- with pdb, use aliases
# Ned's .pdbrc
# Print a dictionary, sorted. %1 is the dict, %2 is the prefix for the names.
alias p_ for k in sorted(%1.keys()): print "%s%-15s= %-80.80s" % ("%2",k,repr(%1[k]))
alias pi p_ %1.__dict__ %1. .. # instance variables of %1
alias ps pi self ............. # instance variables of self.
alias pl p_ locals() local: .. # Print the locals.
alias nl n;;l ................ # Next and list.
alias sl s;;l ................ # and step and list.
alias uu u;;u ................ # up the stack
alias dd d;;d ................ # down the stack
source : http://stackoverflow.com/a/1624037
- use sys hooks to react on exception
def traceit(frame, event, arg):
if event == "line":
lineno = frame.f_lineno
print "line", lineno
return traceit
def main():
print "In main"
for i in range(5):
print i, i*3
print "Done."
sys.settrace(traceit)
main()
source : http://www.dalkescientific.com/writings/diary/archive/2005/04/20/tracing_python_code.html
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# code snippet, to be included in 'sitecustomize.py'
import sys
def info(type, value, tb):
if hasattr(sys, 'ps1') or not sys.stderr.isatty():
# we are in interactive mode or we don't have a tty-like
# device, so we call the default hook
sys.__excepthook__(type, value, tb)
else:
import traceback, pdb
# we are NOT in interactive mode, print the exception...
traceback.print_exception(type, value, tb)
print
# ...then start the debugger in post-mortem mode.
pdb.pm()
sys.excepthook = info
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source : http://code.activestate.com/recipes/65287/
- simple logging
