def changeAttrExpression(thread_id, frame_id, attr, expression):
"""Changes some attribute in a given frame.
"""
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace("@LINE@", "\n")
# if isinstance(frame, DjangoTemplateFrame): # TODO: implemente for plugins
# result = eval(expression, frame.f_globals, frame.f_locals)
# frame.changeVariable(attr, result)
# return result
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals, frame.f_locals)
return frame.f_globals[attr]
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
return frame.f_locals[attr]
# default way (only works for changing it in the topmost frame)
result = eval(expression, frame.f_globals, frame.f_locals)
Exec("%s=%s" % (attr, expression), frame.f_globals, frame.f_locals)
return result
except Exception:
traceback.print_exc()
def evaluateExpression(thread_id, frame_id, expression, doExec):
'''returns the result of the evaluated expression
@param doExec: determines if we should do an exec or an eval
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
expression = str(expression.replace('@LINE@', '\n'))
#Not using frame.f_globals because of https://sourceforge.net/tracker2/?func=detail&aid=2541355&group_id=85796&atid=577329
#(Names not resolved in generator expression in method)
#See message: http://mail.python.org/pipermail/python-list/2009-January/526522.html
updated_globals = {}
updated_globals.update(frame.f_globals)
updated_globals.update(
frame.f_locals
) #locals later because it has precedence over the actual globals
try:
if doExec:
try:
#try to make it an eval (if it is an eval we can print it, otherwise we'll exec it and
#it will have whatever the user actually did)
compiled = compile(expression, '<string>', 'eval')
except:
Exec(expression, updated_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
else:
result = eval(compiled, updated_globals, frame.f_locals)
if result is not None: #Only print if it's not None (as python does)
sys.stdout.write('%s\n' % (result, ))
return
else:
result = None
try:
result = eval(expression, updated_globals, frame.f_locals)
except Exception:
s = StringIO()
traceback.print_exc(file=s)
result = s.getvalue()
try:
try:
etype, value, tb = sys.exc_info()
result = value
finally:
etype = value = tb = None
except:
pass
result = ExceptionOnEvaluate(result)
return result
finally:
#Should not be kept alive if an exception happens and this frame is kept in the stack.
del updated_globals
del frame
def changeAttrExpression(thread_id, frame_id, attr, expression):
'''Changes some attribute in a given frame.
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace('@LINE@', '\n')
if isinstance(frame, DjangoTemplateFrame):
result = eval(expression, frame.f_globals, frame.f_locals)
frame.changeVariable(attr, result)
return
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals, frame.f_locals)
return frame.f_globals[attr]
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
return
#default way (only works for changing it in the topmost frame)
result = eval(expression, frame.f_globals, frame.f_locals)
Exec('%s=%s' % (attr, expression), frame.f_globals, frame.f_locals)
return result
except Exception:
traceback.print_exc()
def changeAttrExpression(thread_id, frame_id, attr, expression, dbg):
'''Changes some attribute in a given frame.
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace('@LINE@', '\n')
if dbg.plugin:
result = dbg.plugin.change_variable(frame, attr, expression)
if result:
return result
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
return frame.f_globals[attr]
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
pydevd_save_locals.save_locals(frame)
return frame.f_locals[attr]
#default way (only works for changing it in the topmost frame)
result = eval(expression, frame.f_globals, frame.f_locals)
Exec('%s=%s' % (attr, expression), frame.f_globals, frame.f_locals)
return result
except Exception:
traceback.print_exc()
def changeAttrExpression(thread_id, frame_id, attr, expression):
'''Changes some attribute in a given frame.
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace('@LINE@', '\n')
# if isinstance(frame, DjangoTemplateFrame): # TODO: implemente for plugins
# result = eval(expression, frame.f_globals, frame.f_locals)
# frame.changeVariable(attr, result)
# return
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
return frame.f_globals[attr]
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
pydevd_save_locals.save_locals(frame)
return frame.f_locals[attr]
#default way (only works for changing it in the topmost frame)
result = eval(expression, frame.f_globals, frame.f_locals)
Exec('%s=%s' % (attr, expression), frame.f_globals, frame.f_locals)
return result
except Exception:
traceback.print_exc()
def changeAttrExpression(thread_id, frame_id, attr, expression):
'''Changes some attribute in a given frame.
@note: it will not (currently) work if we're not in the topmost frame (that's a python
deficiency -- and it appears that there is no way of making it currently work --
will probably need some change to the python internals)
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace('@LINE@', '\n')
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals, frame.f_locals)
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
return
#default way (only works for changing it in the topmost frame)
Exec('%s=%s' % (attr, expression), frame.f_globals, frame.f_locals)
except Exception:
traceback.print_exc()
def changeAttrExpression(thread_id, frame_id, attr, expression):
'''Changes some attribute in a given frame.
