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#! /usr/bin/env python
"""Run the doctest on a text file
Usage: doctext.py [file]
[file] defaults to ``test.txt``
"""
import sys
import doctest
def main():
args = sys.argv[1:]
filename = None
verbose = False
for word in args:
if word in ("-v", "-verbose"):
verbose = True
elif word in ("-h", "-help", "/?", "/help", "--help"):
print __doc__
return
else:
if filename:
print "Filename '%s' already specified"%filename
return
else:
filename = word
if not filename:
filename = "test.txt"
print
print 'Ignore any output lines starting ### or !!!. These are written by the'
print 'underlying C library, and are not "seen" (or hidden) by doctest.'
print
# I want to be able to use the "with" statement in the doctests.
# It's not possible to use "from __future__ import with_statement"
# in doctests as such. Instead, one has to add the resulting globals
# to the doctest context. Which seems to be done as follows:
import __future__
extraglobs={'with_statement':__future__.with_statement}
(failures,tests) = doctest.testfile(filename,verbose=verbose,
extraglobs=extraglobs)
testword = "test"
if tests != 1: testword = "tests"
failword = "failure"
if failures != 1: failword = "failures"
print
print "File %s: %d %s, %d %s"%(filename,tests,testword,failures,failword)
print
if failures == 0:
print 'The little light is GREEN'
else:
print 'The little light is RED'
if __name__ == "__main__":
main()
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