First working release.

Other files (not .docx) support is not guaranteed

modules/document/document_file.py

@@ -0,0 +1,30 @@
+import os.path
+import tempfile
+import zipfile
+import shutil
+
+
+class ExtractedDocument:
+    def __init__(self, path: str):
+        self.documentroot = None
+        self.app = None
+        self.core = None
+        if zipfile.is_zipfile(path):
+            self.documentroot = tempfile.mkdtemp()
+            zipfile.ZipFile(path).extractall(self.documentroot)
+            self.app = os.path.join(self.documentroot, 'docProps', 'app.xml')
+            self.core = os.path.join(self.documentroot, 'docProps', 'core.xml')
+
+    def pack(self, path):
+        with zipfile.ZipFile(path, "w", compresslevel=9, compression=zipfile.ZIP_DEFLATED) as z:
+            for root, dirs, files in os.walk(self.documentroot):
+                for file in files:
+                    z.write(os.path.join(root, file),
+                            os.path.relpath(os.path.join(root, file),
+                                            self.documentroot))
+
+    def remove(self):
+        try:
+            shutil.rmtree(self.documentroot, True)
+        except Exception as e:
+            print(f'Error while removing {self.documentroot}: {e}, remove it manually if you want')