2016-01-29 22:38:07 +00:00
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#!/usr/bin/python
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#
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# Copyright 2016 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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"""Build an html page showing emoji images.
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This takes a list of directories containing emoji image files, and
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builds an html page presenting the images along with their composition
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(for sequences) and unicode names (for individual emoji)."""
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import argparse
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import codecs
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import collections
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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 re
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2016-10-12 22:54:37 +00:00
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import shutil
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2016-01-29 22:38:07 +00:00
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import sys
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from nototools import unicode_data
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_default_dir = 'png/128'
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_default_ext = 'png'
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_default_prefix = 'emoji_u'
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_default_title = 'Emoji List'
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# DirInfo represents information about a directory of file names.
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# - directory is the directory path
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# - title is the title to use for this directory
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# - filemap is a dict mapping from a tuple of codepoints to the name of
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# a file in the directory.
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DirInfo = collections.namedtuple('DirInfo', 'directory, title, filemap')
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def _merge_keys(dicts):
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"""Return the union of the keys in the list of dicts."""
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keys = []
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for d in dicts:
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keys.extend(d.keys())
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return frozenset(keys)
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2016-07-11 18:23:13 +00:00
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def _generate_row_cells(key, font, dir_infos, basepaths):
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CELL_PREFIX = '<td>'
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indices = range(len(basepaths))
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def _cell(key, info, basepath):
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if key in info.filemap:
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return '<img src="%s">' % path.join(
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basepath, info.filemap[key])
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return '-missing-'
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def _text_cell(key, text_dir):
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def _cp_seq(cp):
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# comment this out for now
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if False and cp in [ord('*'), 0x2640, 0x2642, 0x2695]:
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return unichr(cp) + unichr(0xfe0f)
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else:
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return unichr(cp)
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text = ''.join(_cp_seq(cp) for cp in key)
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return '<span class="efont" dir="%s">%s</span>' % (text_dir, text)
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if font:
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row_cells = [
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CELL_PREFIX + _text_cell(key, text_dir)
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for text_dir in ('ltr', 'rtl')]
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else:
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row_cells = []
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row_cells.extend(
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[CELL_PREFIX + _cell(key, dir_infos[i], basepaths[i])
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for i in indices])
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return row_cells
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def _get_desc(key_tuple, dir_infos, basepaths):
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CELL_PREFIX = '<td>'
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def _get_filepath(cp):
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cp_key = tuple([cp])
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for i in range(len(dir_infos)):
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info = dir_infos[i]
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if cp_key in info.filemap:
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basepath = basepaths[i]
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return path.join(basepath, info.filemap[cp_key])
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return None
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def _get_part(cp):
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if cp == 0x200d: # zwj, common so replace with '+'
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return '+'
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if cp == 0xfe0f: # emoji variation selector, we ignore it
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return None
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fname = _get_filepath(cp)
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if fname:
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return '<img src="%s">' % fname
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return '%04X' % cp
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if len(key_tuple) == 1:
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desc = 'U+%04X' % key_tuple
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else:
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desc = ' '.join(filter(None, [_get_part(cp) for cp in key_tuple]))
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return CELL_PREFIX + desc
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2016-08-18 23:03:32 +00:00
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def _get_name(key_tuple, annotated_tuples):
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CELL_PREFIX = '<td%s>' % (
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'' if annotated_tuples is None or key_tuple not in annotated_tuples
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else ' class="aname"')
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if len(key_tuple) != 1:
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name = '(' + ' '.join('U+%04X' % cp for cp in key_tuple) + ')'
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else:
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cp = key_tuple[0]
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if cp in unicode_data.proposed_emoji_cps():
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name = '(proposed) ' + unicode_data.proposed_emoji_name(cp)
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else:
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name = unicode_data.name(cp, '(error)')
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return CELL_PREFIX + name
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2016-10-12 22:54:37 +00:00
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def _collect_aux_info(dir_infos, all_keys):
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"""Returns a map from dir_info_index to a set of keys of additional images
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that we will take from the directory at that index."""
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target_key_to_info_index = {}
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for key in all_keys:
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if len(key) == 1:
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continue
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for cp in key:
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target_key = tuple([cp])
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if target_key in all_keys or target_key in target_key_to_info_index:
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continue
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for i, info in enumerate(dir_infos):
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if target_key in info.filemap:
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target_key_to_info_index[target_key] = i
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break
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if target_key not in target_key_to_info_index:
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# we shouldn't try to use it in the description. maybe report this?
