Mercurial > hg
view tests/printenv.py @ 48873:5aafc3c5bdec
py3: use io.BytesIO directly
Previously, pycompat.bytesio and pycompat.stringio referred to
io.BytesIO. And util.bytesio and util.stringio aliased the pycompat
symbols.
This commit switches everything to use io.BytesIO directly. util.bytesio
and util.stringio still exist to provide backwards compatibility, as
they were the preferred symbols.
Differential Revision: https://phab.mercurial-scm.org/D12252
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Sun, 20 Feb 2022 15:03:26 -0700 |
parents | c102b704edb5 |
children | 6000f5b25c9b |
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#!/usr/bin/env python3 # # simple script to be used in hooks # # put something like this in the repo .hg/hgrc: # # [hooks] # changegroup = python "$TESTDIR/printenv.py" <hookname> [exit] [output] # # - <hookname> is a mandatory argument (e.g. "changegroup") # - [exit] is the exit code of the hook (default: 0) # - [output] is the name of the output file (default: use sys.stdout) # the file will be opened in append mode. # from __future__ import absolute_import import argparse import os import sys try: import msvcrt msvcrt.setmode(sys.stdin.fileno(), os.O_BINARY) msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY) msvcrt.setmode(sys.stderr.fileno(), os.O_BINARY) except ImportError: pass parser = argparse.ArgumentParser() parser.add_argument("name", help="the hook name, used for display") parser.add_argument( "exitcode", nargs="?", default=0, type=int, help="the exit code for the hook", ) parser.add_argument( "out", nargs="?", default=None, help="where to write the output" ) parser.add_argument( "--line", action="store_true", help="print environment variables one per line instead of on a single line", ) args = parser.parse_args() if args.out is None: out = sys.stdout out = getattr(out, "buffer", out) else: out = open(args.out, "ab") # variables with empty values may not exist on all platforms, filter # them now for portability sake. env = [(k, v) for k, v in os.environ.items() if k.startswith("HG_") and v] env.sort() out.write(b"%s hook: " % args.name.encode('ascii')) if os.name == 'nt': filter = lambda x: x.replace('\\', '/') else: filter = lambda x: x vars = [ b"%s=%s" % (k.encode('ascii'), filter(v).encode('ascii')) for k, v in env ] # Print variables on out if not args.line: out.write(b" ".join(vars)) else: for var in vars: out.write(var) out.write(b"\n") out.write(b"\n") out.close() sys.exit(args.exitcode)