def remove_html_markup_traced(s):
sys.settrace(traceit)
ret = remove_html_markup(s)
sys.settrace(None)
return ret
return self._traceit
def __enter__(self):
"""Called at begin of `with` block. Turn tracing on."""
self.original_trace_function = sys.gettrace()
sys.settrace(self._traceit)
return self
def __exit__(self, tp, value, traceback):
"""Called at begin of `with` block. Turn tracing off."""
sys.settrace(self.original_trace_function)
if __name__ == "__main__":
with Tracer():
remove_html_markup("abc")
# ## Accessing Source Code
if __name__ == "__main__":
print('\n## Accessing Source Code')
import inspect
class Tracer(Tracer):
def traceit(self, frame, event, arg):
if event == 'line':
module = inspect.getmodule(frame.f_code)
if module is None:
source = inspect.getsource(frame.f_code)
def some_extreme_function(s):
... # Long-running function
remove_html_markup(s)
if __name__ == "__main__":
print('\n## Some Examples')
# ### Removing HTML Markup
if __name__ == "__main__":
print('\n### Removing HTML Markup')
if __package__ is None or __package__ == "":
from Intro_Debugging import remove_html_markup
else:
from .Intro_Debugging import remove_html_markup
if __name__ == "__main__":
with InvariantAnnotator() as annotator:
remove_html_markup("<foo>bar</foo>")
remove_html_markup("bar")
remove_html_markup('"bar"')
if __name__ == "__main__":
print_content(annotator.functions_with_invariants(), '.py')
# ### A Recursive Function
if __name__ == "__main__":
print('\n### A Recursive Function')
def list_length(elems):
if elems == []:
length = 0