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pass
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# now we need to invert the map
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aux_info = collections.defaultdict(set)
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for key, index in target_key_to_info_index.iteritems():
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aux_info[index].add(key)
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return aux_info
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def _generate_content(basedir, font, dir_infos, limit, annotate, standalone):
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"""Generate an html table for the infos. basedir is the parent directory
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of the content, filenames will be made relative to this if underneath it,
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else absolute. If limit is true and there are multiple dirs, limit the set of
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sequences to those in the first dir. If font is not none, generate columns
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for the text rendered in the font before other columns. if annotate is
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not none, highlight sequences that appear in this set."""
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2016-10-12 22:54:37 +00:00
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if len(dir_infos) == 1 or limit:
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all_keys = frozenset(dir_infos[0].filemap.keys())
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else:
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all_keys = _merge_keys([info.filemap for info in dir_infos])
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basedir = path.abspath(path.expanduser(basedir))
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if not path.isdir(basedir):
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os.makedirs(basedir)
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basepaths = []
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if standalone:
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# auxiliary images are used in the decomposition of multi-part emoji but
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# aren't part of main set. e.g. if we have female basketball player
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# color-3 we want female, basketball player, and color-3 images available
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# even if they aren't part of the target set.
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aux_info = _collect_aux_info(dir_infos, all_keys)
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# create image subdirectories in target dir, copy image files to them,
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# and adjust paths
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for i, info in enumerate(dir_infos):
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subdir = '%02d' % i
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dstdir = path.join(basedir, subdir)
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if not path.isdir(dstdir):
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os.mkdir(dstdir)
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aux_keys = aux_info[i]
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copy_keys = all_keys if not aux_keys else (all_keys | aux_keys)
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srcdir = info.directory
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filemap = info.filemap
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for key in copy_keys:
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if key in filemap:
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filename = filemap[key]
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srcfile = path.join(srcdir, filename)
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dstfile = path.join(dstdir, filename)
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shutil.copy2(srcfile, dstfile)
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basepaths.append(subdir)
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else:
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for srcdir, _, _ in dir_infos:
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abs_srcdir = path.abspath(path.expanduser(srcdir))
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if abs_srcdir == basedir:
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dirspec = ''
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elif abs_srcdir.startswith(basedir):
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dirspec = abs_filedir[len(abs_basedir) + 1:]
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else:
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dirspec = abs_filedir
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basepaths.append(dirspec)
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2016-01-29 22:38:07 +00:00
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lines = ['<table>']
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header_row = ['']
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if font:
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header_row.extend(['Emoji ltr', 'Emoji rtl'])
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header_row.extend([info.title for info in dir_infos])
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header_row.extend(['Description', 'Name'])
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lines.append('<th>'.join(header_row))
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for key in sorted(all_keys):
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row = []
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row.extend(_generate_row_cells(key, font, dir_infos, basepaths))
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row.append(_get_desc(key, dir_infos, basepaths))
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row.append(_get_name(key, annotate))
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lines.append(''.join(row))
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return '\n <tr>'.join(lines) + '\n</table>'
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def _get_image_data(image_dir, ext, prefix):
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"""Return a map from a tuple of cp sequences to a filename.
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This filters by file extension, and expects the rest of the files
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to match the prefix followed by a sequence of hex codepoints separated
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by underscore. Files that don't match, duplicate sequences (because
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of casing), and out_of_range or empty codepoints raise an error."""
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fails = []
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result = {}
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expect_re = re.compile(r'%s([0-9A-Fa-f_]+).%s' % (prefix, ext))
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for f in sorted(glob.glob(path.join(image_dir, '*.%s' % ext))):
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filename = path.basename(f)
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m = expect_re.match(filename)
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if not m:
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if filename.startswith('unknown_flag.') or filename.startswith('p4p_'):
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continue
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fails.append('"%s" did not match: "%s"' % (expect_re.pattern, filename))
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continue
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seq = m.group(1)
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try:
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cps = tuple(int(s, 16) for s in seq.split('_'))
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except:
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fails.append('bad cp sequence: ' + filename)
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continue
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this_failed = False
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for cp in cps:
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if (cp > 0x10ffff):
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fails.append('cp out of range: ' + filename)
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this_failed = True
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break
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if this_failed:
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continue
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if cps in result:
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fails.append('duplicate sequence: %s and %s' (result[cps], filename))
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continue
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result[cps] = filename
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if fails:
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print >> sys.stderr, 'get_image_data failed (%s, %s, %s):\n %s' % (
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image_dir, ext, prefix, '\n '.join(fails))
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raise ValueError('get image data failed')
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return result
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def _get_dir_infos(
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image_dirs, exts=None, prefixes=None, titles=None,
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default_ext=_default_ext, default_prefix=_default_prefix):
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"""Return a list of DirInfos for the image_dirs. When defined,
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exts, prefixes, and titles should be the same length as image_dirs.
