# HG changeset patch
# User paulb
# Date 1103568972 0
# Node ID aea4c12cebfd800a3278c5eae4290f032da31285
# Parent  5cde59bd9f4764bdf800f58070ccb34b73ebc685
[project @ 2004-12-20 18:56:12 by paulb]
Added an example application.

diff -r 5cde59bd9f47 -r aea4c12cebfd examples/Common/PEP241/__init__.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/Common/PEP241/__init__.py	Mon Dec 20 18:56:12 2004 +0000
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+
+"A WebStack application for a PEP 241 repository."
+
+import WebStack.Generic
+import XSLForms.Fields
+import XSLForms.Output
+import XSLOutput
+import os
+
+class PEP241Resource:
+
+    "A resource providing repository browsing."
+
+    resource_dir = os.path.join(os.path.split(__file__)[0], "Resources")
+    encoding = "utf-8"
+
+    def respond(self, trans):
+
+        # Produce stylesheet.
+
+        if trans.get_path_info().split("/")[-1] == "styles.css":
+            trans.set_content_type(WebStack.Generic.ContentType("text/css", self.encoding))
+            out = trans.get_response_stream()
+            f = open(os.path.join(self.resource_dir, "styles.css"), "rb")
+            out.write(f.read())
+            f.close()
+            raise WebStack.Generic.EndOfResponse
+
+        # Handle other requests.
+
+        global XSLForms # NOTE: Strangely required to avoid UnboundLocalError!
+        method = trans.get_request_method()
+        if method == "GET":
+            fields = XSLForms.Fields.Fields(encoding="iso-8859-1", values_are_lists=1)
+            documents = fields.make_documents(trans.get_fields_from_path().items())
+        elif method == "POST":
+            fields = XSLForms.Fields.Fields(encoding=self.encoding, values_are_lists=1)
+            documents = fields.make_documents(trans.get_fields_from_body(self.encoding).items())
+        else:
+            trans.set_response_code(405)
+            raise WebStack.Generic.EndOfResponse
+
+        # Ensure the presence of a document.
+
+        if documents.has_key("package"):
+            package = documents["package"]
+        else:
+            package = fields.new_instance("package")
+
+        import libxml2dom, sys
+        libxml2dom.toStream(package, sys.stderr)
+
+        # Start the response.
+
+        trans.set_content_type(WebStack.Generic.ContentType("text/html", self.encoding))
+
+        # Ensure that an output stylesheet exists.
+
+        trans_xsl = os.path.join(self.resource_dir, "pep241_output.xsl")
+        template_xml = os.path.join(self.resource_dir, "pep241_template.xhtml")
+
+        if not os.path.exists(trans_xsl) or \
+            os.path.getmtime(trans_xsl) < os.path.getmtime(template_xml):
+
+            import XSLForms.Prepare
+            template_xml = os.path.join(self.resource_dir, "pep241_template.xhtml")
+            XSLForms.Prepare.make_stylesheet(template_xml, trans_xsl)
+
+        # Complete the response.
+
+        proc = XSLOutput.Processor([trans_xsl])
+        proc.send_output(trans.get_response_stream(), trans.get_response_stream_encoding(),
+            package)
+
+# vim: tabstop=4 expandtab shiftwidth=4