First running version

.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>python-docx-template</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.python.pydev.PyDevBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.python.pydev.pythonNature</nature>
+	</natures>
+</projectDescription>

.pydevproject

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?eclipse-pydev version="1.0"?><pydev_project>
+<pydev_property name="org.python.pydev.PYTHON_PROJECT_INTERPRETER">Default</pydev_property>
+<pydev_property name="org.python.pydev.PYTHON_PROJECT_VERSION">python 2.7</pydev_property>
+</pydev_project>

.settings/org.eclipse.core.resources.prefs

@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding//docxtpl/__init__.py=utf-8

docxtpl/__init__.py

@@ -7,10 +7,64 @@ Created : 2015-03-12
 
 __version__ = '0.1.1'
 
+from lxml import etree
+from docx import Document
+from jinja2 import Template
+import copy
+import re
 
 class DocxTemplate(object):
     """ Class for managing docx files as they were jinja2 templates """
-    pass
+    def __init__(self, docx):
+        self.docx = Document(docx)
+    
+    def __getattr__(self, name):        
+        return getattr(self.docx, name)
+    
+    def build_xml(self,context):
+        src_xml = etree.tostring(self.docx._element.body, pretty_print=True)
+        
+        with open('/tmp/docx1.xml','w') as fh:
+            fh.write(src_xml)
+
+        # strip all xml tags inside {% %} and {{ }}
+        # that Microsoft word can insert into xml code for this part of the document
+        def striptags(m):
+            return re.sub('</w:t>.*?(<w:t>|<w:t [^>]*>)','',m.group(0),flags=re.DOTALL)
+        src_xml = re.sub(r'{%(?:(?!%}).)*|{{(?:(?!}}).)*',striptags,src_xml,flags=re.DOTALL)
+        
+        # manage table cell background color
+        def cellbg(m):
+            cell_xml = m.group(1) + m.group(3)
+            cell_xml = re.sub(r'<w:r[ >](?:(?!<w:r[ >]).)*<w:t></w:t>.*?</w:r>','',cell_xml,flags=re.DOTALL)
+            return re.sub(r'(<w:shd[^/]*w:fill=")[^"]*("[^/]*/>)',r'\1{{ %s}}\2' % m.group(2), cell_xml)
+        src_xml = re.sub(r'(<w:tc[ >](?:(?!<w:tc[ >]).)*){%\s*cellbg\s+([^%]*)\s*%}(.*?</w:tc>)',cellbg,src_xml,flags=re.DOTALL)
+        
+        # replace xml code corresponding to the paragraph containing {{{ xxx }}} by {{ xxx }}
+        src_xml = re.sub(r'<w:p[ >](?:(?!<w:p[ >]).)*{{{([^}]*)}}}.*?</w:p>',r'{{\1}}',src_xml,flags=re.DOTALL)
+        
+        # replace xml code corresponding to the row containing {% tr-xxx template tag by {% xxx template tag itself
+        src_xml = re.sub(r'<w:tr[ >](?:(?!<w:tr[ >]).)*{%\s*tr-([^%]*%}).*?</w:tr>',r'{% \1',src_xml,flags=re.DOTALL)
+        
+        # replace xml code corresponding to the paragraph containing {% p-xxx template tag by {% xxx template tag itself
+        src_xml = re.sub(r'<w:p[ >](?:(?!<w:p[ >]).)*{%\s*p-([^%]*%}).*?</w:p>',r'{% \1',src_xml,flags=re.DOTALL)
+        
+        with open('/tmp/docx2.xml','w') as fh:
+            fh.write(src_xml)
+        
+        template = Template(src_xml)
+        dst_xml = template.render(context)
+        
+        return dst_xml
+        
+    def map_xml(self,xml):
+        root = self.docx._element
+        body = root.body
+        root.replace(body,etree.fromstring(xml))
+
+    def render(self,context):
+        xml = self.build_xml(context)
+        self.map_xml(xml)
 
 class Subdoc(object):
     """ Class for subdocumentation insertion into master document """

tests/order.py

@@ -0,0 +1,19 @@
+from docxtpl import DocxTemplate
+
+tpl=DocxTemplate('test_files/order_tpl.docx')
+
+context = { 
+    'customer_name' : 'Eric',
+    'items' : [
+        {'desc' : 'Python interpreters', 'qty' : 2, 'price' : 'FREE' },
+        {'desc' : 'Django projects', 'qty' : 5403, 'price' : 'FREE' },
+        {'desc' : 'Guido', 'qty' : 1, 'price' : '100,000,000.00' },
+    ], 
+    'in_europe' : True, 
+    'is_paid': False,
+    'company_name' : 'The World Wide company', 
+    'total_price' : '100,000,000.00' 
+}
+
+tpl.render(context)
+tpl.save('test_files/order.docx')