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Titles default to using the last segments of the image_dirs,
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exts and prefixes default to the corresponding default values."""
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count = len(image_dirs)
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if not titles:
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titles = [None] * count
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elif len(titles) != count:
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raise ValueError('have %d image dirs but %d titles' % (
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count, len(titles)))
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if not exts:
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exts = [default_ext] * count
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elif len(exts) != count:
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raise ValueError('have %d image dirs but %d extensions' % (
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count, len(exts)))
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if not prefixes:
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prefixes = [default_prefix] * count
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elif len(prefixes) != count:
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raise ValueError('have %d image dirs but %d prefixes' % (
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count, len(prefixes)))
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infos = []
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for i in range(count):
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image_dir = image_dirs[i]
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title = titles[i] or path.basename(path.abspath(image_dir))
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ext = exts[i] or default_ext
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prefix = prefixes[i] or default_prefix
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filemap = _get_image_data(image_dir, ext, prefix)
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infos.append(DirInfo(image_dir, title, filemap))
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return infos
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2016-08-18 23:03:32 +00:00
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def _parse_annotation_file(afile):
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annotations = set()
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line_re = re.compile(r'([0-9a-f ]+)')
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with open(afile, 'r') as f:
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for line in f:
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line = line.strip()
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if not line or line[0] == '#':
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continue
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m = line_re.match(line)
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|
|
if m:
|
|
|
|
annotations.add(tuple([int(s, 16) for s in m.group(1).split()]))
|
|
|
|
return frozenset(annotations)
|
|
|
|
|
|
|
|
|
2016-01-29 22:38:07 +00:00
|
|
|
def _instantiate_template(template, arg_dict):
|
|
|
|
id_regex = re.compile('{{([a-zA-Z0-9_]+)}}')
|
|
|
|
ids = set(m.group(1) for m in id_regex.finditer(template))
|
|
|
|
keyset = set(arg_dict.keys())
|
|
|
|
missing_ids = ids - keyset
|
|
|
|
extra_args = keyset - ids
|
|
|
|
if extra_args:
|
|
|
|
print >> sys.stderr, (
|
|
|
|
'the following %d args are unused:\n%s' %
|
|
|
|
(len(extra_args), ', '.join(sorted(extra_args))))
|
|
|
|
text = template
|
|
|
|
if missing_ids:
|
|
|
|
raise ValueError(
|
|
|
|
'the following %d ids in the template have no args:\n%s' %
|
|
|
|
(len(missing_ids), ', '.join(sorted(missing_ids))))
|
|
|
|
for arg in ids:
|
|
|
|
text = re.sub('{{%s}}' % arg, arg_dict[arg], text)
|
|
|
|
return text
|
|
|
|
|
|
|
|
|
|
|
|
TEMPLATE = """<!DOCTYPE html>
|
|
|
|
<html lang="en">
|
|
|
|
<head>
|
|
|
|
<meta charset="utf-8">
|
2016-07-14 20:26:30 +00:00
|
|
|
<title>{{title}}</title>{{fontFaceStyle}}
|
2016-01-29 22:38:07 +00:00
|
|
|
<style>{{style}}</style>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
|
|
{{content}}
|
|
|
|
</body>
|
|
|
|
</html>
|
|
|
|
"""
|
|
|
|
|
|
|
|
STYLE = """
|
2016-04-15 00:40:13 +00:00
|
|
|
