Added printing requirements

z3c/rml/rml2pdf.py

@@ -0,0 +1,70 @@
+##############################################################################
+#
+# Copyright (c) 2007 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+##############################################################################
+"""RML to PDF Converter
+"""
+import cStringIO
+import os
+import sys
+import zope.interface
+from lxml import etree
+from z3c.rml import document, interfaces
+
+zope.interface.moduleProvides(interfaces.IRML2PDF)
+
+
+def parseString(xml, removeEncodingLine=True, filename=None):
+    if isinstance(xml, unicode) and removeEncodingLine:
+        # RML is a unicode string, but oftentimes documents declare their
+        # encoding using <?xml ...>. Unfortuantely, I cannot tell lxml to
+        # ignore that directive. Thus we remove it.
+        if xml.startswith('<?xml'):
+            xml = xml.split('\n', 1)[-1]
+    root = etree.fromstring(xml)
+    doc = document.Document(root)
+    if filename:
+        doc.filename = filename
+    output = cStringIO.StringIO()
+    doc.process(output)
+    output.seek(0)
+    return output
+
+
+def go(xmlInputName, outputFileName=None, outDir=None, dtdDir=None):
+    if dtdDir is not None:
+        sys.stderr.write('The ``dtdDir`` option is not yet supported.')
+
+    xmlFile = open(xmlInputName, 'r')
+    root = etree.parse(xmlFile).getroot()
+    doc = document.Document(root)
+    doc.filename = xmlInputName
+
+    outputFile = None
+
+    # If an output filename is specified, create an output filepointer for it
+    if outputFileName is not None:
+        if outDir is not None:
+            outputFileName = os.path.join(outDir, outputFileName)
+        outputFile = open(outputFileName, 'wb')
+
+    # Create a Reportlab canvas by processing the document
+    doc.process(outputFile)
+
+
+def main(args=None):
+    if args is None:
+        args = sys.argv[1:]
+    go(*args)
+
+if __name__ == '__main__':
+    canvas = go(sys.argv[1])