def call_app(self, req, state):
event = state['event']
stream_handler = StreamHandler(stdin=state['stdin'], stdin_event=state['stdin_event'], stdout=state['stdout'],
signal_event=state['event'])
threadedprint.register(stream_handler)
threadedprint.register_stdin(stream_handler)
try:
resp = req.get_response(self.app)
state['response'] = resp
except:
state['exc_info'] = sys.exc_info()
event.set()
def call_app(self, req, state):
event = state['event']
stream_handler = StreamHandler(stdin=state['stdin'], stdin_event=state['stdin_event'], stdout=state['stdout'],
signal_event=state['event'])
threadedprint.register(stream_handler)
threadedprint.register_stdin(stream_handler)
try:
resp = req.get_response(self.app)
state['response'] = resp
except:
state['exc_info'] = sys.exc_info()
event.set()
def __call__(self, environ, start_response):
global _threadedprint_installed
if environ.get('paste.testing'):
# In a testing environment this interception isn't
# useful:
return self.app(environ, start_response)
if (not _threadedprint_installed
or self._threaded_print_stdout is not sys.stdout):
# @@: Not strictly threadsafe
_threadedprint_installed = True
threadedprint.install(leave_stdout=not self.replace_stdout)
self._threaded_print_stdout = sys.stdout
removed = []
def remove_printdebug():
removed.append(None)
environ['paste.remove_printdebug'] = remove_printdebug
logged = StringIO()
listeners = [logged]
environ['paste.printdebug_listeners'] = listeners
if self.print_wsgi_errors:
listeners.append(environ['wsgi.errors'])
replacement_stdout = TeeFile(listeners)
threadedprint.register(replacement_stdout)
try:
status, headers, body = wsgilib.intercept_output(
environ, self.app)
if status is None:
# Some error occurred
status = '500 Server Error'
headers = [('Content-type', 'text/html')]
start_response(status, headers)
if not body:
body = 'An error occurred'
content_type = response.header_value(headers, 'content-type')
if (removed or
(not self.force_content_type and
(not content_type
or not content_type.startswith('text/html')))):
if replacement_stdout == logged:
# Then the prints will be lost, unless...
environ['wsgi.errors'].write(logged.getvalue())
start_response(status, headers)
return [body]
response.remove_header(headers, 'content-length')
body = self.add_log(body, logged.getvalue())
start_response(status, headers)
return [body]
finally:
threadedprint.deregister()