scratch: pydershell/pydershell.py annotate

annotate pydershell/pydershell.py @ 19:057260102960

Made wrapping of python objects much nicer.

author	Atul Varma <varmaa@toolness.com>
date	Mon, 07 Sep 2009 12:57:20 -0700
parents	69e5523ebdc6
children	8dd18f864351

rev	line source
11 74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	1 #! /usr/bin/env python
74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	2
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	3 import sys
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	4 import time
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	5 import threading
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	6 import traceback
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	7 import weakref
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	8
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	9 import pydermonkey
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	10
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	11 class ContextWatchdogThread(threading.Thread):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	12 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	13 Watches active JS contexts and triggers their operation callbacks
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	14 at a regular interval.
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	15 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	16
13 2a3313bfe574 Minor refactoring. Atul Varma <varmaa@toolness.com> parents: 12 diff changeset	17 DEFAULT_INTERVAL = 0.25
2a3313bfe574 Minor refactoring. Atul Varma <varmaa@toolness.com> parents: 12 diff changeset	18
2a3313bfe574 Minor refactoring. Atul Varma <varmaa@toolness.com> parents: 12 diff changeset	19 def __init__(self, interval=DEFAULT_INTERVAL):
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	20 threading.Thread.__init__(self)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	21 self._lock = threading.Lock()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	22 self._stop = threading.Event()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	23 self._contexts = []
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	24 self.interval = interval
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	25 self.setDaemon(True)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	26
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	27 def add_context(self, cx):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	28 self._lock.acquire()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	29 try:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	30 self._contexts.append(weakref.ref(cx))
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	31 finally:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	32 self._lock.release()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	33
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	34 def join(self):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	35 self._stop.set()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	36 threading.Thread.join(self)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	37
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	38 def run(self):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	39 while not self._stop.isSet():
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	40 time.sleep(self.interval)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	41 new_list = []
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	42 self._lock.acquire()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	43 try:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	44 for weakcx in self._contexts:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	45 cx = weakcx()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	46 if cx:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	47 new_list.append(weakcx)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	48 cx.trigger_operation_callback()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	49 self._contexts = new_list
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	50 finally:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	51 self._lock.release()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	52
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	53 # Create a global watchdog.
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	54 watchdog = ContextWatchdogThread()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	55 watchdog.start()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	56
11 74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	57 class InternalError(BaseException):
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	58 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	59 Represents an error in a JS-wrapped Python function that wasn't
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	60 expected to happen; because it's derived from BaseException, it
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	61 unrolls the whole JS/Python stack so that the error can be
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	62 reported to the outermost calling code.
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	63 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	64
11 74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	65 def __init__(self):
74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	66 BaseException.__init__(self)
74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	67 self.exc_info = sys.exc_info()
74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	68
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	69 class SafeJsObjectWrapper(object):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	70 """
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	71 Securely wraps a JS object to behave like any normal Python object.
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	72 """
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	73
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	74 __slots__ = ['_jsobject', '_sandbox', '_this']
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	75
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	76 def __init__(self, sandbox, jsobject, this):
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	77 if not isinstance(jsobject, pydermonkey.Object):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	78 raise TypeError("Cannot wrap '%s' object" %
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	79 type(jsobject).__name__)
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	80 object.__setattr__(self, '_sandbox', sandbox)
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	81 object.__setattr__(self, '_jsobject', jsobject)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	82 object.__setattr__(self, '_this', this)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	83
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	84 @property
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	85 def wrapped_jsobject(self):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	86 return self._jsobject
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	87
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	88 def _wrap_to_python(self, jsvalue):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	89 return self._sandbox.wrap_jsobject(jsvalue, self._jsobject)
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	90
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	91 def _wrap_to_js(self, value):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	92 return self._sandbox.wrap_pyobject(value)
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	93
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	94 def __eq__(self, other):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	95 if isinstance(other, SafeJsObjectWrapper):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	96 return self._jsobject == other._jsobject
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	97 else:
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	98 return False
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	99
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	100 def __str__(self):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	101 return self.toString()
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	102
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	103 def __unicode__(self):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	104 return self.toString()
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	105
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	106 def __setitem__(self, item, value):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	107 self.__setattr__(item, value)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	108
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	109 def __setattr__(self, name, value):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	110 cx = self._sandbox.cx
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	111 jsobject = self._jsobject
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	112
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	113 cx.define_property(jsobject, name,
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	114 self._wrap_to_js(value))
