new script for dumping out children goid

scripts/dumping/curation/dump_children_for_go.py

@@ -0,0 +1,54 @@
+import sys
+from src.models import Go, GoRelation
+from scripts.loading.database_session import get_session
+
+__author__ = 'sweng66'
+
+def dump_data(goid):
+
+    nex_session = get_session()
+
+    go_id_to_go = dict([(x.go_id, (x.goid, x.display_name)) for x in nex_session.query(Go).all()])
+
+    goObj = nex_session.query(Go).filter_by(goid=goid).one_or_none()
+
+    if goObj is None:
+        print "The goid:", goid, " is not in the database."
+        return
+
+    go_id = goObj.go_id
+
+    parent_to_children = {}
+    for x in nex_session.query(GoRelation).all():
+        children = []
+        if x.parent_id in parent_to_children:
+            children = parent_to_children[x.parent_id]
+        children.append(x.child_id)
+        parent_to_children[x.parent_id] = children
+
+    output_children(go_id, parent_to_children, go_id_to_go)
+
+    nex_session.close()
+
+
+def output_children(go_id, parent_to_children, go_id_to_go):
+    if go_id not in parent_to_children:
+        return
+    for this_go_id in parent_to_children[go_id]:
+        (goid, term) = go_id_to_go[this_go_id]
+        print goid + "\t" + term
+        output_children(this_go_id, parent_to_children, go_id_to_go)
+
+if __name__ == '__main__':
+
+    if len(sys.argv) >= 2:
+        goid = sys.argv[1]
+        dump_data(goid)
+    else:
+        print "Usage:         python dump_children_for_go.py goid"
+        print "Usage example: python dump_children_for_go.py GO:0002057"
+        exit()
+
+
+
+