From 53758e972d01fc912801c4085ea39339e391c352 Mon Sep 17 00:00:00 2001
From: prascle <prascle>
Date: Wed, 26 Jan 2005 12:17:41 +0000
Subject: [PATCH] PR: behavior improvment outside GUI, some comments added

---
 src/SALOME_SWIG_WITHOUTIHM/salome.py        | 27 +++++++++++++++++----
 src/SALOME_SWIG_WITHOUTIHM/salome_iapp.py   |  2 +-
 src/SALOME_SWIG_WITHOUTIHM/salome_kernel.py |  4 +--
 src/SALOME_SWIG_WITHOUTIHM/salome_study.py  | 26 ++++++++++++++++----
 4 files changed, 46 insertions(+), 13 deletions(-)

diff --git a/src/SALOME_SWIG_WITHOUTIHM/salome.py b/src/SALOME_SWIG_WITHOUTIHM/salome.py
index 5591226dd..e8d5d5bac 100755
--- a/src/SALOME_SWIG_WITHOUTIHM/salome.py
+++ b/src/SALOME_SWIG_WITHOUTIHM/salome.py
@@ -29,7 +29,27 @@ from salome_study import *
 from salome_iapp import *
 
 salome_initial=1
-def salome_init():
+def salome_init(theStudyId=0):
+    """
+    Performs only once SALOME general purpose intialisation for scripts.
+    optional argument : theStudyId
+      When in embedded interpreter inside IAPP, theStudyId is not used
+      When used without GUI (external interpreter)
+        0      : create a new study (default).
+        n (>0) : try connection to study with Id = n, or create a new one
+                 if study not found.
+                 If study creation, its Id may be different from theStudyId !
+    Provides:
+    orb             reference to CORBA
+    lcc             a LifeCycleCorba instance
+    naming_service  a naming service instance
+    cm              reference to the container manager
+    sg              access to SALOME GUI (when linked with IAPP GUI)
+    myStudyManager  the study manager
+    myStudyId       active study identifier
+    myStudy         active study itself (CORBA reference)
+    myStudyName     active study name
+    """
     global salome_initial
     global orb, lcc, naming_service, cm
     global sg
@@ -38,9 +58,6 @@ def salome_init():
     if salome_initial:
         salome_initial=0
         sg = salome_iapp_init()
-        if not sg.hasDesktop():
-            print "import salome_shared_modules once"
-            import salome_shared_modules
         orb, lcc, naming_service, cm = salome_kernel_init()
-        myStudyManager, myStudyId, myStudy, myStudyName =salome_study_init()
+        myStudyManager, myStudyId, myStudy, myStudyName =salome_study_init(theStudyId)
 
diff --git a/src/SALOME_SWIG_WITHOUTIHM/salome_iapp.py b/src/SALOME_SWIG_WITHOUTIHM/salome_iapp.py
index 519714a08..befa0d075 100644
--- a/src/SALOME_SWIG_WITHOUTIHM/salome_iapp.py
+++ b/src/SALOME_SWIG_WITHOUTIHM/salome_iapp.py
@@ -68,7 +68,7 @@ def salome_iapp_init():
     if salome_iapp_initial:
         salome_iapp_initial=0
         
-        # create an SALOMEGUI_Swig instance
+        # create a SALOMEGUI_Swig instance
         sg = SalomeGUI()
         IN_SALOME_GUI=sg.hasDesktop()
     return sg
diff --git a/src/SALOME_SWIG_WITHOUTIHM/salome_kernel.py b/src/SALOME_SWIG_WITHOUTIHM/salome_kernel.py
index 93be05fb1..40fe9e124 100644
--- a/src/SALOME_SWIG_WITHOUTIHM/salome_kernel.py
+++ b/src/SALOME_SWIG_WITHOUTIHM/salome_kernel.py
@@ -42,10 +42,10 @@ def salome_kernel_init():
         # initialise the ORB
         orb = CORBA.ORB_init([''], CORBA.ORB_ID)
 
-        # create an LifeCycleCORBA instance
+        # create a LifeCycleCORBA instance
         lcc = LifeCycleCORBA(orb)
 
-        #create an naming service instance
+        #create a naming service instance
         naming_service = SALOME_NamingServicePy_i(orb)
 
         # get Container Manager
diff --git a/src/SALOME_SWIG_WITHOUTIHM/salome_study.py b/src/SALOME_SWIG_WITHOUTIHM/salome_study.py
index 3fa7fb12b..cf5b304b9 100644
--- a/src/SALOME_SWIG_WITHOUTIHM/salome_study.py
+++ b/src/SALOME_SWIG_WITHOUTIHM/salome_study.py
@@ -104,7 +104,7 @@ def IDToSObject(id):
 
 salome_study_ID = -1
 
-def getActiveStudy():
+def getActiveStudy(theStudyId=0):
     global salome_study_ID
     
     print "getActiveStudy"
@@ -115,8 +115,14 @@ def getActiveStudy():
             salome_study_ID = sg.getActiveStudyId()
         else:
             print "---outside gui"
-            salome_study_ID = createNewStudy()
-            print"---", salome_study_ID
+            if theStudyId:
+                aStudy=myStudyManager.GetStudyByID(theStudyId)
+                if aStudy:
+                    print "connection to existing study ", theStudyId
+                    salome_study_ID = theStudyId
+            if salome_study_ID == -1:
+                salome_study_ID = createNewStudy()
+            print"--- Study Id ", salome_study_ID
     return salome_study_ID
     
     #--------------------------------------------------------------------------
@@ -144,7 +150,17 @@ def createNewStudy():
 
 salome_study_initial = 1
 
-def salome_study_init():
+def salome_study_init(theStudyId=0):
+    """
+    Performs only once study creation or connection.
+    optional argument : theStudyId
+      When in embedded interpreter inside IAPP, theStudyId is not used
+      When used without GUI (external interpreter)
+        0      : create a new study (default).
+        n (>0) : try connection to study with Id = n, or create a new one
+                 if study not found.
+    """
+    
     global salome_study_initial
     global myStudyManager, myStudyId, myStudy, myStudyName
     global orb, lcc, naming_service, cm
@@ -161,7 +177,7 @@ def salome_study_init():
         print "studyManager found"
 
         # get active study Id, ref and name
-        myStudyId = getActiveStudy()
+        myStudyId = getActiveStudy(theStudyId)
         print "myStudyId",myStudyId
         myStudy = myStudyManager.GetStudyByID(myStudyId)
         myStudyName = myStudy._get_Name()
-- 
2.39.2