65a8090215
chromium requires a custom format for hunspell dictionaries which they provide as blobs in an upstream repository. building from source (using convert_dict from the chromium monorepo and applying it to already packaged dictionaries) would not yield the same results (chromium packages adjustments to the dictionaries themselves) and would increase the maintainance cost. this patch adds a new hunspellDictsChromium attribute which includes dictionaries from chromium.
77 lines
3.1 KiB
Python
Executable file
77 lines
3.1 KiB
Python
Executable file
#! /usr/bin/env nix-shell
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#! nix-shell -i python3 -p python3 nix nix-prefetch-git
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import base64
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import fileinput
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import json
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import os
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import re
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import subprocess
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import sys
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from urllib.request import urlopen, Request
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DICTIONARIES_CHROMIUM_NIX = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'dictionaries-chromium.nix')
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def get_latest_chromium_stable_release():
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RELEASES_URL = 'https://versionhistory.googleapis.com/v1/chrome/platforms/linux/channels/stable/versions/all/releases'
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print(f'GET {RELEASES_URL}')
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with urlopen(RELEASES_URL) as resp:
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return json.load(resp)['releases'][0]
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def get_file_revision(revision, file_path):
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"""Fetches the requested Git revision of the given Chromium file."""
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url = f'https://chromium.googlesource.com/chromium/src/+/refs/tags/{revision}/{file_path}?format=TEXT'
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with urlopen(url) as http_response:
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resp = http_response.read()
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return base64.b64decode(resp)
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def nix_prefetch_git(url, rev):
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"""Prefetches the requested Git revision of the given repository URL."""
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print(f'nix-prefetch-git {url} {rev}')
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out = subprocess.check_output(['nix-prefetch-git', '--quiet', '--url', url, '--rev', rev])
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return json.loads(out)
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def get_current_revision():
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with open(DICTIONARIES_CHROMIUM_NIX) as f:
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for line in f:
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rev = re.search(r'^ rev = "(.*)";', line)
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if rev:
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return rev.group(1)
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sys.exit(1)
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print('Getting latest chromium version...')
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chromium_release = get_latest_chromium_stable_release()
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chromium_version = chromium_release['version']
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print(f'chromium version: {chromium_version}')
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print('Getting corresponding hunspell_dictionaries commit...')
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deps = get_file_revision(chromium_version, 'DEPS')
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hunspell_dictionaries_pattern = r"^\s*Var\('chromium_git'\)\s*\+\s*'\/chromium\/deps\/hunspell_dictionaries\.git'\s*\+\s*'@'\s*\+\s*'(\w*)',$"
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hunspell_dictionaries_commit = re.search(hunspell_dictionaries_pattern, deps.decode(), re.MULTILINE).group(1)
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print(f'hunspell_dictionaries commit: {hunspell_dictionaries_commit}')
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current_commit = get_current_revision()
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if current_commit == hunspell_dictionaries_commit:
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print('Commit is already packaged, no update needed.')
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sys.exit(0)
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print('Commit has changed compared to the current package, updating...')
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print('Getting hash of hunspell_dictionaries revision...')
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hunspell_dictionaries_git = nix_prefetch_git("https://chromium.googlesource.com/chromium/deps/hunspell_dictionaries", hunspell_dictionaries_commit)
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hunspell_dictionaries_hash = hunspell_dictionaries_git['hash']
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print(f'hunspell_dictionaries commit hash: {hunspell_dictionaries_hash}')
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with fileinput.FileInput(DICTIONARIES_CHROMIUM_NIX, inplace=True) as file:
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for line in file:
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result = re.sub(r'^ version = ".+";', f' version = "{chromium_version}";', line)
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result = re.sub(r'^ rev = ".*";', f' rev = "{hunspell_dictionaries_commit}";', result)
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result = re.sub(r'^ hash = ".+";', f' hash = "{hunspell_dictionaries_hash}";', result)
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print(result, end='')
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