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-rw-r--r--examples/python/pytracer.py360
1 files changed, 0 insertions, 360 deletions
diff --git a/examples/python/pytracer.py b/examples/python/pytracer.py
deleted file mode 100644
index a166f21e9839..000000000000
--- a/examples/python/pytracer.py
+++ /dev/null
@@ -1,360 +0,0 @@
-import sys
-import inspect
-from collections import OrderedDict
-
-
-class TracebackFancy:
-
- def __init__(self, traceback):
- self.t = traceback
-
- def getFrame(self):
- return FrameFancy(self.t.tb_frame)
-
- def getLineNumber(self):
- return self.t.tb_lineno if self.t is not None else None
-
- def getNext(self):
- return TracebackFancy(self.t.tb_next)
-
- def __str__(self):
- if self.t is None:
- return ""
- str_self = "%s @ %s" % (
- self.getFrame().getName(), self.getLineNumber())
- return str_self + "\n" + self.getNext().__str__()
-
-
-class ExceptionFancy:
-
- def __init__(self, frame):
- self.etraceback = frame.f_exc_traceback
- self.etype = frame.exc_type
- self.evalue = frame.f_exc_value
-
- def __init__(self, tb, ty, va):
- self.etraceback = tb
- self.etype = ty
- self.evalue = va
-
- def getTraceback(self):
- return TracebackFancy(self.etraceback)
-
- def __nonzero__(self):
- return self.etraceback is not None or self.etype is not None or self.evalue is not None
-
- def getType(self):
- return str(self.etype)
-
- def getValue(self):
- return self.evalue
-
-
-class CodeFancy:
-
- def __init__(self, code):
- self.c = code
-
- def getArgCount(self):
- return self.c.co_argcount if self.c is not None else 0
-
- def getFilename(self):
- return self.c.co_filename if self.c is not None else ""
-
- def getVariables(self):
- return self.c.co_varnames if self.c is not None else []
-
- def getName(self):
- return self.c.co_name if self.c is not None else ""
-
- def getFileName(self):
- return self.c.co_filename if self.c is not None else ""
-
-
-class ArgsFancy:
-
- def __init__(self, frame, arginfo):
- self.f = frame
- self.a = arginfo
-
- def __str__(self):
- args, varargs, kwargs = self.getArgs(), self.getVarArgs(), self.getKWArgs()
- ret = ""
- count = 0
- size = len(args)
- for arg in args:
- ret = ret + ("%s = %s" % (arg, args[arg]))
- count = count + 1
- if count < size:
- ret = ret + ", "
- if varargs:
- if size > 0:
- ret = ret + " "
- ret = ret + "varargs are " + str(varargs)
- if kwargs:
- if size > 0:
- ret = ret + " "
- ret = ret + "kwargs are " + str(kwargs)
- return ret
-
- def getNumArgs(wantVarargs=False, wantKWArgs=False):
- args, varargs, keywords, values = self.a
- size = len(args)
- if varargs and wantVarargs:
- size = size + len(self.getVarArgs())
- if keywords and wantKWArgs:
- size = size + len(self.getKWArgs())
- return size
-
- def getArgs(self):
- args, _, _, values = self.a
- argWValues = OrderedDict()
- for arg in args:
- argWValues[arg] = values[arg]
- return argWValues
-
- def getVarArgs(self):
- _, vargs, _, _ = self.a
- if vargs:
- return self.f.f_locals[vargs]
- return ()
-
- def getKWArgs(self):
- _, _, kwargs, _ = self.a
- if kwargs:
- return self.f.f_locals[kwargs]
- return {}
-
-
-class FrameFancy:
-
- def __init__(self, frame):
- self.f = frame
-
- def getCaller(self):
- return FrameFancy(self.f.f_back)
-
- def getLineNumber(self):
- return self.f.f_lineno if self.f is not None else 0
-
- def getCodeInformation(self):
- return CodeFancy(self.f.f_code) if self.f is not None else None
-
- def getExceptionInfo(self):
- return ExceptionFancy(self.f) if self.f is not None else None
-
- def getName(self):
- return self.getCodeInformation().getName() if self.f is not None else ""
-
- def getFileName(self):
- return self.getCodeInformation().getFileName() if self.f is not None else ""
-
- def getLocals(self):
- return self.f.f_locals if self.f is not None else {}
-
- def getArgumentInfo(self):
- return ArgsFancy(
- self.f, inspect.getargvalues(
- self.f)) if self.f is not None else None
-
-
-class TracerClass:
-
- def callEvent(self, frame):
- pass
-
- def lineEvent(self, frame):
- pass
-
- def returnEvent(self, frame, retval):
- pass
-
- def exceptionEvent(self, frame, exception, value, traceback):
- pass
-
- def cCallEvent(self, frame, cfunct):
- pass
-
- def cReturnEvent(self, frame, cfunct):
- pass
-
- def cExceptionEvent(self, frame, cfunct):
- pass
-
-tracer_impl = TracerClass()
-
-
-def the_tracer_entrypoint(frame, event, args):
- if tracer_impl is None:
- return None
- if event == "call":
- call_retval = tracer_impl.callEvent(FrameFancy(frame))
- if not call_retval:
- return None
- return the_tracer_entrypoint
- elif event == "line":
- line_retval = tracer_impl.lineEvent(FrameFancy(frame))
- if not line_retval:
- return None
- return the_tracer_entrypoint
- elif event == "return":
- tracer_impl.returnEvent(FrameFancy(frame), args)
- elif event == "exception":
- exty, exva, extb = args
- exception_retval = tracer_impl.exceptionEvent(
- FrameFancy(frame), ExceptionFancy(extb, exty, exva))
- if not exception_retval:
