Mercurial > hg
view contrib/debugcmdserver.py @ 31614:d5d0e6ca62ad
largefiles: replace splitstandin() by isstandin() to omit str creation
If splitstandin()-ed str itself isn't used, isstandin() should be
used instead of it, to omit meaningless str creation.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Fri, 24 Mar 2017 22:24:59 +0900 |
parents | cd03fbd5ab57 |
children | 2372284d9457 |
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#!/usr/bin/env python # # Dumps output generated by Mercurial's command server in a formatted style to a # given file or stderr if '-' is specified. Output is also written in its raw # format to stdout. # # $ ./hg serve --cmds pipe | ./contrib/debugcmdserver.py - # o, 52 -> 'capabilities: getencoding runcommand\nencoding: UTF-8' from __future__ import absolute_import, print_function import struct import sys if len(sys.argv) != 2: print('usage: debugcmdserver.py FILE') sys.exit(1) outputfmt = '>cI' outputfmtsize = struct.calcsize(outputfmt) if sys.argv[1] == '-': log = sys.stderr else: log = open(sys.argv[1], 'a') def read(size): data = sys.stdin.read(size) if not data: raise EOFError sys.stdout.write(data) sys.stdout.flush() return data try: while True: header = read(outputfmtsize) channel, length = struct.unpack(outputfmt, header) log.write('%s, %-4d' % (channel, length)) if channel in 'IL': log.write(' -> waiting for input\n') else: data = read(length) log.write(' -> %r\n' % data) log.flush() except EOFError: pass finally: if log != sys.stderr: log.close()