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| author | Greg Ward <gward@python.net> | 2000-09-25 01:25:06 (GMT) |
|---|---|---|
| committer | Greg Ward <gward@python.net> | 2000-09-25 01:25:06 (GMT) |
| commit | 817dc098efd0c2cba674cee32950fc5626e12881 (patch) | |
| tree | 0422479ab0049c8710768572fc12baf101a0f33b | |
| parent | ceb9e226a638301e68420d7b6728bdc86fd30f0c (diff) | |
| download | cpython-817dc098efd0c2cba674cee32950fc5626e12881.zip cpython-817dc098efd0c2cba674cee32950fc5626e12881.tar.gz cpython-817dc098efd0c2cba674cee32950fc5626e12881.tar.bz2 | |
Added 'strtobool()' function: convert strings like "yes", "1",
"no", "0", etc. to true/false.
| -rw-r--r-- | Lib/distutils/util.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py index 3f06807..367985a 100644 --- a/Lib/distutils/util.py +++ b/Lib/distutils/util.py @@ -273,3 +273,18 @@ def execute (func, args, msg=None, verbose=0, dry_run=0): apply(func, args) # execute() + + +def strtobool (val): + """Convert a string representation of truth to true (1) or false (0). + True values are 'y', 'yes', 't', 'true', 'on', and '1'; false values + are 'n', 'no', 'f', 'false', 'off', and '0'. Raises ValueError if + 'val' is anything else. + """ + val = string.lower(val) + if val in ('y', 'yes', 't', 'true', 'on', '1'): + return 1 + elif val in ('n', 'no', 'f', 'false', 'off', '0'): + return 0 + else: + raise ValueError, "invalid truth value %s" % `val` |