- return None
- return the_tracer_entrypoint
- elif event == "c_call":
- tracer_impl.cCallEvent(FrameFancy(frame), args)
- elif event == "c_return":
- tracer_impl.cReturnEvent(FrameFancy(frame), args)
- elif event == "c_exception":
- tracer_impl.cExceptionEvent(FrameFancy(frame), args)
- return None
-
-
-def enable(t=None):
- global tracer_impl
- if t:
- tracer_impl = t
- sys.settrace(the_tracer_entrypoint)
-
-
-def disable():
- sys.settrace(None)
-
-
-class LoggingTracer:
-
- def callEvent(self, frame):
- print "call " + frame.getName() + " from " + frame.getCaller().getName() + " @ " + str(frame.getCaller().getLineNumber()) + " args are " + str(frame.getArgumentInfo())
-
- def lineEvent(self, frame):
- print "running " + frame.getName() + " @ " + str(frame.getLineNumber()) + " locals are " + str(frame.getLocals()) + " in " + frame.getFileName()
-
- def returnEvent(self, frame, retval):
- print "return from " + frame.getName() + " value is " + str(retval) + " locals are " + str(frame.getLocals())
-
- def exceptionEvent(self, frame, exception):
- print "exception %s %s raised from %s @ %s" % (exception.getType(), str(exception.getValue()), frame.getName(), frame.getLineNumber())
- print "tb: " + str(exception.getTraceback())
-
-# the same functionality as LoggingTracer, but with a little more
-# lldb-specific smarts
-
-
-class LLDBAwareTracer:
-
- def callEvent(self, frame):
- if frame.getName() == "<module>":
- return
- if frame.getName() == "run_one_line":
- print "call run_one_line(%s)" % (frame.getArgumentInfo().getArgs()["input_string"])
- return
- if "Python.framework" in frame.getFileName():
- print "call into Python at " + frame.getName()
- return
- if frame.getName() == "__init__" and frame.getCaller().getName(
- ) == "run_one_line" and frame.getCaller().getLineNumber() == 101:
- return False
- strout = "call " + frame.getName()
- if (frame.getCaller().getFileName() == ""):
- strout += " from LLDB - args are "
- args = frame.getArgumentInfo().getArgs()
- for arg in args:
- if arg == "dict" or arg == "internal_dict":
- continue
- strout = strout + ("%s = %s " % (arg, args[arg]))
- else:
- strout += " from " + frame.getCaller().getName() + " @ " + \
- str(frame.getCaller().getLineNumber()) + " args are " + str(frame.getArgumentInfo())
- print strout
-
- def lineEvent(self, frame):
- if frame.getName() == "<module>":
- return
- if frame.getName() == "run_one_line":
- print "running run_one_line(%s) @ %s" % (frame.getArgumentInfo().getArgs()["input_string"], frame.getLineNumber())
- return
- if "Python.framework" in frame.getFileName():
- print "running into Python at " + frame.getName() + " @ " + str(frame.getLineNumber())
- return
- strout = "running " + frame.getName() + " @ " + str(frame.getLineNumber()) + \
- " locals are "
- if (frame.getCaller().getFileName() == ""):
- locals = frame.getLocals()
- for local in locals:
- if local == "dict" or local == "internal_dict":
- continue
- strout = strout + ("%s = %s " % (local, locals[local]))
- else:
- strout = strout + str(frame.getLocals())
- strout = strout + " in " + frame.getFileName()
- print strout
-
- def returnEvent(self, frame, retval):
- if frame.getName() == "<module>":
- return
- if frame.getName() == "run_one_line":
- print "return from run_one_line(%s) return value is %s" % (frame.getArgumentInfo().getArgs()["input_string"], retval)
- return
- if "Python.framework" in frame.getFileName():
- print "return from Python at " + frame.getName() + " return value is " + str(retval)
- return
- strout = "return from " + frame.getName() + " return value is " + \
- str(retval) + " locals are "
- if (frame.getCaller().getFileName() == ""):
- locals = frame.getLocals()
- for local in locals:
- if local == "dict" or local == "internal_dict":
- continue
- strout = strout + ("%s = %s " % (local, locals[local]))
- else:
- strout = strout + str(frame.getLocals())
- strout = strout + " in " + frame.getFileName()
- print strout
-
- def exceptionEvent(self, frame, exception):
- if frame.getName() == "<module>":
- return
- print "exception %s %s raised from %s @ %s" % (exception.getType(), str(exception.getValue()), frame.getName(), frame.getLineNumber())
- print "tb: " + str(exception.getTraceback())
-
-
-def f(x, y=None):
- if x > 0:
- return 2 + f(x - 2)
- return 35
-
-
-def g(x):
- return 1.134 / x
-
-
-def print_keyword_args(**kwargs):
- # kwargs is a dict of the keyword args passed to the function
- for key, value in kwargs.iteritems():
- print "%s = %s" % (key, value)
-
-
-def total(initial=5, *numbers, **keywords):
- count = initial
- for number in numbers:
- count += number
- for key in keywords:
- count += keywords[key]
- return count
-
-if __name__ == "__main__":
- enable(LoggingTracer())
- f(5)
- f(5, 1)
- print_keyword_args(first_name="John", last_name="Doe")
- total(10, 1, 2, 3, vegetables=50, fruits=100)
- try:
- g(0)
- except:
- pass
- disable()
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-08 15:22:43 +0000