--- /dev/null
+#!/usr/bin/env python
+# -*- coding: utf-8 *-
+# Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
+#
+# Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+# CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+#
+import ast
+
+class FunctionProperties:
+ def __init__(self, function_name):
+ self.name = function_name
+ self.inputs=[]
+ self.outputs=None
+ self.errors=[]
+ self.imports=[]
+ pass
+ def __str__(self):
+ result = "Function:" + self.name + "\n"
+ result+= " Inputs:" + str(self.inputs) + "\n"
+ result+= " Outputs:"+ str(self.outputs) + "\n"
+ result+= " Errors:" + str(self.errors) + "\n"
+ result+= " Imports:"+ str(self.imports) + "\n"
+ return result
+
+class v(ast.NodeVisitor):
+ def visit_Module(self, node):
+ #print type(node).__name__, ":"
+ accepted_tokens = ["Import", "ImportFrom", "FunctionDef", "ClassDef"]
+ #print "module body:"
+ self.global_errors=[]
+ for e in node.body:
+ type_name = type(e).__name__
+ if type_name not in accepted_tokens:
+ error="py2yacs error at line %s: not accepted statement '%s'." % (
+ e.lineno, type_name)
+ self.global_errors.append(error)
+ #print type_name
+ #print "------------------------------------------------------------------"
+ self.functions=[]
+ self.lastfn=""
+ self.infunc=False
+ self.inargs=False
+ self.generic_visit(node)
+ pass
+ def visit_FunctionDef(self, node):
+ #print type(node).__name__, ":", node.name
+ if not self.infunc:
+ self.lastfn = FunctionProperties(node.name)
+ self.functions.append(self.lastfn)
+ self.infunc=True
+ #
+ self.generic_visit(node)
+ #
+ self.lastfn = None
+ self.infunc=False
+ pass
+ def visit_arguments(self, node):
+ #print type(node).__name__, ":"
+ self.inargs=True
+ self.generic_visit(node)
+ self.inargs=False
+ pass
+ def visit_Name(self, node):
+ if self.inargs :
+ #print type(node).__name__, ":", node.id
+ self.lastname=node.id
+ self.generic_visit(node)
+ pass
+ def visit_Param(self, node):
+ #print type(node).__name__, ":", self.lastname
+ self.lastfn.inputs.append(self.lastname)
+ pass
+ def visit_Return(self, node):
+ #print type(node).__name__, ":", node.value
+ if self.lastfn.outputs is not None :
+ error="py2yacs error at line %s: multiple returns." % node.lineno
+ self.lastfn.errors.append(error)
+ return
+ self.lastfn.outputs = []
+ if node.value is None :
+ pass
+ elif 'Tuple' == type(node.value).__name__ :
+ for e in node.value.elts:
+ if 'Name' == type(e).__name__ :
+ self.lastfn.outputs.append(e.id)
+ else :
+ error="py2yacs error at line %s: invalid type returned '%s'." % (
+ node.lineno, type(e).__name__)
+ self.lastfn.errors.append(error)
+ else:
+ if 'Name' == type(node.value).__name__ :
+ self.lastfn.outputs.append(node.value.id)
+ else :
+ error="py2yacs error at line %s: invalid type returned '%s'." %(
+ node.lineno, type(node.value).__name__)
+ self.lastfn.errors.append(error)
+ pass
+ pass
+ pass
+
+ def visit_ClassDef(self, node):
+ # just ignore classes
+ pass
+
+ def visit_Import(self, node):
+ if self.infunc:
+ for n in node.names:
+ self.lastfn.imports.append(n.name)
+ def visit_ImportFrom(self, node):
+ if self.infunc:
+ m=node.module
+ for n in node.names:
+ self.lastfn.imports.append(m+"."+n.name)
+
+class vtest(ast.NodeVisitor):
+ def generic_visit(self, node):
+ #print type(node).__name__
+ ast.NodeVisitor.generic_visit(self, node)
+
+def create_yacs_schema(text, fn_name, fn_args, fn_returns, file_name):
+ import pilot
+ import SALOMERuntime
+ #import loader
+ SALOMERuntime.RuntimeSALOME_setRuntime()
+ runtime = pilot.getRuntime()
+ schema = runtime.createProc("schema")
+ node = runtime.createFuncNode("", "default_name")
+ schema.edAddChild(node)
+ fncall = "\n%s=%s(%s)\n"%(",".join(fn_returns),
+ fn_name,
+ ",".join(fn_args))
+ node.setScript(text+fncall)
+ node.setFname(fn_name)
+ td=schema.getTypeCode("double")
+ for p in fn_args:
+ node.edAddInputPort(p, td)
+ for p in fn_returns:
+ node.edAddOutputPort(p, td)
+ schema.saveSchema(file_name)
+
+def get_properties(text_file):
+ bt=ast.parse(text_file)
+ w=v()
+ w.visit(bt)
+ return w.functions, w.global_errors
+
+if __name__ == '__main__':
+ import argparse
+ parser = argparse.ArgumentParser(description="Generate a YACS schema from a python file containing a function to run.")
+ parser.add_argument("file", help='Path to the python file')
+ parser.add_argument("-o","--output",
+ help='Path to the output file (yacs_schema.xml by default)',
+ default='yacs_schema.xml')
+ parser.add_argument("-d","--def_name",
+ help='Name of the function to call in the yacs node (_exec by default)',
+ default='_exec')
+ args = parser.parse_args()
+ with open(args.file, 'r') as f:
+ text_file = f.read()
+ #bt=ast.parse(text_file)
+ #w=vtest()
+ #w=v()
+ #w.visit(bt)
+ #print "global errors:", w.global_errors
+ #for f in w.functions:
+ # print f
+
+ fn_name = args.def_name
+ functions,errors = get_properties(text_file)
+ print "global errors:", errors
+ for f in functions:
+ print f
+
+ fn_properties = next((f for f in functions if f.name == fn_name), None)
+ if fn_properties is not None :
+ if not fn_properties.errors :
+ create_yacs_schema(text_file, fn_name,
+ fn_properties.inputs, fn_properties.outputs,
+ args.output)
+ else:
+ print "\n".join(fn_properties.errors)
+ else:
+ print "Function not found:", fn_name
+
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