class FileInputNode(InputNode):
label = _(u"File")
description = _(u"Read the content of a file")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.filepath = InterfaceValue(self,
'filepath',
default='',
type=Interface.PARAMETER,
slot=False,
doc="file to read")
self.output = InterfaceStream(self,
'output',
default='EOF',
type=Interface.OUTPUT,
doc="file content")
def run(self):
# Read file content and pass to output interface
if empty(self.filepath.value):
raise FlowError(_("Filepath empty, cannot read file."))
self.info(_("Read content of file '%s'") % self.filepath.value)
f = open(self.filepath.value, 'rb')
for line in f:
self.output.write(line)
self.output.flush()
f.close()
def __init__(self, *args, **kwargs):
super(ShellProcessNode, self).__init__(*args, **kwargs)
self.stdin = InterfaceStream(self,
'stdin',
default='EOF',
type=Interface.INPUT,
doc="standard input")
self.stdout = InterfaceStream(self,
'stdout',
default='EOF',
type=Interface.OUTPUT,
doc="standard output")
self.stderr = InterfaceStream(self,
'stderr',
default='EOF',
type=Interface.OUTPUT,
doc="standard error output")
self.command = InterfaceValue(self,
'cmd',
default='',
type=Interface.PARAMETER,
slot=False,
doc="command to run")
self.result = InterfaceValue(self,
'result',
default=0,
type=Interface.RESULT,
doc="execution code return")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.output = InterfaceStream(self,
'output',
default='EOF',
type=Interface.OUTPUT,
doc="standard input content")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.filepath = InterfaceValue(self,
'filepath',
default='',
type=Interface.PARAMETER,
slot=False,
doc="file to read")
self.output = InterfaceStream(self,
'output',
default='EOF',
type=Interface.OUTPUT,
doc="file content")
class CommandLineStdinInputNode(InputNode):
label = _(u"CLI Stdin")
description = _(u"Read the Command-Line Interface standard input")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.output = InterfaceStream(self,
'output',
default='EOF',
type=Interface.OUTPUT,
doc="standard input content")
def run(self):
for line in sys.stdin:
self.output.write(line)
self.output.flush()
def __init__(self, *args, **kwargs):
OutputNode.__init__(self, *args, **kwargs)
self.outstream = sys.stdout
self.input = InterfaceStream(self,
'input',
default='EOF',
type=Interface.INPUT,
doc="standard output")
class FileInputNode(InputNode):
label = _(u"File")
description = _(u"Read the content of a file")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.filepath = InterfaceValue(self, 'filepath', default='', type=Interface.PARAMETER, slot=False, doc="file to read")
self.output = InterfaceStream(self, 'output', default='EOF', type=Interface.OUTPUT, doc="file content")
def run(self):
# Read file content and pass to output interface
if empty(self.filepath.value):
raise FlowError(_("Filepath empty, cannot read file."))
self.info(_("Read content of file '%s'") % self.filepath.value)
f = open(self.filepath.value, 'rb')
for line in f:
self.output.write(line)
self.output.flush()
f.close()
def __init__(self, *args, **kwargs):
OutputNode.__init__(self, *args, **kwargs)
self.filepath = InterfaceValue(self,
'filepath',
default='',
type=Interface.PARAMETER,
slot=False,
doc="file to write")
self.input = InterfaceStream(self,
'input',
default='EOF',
type=Interface.INPUT,
doc="input to write")
def __init__(self, *args, **kwargs):
InputNode.__init__(self, *args, **kwargs)
self.filepath = InterfaceValue(self, 'filepath', default='', type=Interface.PARAMETER, slot=False, doc="file to read")
self.output = InterfaceStream(self, 'output', default='EOF', type=Interface.OUTPUT, doc="file content")
