Merge pull request #16 from SylvainGuilbaud/embedded-python

Embedded python

Author: evshvarov

src/dc/sample/ObjectScript.cls

@@ -25,7 +25,7 @@ ClassMethod ObjectScript() As %Status
     set a=42 
     write "Hello World! from ",$CLASSMETHOD("dc.sample.ObjectScript","%ClassName",1)," in ObjectScript language",!
     write "This is InterSystems IRIS with version ",$zv,!
-    write "Current time is: "_$zdt($now(),2,,6),!
+    write "Current time is: "_$zdt($now(),3,,6),!
     return a
 }
 
@@ -35,9 +35,8 @@ import iris
 from datetime import datetime
 a=42 
 print("Hello World! from",iris.cls('dc.sample.ObjectScript')._ClassName(1),"in Python language")
-print("This is InterSystems IRIS with version",iris.cls('%SYSTEM.Version').GetVersion())
-now = datetime.now()
-print("Current time is:",now)
+print("This is InterSystems IRIS with version",iris.system.Version.GetVersion())
+print("Current time is:",datetime.now())
 return a
 }
 

src/dc/sample/PersistentClass.cls

@@ -4,25 +4,89 @@ Class dc.sample.PersistentClass Extends %Persistent
 Property Test As %VarString;
 
 ClassMethod CreateRecord(ByRef id As %Integer) As %Status
+{
+    set sc=$$$OK
+    Try {
+        write "from Python       : "
+        set builtins = ##class(%SYS.Python).Import("builtins")
+        set id = builtins.list()
+        set sc = ..CreateRecordPython(id)
+        write id."__getitem__"(0)," successfully created with CreateRecordPython",!
+        write "from ObjectScript : "
+        set sc = ..CreateRecordObjesctScript(.id)   
+        write id," successfully created with CreateRecordObjesctScript",!
+    }
+    Catch ex {
+        Set tSC=ex.AsStatus()
+    }
+  
+    return sc
+}
+
+ClassMethod CreateRecordObjesctScript(ByRef id As %Integer) As %Status
 {
     set sc=$$$OK
     set objPC=..%New()
-    set objPC.Test="Test string"
+    set objPC.Test="Test string from CreateRecordObjectScript() "_$zdt($now(),3,,6)
     set sc=objPC.%Save()
     set id=objPC.%Id()
     return sc
 }
 
-/// opens the record by id and reads its property
+ClassMethod CreateRecordPython(id) As %Status [ Language = python ]
+{
+import iris
+from datetime import datetime
+
+objPC=iris.cls('dc.sample.PersistentClass')._New()
+objPC.Test="Test string from CreateRecordPython() "+str(datetime.now())
+sc=objPC._Save()
+id.append(objPC._Id())
+return sc
+}
+
 ClassMethod ReadProperty(id As %Integer) As %Status
+{
+
+    Set sc = $$$OK
+    Try {
+        write "from Python       : "
+        set sc = ..ReadPropertyPython(id)
+        write "from ObjectScript : "
+        set sc = ..ReadPropertyObjectScript(id)    
+    }
+    Catch ex {
+        Set tSC=ex.AsStatus()
+    }
+    Return sc
+}
+
+/// opens the record by id and reads its property
+ClassMethod ReadPropertyObjectScript(id As %Integer) As %Status
 {
     Set sc = $$$OK
     #dim obj as dc.sample.PersistentClass
-    set obj=..%OpenId(id,,.sc)
-    if $ISOBJECT(obj) write obj.Test
+    if ..%ExistsId(id) { 
+        set obj=..%OpenId(id,,.sc)
+        if $ISOBJECT(obj) write obj.Test,!
+    } else {
+        write id," is not an existing ID in dc.sample.PersistentClass",!
+    }
     Return sc
 }
 
+ClassMethod ReadPropertyPython(id As %Integer) As %Status [ Language = python ]
+{
+import iris
+sc=1
+if iris.cls('dc.sample.PersistentClass')._ExistsId(id):
+    obj=iris.cls('dc.sample.PersistentClass')._OpenId(id)
+    print(obj.Test)
+else:
+ print(id,'is not an existing ID in dc.sample.PersistentClass')
+return sc
+}
+
 Storage Default
 {
 <Data name="PersistentClassDefaultData">

tests/dc/sample/unittests/TestPersistentClass.cls

@@ -8,7 +8,7 @@ Method TestCreateRecord()
 	do $$$AssertStatusOK(status,"CreateRecord")
 	set obj=##class(dc.sample.PersistentClass).%OpenId(id)
     if $IsObject(obj) {
-        set tResults=obj.Test}
+        set tResults=$extract(obj.Test,1,$LENGTH(tExpected))}
     else {set tResults="There is no such record with id="_id}
     Do $$$AssertEquals(tResults,tExpected,tExpected_" = "_tResults)
 }