Get version of reference manual from package version.

CHANGES.rst

@@ -5,6 +5,8 @@ CHANGES
 2.8.0 (unreleased)
 ------------------
 
+- Get version of reference manual from package version.
+
 - Added the ability to specify any set of characters as the "bullet content"
   like it is supported by ReportLab.
 

setup.py

@@ -43,7 +43,7 @@ def alltests():
 
 setup (
     name="z3c.rml",
-    version='2.7.3.dev0',
+    version='2.8.0',
     author="Stephan Richter and the Zope Community",
     author_email="zope-dev@zope.org",
     description="An alternative implementation of RML",

src/z3c/rml/__init__.py

@@ -2,6 +2,8 @@
 import z3c.rml.paraparser
 import z3c.rml.rlfix
 
+import pkg_resources
+__version__ = pkg_resources.require('z3c.rml')[0].version
 
 from reportlab.lib.styles import getSampleStyleSheet
 SampleStyleSheet = getSampleStyleSheet()

src/z3c/rml/reference.pt

@@ -112,7 +112,7 @@
         </drawCenteredString>
         <setFont name="Helvetica" size="24" />
         <drawCenteredString x="10.5cm" y="18.5cm">
-          Version 2.1
+          Version <tal:block replace="context/version" />
         </drawCenteredString>
       </pageGraphics>
       <frame id="main" x1="3cm" y1="2cm" width="17cm" height="25.7cm" />

src/z3c/rml/reference.py

@@ -22,7 +22,7 @@
 from lxml import etree
 from xml.sax import saxutils
 from pygments.lexers import XmlLexer
-from z3c.rml import attr, document, interfaces, pagetemplate
+from z3c.rml import attr, document, interfaces, pagetemplate, __version__
 
 
 INPUT_URL = ('https://github.com/zopefoundation/z3c.rml/blob/master/src/z3c/'
@@ -238,5 +238,8 @@ def main(outPath=None):
     processSignature('document', document.IDocument, examples, directives)
     directives = sorted(directives.values(), key=lambda d: d['name'])
 
-    pdf = template(types=getAttributeTypes(), directives=directives)
+    pdf = template(
+        version=__version__,
+        types=getAttributeTypes(),
+        directives=directives)
     open(outPath or 'rml-reference.pdf', 'wb').write(pdf)