def exception(self, environ, start_response):
import traceback
from pprint import pformat
exc_type, exc_value, tb = sys.exc_info()
tblines = traceback.format_exception(exc_type, exc_value, tb)
tbstr = "\n".join(tblines)
# render the error
title = tblines[-1]
body = html.Body([
html.Div([
html.H1(self.exception_heading),
html.P([self.exception_description]),
html.H2("Traceback"),
html.Pre([tbstr]),
html.H2("Variables"),
html.Pre([
"request_uri: %s\nos.getcwd(): %s" %
(request_uri(environ), os.getcwd())
]),
html.H2("environ"),
html.Pre([pformat(environ)]),
html.H2("sys.path"),
html.Pre([pformat(sys.path)]),
html.H2("os.environ"),
html.Pre([pformat(dict(os.environ))])
])
])
msg = self._transform(title, body, environ)
return self._return_response(msg,
start_response,
status="500 Internal Server Error",
contenttype="text/html")
def stream(self, environ, start_response):
"""WSGI method, called by the wsgi app for requests that indicate the
need for a streaming response."""
path = environ['PATH_INFO']
if not isinstance(path, str):
path = path.decode("utf-8")
fullpath = self.config.documentroot + path
# we start by asking all repos "do you handle this path"?
# default impl is to say yes if 1st seg == self.alias and the
# rest can be treated as basefile yielding a existing
# generated file. a yes answer contains a FileWrapper around
# the repo-selected file and optionally length (but not
# status, always 200, or mimetype, always text/html). None
# means no.
fp = None
reasons = OrderedDict()
if not ((path.startswith("/rsrc") or path == "/robots.txt")
and os.path.exists(fullpath)):
for repo in self.repos:
supports = repo.requesthandler.supports(environ)
if supports:
return repo.requesthandler.stream(environ, start_response)
elif hasattr(supports, 'reason'):
reasons[repo.alias] = supports.reason
else:
reasons[repo.alias] = '(unknown reason)'
# if we reach this, no repo handled the path
mimetype = "text/html"
reasonmsg = "\n".join(["%s: %s" % (k, reasons[k]) for k in reasons])
msgbody = html.Body([
html.H1("Document not found"),
html.P(["The path %s was not found at %s" % (path, fullpath)]),
html.P(["Examined %s repos" % (len(self.repos))]),
html.Pre([reasonmsg])
])
iterdata = self._transform("404 Not found", msgbody, environ)
status = "404 Not Found"
length = None
return self._return_response(iterdata, start_response, status,
mimetype, length)
def static(self, environ, start_response):
"""WSGI method, called by the wsgi app for all other requests not
handled by :py:func:`~ferenda.Manager.search` or
:py:func:`~ferenda.Manager.api`
"""
path = environ['PATH_INFO']
if not isinstance(path, str):
path = path.decode("utf-8")
fullpath = self.config.documentroot + path
# we start by asking all repos "do you handle this path"?
# default impl is to say yes if 1st seg == self.alias and the
# rest can be treated as basefile yielding a existing
# generated file. a yes answer contains a FileWrapper around
# the repo-selected file and optionally length (but not
# status, always 200, or mimetype, always text/html). None
# means no.
fp = None
reasons = OrderedDict()
if not ((path.startswith("/rsrc") or path == "/robots.txt")
and os.path.exists(fullpath)):
for repo in self.repos:
supports = repo.requesthandler.supports(environ)
if supports:
fp, length, status, mimetype = repo.requesthandler.handle(
environ)
elif hasattr(supports, 'reason'):
reasons[repo.alias] = supports.reason
else:
reasons[repo.alias] = '(unknown reason)'
if fp:
status = {
200: "200 OK",
404: "404 Not found",
406: "406 Not Acceptable",
500: "500 Server error"
}[status]
iterdata = FileWrapper(fp)
break
# no repo handled the path
if not fp:
if self.config.legacyapi: # rewrite the path to some resources. FIXME:
# shouldn't hardcode the "rsrc" path of the path
if path == "/json-ld/context.json":
fullpath = self.config.documentroot + "/rsrc/api/context.json"
elif path == "/var/terms":
fullpath = self.config.documentroot + "/rsrc/api/terms.json"
elif path == "/var/common":
fullpath = self.config.documentroot + "/rsrc/api/common.json"
if os.path.isdir(fullpath):
fullpath = fullpath + "index.html"
if os.path.exists(fullpath):
ext = os.path.splitext(fullpath)[1]
# if not mimetypes.inited:
# mimetypes.init()
mimetype = mimetypes.types_map.get(ext, 'text/plain')
status = "200 OK"
length = os.path.getsize(fullpath)
fp = open(fullpath, "rb")
iterdata = FileWrapper(fp)
else:
mimetype = "text/html"
reasonmsg = "\n".join(
["%s: %s" % (k, reasons[k]) for k in reasons])
msgbody = html.Body([
html.H1("Document not found"),
html.P([
"The path %s was not found at %s" % (path, fullpath)
]),
html.P(["Examined %s repos" % (len(self.repos))]),
html.Pre([reasonmsg])
])
iterdata = self._transform("404 Not found", msgbody, environ)
status = "404 Not Found"
length = None
return self._return_response(iterdata, start_response, status,
mimetype, length)