Update assess.py
This commit is contained in:
tstaubitz
@ -1,234 +1 @@
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import webpython, contextlib, io, json, sys, turtle, ast
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from webpython import shell
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turtle_operations = []
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bindings = {}
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class RecordingPen:
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_pen = None
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_screen = None
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def __init__(self):
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self.operations = turtle_operations
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self._pos = (0,0)
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turtle_operations.append(('__init__',()))
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def reset(self):
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turtle_operations.clear()
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def onclick(self, fun, btn=1, add=None):
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self.operations.append(('onclick', (fun,)))
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def eventfun(event):
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fun(event.x, event.y)
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bindings['<Button-1>'] = eventfun
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def goto(self, x, y):
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self._pos = (x,y)
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self.operations.append(('goto', (x,y)))
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def pos(self):
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self.operations.append(('pos', ()))
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return self._pos
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def __getattr__(self, method):
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def func(*args):
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self.operations.append((method, args))
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return func
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class FakeCanvas(turtle.WebCanvas):
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def flushbatch(self):
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pass
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def get_width(self):
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return 400
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def get_height(self):
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return 400
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def delete(self, item):
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pass
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def css(self, key, value):
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pass
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fake_events = []
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def mainloop():
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while fake_events:
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e = turtle.Event(fake_events.pop(0))
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if e.type in bindings:
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bindings[e.type](e)
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turtle.Turtle = RecordingPen
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turtle.WebCanvas = FakeCanvas
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pen = turtle._getpen()
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turtle.mainloop = mainloop
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def filter_operations(name):
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return [o for o in turtle_operations if o[0] == name]
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@contextlib.contextmanager
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def capture():
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global captured_out
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import sys
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oldout,olderr = sys.stdout, sys.stderr
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try:
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out=[io.StringIO(), io.StringIO()]
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captured_out = out
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sys.stdout,sys.stderr = out
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yield out
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finally:
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sys.stdout,sys.stderr = oldout, olderr
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out[0] = out[0].getvalue()
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out[1] = out[1].getvalue()
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def get_source():
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message = json.loads(sys.argv[1])
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return message['data']
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def get_ast():
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s = get_source()
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return ast.parse(s, "programm.py", "exec")
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def has_bare_except():
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for node in ast.walk(get_ast()):
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if isinstance(node, ast.ExceptHandler):
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if node.type is None:
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return True
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return False
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def runcaptured(prefix='', tracing=None, variables=None, source=''):
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#message = json.loads(sys.argv[1])
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#source = prefix + message['data']
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with open("programm.py", "w", encoding='utf-8') as f:
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f.write(source)
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c = compile(source, "programm.py", 'exec')
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with capture() as out, trace(tracing):
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if variables is None:
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variables = {}
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exec(c, variables)
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return source, out[0], out[1], variables
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def runfunc(func, *args, tracing=None):
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with capture() as out, trace(tracing):
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res = func(*args)
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return out[0], out[1], res
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def passed():
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msg_in = json.loads(sys.argv[1])
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msg_out = {'cmd':'passed'}
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msg_out['lis_outcome_service_url'] = msg_in['lis_outcome_service_url']
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msg_out['lis_result_sourcedid'] = msg_in['lis_result_sourcedid']
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webpython.shell.sendpickle(msg_out)
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def failed(msg):
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msg_in = json.loads(sys.argv[1])
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msg_out = {'cmd':'failed', 'data':'Dein Programm ist leider falsch:\n'+msg}
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msg_out['lis_outcome_service_url'] = msg_in['lis_outcome_service_url']
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msg_out['lis_result_sourcedid'] = msg_in['lis_result_sourcedid']
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webpython.shell.sendpickle(msg_out)
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def modified(variables, name, val):
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if variables.get(name) != val:
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msg_in = json.loads(sys.argv[1])
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msg_out = {'cmd':'failed',
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'data':('Bitte lösche Deine Zuweisung der Variable %s, '+
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'damit wir Dein Programm überprüfen können.') % name}
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msg_out['lis_outcome_service_url'] = msg_in['lis_outcome_service_url']
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msg_out['lis_result_sourcedid'] = msg_in['lis_result_sourcedid']
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webpython.shell.sendpickle(msg_out)
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return True
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return False
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undefined = object()
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def getvar(variables, name):
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try:
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return variables['name']
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except KeyError:
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name = name.lower()
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for k,v in variables.items():
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if k.lower() == name:
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return v
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return undefined
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def _match(n1, n2):
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if n1 == n2:
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return True
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if n1 is None or n2 is None:
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return False
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return n1.lower() == n2.lower()
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class Call:
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def __init__(self, name, args):
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self.name = name
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self.args = args
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self.calls = []
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self.current = None
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def findcall(self, f):
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if _match(self.name, f):
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return self
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for c in self.calls:
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r = c.findcall(f)
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if r:
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return r
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return None
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def calling(self, caller, callee):
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if _match(self.name, caller):
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for c in self.calls:
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if _match(c.name, callee):
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return True
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for c in self.calls:
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if c.calling(caller, callee):
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return True
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return False
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def countcalls(self, caller, callee):
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calls = 0
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if _match(self.name, caller):
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for c in self.calls:
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if _match(c.name, callee):
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calls += 1
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return calls
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for c in self.calls:
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r = c.countcalls(caller, callee)
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if r > 0:
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return r
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return 0
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class Tracing(Call):
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def __init__(self):
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Call.__init__(self, None, None)
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def trace(self, frame, event, arg):
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if event == 'call':
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c = Call(frame.f_code.co_name, frame.f_locals.copy())
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cur = self
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while cur.current:
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cur = cur.current
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cur.calls.append(c)
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cur.current = c
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return self.trace
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elif event in ('return', 'exception'):
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cur = self
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if not cur.current:
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# XXX return without call? happens when invocation of top function fails
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return
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while cur.current.current:
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cur = cur.current
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cur.current = None
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def start(self):
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sys.settrace(self.trace)
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def stop(self):
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sys.settrace(None)
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@contextlib.contextmanager
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def trace(t):
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try:
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if t:
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t.start()
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yield
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finally:
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if t:
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t.stop()
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# moved to dockerfiles/ubuntu-python
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