1 files changed, 89 insertions, 0 deletions
diff --git a/examples/wsgi/run_wsgi.py b/examples/wsgi/run_wsgi.py
new file mode 100644
index 0000000..a51a463
--- /dev/null
+++ b/examples/wsgi/run_wsgi.py
@@ -0,0 +1,89 @@
+#!/usr/bin/python
+import cgi
+import mimetypes
+import os
+import posixpath
+import re
+
+from mako import exceptions
+from mako.lookup import TemplateLookup
+
+root = "./"
+port = 8000
+
+lookup = TemplateLookup(
+    directories=[root + "templates", root + "htdocs"],
+    filesystem_checks=True,
+    module_directory="./modules",
+    # even better would be to use 'charset' in start_response
+    output_encoding="ascii",
+    encoding_errors="replace",
+)
+
+
+def serve(environ, start_response):
+    """serves requests using the WSGI callable interface."""
+    fieldstorage = cgi.FieldStorage(
+        fp=environ["wsgi.input"], environ=environ, keep_blank_values=True
+    )
+    d = dict([(k, getfield(fieldstorage[k])) for k in fieldstorage])
+
+    uri = environ.get("PATH_INFO", "/")
+    if not uri:
+        uri = "/index.html"
+    else:
+        uri = re.sub(r"^/$", "/index.html", uri)
+
+    if re.match(r".*\.html$", uri):
+        try:
+            template = lookup.get_template(uri)
+        except exceptions.TopLevelLookupException:
+            start_response("404 Not Found", [])
+            return [str.encode("Cant find template '%s'" % uri)]
+
+        start_response("200 OK", [("Content-type", "text/html")])
+
+        try:
+            return [template.render(**d)]
+        except:
+            return [exceptions.html_error_template().render()]
+    else:
+        u = re.sub(r"^\/+", "", uri)
+        filename = os.path.join(root, u)
+        if os.path.isfile(filename):
+            start_response("200 OK", [("Content-type", guess_type(uri))])
+            return [open(filename, "rb").read()]
+        else:
+            start_response("404 Not Found", [])
+            return [str.encode("File not found: '%s'" % filename)]
+
+
+def getfield(f):
+    """convert values from cgi.Field objects to plain values."""
+    if isinstance(f, list):
+        return [getfield(x) for x in f]
+    else:
+        return f.value
+
+
+extensions_map = mimetypes.types_map.copy()
+
+
+def guess_type(path):
+    """return a mimetype for the given path based on file extension."""
+    base, ext = posixpath.splitext(path)
+    if ext in extensions_map:
+        return extensions_map[ext]
+    ext = ext.lower()
+    if ext in extensions_map:
+        return extensions_map[ext]
+    else:
+        return "text/html"
+
+
+if __name__ == "__main__":
+    import wsgiref.simple_server
+
+    server = wsgiref.simple_server.make_server("", port, serve)
+    print("Server listening on port %d" % port)
+    server.serve_forever()