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	115
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	116 def __getitem__(self, item):
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	117 return self.__getattr__(item)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	118
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	119 def __getattr__(self, name):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	120 cx = self._sandbox.cx
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	121 jsobject = self._jsobject
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	122
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	123 return self._wrap_to_python(cx.get_property(jsobject, name))
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	124
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	125 def __contains__(self, item):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	126 cx = self._sandbox.cx
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	127 jsobject = self._jsobject
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	128
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	129 return cx.has_property(jsobject, item)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	130
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	131 def __iter__(self):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	132 cx = self._sandbox.cx
17 1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	133 jsobject = self._jsobject
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	134
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	135 properties = cx.enumerate(jsobject)
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	136 for property in properties:
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	137 yield property
1d62177c5c27 Added a safe js object wrapper. Atul Varma <varmaa@toolness.com> parents: 16 diff changeset	138
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	139 class SafeJsFunctionWrapper(SafeJsObjectWrapper):
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	140 """
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	141 Securely wraps a JS function to behave like any normal Python object.
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	142 """
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	143
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	144 def __init__(self, sandbox, jsfunction, this):
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	145 if not isinstance(jsfunction, pydermonkey.Function):
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	146 raise TypeError("Cannot wrap '%s' object" %
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	147 type(jsobject).__name__)
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	148 SafeJsObjectWrapper.__init__(self, sandbox, jsfunction, this)
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	149
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	150 def __call__(self, *args):
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	151 cx = self._sandbox.cx
18 69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	152 jsobject = self._jsobject
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	153 this = self._this
69e5523ebdc6 Separated out SafeJsObjectWrapper into itself and a new subclass, SafeJsFunctionWrapper, so that callable() works properly on instances. Atul Varma <varmaa@toolness.com> parents: 17 diff changeset	154
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	155 arglist = []
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	156 for arg in args:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	157 arglist.append(self._wrap_to_js(arg))
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	158
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	159 obj = cx.call_function(this, jsobject, tuple(arglist))
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	160 return self._wrap_to_python(obj)
11 74f27983a350 Added more to pydershell. Atul Varma <varmaa@toolness.com> parents: 10 diff changeset	161
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	162 def format_stack(js_stack):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	163 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	164 Returns a formatted Python-esque stack traceback of the given
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	165 JS stack.
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	166 """
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	167
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	168 STACK_LINE =" File \"%(filename)s\", line %(lineno)d, in %(name)s"
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	169
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	170 lines = []
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	171 while js_stack:
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	172 script = js_stack['script']
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	173 function = js_stack['function']
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	174 if script:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	175 frameinfo = dict(filename = script.filename,
16 a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	176 lineno = js_stack['lineno'],
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	177 name = '<module>')
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	178 elif function and not function.is_python:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	179 frameinfo = dict(filename = function.filename,
16 a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	180 lineno = js_stack['lineno'],
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	181 name = function.name)
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	182 else:
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	183 frameinfo = None
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	184 if frameinfo:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	185 lines.insert(0, STACK_LINE % frameinfo)
16 a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	186 try:
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	187 filelines = open(frameinfo['filename']).readlines()
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	188 line = filelines[frameinfo['lineno'] - 1].strip()
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	189 lines.insert(1, " %s" % line)
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	190 except Exception:
a78570a423ea Show code excerpts in js stack tracebacks Atul Varma <varmaa@toolness.com> parents: 15 diff changeset	191 pass
10 fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	192 js_stack = js_stack['caller']
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	193 lines.insert(0, "Traceback (most recent call last):")
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	194 return '\n'.join(lines)
fb25af17bae6 Added pydershell. Atul Varma <varmaa@toolness.com> parents: diff changeset	195
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	196 class JSSandbox(object):
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	197 """
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	198 A JS runtime and associated functionality capable of securely
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	199 loading and executing scripts.
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	200 """
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	201
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	202 def __init__(self, watchdog=watchdog):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	203 rt = pydermonkey.Runtime()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	204 cx = rt.new_context()
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	205 root = cx.new_object()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	206 cx.init_standard_classes(root)
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	207
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	208 cx.set_operation_callback(self._opcb)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	209 cx.set_throw_hook(self._throwhook)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	210 watchdog.add_context(cx)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	211
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	212 self.rt = rt
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	213 self.cx = cx
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	214 self.curr_exc = None
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	215 self.py_stack = None
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	216 self.js_stack = None
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	217 self.__py_to_js = {}
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	218 self.root = self.wrap_jsobject(root, root)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	219
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	220 def finish(self):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	221 for jsobj in self.__py_to_js.values():
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	222 self.cx.clear_object_private(jsobj)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	223 del self.__py_to_js
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	224 del self.curr_exc
