upstream/mercurial-mirror Files · contrib/tmplrewrite.py

bdiff: gradually enable the popularity hack...

bdiff: gradually enable the popularity hack Patch from Jason Orendorff The lower the threshold, the stronger the popularity hack's influence. So at 3999 lines, the hack is disabled; and at 4000 lines, the hack is enabled at maximum strength (t=4). No source file in mercurial/crew is over 4000 lines. But there are, oh, a few such files in Mozilla. I can testify that this hack causes hg to generate some correct but eyebrow-raising patches. I think the hack should phase in gradually. The threshold should be high for small files where we don't need it so much. Like this: t = (bn < 31000) ? 1000000 / bn : bn / 1000; That would leave the popularity hack disabled for small files, then gradually phase it in: bn < 1000 -- t > bn (popularity hack is completely disabled) bn == 1000 -- t = 1000 (still effectively disabled) bn == 2000 -- t = 500 (only hits unusual files) bn == 10000 -- t = 100 (only hits especially common lines) bn == 31000 -- t = 31 (hack is at maximum power) bn == 32000 -- t = 32 (hack could backfire, ease off)

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      #!/usr/bin/python

      import sys, os, re

      IGNORE = ['.css', '.py']

      oldre = re.compile('#([\w\|%]+)#')

      def rewrite(fn):

          f = open(fn)

          new = open(fn + '.new', 'wb')

          for ln in f:

              new.write(oldre.sub('{\\1}', ln))

          new.close()

          f.close()

          os.rename(new.name, f.name)

      if __name__ == '__main__':

          if len(sys.argv) < 2:

              print 'usage: python tmplrewrite.py [file [file [file]]]'

          for fn in sys.argv[1:]:

              if os.path.splitext(fn) in IGNORE:

                  continue

              print 'rewriting %s...' % fn

              rewrite(fn)

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				#!/usr/bin/python
				import sys, os, re

				IGNORE = ['.css', '.py']
				oldre = re.compile('#([\w\\|%]+)#')

				def rewrite(fn):
				f = open(fn)
				new = open(fn + '.new', 'wb')
				for ln in f:
				new.write(oldre.sub('{\\1}', ln))
				new.close()
				f.close()
				os.rename(new.name, f.name)

				if __name__ == '__main__':
				if len(sys.argv) < 2:
				print 'usage: python tmplrewrite.py [file [file [file]]]'
				for fn in sys.argv[1:]:
				if os.path.splitext(fn) in IGNORE:
				continue
				print 'rewriting %s...' % fn
				rewrite(fn)