This snippet of code allows us to grab the current line number easily, and demonstrates the power of the 'inspect' module for introspective Python programs.
Python, 17 lines
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Copy to clipboard1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | """This provides a lineno() function to make it easy to grab the line
number that we're on.
Danny Yoo (dyoo@hkn.eecs.berkeley.edu)
"""
import inspect
def lineno():
"""Returns the current line number in our program."""
return inspect.currentframe().f_back.f_lineno
if __name__ == '__main__':
print "hello, this is line number", lineno()
print
print
print "and this is line", lineno()
|
Grabbing the current line number can be very useful when writing out debugging logs.
See:
http://python.org/doc/lib/module-inspect.html
for more information about the introspective 'inspect' module.
