
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else:
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# Migrate if old db exists
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version = int(cursor.execute("SELECT * FROM meta WHERE key='db_version';").fetchone()['value'])
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print("db schema is version {}".format(version))
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# Virtual file tree
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def getnode(self, node_id):
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with closing(self.db.cursor()) as cursor:
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return cursor.execute("SELECT * FROM nodes WHERE id=?;", (node_id, )).fetchone()
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def getnodes(self, *parent_ids):
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with closing(self.db.cursor()) as cursor:
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return list(chain(*[cursor.execute("SELECT * FROM nodes WHERE parent=?;", (parent_id, )).fetchall()
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for parent_id in parent_ids]))
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def addnode(self, parent, fspath, name):
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fullpath = os.path.join(fspath, name)
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print("Adding ", fullpath)
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is_dir = os.path.isdir(fullpath)
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with closing(self.db.cursor()) as cursor:
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cursor.execute("INSERT INTO nodes (parent, isdir, name) VALUES (?, ?, ?);",
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(parent["id"], 1 if is_dir else 0, name))
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return self.getnode(cursor.lastrowid)
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def delnode(self, node_id):
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deleted = 1
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for child in self.getnodes(node_id):
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deleted += self.delnode(child["id"])
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with closing(self.db.cursor()) as cursor:
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cursor.execute("DELETE FROM nodes WHERE id=?;", (node_id, ))
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return deleted
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def update_metadata(self, node_id, mergedict=None, **kwargs):
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mergedict = mergedict if mergedict else {}
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keys_in_table = ["title", "album", "artist"]
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mergedict.update(kwargs)
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with closing(self.db.cursor()) as cursor:
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for table_key in keys_in_table:
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if table_key in mergedict:
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cursor.execute("UPDATE nodes SET {}=? WHERE id=?;".format(table_key),
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(mergedict[table_key], node_id))
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other_meta = {k: v for k, v in mergedict.items() if k not in keys_in_table}
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if other_meta:
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metadata = self.get_metadata(node_id)
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metadata.update(other_meta)
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cursor.execute("UPDATE nodes SET metadata=? WHERE id=?;", (json.dumps(metadata), node_id, ))
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def get_metadata(self, node_id):
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return self.decode_metadata(self.getnode(node_id)["metadata"])
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def decode_metadata(self, metadata):
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if metadata:
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return json.loads(metadata)
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return {}
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def rescan(self):
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# Perform directory scan
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with closing(self.db.cursor()) as cursor:
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# Find top level dirs, parent=-1
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for parent in cursor.execute("SELECT id, name, metadata FROM nodes WHERE parent=-1;").fetchall():
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meta = json.loads(parent["metadata"])
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# print("Scanning {}".format(meta["fspath"]))
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def recurse_dir(path, parent):
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# print("Scanning {} with parent {}".format(path, parent))
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# create or update the database of nodes by comparing sets of names
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fs_entries = set(os.listdir(path))
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db_entires = self.getnodes(parent["id"])
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db_entires_names = set([i['name'] for i in db_entires])
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to_delete = db_entires_names - fs_entries
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to_create = fs_entries - db_entires_names
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# Create any nodes not found in the db
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for create in to_create:
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new_node = self.addnode(parent, path, create)
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db_entires.append(new_node)
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# Delete any db nodes not found on disk
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for delete in to_delete:
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print("Prune ", delete, "in parent", path)
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node = [i for i in db_entires if i["name"] == delete]
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if node:
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deleted = self.delnode(node[0]["id"])
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print("Pruned {}, deleting total of {}".format(node, deleted))
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for entry in db_entires:
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if entry["name"] in to_delete:
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continue
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if int(entry['isdir']): # 1 means dir
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recurse_dir(os.path.join(path, entry["name"]), entry)
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# Populate all files for this top-level root
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recurse_dir(meta["fspath"], parent)
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#
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#
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#
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# Add simple metadata
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for artist_dir in self.getnodes(parent["id"]):
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artist = artist_dir["name"]
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for album_dir in self.getnodes(artist_dir["id"]):
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album = album_dir["name"]
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album_meta = self.get_metadata(album_dir["id"])
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for track_file in self.getnodes(album_dir["id"]):
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title = track_file["name"]
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if not track_file["title"]:
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self.update_metadata(track_file["id"], artist=artist, album=album, title=title)
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print("Adding simple metadata for {}/{}/{} #{}".format(artist, album,
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title, track_file["id"]))
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if not album_dir["album"]:
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self.update_metadata(album_dir["id"], artist=artist, album=album)
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print("Adding simple metadata for {}/{} #{}".format(artist, album, album_dir["id"]))
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if not artist_dir["artist"]:
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self.update_metadata(artist_dir["id"], artist=artist)
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print("Adding simple metadata for {} #{}".format(artist, artist_dir["id"]))
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if title == "cover.jpg" and 'cover' not in album_meta:
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# // add cover art
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self.update_metadata(album_dir["id"], cover=track_file["id"])
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print("added cover for {}".format(album_dir['id']))
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print("Metadata scan complete.")
