pytrace

pytrace

import sys, linecache
def tracefunc(frame, event, arg, indent=[0]):
    if event == "call" or event == "return":
        lineno = frame.f_lineno
        filename = frame.f_globals["__file__"]
        if filename == "<stdin>":
            filename = "traceit.py"
        if (filename.endswith(".pyc") or
            filename.endswith(".pyo")):
            filename = filename[:-1]

    if event == "call":
        indent[0] += 2
        print "-" * indent[0] + "> call function", frame.f_code.co_name, filename, lineno
    elif event == "return":
        print "<" + "-" * indent[0], "exit function", frame.f_code.co_name, filename, lineno
        indent[0] -= 2
    return tracefunc

sys.settrace(tracefunc)