twisted.python.reflect.safe_repr

Here are the examples of the python api twisted.python.reflect.safe_repr taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

20 Examples 7

Example 1

Project: mythbox Source File: task.py
Function: repr
    def __repr__(self):
        if hasattr(self.f, 'func_name'):
            func = self.f.func_name
            if hasattr(self.f, 'im_class'):
                func = self.f.im_class.__name__ + '.' + func
        else:
            func = reflect.safe_repr(self.f)

        return 'LoopingCall<%r>(%s, *%s, **%s)' % (
            self.interval, func, reflect.safe_repr(self.a),
            reflect.safe_repr(self.kw))

Example 2

Project: mythbox Source File: test_reflect.py
Function: test_workingrepr
    def test_workingRepr(self):
        """
        L{reflect.safe_repr} produces the same output as C{repr} on a working
        object.
        """
        x = [1, 2, 3]
        self.assertEquals(reflect.safe_repr(x), repr(x))

Example 3

Project: mythbox Source File: test_reflect.py
Function: test_broken_repr
    def test_brokenRepr(self):
        """
        L{reflect.safe_repr} returns a string with class name, address, and
        traceback when the repr call failed.
        """
        b = Breakable()
        b.breakRepr = True
        bRepr = reflect.safe_repr(b)
        self.assertIn("Breakable instance at 0x", bRepr)
        # Check that the file is in the repr, but without the extension as it
        # can be .py/.pyc
        self.assertIn(os.path.splitext(__file__)[0], bRepr)
        self.assertIn("RuntimeError: repr!", bRepr)

Example 4

Project: mythbox Source File: test_reflect.py
Function: test_brokenstr
    def test_brokenStr(self):
        """
        L{reflect.safe_repr} isn't affected by a broken C{__str__} method.
        """
        b = Breakable()
        b.breakStr = True
        self.assertEquals(reflect.safe_repr(b), repr(b))

Example 5

Project: mythbox Source File: test_reflect.py
Function: test_unsignedid
    def test_unsignedID(self):
        """
        L{unsignedID} is used to print ID of the object in case of error, not
        standard ID value which can be negative.
        """
        class X(BTBase):
            breakRepr = True

        ids = {X: 100}
        def fakeID(obj):
            try:
                return ids[obj]
            except (TypeError, KeyError):
                return id(obj)
        self.addCleanup(util.setIDFunction, util.setIDFunction(fakeID))

        xRepr = reflect.safe_repr(X)
        self.assertIn("0x64", xRepr)

Example 6

Project: mythbox Source File: test_reflect.py
Function: test_brokenclassattribute
    def test_brokenClassAttribute(self):
        """
        If an object raises an exception when accessing its C{__class__}
        attribute, L{reflect.safe_repr} uses C{type} to retrieve the class
        object.
        """
        b = NoClassAttr()
        b.breakRepr = True
        bRepr = reflect.safe_repr(b)
        self.assertIn("NoClassAttr instance at 0x", bRepr)
        self.assertIn(os.path.splitext(__file__)[0], bRepr)
        self.assertIn("RuntimeError: repr!", bRepr)

Example 7

Project: mythbox Source File: test_reflect.py
Function: test_brokenclassnameattribute
    def test_brokenClassNameAttribute(self):
        """
        If a class raises an exception when accessing its C{__name__} attribute
        B{and} when calling its C{__str__} implementation, L{reflect.safe_repr}
        returns 'BROKEN CLASS' instead of the class name.
        """
        class X(BTBase):
            breakName = True
        xRepr = reflect.safe_repr(X())
        self.assertIn("<BROKEN CLASS AT 0x", xRepr)
        self.assertIn(os.path.splitext(__file__)[0], xRepr)
        self.assertIn("RuntimeError: repr!", xRepr)

Example 8

Project: TwistedBot Source File: task.py
Function: repr
    def __repr__(self):
        if hasattr(self.f, '__qualname__'):
            func = self.f.__qualname__
        elif hasattr(self.f, '__name__'):
            func = self.f.__name__
            if hasattr(self.f, 'im_class'):
                func = self.f.im_class.__name__ + '.' + func
        else:
            func = reflect.safe_repr(self.f)

        return 'LoopingCall<%r>(%s, *%s, **%s)' % (
            self.interval, func, reflect.safe_repr(self.a),
            reflect.safe_repr(self.kw))

Example 9

Project: TwistedBot Source File: failure.py
def _safeReprVars(varsDictItems):
    """
    Convert a list of (name, object) pairs into (name, repr) pairs.

