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Code Issues Projects Releases Packages Wiki Activity Actions 17

defer re module imports to help improve interpreter startup

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Skip Montanaro 2003-05-14 17:33:53 +00:00
parent 7696344182
commit d8f21203b0
1 changed files with 4 additions and 1 deletions
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5
Lib/warnings.py
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@ -3,7 +3,7 @@
# Note: function level imports should *not* be used # Note: function level imports should *not* be used
# in this module as it may cause import lock deadlock. # in this module as it may cause import lock deadlock.
# See bug 683658. # See bug 683658.
import sys, re, types import sys, types
import linecache import linecache
__all__ = ["warn", "showwarning", "formatwarning", "filterwarnings", __all__ = ["warn", "showwarning", "formatwarning", "filterwarnings",
@ -129,6 +129,7 @@ def filterwarnings(action, message="", category=Warning, module="", lineno=0,
"""Insert an entry into the list of warnings filters (at the front). """Insert an entry into the list of warnings filters (at the front).
Use assertions to check that all arguments have the right type.""" Use assertions to check that all arguments have the right type."""
import re
assert action in ("error", "ignore", "always", "default", "module", assert action in ("error", "ignore", "always", "default", "module",
"once"), "invalid action: %s" % `action` "once"), "invalid action: %s" % `action`
assert isinstance(message, basestring), "message must be a string" assert isinstance(message, basestring), "message must be a string"
@ -162,6 +163,7 @@ def _processoptions(args):
# Helper for _processoptions() # Helper for _processoptions()
def _setoption(arg): def _setoption(arg):
import re
parts = arg.split(':') parts = arg.split(':')
if len(parts) > 5: if len(parts) > 5:
raise _OptionError("too many fields (max 5): %s" % `arg`) raise _OptionError("too many fields (max 5): %s" % `arg`)
@ -198,6 +200,7 @@ def _getaction(action):
# Helper for _setoption() # Helper for _setoption()
def _getcategory(category): def _getcategory(category):
import re
if not category: if not category:
return Warning return Warning
if re.match("^[a-zA-Z0-9_]+$", category): if re.match("^[a-zA-Z0-9_]+$", category):