tests/heredoctest.py

pager: work around bug in python 2.4's subprocess module (issue3533)

hg v2.2.2 fixed the pager on Windows, but broke it on Python 2.4.
This patch only uses the new behavior if Python >= 2.5 is detected.

import sys

globalvars = {}
localvars = {}
lines = sys.stdin.readlines()
while lines:
    l = lines.pop(0)
    if l.startswith('SALT'):
        print l[:-1]
    elif l.startswith('>>> '):
        snippet = l[4:]
        while lines and lines[0].startswith('... '):
            l = lines.pop(0)
            snippet += "\n" + l[4:]
        c = compile(snippet, '<heredoc>', 'single')
        try:
            exec c in globalvars, localvars
        except Exception, inst:
            print repr(inst)