Added missing dump module

ebook_converter/ebooks/docx/dump.py

@@ -0,0 +1,38 @@
+import os
+import shutil
+
+from lxml import etree
+
+from ebook_converter import walk
+from ebook_converter.utils.zipfile import ZipFile
+from ebook_converter.utils.xml_parse import safe_xml_fromstring
+
+
+def pretty_all_xml_in_dir(path):
+    for f in walk(path):
+        if f.endswith('.xml') or f.endswith('.rels'):
+            with open(f, 'r+b') as stream:
+                raw = stream.read()
+                if raw:
+                    root = safe_xml_fromstring(raw)
+                    stream.seek(0)
+                    stream.truncate()
+                    stream.write(etree.tostring(root, pretty_print=True,
+                                                encoding='utf-8',
+                                                xml_declaration=True))
+
+
+def do_dump(path, dest):
+    if os.path.exists(dest):
+        shutil.rmtree(dest)
+    with ZipFile(path) as zf:
+        zf.extractall(dest)
+    pretty_all_xml_in_dir(dest)
+
+
+def dump(path):
+    dest = os.path.splitext(os.path.basename(path))[0]
+    dest += '-dumped'
+    do_dump(path, dest)
+
+    print(path, 'dumped to', dest)