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def memoize(function):
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memo = {}
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def wrapper(*args):
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if args in memo:
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return memo[args]
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else:
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rv = function(*args)
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memo[args] = rv
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return rv
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return wrapper
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class NoDataException(Exception):
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pass
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class PysonicLibrary(object):
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def __init__(self, database):
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self.db = database
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print("library ready")
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@memoize
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def get_libraries(self):
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"""
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Libraries are top-level nodes
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"""
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return self.db.getnodes(-1)
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@memoize
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def get_artists(self):
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# Assume artists are second level dirs
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return self.db.getnodes(*[item["id"] for item in self.get_libraries()])
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def get_dir(self, dirid):
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return self.db.getnode(dirid)
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def get_dir_children(self, dirid):
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return self.db.getnodes(dirid)
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@memoize
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def get_filepath(self, fileid):
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parents = [self.db.getnode(fileid)]
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while parents[-1]['parent'] != -1:
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parents.append(self.db.getnode(parents[-1]['parent']))
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root = parents.pop()
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parents.reverse()
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return os.path.join(json.loads(root['metadata'])['fspath'], *[i['name'] for i in parents])
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def get_artist_info(self, item_id):
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# artist = self.db.getnode(item_id)
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return {"biography": "placeholder biography",
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"musicBrainzId": "playerholder",
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"lastFmUrl": "https://www.last.fm/music/Placeholder",
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"smallImageUrl": "",
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"mediumImageUrl": "",
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"largeImageUrl": "",
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"similarArtists": []}
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class PysonicApi(object):
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def __init__(self):
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self.db = PysonicDatabase()
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self.library = PysonicLibrary(self.db)
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print("Libraries:", [i["name"] for i in self.library.get_libraries()])
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print("Artists:", [i["name"] for i in self.library.get_artists()])
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def response(self, status="ok"):
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doc = BeautifulSoup('', features='lxml-xml')
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root = doc.new_tag("subsonic-response", xmlns="http://subsonic.org/restapi", status=status, version="1.15.0")
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doc.append(root)
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return doc, root
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@cherrypy.expose
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def ping_view(self, **kwargs):
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# Called when the app hits the "test connection" server option
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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yield doc.prettify()
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@cherrypy.expose
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def getLicense_view(self, **kwargs):
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# Called after ping.view
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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root.append(doc.new_tag("license",
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valid="true",
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email="admin@localhost",
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licenseExpires="2018-06-22T10:31:49.921Z",
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trialExpires="2016-06-29T03:03:58.200Z"))
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yield doc.prettify()
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@cherrypy.expose
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def getMusicFolders_view(self, **kwargs):
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# Get list of configured dirs
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# {'c': 'DSub', 's': 'bfk9mir8is02u3m5as8ucsehn0', 'v': '1.2.0',
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# 't': 'e2b09fb9233d1bfac9abe3dc73017f1e', 'u': 'dave'}
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# Access-Control-Allow-Origin:*
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# Content-Encoding:gzip
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# Content-Type:text/xml; charset=utf-8
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# Server:Jetty(6.1.x)
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# Transfer-Encoding:chunked
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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folder_list = doc.new_tag("musicFolders")
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root.append(folder_list)
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for folder in self.library.get_libraries():
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entry = doc.new_tag("musicFolder", id=folder["id"])
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entry.attrs["name"] = folder["name"]
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folder_list.append(entry)
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yield doc.prettify()
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@cherrypy.expose
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def getIndexes_view(self, **kwargs):
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# Get listing of top-level dir
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# /rest/getIndexes.view?u=dave&s=bfk9mir8is02u3m5as8ucsehn0
