view tests/heredoctest.py @ 39929:47cb6750dea3

annotate: rename {line_number} to {lineno} (BC)

I think {lineno} looks more like a common template keyword. It isn't called
a {line} to avoid conflicts with the element name of {lines} and the
{_|splitlines} filter.

https://www.mercurial-scm.org/wiki/GenericTemplatingPlan#Dictionary

from __future__ import absolute_import, print_function

import sys

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:
            exec(c, globalvars)
        except Exception as inst:
            print(repr(inst))