/usr/share/pyshared/quodlibet/util/massagers.py is in exfalso 2.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | # -*- coding: utf-8 -*-
# Copyright 2004-2005 Joe Wreschnig, Michael Urman, Iñigo Serna
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation
import locale
import re
class Massager(object):
"""Massage a tag value from various 'okay' formats to the
'correct' format."""
tags = []
error = "Metaerror. This should be overridden in subclasses."
def validate(self, value):
raise NotImplementedError
class DateMassager(Massager):
tags = ["date"]
error = _("The date must be entered in 'YYYY', 'YYYY-MM-DD' or "
"'YYYY-MM-DD HH:MM:SS' format.")
__match = re.compile(r"^\d{4}([-.]\d{2}([-.]\d{2}([T ]\d{2}"
"([:.]\d{2}([:.]\d{2})?)?)?)?)?$").match
def validate(self, value):
value = value.strip().replace(".", "-").replace("/", "-")
return self.__match(value) and value
class GainMassager(Massager):
tags = ["replaygain_album_gain", "replaygain_track_gain"]
error = _("Replay Gain gains must be entered in 'x.yy dB' format.")
__match = re.compile(r"^[+-]\d+\.?\d+?\s+dB$").match
def validate(self, value):
if self.__match(value): return value
else:
try: f = float(value.split()[0])
except (IndexError, TypeError, ValueError):
try: f = locale.atof(value.split()[0])
except (IndexError, TypeError, ValueError): return False
else: return ("%+f" % f).rstrip("0") + " dB"
class PeakMassager(Massager):
tags = ["replaygain_album_peak", "replaygain_track_peak"]
error = _("Replay Gain peaks must be entered in 'x.yy' format.")
def validate(self, value):
value = value.strip()
try: f = float(value)
except (TypeError, ValueError):
try: f = locale.atof(value)
except (TypeError, ValueError): return False
else: return (f >= 0) and (f < 2) and str(f)
class MBIDMassager(Massager):
tags = ["musicbrainz_trackid", "musicbrainz_albumid",
"musicbrainz_artistid", "musicbrainz_albumartistid",
"musicbrainz_trmid", "musicip_puid"]
error = _("MusicBrainz IDs must be in UUID format.")
def validate(self, value):
value = value.encode('ascii', 'replace')
value = filter(str.isalnum, value.strip().lower())
try: int(value, 16)
except ValueError: return False
else:
if len(value) != 32: return False
else: return "-".join([value[:8], value[8:12], value[12:16],
value[16:20], value[20:]])
class MBAlbumStatus(Massager):
tags = ["musicbrainz_albumstatus"]
# Translators: Leave "official", "promotional", and "bootleg"
# untranslated. They are the three possible literal values.
error = _("MusicBrainz release status must be 'official', "
"'promotional', or 'bootleg'.")
def validate(self, value):
return value in ["official", "promotional", "bootleg"] and value
tags = {}
for f in globals().values():
if isinstance(f, type) and issubclass(f, Massager):
for t in f.tags:
tags[t] = f()
del(f)
del(t)
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