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	225 del self.py_stack
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	226 del self.js_stack
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	227 del self.cx
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	228 del self.rt
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	229
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	230 def _opcb(self, cx):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	231 # Don't do anything; if a keyboard interrupt was triggered,
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	232 # it'll get raised here automatically.
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	233 pass
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	234
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	235 def _throwhook(self, cx):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	236 curr_exc = cx.get_pending_exception()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	237 if self.curr_exc != curr_exc:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	238 self.curr_exc = curr_exc
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	239 self.py_stack = traceback.extract_stack()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	240 self.js_stack = cx.get_stack()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	241
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	242 def __wrap_pycallable(self, func):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	243 if func in self.__py_to_js:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	244 return self.__py_to_js[func]
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	245
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	246 if hasattr(func, '__name__'):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	247 name = func.__name__
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	248 else:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	249 name = ""
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	250
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	251 def wrapper(func_cx, this, args):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	252 try:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	253 arglist = []
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	254 for arg in args:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	255 arglist.append(self.wrap_jsobject(arg))
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	256 # TODO: Fill in extra required params with pymonkey.undefined?
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	257 # or automatically throw an exception to calling js code?
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	258 return func(*arglist)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	259 except pydermonkey.error:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	260 raise
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	261 except Exception:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	262 raise InternalError()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	263 wrapper.wrapped_pyobject = func
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	264 wrapper.__name__ = name
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	265
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	266 jsfunc = self.cx.new_function(wrapper, name)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	267 self.__py_to_js[func] = jsfunc
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	268
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	269 return jsfunc
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	270
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	271 def wrap_pyobject(self, value):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	272 if isinstance(value, SafeJsObjectWrapper):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	273 # It's already wrapped, just unwrap it.
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	274 return value.wrapped_jsobject
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	275 elif callable(value):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	276 return self.__wrap_pycallable(value)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	277 elif isinstance(value, object):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	278 raise NotImplementedError("TODO")
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	279 else:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	280 # Here's hoping it's a primitive value.
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	281 return value
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	282
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	283 def wrap_jsobject(self, jsvalue, this=None):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	284 if this is None:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	285 this = self.root.wrapped_jsobject
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	286 if isinstance(jsvalue, pydermonkey.Function):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	287 if jsvalue.is_python:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	288 # It's a Python function, just unwrap it.
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	289 return self.cx.get_object_private(jsvalue).wrapped_pyobject
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	290 return SafeJsFunctionWrapper(self, jsvalue, this)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	291 elif isinstance(jsvalue, pydermonkey.Object):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	292 return SafeJsObjectWrapper(self, jsvalue, this)
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	293 else:
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	294 # It's a primitive value.
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	295 return jsvalue
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	296
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	297 def run_script(self, filename):
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	298 contents = open(filename).read()
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	299 cx = self.cx
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	300 try:
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	301 cx.evaluate_script(self.root.wrapped_jsobject, contents,
12 f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	302 filename, 1)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	303 except pydermonkey.error, e:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	304 print format_stack(self.js_stack)
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	305 print e.args[1]
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	306 except InternalError, e:
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	307 print "An internal error occurred."
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	308 traceback.print_tb(e.exc_info[2])
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	309 print e.exc_info[1]
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	310
f024e41d0fb9 More refactoring, a bit more documentation. Atul Varma <varmaa@toolness.com> parents: 11 diff changeset	311 if __name__ == '__main__':
19 057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	312 sandbox = JSSandbox()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	313
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	314 def bar(obj):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	315 print obj.bar()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	316 sandbox.root.bar = bar
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	317
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	318 def foo(callback):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	319 return callback()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	320 sandbox.root.foo = foo
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	321
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	322 def jsprint(string):
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	323 print string
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	324 sandbox.root['print'] = jsprint
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	325
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	326 sandbox.run_script('test.js')
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	327
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	328 sandbox.finish()
057260102960 Made wrapping of python objects much nicer. Atul Varma <varmaa@toolness.com> parents: 18 diff changeset	329 del sandbox
15 351525e95a45 Added memory leak detection. Atul Varma <varmaa@toolness.com> parents: 14 diff changeset	330
351525e95a45 Added memory leak detection. Atul Varma <varmaa@toolness.com> parents: 14 diff changeset	331 import gc
351525e95a45 Added memory leak detection. Atul Varma <varmaa@toolness.com> parents: 14 diff changeset	332 gc.collect()
351525e95a45 Added memory leak detection. Atul Varma <varmaa@toolness.com> parents: 14 diff changeset	333 if pydermonkey.get_debug_info()['runtime_count']:
351525e95a45 Added memory leak detection. Atul Varma <varmaa@toolness.com> parents: 14 diff changeset	334 print "WARNING: JS runtime was not destroyed."

Mercurial > scratch

annotate pydershell/pydershell.py @ 19:057260102960