def log_traceback_for_exception(website, exception):
tb = traceback.format_exc()
aspen.log_dammit(tb)
response = Response(500)
if website.show_tracebacks:
response.body = tb
return {'response': response, 'exception': None}
def handle_error_nicely(self, tb_1, request):
response = sys.exc_info()[1]
if not isinstance(response, Response):
# We have a true Exception; convert it to a Response object.
response = Response(500, tb_1)
response.request = request
if 200 <= response.code < 300:
# The app raised a Response(2xx). Act as if nothing
# happened. This is unusual but allowed.
pass
else:
# Delegate to any error simplate.
# ===============================
fs = self.ours_or_theirs(str(response.code) + '.html')
if fs is None:
fs = self.ours_or_theirs('error.html')
if fs is not None:
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
def handle_error_nicely(self, request):
"""Try to provide some nice error handling.
"""
try: # nice error messages
tb_1 = traceback.format_exc()
response = sys.exc_info()[1]
if not isinstance(response, Response):
aspen.log_dammit(tb_1)
response = Response(500, tb_1)
elif 200 <= response.code < 300:
return response
response.request = request
self.hooks.outbound_early.run(response)
fs = self.ours_or_theirs(str(response.code) + '.html')
if fs is None:
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
except Response, response: # no nice error simplate available
raise
def handle_error_nicely(self, request):
"""Try to provide some nice error handling.
"""
try: # nice error messages
tb_1 = traceback.format_exc()
response = sys.exc_info()[1]
if not isinstance(response, Response):
aspen.log_dammit(tb_1)
response = Response(500, tb_1)
elif 200 <= response.code < 300:
return response
response.request = request
self.hooks.outbound_early.run(response)
fs = self.ours_or_theirs(str(response.code) + '.html')
if fs is None:
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
except Response, response: # no nice error simplate available
raise
def get_response_for_exception(website, exception):
tb = traceback.format_exc()
if isinstance(exception, Response):
response = exception
else:
response = Response(500)
if website.show_tracebacks:
response.body = tb
return {'response': response, 'traceback': tb, 'exception': None}
def get_response_for_exception(website, exception):
tb = traceback.format_exc()
if isinstance(exception, Response):
response = exception
else:
response = Response(500)
if website.show_tracebacks:
response.body = tb
return {"response": response, "traceback": tb, "exception": None}
def handle_error_at_all(self, tb_1):
tb_2 = traceback.format_exc().strip()
tbs = '\n\n'.join([tb_2, "... while handling ...", tb_1])
aspen.log_dammit(tbs)
if self.show_tracebacks:
response = Response(500, tbs)
else:
response = Response(500)
return response
def check_auth(self, request):
"""Raise 401 if there's no authenticated user.
The user can set website.protected
"""
if self.protected and request.context['user'].ANON:
raise Response(401)
def exec_simplate(self, path="/", request=None, response=None):
"""Given the URL path of a simplate, exec page two and return response.
"""
resource, request = self.load_simplate(path, request, True)
if response is None:
response = Response(charset=self.charset_dynamic)
context = resource.populate_context(request, response)
exec resource.pages[1] in context # let's let exceptions raise
return response, context
def handle_error_nicely(self, tb_1, request):
response = sys.exc_info()[1]
if not isinstance(response, Response):
# We have a true Exception; convert it to a Response object.
response = Response(500, tb_1)
response.request = request
if 500 <= response.code < 600:
# Log tracebacks for Reponse(5xx).
aspen.log_dammit(tb_1)
# TODO Switch to the logging module and use something like this:
# log_level = [DEBUG,INFO,WARNING,ERROR][(response.code/100)-2]
# logging.log(log_level, tb_1)
if 200 <= response.code < 300 or response.code == 304:
# The app raised a Response(2xx) or Response(304).
# Act as if nothing happened. This is unusual but allowed.
pass
else:
# Delegate to any error simplate.
# ===============================
rc = str(response.code)
possibles = [ rc + ".html", rc + ".html.spt", "error.html", "error.html.spt" ]
fs = first( self.ours_or_theirs(errpage) for errpage in possibles )
if fs is not None:
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
def handle_error_nicely(self, tb_1, request):
response = sys.exc_info()[1]
if not isinstance(response, Response):
# We have a true Exception; convert it to a Response object.
response = Response(500, tb_1)
response.request = request
if 500 <= response.code < 600:
# Log tracebacks for Reponse(5xx).
aspen.log_dammit(tb_1)
# TODO Switch to the logging module and use something like this:
# log_level = [DEBUG,INFO,WARNING,ERROR][(response.code/100)-2]
# logging.log(log_level, tb_1)
if 200 <= response.code < 300 or response.code == 304:
# The app raised a Response(2xx) or Response(304).
# Act as if nothing happened. This is unusual but allowed.
pass
else:
# Delegate to any error simplate.
# ===============================
rc = str(response.code)
possibles = [ rc + ".html", rc + ".html.spt", "error.html", "error.html.spt" ]
fs = first( self.ours_or_theirs(errpage) for errpage in possibles )
if fs is not None:
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
def handle_error_nicely(self, request):
"""Try to provide some nice error handling.
"""
try: # nice error messages
tb_1 = traceback.format_exc()
response = sys.exc_info()[1]
if not isinstance(response, Response):
log.error(tb_1)
response = Response(500, tb_1)
response.request = request
self.hooks.run('outbound_early', response)
fs = self.ours_or_theirs(str(response.code) + '.html')
if fs is None:
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
response = simplates.handle(request, response)
except Response, response: # no nice error template available
raise
def broken_from_wsgi(*a, **kw):
raise Response(400)
self.hooks.run('outbound_early', response)
fs = self.ours_or_theirs(str(response.code) + '.html')
if fs is None:
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
response = simplates.handle(request, response)
except Response, response: # no nice error template available
raise
except: # last chance for tracebacks in the browser
tb_2 = traceback.format_exc().strip()
tbs = '\n\n'.join([tb_2, "... while handling ...", tb_1])
log.error(tbs)
if self.show_tracebacks:
raise Response(500, tbs)
else:
raise Response(500)
return response
def find_ours(self, filename):
"""Given a filename, return a filepath.
"""
return join(os.path.dirname(__file__), 'www', filename)
def ours_or_theirs(self, filename):
"""Given a filename, return a filepath or None.
"""
ours = self.find_ours(filename)
theirs = join(self.root, '.aspen', filename)
if isfile(theirs):
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
except Response, response: # no nice error simplate available
raise
except: # last chance for tracebacks in the browser
tb_2 = traceback.format_exc().strip()
tbs = '\n\n'.join([tb_2, "... while handling ...", tb_1])
aspen.log_dammit(tbs)
if self.show_tracebacks:
response = Response(500, tbs)
else:
response = Response(500)
response.request = request
raise response
def find_ours(self, filename):
"""Given a filename, return a filepath.
"""
return join(os.path.dirname(__file__), 'www', filename)
def ours_or_theirs(self, filename):
"""Given a filename, return a filepath or None.
"""
if self.project_root is not None:
theirs = join(self.project_root, filename)
fs = self.ours_or_theirs('error.html')
if fs is None:
raise
request.fs = fs
request.original_resource = request.resource
request.resource = resources.get(request)
response = request.resource.respond(request, response)
return response
except Response, response: # no nice error simplate available
raise
except: # last chance for tracebacks in the browser
tb_2 = traceback.format_exc().strip()
tbs = '\n\n'.join([tb_2, "... while handling ...", tb_1])
aspen.log_dammit(tbs)
if self.show_tracebacks:
response = Response(500, tbs)
else:
response = Response(500)
response.request = request
raise response
def find_ours(self, filename):
"""Given a filename, return a filepath.
"""
return join(os.path.dirname(__file__), 'www', filename)
def ours_or_theirs(self, filename):
"""Given a filename, return a filepath or None.
"""
if self.project_root is not None:
theirs = join(self.project_root, filename)
