Coverage/enhance (#46)

* remove `extract_namespaces` function

* `CHANGELOG.md` updated

* remove unused imports

* run `autopep8.sh`

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Removed
+- `extract_namespaces` function in `util.py`
 ### Added
 - `DMetaBaseError` added to `dmeta/__init__.py`
 ### Changed

dmeta/functions.py

@@ -44,7 +44,6 @@ def clear(microsoft_file_name, in_place=False):
                     xml_element.text = ""
         e_app.write(app_xml_path)
 
-
     modified = microsoft_file_name
     if not in_place:
         modified = microsoft_file_name[:microsoft_file_name.rfind('.')] + "_cleared" + "." + microsoft_format
@@ -58,7 +57,7 @@ def clear(microsoft_file_name, in_place=False):
 def clear_all(in_place=False):
     """
     Clear all the editable metadata in any microsoft file in the current directory.
-    
+
     :param in_place: the `in_place` flag applies the changes directly to the original file
     :type in_place: bool
     :return: None

dmeta/util.py

@@ -4,33 +4,11 @@
 import json
 from shutil import rmtree
 from zipfile import ZipFile
-import defusedxml.ElementTree as ET
 from .params import SUPPORTED_MICROSOFT_FORMATS, NOT_IMPLEMENTED_ERROR, \
     FILE_FORMAT_DOES_NOT_EXIST_ERROR, INVALID_CONFIG_FILE_NAME_ERROR, CONFIG_FILE_DOES_NOT_EXIST_ERROR
 from .errors import DMetaBaseError
 
 
-def extract_namespaces(xml_file_path):
-    """
-    Return used namespaces in the associated xml file.
-
-    :param xml_file_path: path to the xml file
-    :type xml_file_path: str
-    :return: dict of namespaces[name: value]
-    """
-    namespaces = {}
-    tree = ET.parse(xml_file_path)
-    root = tree.getroot()
-    # Extract namespaces from the root element
-    for key, value in root.attrib.items():
-        if key.startswith('xmlns:'):
-            _, _, cropped_name = key.partition(':')
-            namespaces[cropped_name] = value
-        elif key == 'xmlns':
-            namespaces['xmlns'] = value
-    return namespaces
-
-
 def get_microsoft_format(file_name):
     """
     Extract format from the end of the given microsoft file name.