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"""This plugin provides base class for custom output parser.
Parsers are organized in chain. Output of one parser is passed as input
to next one. Chain of parser could be attached to a build target.
An example:
import GPS, tool_output
class PopupParser(tool_output.OutputParser):
def on_stdout(self,text,command):
# This call accepts all output during target build.
# text - piece of output of target's build.
# command - GPS.Command caused build to execute.
GPS.MDI.dialog (text)
if self.child != None:
self.child.on_stdout (text,command)
def on_exit(self,status,command):
# This is called after build competed.
# Then each output parser is destroyed.
# status - integer status of execution.
# command - GPS.Command caused build to execute.
GPS.MDI.dialog ("Build complete!")
if self.child != None:
self.child.on_exit (status,command)
To add custom parser to a target insert next line to target description:
<output-parsers>[default] popupparser</output-parsers>
</target>
"""
#############################################################################
# No user customization below this line
#############################################################################
import six
class OutputParserMetaClass(type):
registered = dict() # list of registered parsers
def __new__(cls, name, bases, attrs):
new_class = type.__new__(cls, name, bases, attrs)
OutputParserMetaClass.registered[new_class.get_name()] = new_class
return new_class
def get_name(self):
"""Return the name of the parser, either from a "name" class
attribute, or from the class name
"""
return getattr(self, 'name', self.__name__).lower()
@six.add_metaclass (OutputParserMetaClass)
class OutputParser(object):
def __init__(self, child):
self.child = child
def on_stdout(self, text, command):
if self.child is not None:
self.child.on_stdout(text, command)
def on_stderr(self, text, command):
if self.child is not None:
self.child.on_stderr(text, command)
def on_exit(self, status, command):
if self.child is not None:
self.child.on_exit(status, command)
def create_parser(name, child=None):
if name in OutputParserMetaClass.registered:
return OutputParserMetaClass.registered[name](child)
else:
return None
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