    L{twisted.python.reflect.safe_repr} is used to generate the repr, so no
    exceptions will be raised by faulty C{__repr__} methods.

    @param varsDictItems: a sequence of (name, value) pairs as returned by e.g.
        C{locals().items()}.
    @returns: a sequence of (name, repr) pairs.
    """
    return [(name, reflect.safe_repr(obj)) for (name, obj) in varsDictItems]

Example 10

Project: SubliminalCollaborator Source File: test_reflect.py
Function: test_workingrepr
    def test_workingRepr(self):
        """
        L{reflect.safe_repr} produces the same output as C{repr} on a working
        object.
        """
        x = [1, 2, 3]
        self.assertEqual(reflect.safe_repr(x), repr(x))

Example 11

Project: SubliminalCollaborator Source File: test_reflect.py
Function: test_brokenstr
    def test_brokenStr(self):
        """
        L{reflect.safe_repr} isn't affected by a broken C{__str__} method.
        """
        b = Breakable()
        b.breakStr = True
        self.assertEqual(reflect.safe_repr(b), repr(b))

Example 12

Project: flumotion Source File: rtsp.py
    def _renderCallback(self, result, resrc):
        body = result
        if type(body) is not types.StringType:
            self.warning('request did not return a string but %r' %
                type(body))
            body = self._error(INTERNAL_SERVER_ERROR,
                "Request did not return a string",
                "Request: " + reflect.safe_repr(self),
                "Resource: " + reflect.safe_repr(resrc),
                "Value: " + reflect.safe_repr(body))
        self.setHeader('Content-Length', str(len(body)))

        lines = []
        for key, value in self.headers.items():
            lines.append("%s: %s" % (key, value))
        # FIXME: debug response code
        self.debug('responding to %s %s with %s (%d)' % (
            self.method, self.path, self.code_message, self.code))
        self.debug('outgoing headers:\n%s\n' % "\n".join(lines))
        if body:
            self.debug('body:\n%s\n' % body)
        self.log('RTSPRequest._renderCallback(): outgoing response:\n%s\n' %
            "\n".join(lines))
        self.log("\n".join(lines))
        self.log("\n")
        self.log(body)

        self.channel.site.logReply(self.code, self.code_message, lines, body)

        self.write(body)
        self.finish()

Example 13

Project: spinoff Source File: __init__.py
Function: str
    def __str__(self):
        if self._str is not None:
            return self._str
        if hasattr(self, 'func'):
            if hasattr(self.func, 'func_name'):
                func = self.func.func_name
                if hasattr(self.func, 'im_class'):
                    func = self.func.im_class.__name__ + '.' + func
            else:
                func = reflect.safe_repr(self.func)
        else:
            func = None
        now = self.seconds()
        L = ['<DelayedCall 0x%x [%ss] called=%s cancelled=%s' %
             (util.unsignedID(self), self.time - now, self.called, self.cancelled)]
        if func is not None:
            L.extend((' ', func, '('))
            if self.a:
                L.append(', '.join([reflect.safe_repr(e) for e in self.a]))
                if self.kw:
                    L.append(', ')
            if self.kw:
                L.append(', '.join(['%s=%s' % (k, reflect.safe_repr(v)) for (k, v) in self.kw.iteritems()]))
            L.append(')')
        if self.debug:
            L.append('\n\ntraceback at creation: \n\n%s' % ('    '.join(self.creator)))
        L.append('>')
        return ''.join(L)

Example 14

Project: mythbox Source File: base.py
Function: str
    def __str__(self):
        if self._str is not None:
            return self._str
        if hasattr(self, 'func'):
            if hasattr(self.func, 'func_name'):
                func = self.func.func_name
                if hasattr(self.func, 'im_class'):
                    func = self.func.im_class.__name__ + '.' + func
            else:
                func = reflect.safe_repr(self.func)
        else:
            func = None

        now = self.seconds()
        L = ["<DelayedCall 0x%x [%ss] called=%s cancelled=%s" % (
                unsignedID(self), self.time - now, self.called,
                self.cancelled)]
        if func is not None:
            L.extend((" ", func, "("))
            if self.args:
                L.append(", ".join([reflect.safe_repr(e) for e in self.args]))
                if self.kw:
                    L.append(", ")
            if self.kw:
                L.append(", ".join(['%s=%s' % (k, reflect.safe_repr(v)) for (k, v) in self.kw.iteritems()]))
            L.append(")")

        if self.debug:
            L.append("\n\ntraceback at creation: \n\n%s" % ('    '.join(self.creator)))
        L.append('>')

        return "".join(L)

