view tests/heredoctest.py @ 43753:2276a9a1c037

repoview: add a 'devel.debug.repo-filter' option

If set, there will be debug message when a filter computation is triggered.

This is going to be useful to remove various filtering trigger and to test they
do not get reintroduced.

Differential Revision: https://phab.mercurial-scm.org/D7476

from __future__ import absolute_import, print_function

import sys


def flush():
    sys.stdout.flush()
    sys.stderr.flush()


globalvars = {}
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 += l[4:]
        c = compile(snippet, '<heredoc>', 'single')
        try:
            flush()
            exec(c, globalvars)
            flush()
        except Exception as inst:
            flush()
            print(repr(inst))