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#!/usr/bin/python
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import cgi, re, os, posixpath, mimetypes
from mako.lookup import TemplateLookup
from mako import exceptions
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()