Issue 6076 - Remove old search engine ordering logic

mozharness/abb/transform_locales.py

Index: mozharness/abb/transform_locales.py
===================================================================
--- a/mozharness/abb/transform_locales.py
+++ b/mozharness/abb/transform_locales.py
@@ -10,82 +10,38 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import re
-import shutil
 import sys
 
 _LOCALE_RE = re.compile("^([a-z]{2,3}(?:-[A-Z]{2})?)$")
 _VALUES_LOCALE_RE = re.compile("^values-([a-z]{2,3}(?:-r[A-Z]{2})?)$")
 
-_SEARCH_PROPS_RE = re.compile("^browser\.search\."
-                              "(defaultenginename|order\.).*$")
-_SHORTNAME_RE = re.compile("^<ShortName>(.*)</ShortName>$")
-
 _PROPERTY_FORMAT_RE = re.compile("^(([^=]*)=)(.*)$")
 _ENTITY_FORMAT_RE = re.compile("^(\s*<!ENTITY\s*([^\"\s]*)\s*\")(.*)(\">)$")
 _STRING_FORMAT_RE = re.compile(
     "^(\s*<string name=\"([^\"]*)\">)(.*)(</string>)$")
 
 _MOZBUILD_PATH = os.path.join("python", "mozbuild")
 
 _CHROME_PATH = os.path.join("dist", "bin", "chrome")
 _RES_PATH = os.path.join("mobile", "android", "base", "res")
 
 _BROWSER_DIR = "browser"
-_SEARCHPLUGINS_PATH = os.path.join(_BROWSER_DIR, "searchplugins")
-_LIST_TXT_PATH = os.path.join(_SEARCHPLUGINS_PATH, "list.txt")
-_REGION_PROPS_PATH = os.path.join(_BROWSER_DIR, "region.properties")
 
 _APPSTRINGS_PROPS_PATH = os.path.join(_BROWSER_DIR, "appstrings.properties")
 _STRINGS_XML_PATH = "strings.xml"
 
 _DEFAULT_LOCALE = "en-US"
 
-# Add Ecosia as secondary search engine.
-# See https://issues.adblockplus.org/ticket/5518
-_ECOSIA_ID = "ecosia"
-_ECOSIA_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)),
-                            "ecosia.xml")
-
-_SEARCH_ENGINE_ORDER_DEFAULT = [
-    "duckduckgo",
-    "yahoo",
-    "google",
-    "wikipedia",
-    "amazon"]
-
-_SEARCH_ENGINE_ORDER_ECOSIA = [
-    "duckduckgo",
-    "yahoo",
-    "google",
-    _ECOSIA_ID,
-    "wikipedia",
-    "amazon"]
-
-_SEARCH_ENGINE_ORDER = {
-    "de": _SEARCH_ENGINE_ORDER_ECOSIA,
-    "en-GB": _SEARCH_ENGINE_ORDER_ECOSIA,
-    "en-US": _SEARCH_ENGINE_ORDER_ECOSIA,
-    "fr": _SEARCH_ENGINE_ORDER_ECOSIA,
-    "nl": _SEARCH_ENGINE_ORDER_ECOSIA,
-    "zh-CN": ["baidu",
-              "duckduckgo",
-              "yahoo",
-              "google",
-              "wikipedia",
-              "amazon"
-              ]
-}
-
 _FIREFOX_REPLACE_STR = "Firefox"
 _ABB_REPLACEMENT_STR = "Adblock Browser"
 
 # Some string values that contain Firefox such as 'Firefox Sync' shouldn't be
 # replaced, so we keep a list of ids that are exceptions
 _ENTITY_EXCEPTIONS = [
     "overlay_no_synced_devices",
     "home_remote_tabs_need_to_sign_in",
@@ -151,118 +107,20 @@ def _write_lines(filename, lines):
     with open(filename, "w") as fd:
         for l in lines:
             fd.write("%s\n" % l)
 
 
 def _transform_locale(locale, path, logger):
     logger.info("Processing locale '%s'..." % locale)
 