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# &t=e2b09fb9233d1bfac9abe3dc73017f1e&v=1.2.0&c=DSub HTTP/1.1
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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indexes = doc.new_tag("indexes", lastModified="1502310831000", ignoredArticles="The El La Los Las Le Les")
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doc.append(indexes)
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for letter in LETTER_GROUPS:
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index = doc.new_tag("index")
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index.attrs["name"] = letter.upper()
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indexes.append(index)
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for artist in self.library.get_artists():
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if artist["name"][0].lower() == letter:
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artist_tag = doc.new_tag("artist")
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artist_tag.attrs.update({"id": artist["id"], "name": artist["name"]})
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index.append(artist_tag)
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yield doc.prettify()
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@cherrypy.expose
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def getMusicDirectory_view(self, id, **kwargs):
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"""
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List an artist dir
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"""
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dir_id = int(id)
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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dirtag = doc.new_tag("directory")
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directory = self.library.get_dir(dir_id)
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dir_meta = self.db.decode_metadata(directory["metadata"])
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children = self.library.get_dir_children(dir_id)
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dirtag.attrs.update(name=directory['name'], id=directory['id'],
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parent=directory['parent'], playCount=10)
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root.append(dirtag)
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for item in children:
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child = doc.new_tag("child",
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id=item["id"],
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parent=directory["id"],
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isDir="true" if item['isdir'] else "false",
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title=item["name"],
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album=item["name"],
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artist=directory["name"],
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# playCount="5",
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# created="2016-04-25T07:31:33.000Z"
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# track="3",
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# year="2012",
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# genre="Other",
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# coverArt="12835",
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# contentType="audio/mpeg"
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# suffix="mp3"
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# size="15838864"
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# duration="395"
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# bitRate="320"
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# path="Cosmic Gate/Sign Of The Times/03 Flatline (featuring Kyler England).mp3"
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# albumId="933"
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# artistId="353"
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# type="music"/>
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)
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item_meta = self.db.decode_metadata(item['metadata'])
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if 'cover' in item_meta:
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child.attrs["coverArt"] = item_meta["cover"]
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elif 'cover' in dir_meta:
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child.attrs["coverArt"] = dir_meta["cover"]
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dirtag.append(child)
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yield doc.prettify()
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@cherrypy.expose
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def stream_view(self, id, **kwargs):
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# /rest/stream.view?u=dave&s=rid5h452ag6nmb153r8sjtctk8
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# &t=dad1e6f7331160ea7f04120c7fbab1c8&v=1.2.0&c=DSub&id=167&maxBitRate=256
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fpath = self.library.get_filepath(id)
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cherrypy.response.headers['Content-Type'] = 'audio/mpeg'
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def content():
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total = 0
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with open(fpath, "rb") as f:
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while True:
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data = f.read(8192)
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if not data:
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break
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total += len(data)
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yield data
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sys.stdout.write('.')
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sys.stdout.flush()
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print("\nSent {} bytes for {}".format(total, fpath))
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return content()
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stream_view._cp_config = {'response.stream': True}
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@cherrypy.expose
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def getCoverArt_view(self, id, **kwargs):
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# /rest/getCoverArt.view?u=dave&s=bfk9mir8is02u3m5as8ucsehn0
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# &t=e2b09fb9233d1bfac9abe3dc73017f1e&v=1.2.0&c=DSub&id=12833
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fpath = self.library.get_filepath(id)
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cherrypy.response.headers['Content-Type'] = 'image/jpeg'
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||||
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def content():
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total = 0
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with open(fpath, "rb") as f:
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while True:
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data = f.read(8192)
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if not data:
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break
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total += len(data)
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yield data
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sys.stdout.write('.')
