Changeset 5061cd6 in git for modules/python

Timestamp:

Sep 21, 2005, 9:49:17 AM (19 years ago)

Author:

Michael Brickenstein <bricken@…>

Branches:

(u'fieker-DuVal', '117eb8c30fc9e991c4decca4832b1d19036c4c65')(u'spielwiese', '38dfc5131670d387a89455159ed1e071997eec94')

Children:

535a90f86c2de40dedb322577e7a72036eb78b04

Parents:

f8d3784d894e063faf10053a22ff58e474036840

Message:

*bricken: automatic ring change


git-svn-id: file:///usr/local/Singular/svn/trunk@8636 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• modules/python/interpreter.py (modified) (3 diffs)

modules/python/interpreter.py

@@ -1 +1 @@
 from Singular import *
+def debug_out(s):
+  print s
 #def build_arg_list(*args)
 def list2arg_list(args):
@@ -35 +37 @@
                     proc.print_type()
                     raise Exception
+                prepare_ring(args)
                 l=list2arg_list(args)
-                return call_interpreter_method(proc, l)
+                erg= call_interpreter_method(proc, l)
+                finish_ring()
+                return erg
             try:
                 fun_wrapper.__name__=name
@@ -61 +66 @@
     l=list2arg_list(args)
     return cbm(name,l)
+
+def find_rings(arglist):
+  """FIXME: doesn't handle everything and depth"""
+  for item in arglist:
+    if isinstance(item,polynomial) or isinstance(item,ideal):
+      return [item.ring()]
+  return []
+  
+
+oldrings=[]
+def prepare_ring(arglist):
+  rl=find_rings(arglist)
+  debug_out("rl is" +str(rl))
+  if len(rl)==1:
+    r=rl[0]
+    oldrings.append(ring())
+    r.set()
+  else:
+    if len(rl)==0:
+      oldrings.append(None)
+    else:
+      debug_out("Warning to many rings in call")
+      oldrings.append(None)
+def finish_ring():
+  r=oldrings.pop()
+  if r:
+    r.set()
+