#!/usr/bin/python
import cgi, re, os, posixpath, mimetypes
from mako.lookup import TemplateLookup
from mako import exceptions
root = './'
port = 8000
error_style = 'html' # select 'text' for plaintext error reporting
lookup = TemplateLookup(directories=[root + 'templates', root + 'htdocs'], filesystem_checks=True, module_directory='./modules')
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)
start_response("200 OK", [('Content-type','text/html')])
return [template.render(**d)]
except exceptions.TopLevelLookupException:
start_response("404 Not Found", [])
return ["Cant find template '%s'" % uri]
except:
if error_style == 'text':
start_response("200 OK", [('Content-type','text/plain')])
return [exceptions.text_error_template().render()]
else:
start_response("200 OK", [('Content-type','text/html')])
return [exceptions.html_error_template().render()]
else:
u = re.sub(r'^\/+', '', uri)
filename = os.path.join(root, u)
start_response("200 OK", [('Content-type',guess_type(uri))])
return [file(filename).read()]
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()
extensions_map.update({
'': 'text/html', # Default
})
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 extensions_map['']
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()
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