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#!/usr/bin/env python
############################################################################
##
## Copyright (C) 2006-2008 University of Utah. All rights reserved.
##
## This file is part of VisTrails.
##
## This file may be used under the terms of the GNU General Public
## License version 2.0 as published by the Free Software Foundation
## and appearing in the file LICENSE.GPL included in the packaging of
## this file. Please review the following to ensure GNU General Public
## Licensing requirements will be met:
## http://www.opensource.org/licenses/gpl-license.php
##
## If you are unsure which license is appropriate for your use (for
## instance, you are interested in developing a commercial derivative
## of VisTrails), please contact us at contact@vistrails.org.
##
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
############################################################################
def convert_to_vt_type(t):
vt_type_dict = {'str':'core.modules.basic_modules.String',
'float': 'core.modules.basic_modules.Float',
'int':'core.modules.basic_modules.Integer',
'bool':'core.modules.basic_modules.Boolean',
#'numpy.ndarray':'reg.get_module_by_name("edu.utah.sci.vistrails.numpyscipy", "Numpy Array", namespace="numpy|array")',
}
if vt_type_dict.has_key(t):
return vt_type_dict[t]
else:
print "Type %s not found!" % t
return None
do_not_cache_me = ['png','plot','isofill','isoline','boxfill']
class CDATModule:
_extra_modules = []
_extra_vistrails_modules = {}
def __init__(self, author=None, language=None, type=None, url=None,
codepath=None, version=None, actions=None):
self._author = author
self._language = language
self._type = type
self._url = url
self._codepath = codepath
self._version = version
self._actions = actions
(self._namespace, self._name) = self.split(codepath)
@staticmethod
def split(codepath):
dot = codepath.rfind('.')
if dot != -1:
name = codepath[dot+1:]
data = codepath[:dot]
namespace = data.replace('.','|')
else:
name = codepath
namespace = codepath
return (namespace,name)
def write_extra_module_definition(self, lines, name):
lines.append("%s = new_module(Module,'%s')\n"%(name,name))
@staticmethod
def write_extra_module_definitions_init(lines):
lines.append("vt_type_dict = {}\n")
lines.append("def get_late_type(type):\n")
lines.append(" return vt_type_dict[type]\n\n")
@staticmethod
def write_extra_module_definitions(lines):
for t in CDATModule._extra_modules:
namespace,name = CDATModule.split(t)
lines.append("%s = new_module(Module,'%s')\n"%(name,name))
lines.append("vt_type_dict['%s'] = %s\n"%(t,name))
CDATModule._extra_vistrails_modules[name] = namespace
lines.append("\n\n")
@staticmethod
def register_extra_vistrails_modules(lines, ident=''):
for (name,namespace) in CDATModule._extra_vistrails_modules.iteritems():
lines.append(ident + " reg.add_module(%s,namespace='%s')\n"%(name,
namespace))
def register_extra_vistrails_module(self, lines, name, ident=''):
lines.append(ident + " reg.add_module(%s,namespace='%s')\n"%(name,
self._namespace))
def write_module_definitions(self, lines):
for a in self._actions:
a.write_module_definition(lines)
def register_vistrails_modules(self, lines):
for a in self._actions:
a.register_itself(lines,self._namespace)
def build_vistrails_modules_dict(self):
for a in self._actions:
types = a.check_output_types()
for t in types:
if t not in CDATModule._extra_modules:
CDATModule._extra_modules.append(t)
def add_extra_input_port_to_all_modules(self, lines, port_name, port_type,
doc, optional = False):
lines.append("\n #extra input ports not available in the xml file\n")
for a in self._actions:
a.register_extra_input_port(port_name, port_type, lines, doc,
optional)
def add_extra_output_port_to_all_modules(self, lines, port_name, port_type,
doc, optional = False):
lines.append("\n #extra output ports not available in the xml file\n")
for a in self._actions:
a.register_extra_output_port(port_name, port_type, lines, doc,
optional)
class CDATAction:
def __init__(self, name=None, type=None, options=None, inputs=None,
outputs=None, doc=None):
self._name = name
self._type = type
self._options = options
self._inputs = inputs
self._outputs = outputs
self._doc = doc
def write_module_definition(self, lines, ident='', compute_method=None):
def write_compute_method(self,lines, ident):
lines.append(ident + "def compute(self):\n")
lines.append(ident + " if self.hasInputFromPort('canvas'):\n")
lines.append(ident + " canvas = self.getInputFromPort('canvas')\n")
lines.append(ident + " else:\n")
lines.append(ident + " canvas = vcs.init()\n")
lines.append(ident + " args = []\n")
for inp in self._inputs:
lines.append(ident + " %s = None\n"%inp._name)
for inst in inp._valid_instances:
if inp._valid_instances.index(inst) == 0:
lines.append(ident + " if self.hasInputFromPort('%s'):\n" % inst)
lines.append(ident + " %s = self.getInputFromPort('%s')\n" % (inp._name, inst))
lines.append(ident + " args.append(%s)\n"%inp._name)
else:
lines.append(ident + " elif self.hasInputFromPort('%s'):\n" % inst)
