myrdd · December 12, 2017 07:41 · Dec 12, 2017
diff --git a/convert.py b/convert.py
@@ -0,0 +1,126 @@
+#!/usr/bin/python3
+
+# source: https://github.com/RequestPolicyContinued/requestpolicy/issues/876
+
+import os
+import re
+
+default_locale = 'en-US'
+locales = [
+    'de', 'en-US', 'eo', 'es-ES', 'es-MX', 'eu', 'fr', 'it', 'ja', 'ko-KR',
+    'lv-LV', 'nl', 'pl', 'pt-BR', 'ru-RU', 'sk-SK', 'sv-SE', 'tr', 'uk-UA',
+    'zh-CN', 'zh-TW',
+]
+
+TAB = '  '
+
+
+def src_path(locale):
+    return "src/locale/{}/requestpolicy.properties".format(locale)
+
+
+def dest_path(locale):
+    locale = locale.replace('-', '_')
+    return "src/conditional/webextension/_locales/{}/messages.json".format(locale)
+
+
+def addon_description(locale, list_):
+    with open('src/conditional/legacy/install.rdf', 'r') as s:
+        match = re.search(r'''
+            \s*  <em:localized>
+            \s*    <Description>
+            \s*      <em:locale>{}</em:locale>
+            \s*      <em:name>([^<]*)</em:name>
+            \s*      <em:description>([^<]*)</em:description>
+            \s*    </Description>
+            \s*  </em:localized>
+            \s*
+        '''.format(locale), s.read().replace('\n', ' '), re.VERBOSE)
+        if match is not None:
+            list_.insert(0, 'extensionName=' + match.group(1))
+            list_.insert(1, 'extensionDescription=' + match.group(2))
+
+
+def map_str(str_):
+    return (
+        str_
+        .replace('%S', '$1')
+        .replace('%1$S', '$1')
+        .replace('%2$S', '$2')
+        .replace(r'\"', r'"')
+        .replace('"', r'\"')
+    )
+
+
+def get_list(locale):
+    l = []
+    with open(src_path(locale), "r") as s:
+        l = s.read().split("\n")
+    addon_description(locale, l)
+    l = [map_str(s).split('=') for s in l if s != '']
+    return l
+
+
+def get_dict(locale):
+    l = get_list(locale)
+    d = {}
+    for [key, value] in l:
+        d[key] = value
+    return d
+
+
+def reduce_dict(d, d_default):
+    for key in list(d.keys()):
+        assert key in d_default
+        if d[key] == d_default[key]:
+            del d[key]
+
+
+def key_order():
+    l = get_list(default_locale)
+    for [key, _] in l:
+        yield key
+
+
+def get_entries(d, d_default):
+    for key in key_order():
+        if key not in d:
+            continue
+        tvalue = d[key]
+        dvalue = d_default[key]
+        entry = ""
+        entry += (TAB*1) + "\"" + key + "\": {\n"
+        entry += (TAB*2) + "\"message\": \"" + tvalue + "\",\n"
+        entry += (TAB*2) + "\"description\": \"" + dvalue + "\"\n"
+        entry += TAB + "}"
+        yield entry
+
+
+def main():
+    print("Converting from .properties to messages.json...")
+
+    d_default = get_dict(default_locale)
+
+    for locale in locales:
+        print(locale)
+
+        d = get_dict(locale)
+        if locale != default_locale:
+            reduce_dict(d, d_default)
+
+        destfile_path = dest_path(locale)
+        destdir_path = os.path.dirname(destfile_path)
+
+        if not os.path.exists(destdir_path):
+            os.makedirs(destdir_path)
+
+        # Write messages.json file
+        with open(destfile_path, "w") as f:
+            f.write("{\n")
+            entries = list(get_entries(d, d_default))
+            f.write(",\n\n".join(entries))
+            f.write("\n}\n")
+
+    print("Done.")
+
+main()