def __init__(self,
request,
field,
id_field=None,
db=None,
orderby=None,
limitby=(0, 10),
keyword='_autocomplete_%(fieldname)s',
min_length=2):
self.request = request
self.keyword = keyword % dict(fieldname=field.name)
self.db = db or field._db
self.orderby = orderby
self.limitby = limitby
self.min_length = min_length
self.fields = [field]
if id_field:
self.is_reference = True
self.fields.append(id_field)
else:
self.is_reference = False
if hasattr(request, 'application'):
self.url = Url(r=request, args=request.args)
self.callback()
else:
self.url = request
def wsgibase(environ, responder):
"""
this is the gluon wsgi application. the first function called when a page
is requested (static or dynamic). it can be called by paste.httpserver
or by apache mod_wsgi.
- fills request with info
- the environment variables, replacing '.' with '_'
- adds web2py path and version info
- compensates for fcgi missing path_info and query_string
- validates the path in url
The url path must be either:
1. for static pages:
- /<application>/static/<file>
2. for dynamic pages:
- /<application>[/<controller>[/<function>[/<sub>]]][.<extension>]
- (sub may go several levels deep, currently 3 levels are supported:
sub1/sub2/sub3)
The naming conventions are:
- application, controller, function and extension may only contain
[a-zA-Z0-9_]
- file and sub may also contain '-', '=', '.' and '/'
"""
current.__dict__.clear()
request = Request()
response = Response()
session = Session()
request.env.web2py_path = global_settings.applications_parent
request.env.web2py_version = web2py_version
request.env.update(global_settings)
static_file = False
try:
try:
try:
# ##################################################
# handle fcgi missing path_info and query_string
# select rewrite parameters
# rewrite incoming URL
# parse rewritten header variables
# parse rewritten URL
# serve file if static
# ##################################################
if not environ.get('PATH_INFO',None) and \
environ.get('REQUEST_URI',None):
# for fcgi, get path_info and query_string from request_uri
items = environ['REQUEST_URI'].split('?')
environ['PATH_INFO'] = items[0]
if len(items) > 1:
environ['QUERY_STRING'] = items[1]
else:
environ['QUERY_STRING'] = ''
if not environ.get('HTTP_HOST',None):
environ['HTTP_HOST'] = '%s:%s' % (environ.get('SERVER_NAME'),
environ.get('SERVER_PORT'))
(static_file, environ) = rewrite.url_in(request, environ)
if static_file:
if request.env.get('query_string', '')[:10] == 'attachment':
response.headers['Content-Disposition'] = 'attachment'
response.stream(static_file, request=request)
# ##################################################
# fill in request items
# ##################################################
http_host = request.env.http_host.split(':',1)[0]
local_hosts = [http_host,'::1','127.0.0.1','::ffff:127.0.0.1']
if not global_settings.web2py_runtime_gae:
local_hosts += [socket.gethostname(),
socket.gethostbyname(http_host)]
request.client = get_client(request.env)
request.folder = abspath('applications',
request.application) + os.sep
x_req_with = str(request.env.http_x_requested_with).lower()
request.ajax = x_req_with == 'xmlhttprequest'
request.cid = request.env.http_web2py_component_element
request.is_local = request.env.remote_addr in local_hosts
request.is_https = request.env.wsgi_url_scheme \
in ['https', 'HTTPS'] or request.env.https == 'on'
# ##################################################
# compute a request.uuid to be used for tickets and toolbar
# ##################################################
response.uuid = request.compute_uuid()
# ##################################################
# access the requested application
# ##################################################
if not os.path.exists(request.folder):
if request.application == \
rewrite.thread.routes.default_application \
and request.application != 'welcome':
request.application = 'welcome'
redirect(Url(r=request))
elif rewrite.thread.routes.error_handler:
_handler = rewrite.thread.routes.error_handler
redirect(Url(_handler['application'],
_handler['controller'],
_handler['function'],
args=request.application))
else:
raise HTTP(404, rewrite.thread.routes.error_message \
% 'invalid request',
web2py_error='invalid application')
elif not request.is_local and \
os.path.exists(os.path.join(request.folder,'DISABLED')):
raise HTTP(200, "<html><body><h1>Down for maintenance</h1></body></html>")
request.url = Url(r=request, args=request.args,
extension=request.raw_extension)
# ##################################################
# build missing folders
# ##################################################
create_missing_app_folders(request)
# ##################################################
# get the GET and POST data
# ##################################################
parse_get_post_vars(request, environ)
# ##################################################
# expose wsgi hooks for convenience
# ##################################################
request.wsgi.environ = environ_aux(environ,request)
request.wsgi.start_response = \
lambda status='200', headers=[], \
exec_info=None, response=response: \
start_response_aux(status, headers, exec_info, response)
request.wsgi.middleware = \
lambda *a: middleware_aux(request,response,*a)
# ##################################################
# load cookies
# ##################################################
if request.env.http_cookie:
try:
request.cookies.load(request.env.http_cookie)
except Cookie.CookieError, e:
pass # invalid cookies
# ##################################################
# try load session or create new session file
# ##################################################
session.connect(request, response)
# ##################################################
# set no-cache headers
# ##################################################
response.headers['Content-Type'] = \
contenttype('.'+request.extension)
response.headers['Cache-Control'] = \
'no-store, no-cache, must-revalidate, post-check=0, pre-check=0'
response.headers['Expires'] = \
time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.gmtime())
response.headers['Pragma'] = 'no-cache'
# ##################################################
# run controller
# ##################################################
serve_controller(request, response, session)
except HTTP, http_response:
if static_file:
return http_response.to(responder)
if request.body:
request.body.close()
# ##################################################
# on success, try store session in database
# ##################################################
session._try_store_in_db(request, response)
# ##################################################
# on success, commit database
# ##################################################
if response.do_not_commit is True:
BaseAdapter.close_all_instances(None)
elif response._custom_commit:
response._custom_commit()
else:
BaseAdapter.close_all_instances('commit')
