def do_check(self):
propkeys = python.set(self.config['properties'].keys())
vparms = python.set(self.vparms.keys())
aparms = python.set(self.aparms.keys())
for kind, parms in ('Video', vparms), ('Audio', aparms):
missing = parms - (propkeys & parms)
if missing and missing != parms:
fmt = N_("%s parameter(s) were specified but not all. "
"Missing parameters are: %r")
self.addError("video-params-not-specified", fmt, kind,
list(missing))
def do_check(self):
propkeys = python.set(self.config['properties'].keys())
vparms = python.set(self.vparms.keys())
aparms = python.set(self.aparms.keys())
for kind, parms in ('Video', vparms), ('Audio', aparms):
missing = parms - (propkeys & parms)
if missing and missing != parms:
fmt = N_("%s parameter(s) were specified but not all. "
"Missing parameters are: %r")
self.addError("video-params-not-specified", fmt, kind,
list(missing))
def checkElements(self, workerName, *elementNames):
"""Check if the given list of GStreamer elements exist on the
given worker.
@param workerName: name of the worker to check on
@type workerName: string
@param elementNames: names of the elements to check
@type elementNames: list of strings
@returns: a deferred returning a tuple of the missing elements
@rtype: L{twisted.internet.defer.Deferred}
"""
if not self._adminModel:
self.debug('No admin connected, not checking presence of elements')
return
asked = python.set(elementNames)
def _checkElementsCallback(existing, workerName):
existing = python.set(existing)
self.taskFinished()
return tuple(asked.difference(existing))
self.waitForTask('check elements %r' % (elementNames, ))
d = self._adminModel.checkElements(workerName, elementNames)
d.addCallback(_checkElementsCallback, workerName)
return d
def checkElements(self, workerName, *elementNames):
"""Check if the given list of GStreamer elements exist on the
given worker.
@param workerName: name of the worker to check on
@type workerName: string
@param elementNames: names of the elements to check
@type elementNames: list of strings
@returns: a deferred returning a tuple of the missing elements
@rtype: L{twisted.internet.defer.Deferred}
"""
if not self._adminModel:
self.debug('No admin connected, not checking presence of elements')
return
asked = python.set(elementNames)
def _checkElementsCallback(existing, workerName):
existing = python.set(existing)
self.taskFinished()
return tuple(asked.difference(existing))
self.waitForTask('check elements %r' % (elementNames, ))
d = self._adminModel.checkElements(workerName, elementNames)
d.addCallback(_checkElementsCallback, workerName)
return d
def modify(self, request):
if self._argument in request.args:
if self._triggers & python.set(request.args[self._argument]):
filename = os.path.basename(urllib.unquote_plus(request.path))
filename = filename.encode('UTF-8')
filename = urllib.quote(filename)
header = "attachment; filename*=utf-8''%s" % filename
request.setHeader('Content-Disposition', header)
def checkAttributes(self, node, required=None, optional=None):
"""
Checks that a given XML node has all of the required attributes,
and no unknown attributes. Raises fxml.ParserError if unknown
or missing attributes are detected. An empty attribute (e.g.
'foo=""') is treated as a missing attribute.
@param node: An XML DOM node.
@type node: L{xml.dom.Node}
@param required: Set of required attributes, or None.
@type required: Sequence (list, tuple, ...) of strings.
@param optional: Set of optional attributes, or None.
@type optional: Sequence (list, tuple, ...) of strings.
"""
attrs = python.set([k for k in node.attributes.keys() if node.getAttribute(k)])
required = python.set(required or ())
optional = python.set(optional or ())
for x in attrs - required.union(optional):
raise self.parserError("Unknown attribute in <%s>: %s" % (node.nodeName, x))
for x in required - attrs:
raise self.parserError("Missing attribute in <%s>: %s" % (node.nodeName, x))
def checkAttributes(self, node, required=None, optional=None):
"""
Checks that a given XML node has all of the required attributes,
and no unknown attributes. Raises fxml.ParserError if unknown
or missing attributes are detected. An empty attribute (e.g.
'foo=""') is treated as a missing attribute.
@param node: An XML DOM node.
@type node: L{xml.dom.Node}
@param required: Set of required attributes, or None.
@type required: Sequence (list, tuple, ...) of strings.
@param optional: Set of optional attributes, or None.
@type optional: Sequence (list, tuple, ...) of strings.
"""
attrs = python.set(
[k for k in node.attributes.keys() if node.getAttribute(k)])
required = python.set(required or ())
optional = python.set(optional or ())
for x in attrs - required.union(optional):
raise self.parserError("Unknown attribute in <%s>: %s" %
(node.nodeName, x))
for x in required - attrs:
raise self.parserError("Missing attribute in <%s>: %s" %
(node.nodeName, x))
def _checkElementsCallback(existing, workerName):
existing = python.set(existing)
self.taskFinished()
return tuple(asked.difference(existing))
def start(self, component):
properties = self.args['properties']
self._argument = properties['argument-name']
self._triggers = python.set(properties.get('trigger-value', ['1']))
self.log("Argument name: %s", self._argument)
self.log("Trigger values: %s", self._triggers)
def _checkElementsCallback(existing, workerName):
existing = python.set(existing)
self.taskFinished()
return tuple(asked.difference(existing))