lines.append(ident + " %s = self.getInputFromPort('%s')\n" % (inp._name, inst))
lines.append(ident + " args.append(%s)\n"%inp._name)
if inp._required:
lines.append("\n"+ ident +" # %s is a required port\n" % inp._name)
lines.append(ident + " if %s == None:\n" % inp._name)
lines.append(ident + " raise ModuleError(self, \"'%s' is a mandatory port\")\n" % inp._name)
lines.append("\n"+ident +" # build up the keyword arguments from the optional inputs.\n")
lines.append(ident +" kwargs = {}\n")
for opt in self._options:
for inst in opt._valid_instances:
if opt._valid_instances.index(inst) == 0:
lines.append(ident +" if self.hasInputFromPort('%s'):\n" % inst)
lines.append(ident +" kwargs['%s'] = self.getInputFromPort('%s')\n" % (opt._name, inst))
else:
lines.append(ident +" elif self.hasInputFromPort('%s'):\n" % inst)
lines.append(ident +" kwargs['%s'] = self.getInputFromPort('%s')\n" % (opt._name, inst))
lines.append(ident + " #force images to be created in the background\n")
lines.append(ident + " kwargs['bg'] = 1\n")
lines.append(ident + " res = canvas.%s(*args,**kwargs)\n"%self._name)
lines.append(ident + " self.setResult('%s',res)\n"%(self._outputs[0]._name))
lines.append(ident + " self.setResult('canvas',canvas)\n")
lines.append("\n")
if self._name in do_not_cache_me:
lines.append(ident + "class %s(Module,NotCacheable):\n" % self._name)
else:
lines.append(ident + "class %s(Module):\n" % self._name)
lines.append(ident + ' """%s\n'%self._doc)
lines.append(ident + ' """\n')
if not compute_method:
write_compute_method(self,lines,ident=" ")
else:
lines.extend(compute_method)
def register_itself(self,lines, namespace):
lines.append("\n #Module %s\n" % self._name)
lines.append(" reg.add_module(%s,namespace='%s')\n" % (self._name,namespace))
for inp in self._inputs:
inp.write_input_ports(self._name, lines)
for opt in self._options:
opt.write_input_ports(self._name, lines, True, force=False)
for out in self._outputs:
out.write_output_ports(self._name, lines, force=True)
def check_output_types(self):
types = []
for out in self._outputs:
if out._instance[0] not in types:
types.append(out._instance[0])
return types
def register_extra_input_port(self, port_name, port_type, lines, doc,
optional=False):
self._write_port('input', port_name, port_type, lines, doc, optional)
def register_extra_output_port(self, port_name, port_type, lines, doc,
optional=False):
self._write_port('output', port_name, port_type, lines, doc, optional)
#private methods
def _write_port(self, io_type, port_name, port_type,
lines, doc, optional=False):
lines.append(" reg.add_%s_port(%s, '%s', \n" % (io_type,
self._name,
port_name))
lines.append(" ")
lines.append("(%s,\n" % port_type)
lines.append(" ")
if not optional:
lines.append("\"%s\"))\n" % doc)
else:
lines.append("\"%s\"), True)\n" % doc)
class CDATItem:
def __init__(self, tag=None, doc=None, instance=None, required=False):
self._name = tag
self._doc = doc
self._instance = [i.strip(" \t\n") for i in instance.split('/')]
self._valid_instances = []
if required == None:
self._required = False
else:
self._required = required
def write_input_ports(self, module_name, lines, optional=False, force=False):
self._write_ports('input',module_name, lines, optional, force)
def write_output_ports(self, module_name, lines, optional=False, force=False):
self._write_ports('output',module_name, lines, optional, force)
def _write_ports(self, port_type, module_name, lines, optional=False,
force=False):
if len(self._instance) == 1:
type = convert_to_vt_type(self._instance[0])
if type == None and self._instance[0] in CDATModule._extra_modules:
force = True
if force and type == None:
type = "get_late_type('%s')"%self._instance[0]
if type != None:
self._valid_instances.append(self._name)
lines.append(" reg.add_%s_port(%s, '%s', \n" % (port_type,
module_name,
self._name))
lines.append(" ")
lines.append("(%s,\n" % type)
lines.append(" ")
if not optional:
lines.append("\"%s\"))\n" % self._doc)
else:
lines.append("\"%s\"), True)\n" % self._doc)
else:
count = 0
for i in xrange(len(self._instance)):
type = convert_to_vt_type(self._instance[i])
new_force = force
if type == None and self._instance[i] in CDATModule._extra_modules:
new_force = True
if new_force and type == None:
type = "get_late_type('%s')"%self._instance[i]
if type != None:
name = "%s_%s"%(self._name,count)
self._valid_instances.append(name)
count += 1
lines.append(" reg.add_input_port(%s, '%s', \n" % (module_name,
name))
lines.append(" ")
lines.append("(%s,\n" % type)
lines.append(" ")
if not optional:
lines.append("\"%s\"))\n" % self._doc)
else:
lines.append("\"%s\"), True)\n" % self._doc)
class CDATOption(CDATItem):
def __init__(self, tag=None, default=None, doc=None, instance=None):
CDATItem.__init__(self, tag, doc, instance, False)
self._default = default
class CDATPort(CDATItem):
def __init__(self, tag=None, doc=None, instance=None, position=None, required=False):
CDATItem.__init__(self, tag, doc, instance, required)
self._position = position
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