<commit_before>from __future__ import unicode_literals

import argparse
import datetime
import logging
import os
import sys

import gobject
gobject.threads_init()


# Extract any command line arguments. This needs to be done before GStreamer is
# imported, so that GStreamer doesn't hijack e.g. ``--help``.
mopidy_args = sys.argv[1:]
sys.argv[1:] = []


# Add ../ to the path so we can run Mopidy from a Git checkout without
# installing it on the system.
sys.path.insert(
    0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../')))


import pygst
pygst.require('0.10')
import gst

from mopidy import config as config_lib, ext
from mopidy.audio import dummy as dummy_audio
from mopidy.frontends.mpd import translator as mpd_translator
from mopidy.models import Track, Artist, Album
from mopidy.utils import log, path, versioning


def main():
    args = parse_args()
    # TODO: support config files and overrides (shared from main?)
    config_files = [b'/etc/mopidy/mopidy.conf',
                    b'$XDG_CONFIG_DIR/mopidy/mopidy.conf']
    config_overrides = []

    # TODO: decide if we want to avoid this boilerplate some how.
    # Initial config without extensions to bootstrap logging.
    logging_config, _ = config_lib.load(config_files, [], config_overrides)
    log.setup_root_logger()
    log.setup_console_logging(logging_config, args.verbosity_level)

    extensions = dict((e.ext_name, e) for e in ext.load_extensions())
    config, errors = config_lib.load(
        config_files, extensions.values(), config_overrides)
    log.setup_log_levels(config)

    if not config['local']['media_dir']:
        logging.warning('Config value local/media_dir is not set.')
        return

    # TODO: missing error checking and other default setup code.

    audio = dummy_audio.DummyAudio()
    local_backend_classes = extensions['local'].get_backend_classes()
    local_backend = local_backend_classes[0](config, audio)

    tracks = {}  # Current lib.
    update = []  # Paths to rescan for updates/adds.
    remove = []  # Paths to delete from lib.

    for track in local_backend.library.search().tracks:
        tracks[track.uri] = track

    logging.info('Checking %d files from library.', len(tracks))
    for track in tracks.itervalues():
        try:
            stat = os.stat(path.uri_to_path(track.uri))
            if int(stat.st_mtime) > track.last_modified:
                update.append(track.uri)
        except OSError:
            remove.append(track.uri)

    logging.info('Removing %d files from library.', len(remove))
    for uri in remove:
        del tracks[uri]

    logging.info('Checking %s for changes.', config['local']['media_dir'])
    for p in path.find_files(config['local']['media_dir']):
        uri = path.path_to_uri(p)
        if uri not in tracks:
            update.append(uri)

    def store(data):
        track = translator(data)
        tracks[track.uri] = track
        logging.debug('Added %s', track.uri)

    def debug(uri, error, debug):
        logging.warning('Failed %s: %s', uri, error)
        logging.debug('Debug info for %s: %s', uri, debug)


    logging.info('Scanning %d new/changed files.', len(update))
    scanner = Scanner(update, store, debug)
    try:
        scanner.start()
    except KeyboardInterrupt:
        scanner.stop()

    logging.info('Done scanning; writing tag cache...')

    for row in mpd_translator.tracks_to_tag_cache_format(
            tracks.values(), config['local']['media_dir']):
        if len(row) == 1:
            print ('%s' % row).encode('utf-8')
        else:
            print ('%s: %s' % row).encode('utf-8')

    logging.info('Done writing tag cache')


def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--version', action='version',
        version='Mopidy %s' % versioning.get_version())
    parser.add_argument(
        '-q', '--quiet',
        action='store_const', const=0, dest='verbosity_level',
        help='less output (warning level)')
    parser.add_argument(
        '-v', '--verbose',
        action='count', default=1, dest='verbosity_level',
        help='more output (debug level)')
    return parser.parse_args(args=mopidy_args)


def translator(data):
    albumartist_kwargs = {}
    album_kwargs = {}
    artist_kwargs = {}
    track_kwargs = {}

    def _retrieve(source_key, target_key, target):
        if source_key in data:
            target[target_key] = data[source_key]

    _retrieve(gst.TAG_ALBUM, 'name', album_kwargs)
    _retrieve(gst.TAG_TRACK_COUNT, 'num_tracks', album_kwargs)
    _retrieve(gst.TAG_ARTIST, 'name', artist_kwargs)

    if gst.TAG_DATE in data and data[gst.TAG_DATE]:
        date = data[gst.TAG_DATE]
        try:<commit_msg>scanner: Write tag cache to tmp file.<commit_after>from __future__ import unicode_literals

import argparse
import datetime
import logging
import os
import sys
import tempfile

import gobject
gobject.threads_init()


# Extract any command line arguments. This needs to be done before GStreamer is
# imported, so that GStreamer doesn't hijack e.g. ``--help``.
mopidy_args = sys.argv[1:]
sys.argv[1:] = []


