[py] PEP 484 type hints for selenium.webdriver.remote.utils (#9525)

* [py] PEP 484 type hints for selenium.webdriver.remote.utils

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

* remove unused functions in webdriver.remote.utils

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

Co-authored-by: David Burns <david.burns@theautomatedtester.co.uk>

Author: hoefling

py/selenium/webdriver/remote/utils.py

@@ -16,75 +16,12 @@
 # under the License.
 
 import json
-import logging
-import os
-import tempfile
-import zipfile
+from typing import Any, Union
 
 
-LOGGER = logging.getLogger(__name__)
-
-
-def format_json(json_struct):
-    return json.dumps(json_struct, indent=4)
-
-
-def dump_json(json_struct):
+def dump_json(json_struct: Any) -> str:
     return json.dumps(json_struct)
 
 
-def load_json(s):
+def load_json(s: Union[str, bytes]) -> Any:
     return json.loads(s)
-
-
-def unzip_to_temp_dir(zip_file_name):
-    """Unzip zipfile to a temporary directory.
-
-    The directory of the unzipped files is returned if success,
-    otherwise None is returned. """
-    if not zip_file_name or not os.path.exists(zip_file_name):
-        return None
-
-    zf = zipfile.ZipFile(zip_file_name)
-
-    if zf.testzip():
-        return None
-
-    # Unzip the files into a temporary directory
-    LOGGER.info("Extracting zipped file: %s" % zip_file_name)
-    tempdir = tempfile.mkdtemp()
-
-    try:
-        # Create directories that don't exist
-        for zip_name in zf.namelist():
-            # We have no knowledge on the os where the zipped file was
-            # created, so we restrict to zip files with paths without
-            # character "\" and "/".
-            name = (zip_name.replace("\\", os.path.sep).
-                    replace("/", os.path.sep))
-            dest = os.path.join(tempdir, name)
-            if (name.endswith(os.path.sep) and not os.path.exists(dest)):
-                os.mkdir(dest)
-                LOGGER.debug("Directory %s created." % dest)
-
-        # Copy files
-        for zip_name in zf.namelist():
-            # We have no knowledge on the os where the zipped file was
-            # created, so we restrict to zip files with paths without
-            # character "\" and "/".
-            name = (zip_name.replace("\\", os.path.sep).
-                    replace("/", os.path.sep))
-            dest = os.path.join(tempdir, name)
-            if not (name.endswith(os.path.sep)):
-                LOGGER.debug("Copying file %s......" % dest)
-                outfile = open(dest, 'wb')
-                outfile.write(zf.read(zip_name))
-                outfile.close()
-                LOGGER.debug("File %s copied." % dest)
-
-        LOGGER.info("Unzipped file can be found at %s" % tempdir)
-        return tempdir
-
-    except IOError as err:
-        LOGGER.error("Error in extracting webdriver.xpi: %s" % err)
-        return None