-    # Check for list.txt existence
-    list_file_path = os.path.join(path, _LIST_TXT_PATH)
-    _check_path_exists(list_file_path, logger)
-
-    # Check for region.properties existence
-    region_file_path = os.path.join(path, _REGION_PROPS_PATH)
-    _check_path_exists(region_file_path, logger)
-
     # Check for appstrings.properties existence
     appstrings_file_path = os.path.join(path, _APPSTRINGS_PROPS_PATH)
     _check_path_exists(appstrings_file_path, logger)
 
-    ecosia_dst = os.path.join(path, _SEARCHPLUGINS_PATH,
-                              os.path.basename(_ECOSIA_PATH))
-
-    # Get whitelist and build regex
-    whitelist = _SEARCH_ENGINE_ORDER.get(locale,
-                                         _SEARCH_ENGINE_ORDER_DEFAULT)
-    white_re = re.compile("^(%s).*$" % "|".join(whitelist))
-
-    if _ECOSIA_ID in whitelist and not os.path.exists(ecosia_dst):
-        shutil.copyfile(_ECOSIA_PATH, ecosia_dst)
-
-    # Read engine IDs from list.txt, discard engines not on whitelist
-    all_engine_ids = []
-    engine_ids = []
-    removed_engine_ids = []
-    with open(list_file_path, "r") as fd:
-        for line in fd:
-            line = line.strip()
-            all_engine_ids.append(line)
-            if len(line) > 0:
-                if white_re.match(line):
-                    engine_ids.append(line)
-                else:
-                    removed_engine_ids.append(line)
-
-    if _ECOSIA_ID in whitelist and _ECOSIA_ID not in all_engine_ids:
-        all_engine_ids.append(_ECOSIA_ID)
-        engine_ids.append(_ECOSIA_ID)
-
-    # Make sure we still have search engines left
-    if len(engine_ids) == 0:
-        logger.fatal("No search engines left over for '%s'" % locale)
-
-    # 'Parse' XML to get matching 'ShortName' for all engine IDs
-    engine_names = {}
-    for eid in engine_ids[:]:
-        xml_file_path = os.path.join(path, _SEARCHPLUGINS_PATH, "%s.xml" % eid)
-        if not os.path.exists(xml_file_path):
-            logger.info("Missing xml file for plugin %s. Searched in path %s" %
-                        (eid, xml_file_path))
-            engine_ids.remove(eid)
-            continue
-        short_name = None
-        with open(xml_file_path, "r") as fd:
-            for line in fd:
-                line = line.strip()
-                match = _SHORTNAME_RE.match(line)
-                if match:
-                    short_name = match.group(1).strip()
-
-        if not short_name:
-            logger.fatal("No ShortName defined for '%s' in '%s" %
-                         (eid, locale))
-        engine_names[eid] = short_name
-
-    logger.info("Removed search engine IDs: %s" %
-                ", ".join(removed_engine_ids))
-    logger.info("Remaining search engine IDs: %s" % ", ".join(engine_ids))
-
-    # Create search engine order with real engine names
-    engine_order = []
-    for eid in whitelist:
-        sn = _get_shortname_from_id(eid, engine_ids, engine_names)
-        if sn:
-            engine_order.append(sn)
-
-    logger.info("Resulting search engine ordered list: %s" %
-                (", ".join(engine_order)))
-
-    # Read region.properties and remove browser.search.* lines
-    props = []
-    with open(region_file_path, "r") as fd:
-        for line in fd:
-            line = line.rstrip("\r\n")
-            if not _SEARCH_PROPS_RE.match(line.strip()):
-                props.append(line)
-
-    # Append default search engine name
-    props.append("browser.search.defaultenginename=%s" % engine_order[0])
-
-    # Append search engine order
-    for i in range(0, min(5, len(engine_order))):
-        props.append("browser.search.order.%d=%s" % (i + 1, engine_order[i]))
-
-    # Write back list.txt
-    _write_lines(list_file_path, all_engine_ids)
-
-    # Write back region.properties
-    _write_lines(region_file_path, props)
-
     # Replaces ocurrences of 'Firefox' by 'Adblock Browser' in
     # 'appstrings.properties'
     lines = []
     replacement_count = 0
 
     with open(appstrings_file_path, "r") as fd:
         for line in fd:
             line = line.rstrip("\r\n")