# Add ../ to the path so we can run Mopidy from a Git checkout without
# installing it on the system.
sys.path.insert(
    0, os.path.abspath(os.path.join(os.path.dirname(__file__), '../')))


import pygst
pygst.require('0.10')
import gst

from mopidy import config as config_lib, ext
from mopidy.audio import dummy as dummy_audio
from mopidy.frontends.mpd import translator as mpd_translator
from mopidy.models import Track, Artist, Album
from mopidy.utils import log, path, versioning


def main():
    args = parse_args()
    # TODO: support config files and overrides (shared from main?)
    config_files = [b'/etc/mopidy/mopidy.conf',
                    b'$XDG_CONFIG_DIR/mopidy/mopidy.conf']
    config_overrides = []

    # TODO: decide if we want to avoid this boilerplate some how.
    # Initial config without extensions to bootstrap logging.
    logging_config, _ = config_lib.load(config_files, [], config_overrides)
    log.setup_root_logger()
    log.setup_console_logging(logging_config, args.verbosity_level)

    extensions = dict((e.ext_name, e) for e in ext.load_extensions())
    config, errors = config_lib.load(
        config_files, extensions.values(), config_overrides)
    log.setup_log_levels(config)

    if not config['local']['media_dir']:
        logging.warning('Config value local/media_dir is not set.')
        return

    # TODO: missing error checking and other default setup code.

    audio = dummy_audio.DummyAudio()
    local_backend_classes = extensions['local'].get_backend_classes()
    local_backend = local_backend_classes[0](config, audio)

    tracks = {}  # Current lib.
    update = []  # Paths to rescan for updates/adds.
    remove = []  # Paths to delete from lib.

    for track in local_backend.library.search().tracks:
        tracks[track.uri] = track

    logging.info('Checking %d files from library.', len(tracks))
    for track in tracks.itervalues():
        try:
            stat = os.stat(path.uri_to_path(track.uri))
            if int(stat.st_mtime) > track.last_modified:
                update.append(track.uri)
        except OSError:
            remove.append(track.uri)

    logging.info('Removing %d files from library.', len(remove))
    for uri in remove:
        del tracks[uri]

    logging.info('Checking %s for changes.', config['local']['media_dir'])
    for p in path.find_files(config['local']['media_dir']):
        uri = path.path_to_uri(p)
        if uri not in tracks:
            update.append(uri)

    def store(data):
        track = translator(data)
        tracks[track.uri] = track
        logging.debug('Added %s', track.uri)

    def debug(uri, error, debug):
        logging.warning('Failed %s: %s', uri, error)
        logging.debug('Debug info for %s: %s', uri, debug)


    logging.info('Scanning %d new/changed files.', len(update))
    scanner = Scanner(update, store, debug)
    try:
        scanner.start()
    except KeyboardInterrupt:
        scanner.stop()

    logging.info('Done scanning; writing tag cache to temporary file.')

    directory, basename = os.path.split(config['local']['tag_cache_file'])
    tmp = tempfile.NamedTemporaryFile(
        prefix=basename + '.', dir=directory, delete=False)

    for row in mpd_translator.tracks_to_tag_cache_format(
            tracks.values(), config['local']['media_dir']):
        if len(row) == 1:
            tmp.write(('%s\n' % row).encode('utf-8'))
        else:
            tmp.write(('%s: %s\n' % row).encode('utf-8'))

    os.rename(tmp.name, config['local']['tag_cache_file'])
    logging.info('Done writing; overwriting active tag cache.')


def parse_args():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        '--version', action='version',
        version='Mopidy %s' % versioning.get_version())
    parser.add_argument(
        '-q', '--quiet',
        action='store_const', const=0, dest='verbosity_level',
        help='less output (warning level)')
    parser.add_argument(
        '-v', '--verbose',
        action='count', default=1, dest='verbosity_level',
        help='more output (debug level)')
    return parser.parse_args(args=mopidy_args)


# TODO: move into scanner.
def translator(data):
    albumartist_kwargs = {}
    album_kwargs = {}
    artist_kwargs = {}
    track_kwargs = {}

    def _retrieve(source_key, target_key, target):
        if source_key in data:
            target[target_key] = data[source_key]

    _retrieve(gst.TAG_ALBUM, 'name', album_kwargs)
    _retrieve(gst.TAG_TRACK_COUNT, 'num_tracks', album_kwargs)
    _retrieve(gst.TAG_ARTIST, 'name', artist_kwargs)

    if gst.TAG_DATE in data and data[gst.TAG_DATE]:
        date = data[gst.TAG_DATE]
        try:
{'fraction_non_alphanumeric': 0.12189914599430662, 'fraction_numerical': 0.0024400162667751117, 'mean_word_length': 3.1107396573338906, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 5, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1308435', 'n_tokens_mistral': 3143, 'n_tokens_neox': 3039, 'n_words': 786}