# ##################################################
# if session not in db try store session on filesystem
# this must be done after trying to commit database!
# ##################################################
session._try_store_on_disk(request, response)
# ##################################################
# store cookies in headers
# ##################################################
if request.cid:
if response.flash and not 'web2py-component-flash' in http_response.headers:
http_response.headers['web2py-component-flash'] = \
str(response.flash).replace('\n','')
if response.js and not 'web2py-component-command' in http_response.headers:
http_response.headers['web2py-component-command'] = \
response.js.replace('\n','')
if session._forget and \
response.session_id_name in response.cookies:
del response.cookies[response.session_id_name]
elif session._secure:
response.cookies[response.session_id_name]['secure'] = True
if len(response.cookies)>0:
http_response.headers['Set-Cookie'] = \
[str(cookie)[11:] for cookie in response.cookies.values()]
ticket=None
except RestrictedError, e:
if request.body:
request.body.close()
# ##################################################
# on application error, rollback database
# ##################################################
ticket = e.log(request) or 'unknown'
if response._custom_rollback:
response._custom_rollback()
else:
BaseAdapter.close_all_instances('rollback')
http_response = \
HTTP(500, rewrite.thread.routes.error_message_ticket % \
dict(ticket=ticket),
web2py_error='ticket %s' % ticket)
def parse_url(request, environ):
"parse and rewrite the incoming URL"
# ##################################################
# validate the path in url
# ##################################################
if not request.env.path_info and request.env.request_uri:
# for fcgi, decode path_info and query_string
items = request.env.request_uri.split('?')
request.env.path_info = items[0]
if len(items) > 1:
request.env.query_string = items[1]
else:
request.env.query_string = ''
path = request.env.path_info.replace('\\', '/')
# ##################################################
# serve if a static file
# ##################################################
match = regex_static.match(regex_space.sub('_', path))
if match and match.group('x'):
static_file = os.path.join(request.env.web2py_path, 'applications',
match.group('b'), 'static',
match.group('x'))
return static_file
# ##################################################
# parse application, controller and function
# ##################################################
path = re.sub('%20', ' ', path)
match = regex_url.match(path)
if not match or match.group('c') == 'static':
raise HTTP(400,
rewrite.thread.routes.error_message % 'invalid request',
web2py_error='invalid path')
request.application = \
regex_space.sub('_', match.group('a') or rewrite.thread.routes.default_application)
request.controller = \
regex_space.sub('_', match.group('c') or rewrite.thread.routes.default_controller)
request.function = \
regex_space.sub('_', match.group('f') or rewrite.thread.routes.default_function)
group_e = match.group('e')
raw_extension = group_e and regex_space.sub('_', group_e) or None
request.extension = raw_extension or 'html'
request.raw_args = match.group('r')
request.args = List([])
if request.application in rewrite.thread.routes.routes_apps_raw:
# application is responsible for parsing args
request.args = None
elif request.raw_args:
match = regex_args.match(request.raw_args.replace(' ', '_'))
if match:
group_s = match.group('s')
request.args = \
List((group_s and group_s.split('/')) or [])
else:
raise HTTP(400,
rewrite.thread.routes.error_message % 'invalid request',
web2py_error='invalid path')
request.client = get_client(request.env)
request.folder = os.path.join(request.env.web2py_path, 'applications',
request.application) + '/'
request.ajax = str(
request.env.http_x_requested_with).lower() == 'xmlhttprequest'
request.cid = request.env.http_web2py_component_element
# ##################################################
# access the requested application
# ##################################################
if not os.path.exists(request.folder):
if request.application == rewrite.thread.routes.default_application:
request.application = 'welcome'
redirect(Url(r=request))
elif rewrite.thread.routes.error_handler:
redirect(
Url(rewrite.thread.routes.error_handler['application'],
rewrite.thread.routes.error_handler['controller'],
rewrite.thread.routes.error_handler['function'],
args=request.application))
else:
raise HTTP(400,
rewrite.thread.routes.error_message % 'invalid request',
web2py_error='invalid application')
request.url = Url(r=request, args=request.args, extension=raw_extension)
return None