Example 15

Project: mythbox Source File: failure.py
Function: get_state
    def __getstate__(self):
        """Avoid pickling objects in the traceback.
        """
        if self.pickled:
            return self.__dict__
        c = self.__dict__.copy()

        c['frames'] = [
            [
                v[0], v[1], v[2],
                [(j[0], reflect.safe_repr(j[1])) for j in v[3]],
                [(j[0], reflect.safe_repr(j[1])) for j in v[4]]
            ] for v in self.frames
        ]

        # added 2003-06-23. See comment above in __init__
        c['tb'] = None

        if self.stack is not None:
            # XXX: This is a band-aid.  I can't figure out where these
            # (failure.stack is None) instances are coming from.
            c['stack'] = [
                [
                    v[0], v[1], v[2],
                    [(j[0], reflect.safe_repr(j[1])) for j in v[3]],
                    [(j[0], reflect.safe_repr(j[1])) for j in v[4]]
                ] for v in self.stack
            ]

        c['pickled'] = 1
        return c

Example 16

Project: mythbox Source File: test_reflect.py
Function: test_brokenclassrepr
    def test_brokenClassRepr(self):
        class X(BTBase):
            breakRepr = True
        reflect.safe_repr(X)
        reflect.safe_repr(X())

Example 17

Project: mythbox Source File: test_reflect.py
Function: test_brokenclassstr
    def test_brokenClassStr(self):
        class X(BTBase):
            breakStr = True
        reflect.safe_repr(X)
        reflect.safe_repr(X())

Example 18

Project: Firefly Source File: delayrequest.py
    def render(self, resrc):
        """
        Ask a resource to render itself.

        @param resrc: a L{twisted.web.resource.IResource}.
        """
        try:
            body = resrc.render(self)
        except UnsupportedMethod, e:
            allowedMethods = e.allowedMethods
            if (self.method == "HEAD") and ("GET" in allowedMethods):
                # We must support HEAD (RFC 2616, 5.1.1).  If the
                # resource doesn't, fake it by giving the resource
                # a 'GET' request and then return only the headers,
                # not the body.
                log.msg("Using GET to fake a HEAD request for %s" %
                        (resrc,))
                self.method = "GET"
                self._inFakeHead = True
                body = resrc.render(self)

                if body is NOT_DONE_YET:
                    log.msg("Tried to fake a HEAD request for %s, but "
                            "it got away from me." % resrc)
                    # Oh well, I guess we won't include the content length.
                else:
                    self.setHeader('content-length', str(len(body)))

                self._inFakeHead = False
                self.method = "HEAD"
                self.write('')
                self.finish()
                return

            if self.method in (supportedMethods):
                # We MUST include an Allow header
                # (RFC 2616, 10.4.6 and 14.7)
                self.setHeader('Allow', ', '.join(allowedMethods))
                s = ('''Your browser approached me (at %(URI)s) with'''
                     ''' the method "%(method)s".  I only allow'''
                     ''' the method%(plural)s %(allowed)s here.''' % {
                    'URI': escape(self.uri),
                    'method': self.method,
                    'plural': ((len(allowedMethods) > 1) and 's') or '',
                    'allowed': string.join(allowedMethods, ', ')
                    })
                epage = resource.ErrorPage(http.NOT_ALLOWED,
                                           "Method Not Allowed", s)
                body = epage.render(self)
            else:
                epage = resource.ErrorPage(
                    http.NOT_IMPLEMENTED, "Huh?",
                    "I don't know how to treat a %s request." %
                    (escape(self.method),))
                body = epage.render(self)
        # end except UnsupportedMethod

        if body == NOT_DONE_YET:
            return
        if not isinstance(body, defer.Deferred) and type(body) is not types.StringType:
            body = resource.ErrorPage(
                http.INTERNAL_SERVER_ERROR,
                "Request did not return a string",
                "Request: " + html.PRE(reflect.safe_repr(self)) + "<br />" +
                "Resource: " + html.PRE(reflect.safe_repr(resrc)) + "<br />" +
                "Value: " + html.PRE(reflect.safe_repr(body))).render(self)

        if self.method == "HEAD":
            if len(body) > 0:
                # This is a Bad Thing (RFC 2616, 9.4)
                log.msg("Warning: HEAD request %s for resource %s is"
                        " returning a message body."
                        "  I think I'll eat it."
                        % (self, resrc))
                self.setHeader('content-length', str(len(body)))
            self.write('')
            self.finish()
        else:
            if isinstance(body, defer.Deferred):
                body.addCallback(self._deferwrite)
            else:
                self.setHeader('content-length', str(len(body)))
                self.write(body)
                self.finish()