@note: it will not (currently) work if we're not in the topmost frame (that's a python
deficiency -- and it appears that there is no way of making it currently work --
will probably need some change to the python internals)
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
try:
expression = expression.replace('@LINE@', '\n')
if attr[:7] == "Globals":
attr = attr[8:]
if attr in frame.f_globals:
frame.f_globals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
else:
if pydevd_save_locals.is_save_locals_available():
frame.f_locals[attr] = eval(expression, frame.f_globals,
frame.f_locals)
pydevd_save_locals.save_locals(frame)
return
#default way (only works for changing it in the topmost frame)
Exec('%s=%s' % (attr, expression), frame.f_globals, frame.f_locals)
except Exception:
traceback.print_exc()
def evaluateExpression(thread_id, frame_id, expression, doExec):
'''returns the result of the evaluated expression
@param doExec: determines if we should do an exec or an eval
'''
frame = findFrame(thread_id, frame_id)
if frame is None:
return
expression = str(expression.replace('@LINE@', '\n'))
#Not using frame.f_globals because of https://sourceforge.net/tracker2/?func=detail&aid=2541355&group_id=85796&atid=577329
#(Names not resolved in generator expression in method)
#See message: http://mail.python.org/pipermail/python-list/2009-January/526522.html
updated_globals = {}
updated_globals.update(frame.f_globals)
updated_globals.update(frame.f_locals) #locals later because it has precedence over the actual globals
try:
if doExec:
try:
#try to make it an eval (if it is an eval we can print it, otherwise we'll exec it and
#it will have whatever the user actually did)
compiled = compile(expression, '<string>', 'eval')
except:
Exec(expression, updated_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
else:
result = eval(compiled, updated_globals, frame.f_locals)
if result is not None: #Only print if it's not None (as python does)
sys.stdout.write('%s\n' % (result,))
return
else:
result = None
try:
result = eval(expression, updated_globals, frame.f_locals)
except Exception:
s = StringIO()
traceback.print_exc(file=s)
result = s.getvalue()
try:
try:
etype, value, tb = sys.exc_info()
result = value
finally:
etype = value = tb = None
except:
pass
result = ExceptionOnEvaluate(result)
return result
finally:
#Should not be kept alive if an exception happens and this frame is kept in the stack.
del updated_globals
del frame
def use_save_locals(name, value):
"""
Attempt to set the local of the given name to value, using locals_to_fast.
"""
frame = inspect.currentframe().f_back
locals_dict = frame.f_locals
locals_dict[name] = value
save_locals(frame)
def use_save_locals(name, value):
"""
Attempt to set the local of the given name to value, using locals_to_fast.
"""
frame = inspect.currentframe().f_back
locals_dict = frame.f_locals
locals_dict[name] = value
save_locals(frame)
def check_co_vars(a):
frame = sys._getframe()
def function2():
print(a)
assert 'a' in frame.f_code.co_cellvars
frame = sys._getframe()
frame.f_locals['a'] = 50
save_locals(frame)
self.assertEquals(50, a)
def check_co_vars(a):
frame = sys._getframe()
def function2():
print(a)
assert 'a' in frame.f_code.co_cellvars
frame = sys._getframe()
frame.f_locals['a'] = 50
save_locals(frame)
self.assertEquals(50, a)
def runcode(self, code):
"""Execute a code object.
When an exception occurs, self.showtraceback() is called to
display a traceback. All exceptions are caught except
SystemExit, which is reraised.
A note about KeyboardInterrupt: this exception may occur
elsewhere in this code, and may not always be caught. The
caller should be prepared to deal with it.
"""
try:
Exec(code, self.frame.f_globals, self.frame.f_locals)
pydevd_save_locals.save_locals(self.frame)
except SystemExit:
raise
except:
self.showtraceback()
def evaluateExpression(thread_id, frame_id, expression, doExec):
"""returns the result of the evaluated expression
@param doExec: determines if we should do an exec or an eval
"""
frame = findFrame(thread_id, frame_id)
if frame is None:
return
expression = str(expression.replace("@LINE@", "\n"))
# Not using frame.f_globals because of https://sourceforge.net/tracker2/?func=detail&aid=2541355&group_id=85796&atid=577329
# (Names not resolved in generator expression in method)
# See message: http://mail.python.org/pipermail/python-list/2009-January/526522.html
updated_globals = {}
updated_globals.update(frame.f_globals)
updated_globals.update(frame.f_locals) # locals later because it has precedence over the actual globals
try:
if doExec:
try:
# try to make it an eval (if it is an eval we can print it, otherwise we'll exec it and
# it will have whatever the user actually did)
compiled = compile(expression, "<string>", "eval")
except:
Exec(expression, updated_globals, frame.f_locals)
pydevd_save_locals.save_locals(frame)
else:
result = eval(compiled, updated_globals, frame.f_locals)
if result is not None: # Only print if it's not None (as python does)
sys.stdout.write("%s\n" % (result,))
return
else:
result = None
try:
result = eval(expression, updated_globals, frame.f_locals)
except Exception:
s = StringIO()
traceback.print_exc(file=s)
result = s.getvalue()
try:
try:
etype, value, tb = sys.exc_info()
result = value
finally:
etype = value = tb = None
except:
pass
result = ExceptionOnEvaluate(result)
# Ok, we have the initial error message, but let's see if we're dealing with a name mangling error...
try:
if "__" in expression:
# Try to handle '__' name mangling...
split = expression.split(".")
curr = frame.f_locals.get(split[0])
for entry in split[1:]:
if entry.startswith("__") and not hasattr(curr, entry):
entry = "_%s%s" % (curr.__class__.__name__, entry)
curr = getattr(curr, entry)
result = curr
except:
pass
return result
finally:
# Should not be kept alive if an exception happens and this frame is kept in the stack.
del updated_globals
del frame
def test_frame_simple_change(self):
frame = sys._getframe()
a = 20
frame.f_locals['a'] = 50
save_locals(frame)
self.assertEquals(50, a)
def change(f):
self.assert_(f is not sys._getframe())
f.f_locals['a']= 50
save_locals(f)
def func():
frame = sys._getframe()
frame.f_locals['outer_var'] = 50
save_locals(frame)
self.assertEquals(50, outer_var)
def test_frame_simple_change(self):
frame = sys._getframe()
a = 20
frame.f_locals['a'] = 50
save_locals(frame)
self.assertEquals(50, a)
def func():
frame = sys._getframe()
frame.f_locals['outer_var'] = 50
save_locals(frame)
self.assertEquals(50, outer_var)
def change(f):
self.assert_(f is not sys._getframe())
f.f_locals['a']= 50
save_locals(f)
