def start(self, filename):
"""Starts tracing a file."""
files = self.files
if len(files) == 0:
self.prev_tracer = sys.gettrace()
files.add(normabspath(filename))
sys.settrace(self.trace)
curr = inspect.currentframe()
for frame, fname, *_ in getouterframes(curr, context=0):
if normabspath(fname) in files:
frame.f_trace = self.trace
def stop(self, filename):
"""Stops tracing a file."""
filename = normabspath(filename)
self.files.discard(filename)
if len(self.files) == 0:
sys.settrace(self.prev_tracer)
curr = inspect.currentframe()
for frame, fname, *_ in getouterframes(curr, context=0):
if normabspath(fname) == filename:
frame.f_trace = self.prev_tracer
self.prev_tracer = DefaultNotGiven
def stop(self, filename):
"""Stops tracing a file."""
filename = normabspath(filename)
self.files.discard(filename)
if len(self.files) == 0:
sys.settrace(self.prev_tracer)
curr = inspect.currentframe()
for frame, fname, *_ in getouterframes(curr, context=0):
if normabspath(fname) == filename:
frame.f_trace = self.prev_tracer
self.prev_tracer = DefaultNotGiven
def start(self, filename):
"""Starts tracing a file."""
files = self.files
if len(files) == 0:
self.prev_tracer = sys.gettrace()
files.add(normabspath(filename))
sys.settrace(self.trace)
curr = inspect.currentframe()
for frame, fname, *_ in getouterframes(curr, context=0):
if normabspath(fname) in files:
frame.f_trace = self.trace
def _find_caller(args):
"""Somewhat hacky method of finding the __file__ based on the line executed."""
re_line = re.compile(r'[^;\s|&<>]+\s+' + r'\s+'.join(args))
curr = inspect.currentframe()
for _, fname, lineno, _, lines, _ in getouterframes(curr, context=1)[3:]:
if lines is not None and re_line.search(lines[0]) is not None:
return fname
elif lineno == 1 and re_line.search(linecache.getline(fname, lineno)) is not None:
# There is a bug in CPython such that getouterframes(curr, context=1)
# will actually return the 2nd line in the code_context field, even though
# line number is itself correct. We manually fix that in this branch.
return fname
else:
msg = ('xonsh: warning: __file__ name could not be found. You may be '
'trying to trace interactively. Please pass in the file names '
'you want to trace explicitly.')
print(msg, file=sys.stderr)
def _find_caller(args):
"""Somewhat hacky method of finding the __file__ based on the line executed."""
re_line = re.compile(r'[^;\s|&<>]+\s+' + r'\s+'.join(args))
curr = inspect.currentframe()
for _, fname, lineno, _, lines, _ in getouterframes(curr, context=1)[3:]:
if lines is not None and re_line.search(lines[0]) is not None:
return fname
elif lineno == 1 and re_line.search(linecache.getline(fname, lineno)) is not None:
# There is a bug in CPython such that getouterframes(curr, context=1)
# will actually return the 2nd line in the code_context field, even though
# line number is itself correct. We manually fix that in this branch.
return fname
else:
msg = ('xonsh: warning: __file__ name could not be found. You may be '
'trying to trace interactively. Please pass in the file names '
'you want to trace explicitly.')
print(msg, file=sys.stderr)
def test_getouterframes():
"""Just test that this works."""
curr = inspect.currentframe()
getouterframes(curr, context=0)