tbody { background-color: rgb(110, 110, 110) }
|
|
|
|
th { background-color: rgb(210, 210, 210) }
|
|
|
|
td img { width: 64px; height: 64px }
|
2016-10-12 22:54:37 +00:00
|
|
|
td:nth-last-of-type(2) {
|
|
|
|
font-size: 20pt; font-weight: bold; background-color: rgb(210, 210, 210)
|
|
|
|
}
|
|
|
|
td:nth-last-of-type(2) img {
|
|
|
|
vertical-align: middle; width: 32px; height: 32px
|
|
|
|
}
|
|
|
|
td:last-of-type { background-color: white }
|
2016-08-18 23:03:32 +00:00
|
|
|
td.aname { background-color: rgb(250, 65, 75) }
|
2016-01-29 22:38:07 +00:00
|
|
|
"""
|
|
|
|
|
2016-10-12 22:54:37 +00:00
|
|
|
def write_html_page(
|
|
|
|
filename, page_title, font, dir_infos, limit, annotate, standalone):
|
2016-08-18 23:03:32 +00:00
|
|
|
content = _generate_content(
|
2016-10-12 22:54:37 +00:00
|
|
|
path.dirname(filename), font, dir_infos, limit, annotate, standalone)
|
2016-07-11 18:23:13 +00:00
|
|
|
N_STYLE = STYLE
|
|
|
|
if font:
|
|
|
|
FONT_FACE_STYLE = """
|
|
|
|
<style>@font-face {
|
|
|
|
font-family: "Emoji"; src: url("%s");
|
|
|
|
}</style>""" % font
|
|
|
|
N_STYLE += ' span.efont { font-family: "Emoji"; font-size:32pt }\n'
|
|
|
|
else:
|
|
|
|
FONT_FACE_STYLE = ''
|
2016-01-29 22:38:07 +00:00
|
|
|
text = _instantiate_template(
|
2016-07-11 18:23:13 +00:00
|
|
|
TEMPLATE, {
|
2016-07-14 20:26:30 +00:00
|
|
|
'title': page_title, 'fontFaceStyle': FONT_FACE_STYLE,
|
2016-07-11 18:23:13 +00:00
|
|
|
'style': N_STYLE, 'content': content})
|
2016-01-29 22:38:07 +00:00
|
|
|
with codecs.open(filename, 'w', 'utf-8') as f:
|
|
|
|
f.write(text)
|
|
|
|
|
|
|
|
|
|
|
|
def main():
|
|
|
|
parser = argparse.ArgumentParser()
|
|
|
|
parser.add_argument(
|
2016-07-14 20:26:30 +00:00
|
|
|
'-o', '--outfile', help='path to output file', metavar='file',
|
|
|
|
required=True)
|
2016-01-29 22:38:07 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'--page_title', help='page title', metavar='title', default='Emoji Table')
|
|
|
|
parser.add_argument(
|
|
|
|
'-d', '--image_dirs', help='image directories', metavar='dir',
|
|
|
|
nargs='+')
|
|
|
|
parser.add_argument(
|
|
|
|
'-e', '--exts', help='file extension, one per image dir', metavar='ext',
|
|
|
|
nargs='*')
|
|
|
|
parser.add_argument(
|
|
|
|
'-p', '--prefixes', help='file name prefix, one per image dir',
|
|
|
|
metavar='prefix', nargs='*')
|
|
|
|
parser.add_argument(
|
|
|
|
'-t', '--titles', help='title, one per image dir', metavar='title',
|
|
|
|
nargs='*'),
|
2016-04-15 22:07:58 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'-l', '--limit', help='limit to only sequences supported by first set',
|
|
|
|
action='store_true')
|
2016-01-29 22:38:07 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'-de', '--default_ext', help='default extension', metavar='ext',
|
|
|
|
default=_default_ext)
|
|
|
|
parser.add_argument(
|
|
|
|
'-dp', '--default_prefix', help='default prefix', metavar='prefix',
|
|
|
|
default=_default_prefix)
|
2016-07-11 18:23:13 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'-f', '--font', help='emoji font', metavar='font')
|
2016-08-18 23:03:32 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'-a', '--annotate', help='file listing sequences to annotate',
|
|
|
|
metavar='file')
|
2016-10-12 22:54:37 +00:00
|
|
|
parser.add_argument(
|
|
|
|
'-s', '--standalone', help='copy resources used by html under target dir',
|
|
|
|
action='store_true')
|
2016-01-29 22:38:07 +00:00
|
|
|
|
|
|
|
args = parser.parse_args()
|
2016-07-14 20:26:30 +00:00
|
|
|
file_parts = path.splitext(args.outfile)
|
2016-04-15 00:40:13 +00:00
|
|
|
if file_parts[1] != '.html':
|
2016-07-14 20:26:30 +00:00
|
|
|
args.outfile = file_parts[0] + '.html'
|
|
|
|
print 'added .html extension to filename:\n%s' % args.outfile
|
2016-01-29 22:38:07 +00:00
|
|
|
|
2016-08-18 23:03:32 +00:00
|
|
|
if args.annotate:
|
|
|
|
annotations = _parse_annotation_file(args.annotate)
|
|
|
|
else:
|
|
|
|
annotations = None
|
|
|
|
|
2016-01-29 22:38:07 +00:00
|
|
|
dir_infos = _get_dir_infos(
|
2016-04-15 22:07:58 +00:00
|
|
|
args.image_dirs, args.exts, args.prefixes, args.titles,
|
|
|
|
args.default_ext, args.default_prefix)
|
2016-01-29 22:38:07 +00:00
|
|
|
|
2016-07-11 18:23:13 +00:00
|
|
|
write_html_page(
|
2016-08-18 23:03:32 +00:00
|
|
|
args.outfile, args.page_title, args.font, dir_infos, args.limit,
|
2016-10-12 22:54:37 +00:00
|
|
|
annotations, args.standalone)
|
2016-01-29 22:38:07 +00:00
|
|
|
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
|
|
main()
|