From 302f55a861ebca4171ab3ae786f9df987c8edbbb Mon Sep 17 00:00:00 2001
From: Alexeev Nickolay <zt50tz@gmail.com>
Date: Wed, 13 Feb 2019 19:33:27 +0300
Subject: [PATCH] (feat) implement xml properties and html attributes for
 "transform" usage

---
 mammoth/conversion.py    |  7 +++++++
 mammoth/documents.py     | 15 ++++++++++++---
 mammoth/docx/body_xml.py |  2 ++
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/mammoth/conversion.py b/mammoth/conversion.py
index d463116..6634da3 100644
--- a/mammoth/conversion.py
+++ b/mammoth/conversion.py
@@ -103,6 +103,9 @@ def children():
                 return [html.force_write] + content
 
         html_path = self._find_html_path_for_paragraph(paragraph)
+        if paragraph.html_attributes:
+            for el in html_path.elements:
+                el.tag.attributes = paragraph.html_attributes
         return html_path.wrap(children)
 
 
@@ -124,6 +127,10 @@ def visit_run(self, run, context):
         if run.is_bold:
             paths.append(self._find_style_for_run_property("bold", default="strong"))
         paths.append(self._find_html_path_for_run(run))
+        if run.html_attributes:
+            if isinstance(paths[0], html_paths.HtmlPath):
+                paths.insert(0, html_paths.element(["span"], fresh=False))
+            paths[0].tag.attributes.update(run.html_attributes)
 
         for path in paths:
             nodes = partial(path.wrap, nodes)
diff --git a/mammoth/documents.py b/mammoth/documents.py
index b00f1bb..bc361af 100644
--- a/mammoth/documents.py
+++ b/mammoth/documents.py
@@ -22,6 +22,8 @@ class Paragraph(HasChildren):
     numbering = cobble.field()
     alignment = cobble.field()
     indent = cobble.field()
+    xml_properties = cobble.field()
+    html_attributes = cobble.field()
 
 
 @cobble.data
@@ -51,6 +53,8 @@ class Run(HasChildren):
     is_small_caps = cobble.field()
     vertical_alignment = cobble.field()
     font = cobble.field()
+    xml_properties = cobble.field()
+    html_attributes = cobble.field()
 
 @cobble.data
 class Text(Element):
@@ -104,11 +108,12 @@ def document(children, notes=None, comments=None):
         comments = []
     return Document(children, notes, comments=comments)
 
-def paragraph(children, style_id=None, style_name=None, numbering=None, alignment=None, indent=None):
+def paragraph(children, style_id=None, style_name=None, numbering=None, alignment=None, indent=None, xml_properties=None, html_attributes=None):
     if indent is None:
         indent = paragraph_indent()
-    
-    return Paragraph(children, style_id, style_name, numbering, alignment=alignment, indent=indent)
+    if html_attributes is None:
+        html_attributes = {}
+    return Paragraph(children, style_id, style_name, numbering, alignment=alignment, indent=indent, xml_properties=xml_properties, html_attributes=html_attributes)
 
 def paragraph_indent(start=None, end=None, first_line=None, hanging=None):
     return ParagraphIndent(start=start, end=end, first_line=first_line, hanging=hanging)
@@ -124,6 +129,8 @@ def run(
     is_small_caps=None,
     vertical_alignment=None,
     font=None,
+    xml_properties=None,
+    html_attributes=None
 ):
     if vertical_alignment is None:
         vertical_alignment = VerticalAlignment.baseline
@@ -138,6 +145,8 @@ def run(
         is_small_caps=bool(is_small_caps),
         vertical_alignment=vertical_alignment,
         font=font,
+        xml_properties=xml_properties,
+        html_attributes=html_attributes or {},
     )
 
 class VerticalAlignment(object):
diff --git a/mammoth/docx/body_xml.py b/mammoth/docx/body_xml.py
index d6ca993..69ce676 100644
--- a/mammoth/docx/body_xml.py
+++ b/mammoth/docx/body_xml.py
@@ -107,6 +107,7 @@ def add_complex_field_hyperlink(children):
                 is_small_caps=is_small_caps,
                 vertical_alignment=vertical_alignment,
                 font=font,
+                xml_properties=properties
             ))
     
     def _read_run_style(properties):
@@ -132,6 +133,7 @@ def paragraph(element):
                 numbering=numbering,
                 alignment=alignment,
                 indent=indent,
+                xml_properties=properties,
             )).append_extra()
     
     def _read_paragraph_style(properties):