Neal Norwitz wrote:
> [...]
> Pattern: import string ; string.method(s, ...) --> s.method(...)
join and zfill should probably be mentioned separately:
"""
Be careful with string.join(): The order of the arguments is reversed
here.
string.zfill has a "decadent feature": It also works for
non-string objects by calling repr before formatting.
"""
string.atoi(s, ...) --> int(s, ...)
string.atol(s, ...) --> long(s, ...)
string.atof(s, ...) --> float(s, ...)
> c in string.whitespace --> c.isspace()
This changes the meaning slightly for unicode characters, because
chr(i).isspace() != unichr(i).isspace()
for i in { 0x1c, 0x1d, 0x1e, 0x1f, 0x85, 0xa0 }
New ones:
Pattern: "foobar"[:3] == "foo" -> "foobar".startswith("foo")
"foobar"[-3:] == "bar" -> "foobar".endswith("bar")
Version: ??? (It was added on the string_methods branch)
Benefits: Faster because no slice has to be created.
No danger of miscounting.
Locating: grep "\[\w*-[0-9]*\w*:\w*\]" | grep "=="
grep "\[\w*:\w*[0-9]*\w*\]" | grep "=="
Pattern: import types;
if hasattr(types, "UnicodeType"):
foo
else:
bar
-->
try:
unicode
except NameError:
bar
else:
foo
Idea: The types module will likely to be deprecated in the future.
Version: 2.2
Benefits: Avoid a deprecated feature.
Locating: grep "hasattr.*UnicodeType"
Bye,
Walter Dörwald
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