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build_emoji: Add `setup_old_emoji_farm()` function. 

This commit adds `setup_old_emoji_farm()` function to the build_emoji
script. This will change the way of setting up the old emoji farm.
Earlier we used to extract the glyphs corresponding to each emoji from
the `NotoColorEmoji.ttf` file. But since now we already have individual
images in the new emoji farm(from iamcal's 'emoji-datasource-google' npm
package) we can just symlink old emoji files to the new image files. This
apart from helping us in cleaning up the `build_emoji` script will also
help in reducing the increased size of the release tarball due to the
addition of new emoji farm.
This commit is contained in:
Harshit Bansal 2017-09-21 22:42:49 +00:00 committed by Tim Abbott
parent eed7d4b8d7
commit 273e37b2f9
1 changed files with 48 additions and 0 deletions
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48
tools/setup/emoji/build_emoji
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@ -240,6 +240,54 @@ def setup_emoji_farm(cache_path, emoji_map, emoji_data):
generate_sprite_css_files(cache_path, emoji_map, emoji_data)
def setup_old_emoji_farm(cache_path, emoji_map):
# type: (Text, Dict[Text, Text]) -> None
# Code for setting up old emoji farm.
# Some image files in the old emoji farm had a different name than in the new emoji
# farm. `remapped_emojis` is a map that contains a mapping of their name in the old
# emoji farm to their name in the new emoji farm.
remapped_emojis = {
"0023": "0023-20e3", # Hash
"0030": "0030-20e3", # Zero
"0031": "0031-20e3", # One
"0032": "0032-20e3", # Two
"0033": "0033-20e3", # Three
"0034": "0034-20e3", # Four
"0035": "0035-20e3", # Five
"0036": "0036-20e3", # Six
"0037": "0037-20e3", # Seven
"0038": "0038-20e3", # Eight
"0039": "0039-20e3", # Nine
"1f48f": "1f469-200d-2764-200d-1f48b-200d-1f468", # Couple kiss
"1f491": "1f469-200d-2764-200d-1f468", # Couple with heart
}
os.chdir(cache_path)
emoji_cache_path = os.path.join(cache_path, 'images', 'emoji')
unicode_emoji_cache_path = os.path.join(cache_path, 'images', 'emoji', 'unicode')
google_emoji_cache_path = os.path.join(cache_path, 'images-google-64')
# Symlink zulip.png image file.
image_file_path = os.path.join(google_emoji_cache_path, 'zulip.png')
symlink_path = os.path.join(emoji_cache_path, 'zulip.png')
os.symlink(image_file_path, symlink_path)
unicode_symlink_path = os.path.join(unicode_emoji_cache_path, 'zulip.png')
os.symlink(image_file_path, unicode_symlink_path)
for name, codepoint in emoji_map.items():
mapped_codepoint = remapped_emojis.get(codepoint, codepoint)
image_file_path = os.path.join(google_emoji_cache_path, '{}.png'.format(mapped_codepoint))
symlink_path = os.path.join(emoji_cache_path, '{}.png'.format(name))
os.symlink(image_file_path, symlink_path)
try:
# `emoji_map` contains duplicate entries for the same codepoint with different
# names. So creation of symlink for <codepoint>.png may throw `FileExistsError`.
unicode_symlink_path = os.path.join(unicode_emoji_cache_path, '{}.png'.format(codepoint))
os.symlink(image_file_path, unicode_symlink_path)
except FileExistsError:
pass
def dump_emojis(cache_path):
# type: (str) -> None
subprocess.call('ttx -v -z extfile -d {} NotoColorEmoji.ttf'.format(EMOJI_DUMP_DIR_PATH), shell=True)