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scripts: Update music-duplicates script.

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This relied on reading the symlinks for some of its operation, which
no longer works; use a hash of the file contents instead.
This commit is contained in:
Simon Howard 2015-12-24 13:25:41 +01:00
parent 93a64a8b6c
commit 7a8d676557
1 changed files with 18 additions and 46 deletions
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64
scripts/music-duplicates.py
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@ -4,6 +4,7 @@
# that the project needs.
from glob import glob
import hashlib
import os
import re
import sys
@ -12,41 +13,22 @@ PHASE1_MATCH_RE = re.compile(r'(e\dm\d)', re.I)
PHASE2_MATCH_RE = re.compile(r'(map\d\d)', re.I)
FREEDM_MATCH_RE = re.compile(r'(dm\d\d)', re.I)
DOOM2_TRACKS = (
'runnin', 'stalks', 'countd', 'betwee', 'doom', 'the_da', 'shawn',
'ddtblu', 'in_cit', 'dead', 'stlks2', 'theda2', 'doom2', 'ddtbl2',
'runni2', 'dead2', 'stlks3', 'romero', 'shawn2', 'messag', 'count2',
'ddtbl3', 'ampie', 'theda3', 'adrian', 'messg2', 'romer2', 'tense',
'shawn3', 'openin', 'evil', 'ultima',
)
def get_music_tracks():
"""Returns a dictionary mapping from MIDI name (subpath of musics/)
"""Returns a dictionary mapping from MIDI file SHA1
to a list of game tracks that use that MIDI."""
result = {}
musics_path = os.path.join(os.path.dirname(sys.argv[0]), '../musics')
for mus in glob('%s/*.mus' % musics_path):
try:
symlink = os.readlink(mus)
if symlink not in result:
result[symlink] = []
result[symlink].append(os.path.basename(mus))
except OSError:
pass
with open(mus) as f:
contents = f.read()
m = hashlib.sha1()
m.update(contents)
digest = m.digest()
basename = os.path.basename(mus)
result.setdefault(digest, []).append(basename)
return result
def doom2_level_for_file(filename):
"""Given a filename that may be named like a Doom 2 music name
(eg. d_stalks.mid), get the level number it corresponds to
or 0 if it doesn't match."""
filename = os.path.basename(filename)
for i, doom2_name in enumerate(DOOM2_TRACKS):
if filename.startswith('d_%s.' % doom2_name):
return i + 1
else:
return 0
def get_prime_track(midi, tracks):
def get_prime_track(tracks):
"""Given a list of tracks that all use the same MIDI, find the
"prime" one (the one that isn't a reuse/duplicate)."""
# We have almost all Phase 2 tracks fulfilled. So if the same
@ -56,25 +38,15 @@ def get_prime_track(midi, tracks):
if len(phase2_tracks) == 1:
return phase2_tracks[0]
level = doom2_level_for_file(midi)
if level:
for track in phase2_tracks:
if ('map%02i' % level) in track:
return track
# If the filename of the MIDI file (symlink target) describes a
# level, then that level is the leader.
m = PHASE1_MATCH_RE.search(os.path.basename(midi))
if m:
level = m.group(1)
for track in tracks:
if level in track:
return track
# FreeDM music has been hand-picked. So if it is used for both
# Phase 1 and FreeDM, assume it's probably a FreeDM track.
freedm_tracks = [x for x in tracks if FREEDM_MATCH_RE.search(x)]
if len(freedm_tracks) == 1:
return freedm_tracks[0]
# We're out of options. Pick the first one in the list.
#print 'Warning: Don't know which of %s is the leader for %s.' % (
# tracks, midi)
return tracks[0]
#print "Warning: Don't know which of %s is the leader." % tracks
return sorted(tracks)[0]
def find_missing_tracks(tracks):
"""Given a dictionary of tracks, get a list of "missing" tracks."""
@ -82,7 +54,7 @@ def find_missing_tracks(tracks):
for midi, tracks in tracks.items():
if len(tracks) < 2:
continue
prime_track = get_prime_track(midi, tracks)
prime_track = get_prime_track(tracks)
result.extend(x for x in tracks if x != prime_track)
return result