Added support for Powerproject (#1849)

* implemented initial cli and support for resource parsing for ms project

* Added command line interface and resource support for MS Project XML files

* Removed the test code

* Check for output exists before writting the file to avoid failure

* Added support for Asta Powerproject files

src/ifc4d/__main__.py

@@ -0,0 +1,79 @@
+import os
+import sys
+import argparse
+
+from ifc4d.p6xer2ifc import P6XER2Ifc
+from ifc4d.p62ifc import P62Ifc
+from ifc4d.msp2ifc import MSP2Ifc
+from ifc4d.pp2ifc import PP2Ifc
+import ifcopenshell
+
+
+parser  = argparse.ArgumentParser()
+parser .add_argument('-f','--file', action='store', type=str, 
+                        required=True, help="schedule file name to be parsed")
+parser .add_argument('-s','--schedule', action='store', required=True,
+                        type=str, help='file format as xer, p6xml, mspxml, pp')
+parser .add_argument('-i', '--ifcfile', action='store', required=False,
+                        type=str, help='ifc file name as string e.g. \"file.ifc\"')
+parser .add_argument('-o', '--output', action='store', required=True,
+                        type=str, help='ifc file name as string e.g. \"file.ifc\"')
+args = parser .parse_args()
+
+def get_file():
+    ifcfile = None
+    if args.ifcfile:
+        ifcfile = ifcopenshell.open(args.ifcfile)
+    elif args.output:
+        ifc = ifcopenshell.file(schema='IFC4')
+        ifc.create_entity("IfcWorkPlan")
+        ifc.create_entity("IfcContext")
+        ifc.write(args.output)
+        ifcfile = ifcopenshell.open(args.output)
+    else:
+        ifcfile = None
+    return ifcfile
+
+if not args.ifcfile:
+    print("You need to provide an ifc file to add schedule")
+    print("Examples python ifc4d -i model.ifc -s xer -f schedule.xer -o newifc.ifc")
+elif not args.output:
+    print("an output file is required to save changes")
+    print("python ifc4d -o newfile.ifc -s xer -f schedule.xer")
+
+elif args.schedule== "xer":
+    p6xer = P6XER2Ifc()
+    p6xer.xer = args.file
+    p6xer.output = args.output
+    ifcfile = get_file()
+    if ifcfile:
+        p6xer.file = ifcfile
+        p6xer.execute()
+    else: raise Exception("No files provided for output")
+elif args.schedule == "mspxml":
+    msp = MSP2Ifc()
+    msp.xml = args.file()
+    msp.output = args.output
+    ifcfile = get_file()
+    if ifcfile:
+        msp.file = ifcfile
+        msp.execute()
+elif args.schedule == "p6xml":
+    p6xml = P62Ifc()
+    p6xml.output = args.output
+    p6xml.xml = args.file
+    ifcfile = get_file()
+    if ifcfile:
+        p6xml.file = ifcopenshell.open(args.ifcfile)
+        p6xml.execute()
+elif args.schedule == "pp":
+    pp = PP2Ifc()
+    pp.output = args.output
+    pp.pp = args.file
+    ifcfile = get_file()
+    if ifcfile:
+        pp.file = ifcopenshell.open(args.ifcfile)
+        pp.execute()
+else:
+    print("schedule type you selected is not implemented at the moment")
+