upstream/kallithea Files · rhodecode/lib/profiler.py

Complete copyright notices for web interface; change footer to link to them....

Complete copyright notices for web interface; change footer to link to them. The original copyright notice found in the footer was not accurate as it included only one of the many copyright holders in this project. This change creates an "about" page, which currently contains just the copyright and license information. It links to repository for additional potential copyright holders not listed on the about page. Unlisted contributors are mentioned in template comments. Html links for Kallithea is fixed and we link to Conservancy. Display of version information in the footer is improved.

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             profiler.py
        
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      from __future__ import with_statement

      import gc

      import objgraph

      import cProfile

      import pstats

      import cgi

      import pprint

      import threading

      from StringIO import StringIO

      class ProfilingMiddleware(object):

          def __init__(self, app):

              self.lock = threading.Lock()

              self.app = app

          def __call__(self, environ, start_response):

              with self.lock:

                  profiler = cProfile.Profile()

                  def run_app(*a, **kw):

                      self.response = self.app(environ, start_response)

                  profiler.runcall(run_app, environ, start_response)

                  profiler.snapshot_stats()

                  stats = pstats.Stats(profiler)

                  stats.sort_stats('calls') #cummulative

                  # Redirect output

                  out = StringIO()

                  stats.stream = out

                  stats.print_stats()

                  resp = ''.join(self.response)

                  # Lets at least only put this on html-like responses.

                  if resp.strip().startswith('<'):

                      ## The profiling info is just appended to the response.

                      ##  Browsers don't mind this.

                      resp += ('<pre style="text-align:left; '

                               'border-top: 4px dashed red; padding: 1em;">')

                      resp += cgi.escape(out.getvalue(), True)

                      ct = objgraph.show_most_common_types()

                      print ct

                      resp += ct if ct else '---'

                      output = StringIO()

                      pprint.pprint(environ, output, depth=3)

                      resp += cgi.escape(output.getvalue(), True)

                      resp += '</pre>'

                  return resp

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				from __future__ import with_statement

				import gc
				import objgraph
				import cProfile
				import pstats
				import cgi
				import pprint
				import threading

				from StringIO import StringIO


				class ProfilingMiddleware(object):
				def __init__(self, app):
				self.lock = threading.Lock()
				self.app = app

				def __call__(self, environ, start_response):
				with self.lock:
				profiler = cProfile.Profile()

				def run_app(a, *kw):
				self.response = self.app(environ, start_response)

				profiler.runcall(run_app, environ, start_response)

				profiler.snapshot_stats()

				stats = pstats.Stats(profiler)
				stats.sort_stats('calls') #cummulative

				# Redirect output
				out = StringIO()
				stats.stream = out

				stats.print_stats()

				resp = ''.join(self.response)

				# Lets at least only put this on html-like responses.
				if resp.strip().startswith('<'):
				## The profiling info is just appended to the response.
				## Browsers don't mind this.
				resp += ('<pre style="text-align:left; '
				'border-top: 4px dashed red; padding: 1em;">')
				resp += cgi.escape(out.getvalue(), True)

				ct = objgraph.show_most_common_types()
				print ct

				resp += ct if ct else '---'

				output = StringIO()
				pprint.pprint(environ, output, depth=3)

				resp += cgi.escape(output.getvalue(), True)
				resp += '</pre>'

				return resp