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sys.stdout.flush()
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print("\nSent {} bytes for {}".format(total, fpath))
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return content()
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getCoverArt_view._cp_config = {'response.stream': True}
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@cherrypy.expose
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def getArtistInfo_view(self, id, includeNotPresent="true", **kwargs):
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#/rest/getArtistInfo.view?
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# u=dave
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# s=gqua9i6c414aomjok8f6b0kdp1
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# t=ed1d31850bbd27690687305d9ccbdabf
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# v=1.2.0
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# c=DSub
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# id=7
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||||
# includeNotPresent=true
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info = self.library.get_artist_info(id)
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cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
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doc, root = self.response()
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||||
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||||
dirtag = doc.new_tag("artistInfo")
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||||
root.append(dirtag)
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||||
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||||
for key, value in info.items():
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||||
if key == "similarArtists":
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continue
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||||
tag = doc.new_tag(key)
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||||
tag.append(str(value))
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||||
# print(dir(tag))
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# print(value)
|
||||
dirtag.append(tag)
|
||||
yield doc.prettify()
|
||||
|
||||
@cherrypy.expose
|
||||
def getUser_view(self, u, username, **kwargs):
|
||||
cherrypy.response.headers['Content-Type'] = 'text/xml; charset=utf-8'
|
||||
doc, root = self.response()
|
||||
user = doc.new_tag("user",
|
||||
username="admin",
|
||||
email="admin@localhost",
|
||||
scrobblingEnabled="false",
|
||||
adminRole="false",
|
||||
settingsRole="false",
|
||||
downloadRole="true",
|
||||
uploadRole="false",
|
||||
playlistRole="true",
|
||||
coverArtRole="false",
|
||||
commentRole="false",
|
||||
podcastRole="false",
|
||||
streamRole="true",
|
||||
jukeboxRole="false",
|
||||
shareRole="true",
|
||||
videoConversionRole="false",
|
||||
avatarLastChanged="2017-08-07T20:16:24.596Z")
|
||||
root.append(user)
|
||||
folder = doc.new_tag("folder")
|
||||
folder.append("0")
|
||||
user.append(folder)
|
||||
yield doc.prettify()
|
||||
|
||||
|
||||
def main():
|
||||
|
||||
logging.basicConfig(level=logging.INFO)
|
||||
|
||||
cherrypy.tree.mount(PysonicApi(), '/rest/', {'/': {}})
|
||||
|
||||
cherrypy.config.update({
|
||||
'sessionFilter.on': True,
|
||||
'tools.sessions.on': True,
|
||||
'tools.sessions.locking': 'explicit',
|
||||
'tools.sessions.timeout': 525600,
|
||||
'request.show_tracebacks': True,
|
||||
'server.socket_port': 3000,
|
||||
'server.thread_pool': 25,
|
||||
'server.socket_host': '0.0.0.0',
|
||||
'server.show_tracebacks': True,
|
||||
'server.socket_timeout': 5,
|
||||
'log.screen': False,
|
||||
'engine.autoreload.on': True
|
||||
})
|
||||
|
||||
try:
|
||||
cherrypy.engine.start()
|
||||
cherrypy.engine.block()
|
||||
finally:
|
||||
print("API has shut down")
|
||||
cherrypy.engine.exit()
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
13
setup.py
Normal file
13
setup.py
Normal file
@ -0,0 +1,13 @@
|
||||
#!/usr/bin/env python3
|
||||
from setuptools import setup
|
||||
|
||||
from pysonic import __version__
|
||||
|
||||
setup(name='pysonic',
|
||||
version=__version__,
|
||||
description='pysonic audio server',
|
||||
url='http://gitlab.davepedu.com/dave/pysonic',
|
||||
author='dpedu',
|
||||
author_email='dave@davepedu.com',
|
||||
packages=['pysonic'],
|
||||
entry_points={'console_scripts': ['pysonicd=pysonic.daemon:main']})
|
||||
Loading…
Reference in New Issue
Block a user