1e09374c16
Formerly when we were missing an image in the standard emoji sequence we always labeled it as 'missing'. However, android excludes some region flags, so we expect those to be missing and labeling them implies an error. Add a new category 'exclude' and populate it using the unknown-flag alias keys.
144 lines
4.2 KiB
Python
Executable File
144 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2017 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import glob
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import os
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from os import path
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import sys
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"""Create aliases in target directory.
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The target files should not contain the emoji variation selector
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codepoint in their names."""
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DATA_ROOT = path.dirname(path.abspath(__file__))
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def str_to_seq(seq_str):
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return tuple([int(s, 16) for s in seq_str.split('_')])
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def seq_to_str(seq):
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return '_'.join('%04x' % cp for cp in seq)
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def read_default_unknown_flag_aliases():
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unknown_flag_path = path.join(DATA_ROOT, 'unknown_flag_aliases.txt')
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return read_emoji_aliases(unknown_flag_path)
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def read_default_emoji_aliases():
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alias_path = path.join(DATA_ROOT, 'emoji_aliases.txt')
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return read_emoji_aliases(alias_path)
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def read_emoji_aliases(filename):
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result = {}
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with open(filename, 'r') as f:
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for line in f:
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ix = line.find('#')
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if (ix > -1):
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line = line[:ix]
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line = line.strip()
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if not line:
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continue
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als, trg = (s.strip() for s in line.split(';'))
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try:
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als_seq = tuple([int(x, 16) for x in als.split('_')])
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trg_seq = tuple([int(x, 16) for x in trg.split('_')])
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except:
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print 'cannot process alias %s -> %s' % (als, trg)
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continue
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result[als_seq] = trg_seq
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return result
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def add_aliases(filedir, prefix, ext, replace=False, dry_run=False):
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if not path.isdir(filedir):
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print >> sys.stderr, '%s is not a directory' % filedir
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return
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prefix_len = len(prefix)
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suffix_len = len(ext) + 1
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filenames = [path.basename(f)
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for f in glob.glob(path.join(filedir, '%s*.%s' % (prefix, ext)))]
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seq_to_file = {
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str_to_seq(name[prefix_len:-suffix_len]) : name
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for name in filenames}
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aliases = read_emoji_aliases()
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aliases_to_create = {}
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aliases_to_replace = []
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for als,trg in sorted(aliases.items()):
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if trg not in seq_to_file:
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print >> sys.stderr, 'target %s for %s does not exist' % (
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seq_to_str(trg), seq_to_str(als))
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continue
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if als in seq_to_file:
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if replace:
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aliases_to_replace.append(seq_to_file[als])
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else:
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print >> sys.stderr, 'alias %s exists' % seq_to_str(als)
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continue
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target_file = seq_to_file[trg]
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alias_name = '%s%s.%s' % (prefix, seq_to_str(als), ext)
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aliases_to_create[alias_name] = target_file
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if replace:
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if not dry_run:
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for k in sorted(aliases_to_replace):
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os.remove(path.join(filedir, k))
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print 'replacing %d files' % len(aliases_to_replace)
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for k, v in sorted(aliases_to_create.items()):
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if dry_run:
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msg = 'replace ' if k in aliases_to_replace else ''
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print '%s%s -> %s' % (msg, k, v)
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else:
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try:
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os.symlink(v, path.join(filedir, k))
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except:
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print >> sys.stderr, 'failed to create %s -> %s' % (k, v)
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raise Exception('oops')
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print 'created %d symlinks' % len(aliases_to_create)
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'-d', '--filedir', help='directory containing files to alias',
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required=True, metavar='dir')
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parser.add_argument(
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'-p', '--prefix', help='file name prefix (default emoji_u)',
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metavar='pfx', default='emoji_u')
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parser.add_argument(
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'-e', '--ext', help='file name extension (default png)',
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choices=['ai', 'png', 'sgv'], default='png')
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parser.add_argument(
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'-r', '--replace', help='replace existing files/aliases',
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action='store_true')
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parser.add_argument(
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'-n', '--dry_run', help='print out aliases to create only',
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action='store_true')
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args = parser.parse_args()
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add_aliases(args.filedir, args.prefix, args.ext, args.replace, args.dry_run)
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if __name__ == '__main__':
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main()
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