Mercurial > public > mercurial-scm > hg
comparison mercurial/util.py @ 8534:22ec9cf4d0ce
util: use "is" for True/False/None comparisons
| author | Martin Geisler <mg@lazybytes.net> |
|---|---|
| date | Wed, 20 May 2009 10:50:23 +0200 |
| parents | 8e2c0ab94432 |
| children | 744d6322b05b |
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| 8533:6062c6362b2e | 8534:22ec9cf4d0ce |
|---|---|
| 520 if command fails and onerr is None, return status. if ui object, | 520 if command fails and onerr is None, return status. if ui object, |
| 521 print error message and return status, else raise onerr object as | 521 print error message and return status, else raise onerr object as |
| 522 exception.''' | 522 exception.''' |
| 523 def py2shell(val): | 523 def py2shell(val): |
| 524 'convert python object into string that is useful to shell' | 524 'convert python object into string that is useful to shell' |
| 525 if val in (None, False): | 525 if val is None or val is False: |
| 526 return '0' | 526 return '0' |
| 527 if val == True: | 527 if val is True: |
| 528 return '1' | 528 return '1' |
| 529 return str(val) | 529 return str(val) |
| 530 oldenv = {} | 530 oldenv = {} |
| 531 for k in environ: | 531 for k in environ: |
| 532 oldenv[k] = os.environ.get(k) | 532 oldenv[k] = os.environ.get(k) |