Example 19

Project: TwistedBot Source File: base.py
Function: str
    def __str__(self):
        if self._str is not None:
            return self._str
        if hasattr(self, 'func'):
            # This code should be replaced by a utility function in reflect;
            # see ticket #6066:
            if hasattr(self.func, '__qualname__'):
                func = self.func.__qualname__
            elif hasattr(self.func, '__name__'):
                func = self.func.func_name
                if hasattr(self.func, 'im_class'):
                    func = self.func.im_class.__name__ + '.' + func
            else:
                func = reflect.safe_repr(self.func)
        else:
            func = None

        now = self.seconds()
        L = ["<DelayedCall 0x%x [%ss] called=%s cancelled=%s" % (
                unsignedID(self), self.time - now, self.called,
                self.cancelled)]
        if func is not None:
            L.extend((" ", func, "("))
            if self.args:
                L.append(", ".join([reflect.safe_repr(e) for e in self.args]))
                if self.kw:
                    L.append(", ")
            if self.kw:
                L.append(", ".join(['%s=%s' % (k, reflect.safe_repr(v)) for (k, v) in self.kw.items()]))
            L.append(")")

        if self.debug:
            L.append("\n\ntraceback at creation: \n\n%s" % ('    '.join(self.creator)))
        L.append('>')

        return "".join(L)

Example 20

Project: SubliminalCollaborator Source File: server.py
    def render(self, resrc):
        """
        Ask a resource to render itself.

        @param resrc: a L{twisted.web.resource.IResource}.
        """
        try:
            body = resrc.render(self)
        except UnsupportedMethod, e:
            allowedMethods = e.allowedMethods
            if (self.method == "HEAD") and ("GET" in allowedMethods):
                # We must support HEAD (RFC 2616, 5.1.1).  If the
                # resource doesn't, fake it by giving the resource
                # a 'GET' request and then return only the headers,
                # not the body.
                log.msg("Using GET to fake a HEAD request for %s" %
                        (resrc,))
                self.method = "GET"
                self._inFakeHead = True
                body = resrc.render(self)

                if body is NOT_DONE_YET:
                    log.msg("Tried to fake a HEAD request for %s, but "
                            "it got away from me." % resrc)
                    # Oh well, I guess we won't include the content length.
                else:
                    self.setHeader('content-length', str(len(body)))

                self._inFakeHead = False
                self.method = "HEAD"
                self.write('')
                self.finish()
                return

            if self.method in (supportedMethods):
                # We MUST include an Allow header
                # (RFC 2616, 10.4.6 and 14.7)
                self.setHeader('Allow', ', '.join(allowedMethods))
                s = ('''Your browser approached me (at %(URI)s) with'''
                     ''' the method "%(method)s".  I only allow'''
                     ''' the method%(plural)s %(allowed)s here.''' % {
                    'URI': escape(self.uri),
                    'method': self.method,
                    'plural': ((len(allowedMethods) > 1) and 's') or '',
                    'allowed': string.join(allowedMethods, ', ')
                    })
                epage = resource.ErrorPage(http.NOT_ALLOWED,
                                           "Method Not Allowed", s)
                body = epage.render(self)
            else:
                epage = resource.ErrorPage(
                    http.NOT_IMPLEMENTED, "Huh?",
                    "I don't know how to treat a %s request." %
                    (escape(self.method),))
                body = epage.render(self)
        # end except UnsupportedMethod

        if body == NOT_DONE_YET:
            return
        if type(body) is not types.StringType:
            body = resource.ErrorPage(
                http.INTERNAL_SERVER_ERROR,
                "Request did not return a string",
                "Request: " + html.PRE(reflect.safe_repr(self)) + "<br />" +
                "Resource: " + html.PRE(reflect.safe_repr(resrc)) + "<br />" +
                "Value: " + html.PRE(reflect.safe_repr(body))).render(self)

        if self.method == "HEAD":
            if len(body) > 0:
                # This is a Bad Thing (RFC 2616, 9.4)
                log.msg("Warning: HEAD request %s for resource %s is"
                        " returning a message body."
                        "  I think I'll eat it."
                        % (self, resrc))
                self.setHeader('content-length', str(len(body)))
            self.write('')
        else:
            self.setHeader('content-length', str(len(body)))
            self.write(body)
        self.finish()