remove unccessary code from pdb plugin

--HG--
branch : trunk

py/_plugin/pytest_pdb.py

@@ -2,7 +2,7 @@
 interactive debugging with the Python Debugger.
 """
 import py
-import bdb, pdb, sys, linecache
+import sys
 
 def pytest_addoption(parser):
     group = parser.getgroup("general")
@@ -21,7 +21,7 @@ class PdbInvoke:
     def pytest_runtest_makereport(self, item, call, __multicall__):
         if not call.excinfo or \
             call.excinfo.errisinstance(py.test.skip.Exception) or \
-            call.excinfo.errisinstance(bdb.BdbQuit):
+            call.excinfo.errisinstance(py.std.bdb.BdbQuit):
             return
         rep = __multicall__.execute()
         if "xfail" in rep.keywords:
@@ -35,77 +35,16 @@ class PdbInvoke:
         post_mortem(call.excinfo._excinfo[2])
         return rep
 
-class Pdb(py.std.pdb.Pdb):
-    def do_list(self, arg):
-        self.lastcmd = 'list'
-        last = None
-        if arg:
-            try:
-                x = eval(arg, {}, {})
-                if type(x) == type(()):
-                    first, last = x
-                    first = int(first)
-                    last = int(last)
-                    if last < first:
-                        # Assume it's a count
-                        last = first + last
-                else:
-                    first = max(1, int(x) - 5)
-            except:
-                print ('*** Error in argument: %s' % repr(arg))
-                return
-        elif self.lineno is None:
-            first = max(1, self.curframe.f_lineno - 5)
-        else:
-            first = self.lineno + 1
-        if last is None:
-            last = first + 10
-        filename = self.curframe.f_code.co_filename
-        breaklist = self.get_file_breaks(filename)
-        try:
-            for lineno in range(first, last+1):
-                # start difference from normal do_line
-                line = self._getline(filename, lineno)
-                # end difference from normal do_line
-                if not line:
-                    print ('[EOF]')
-                    break
-                else:
-                    s = repr(lineno).rjust(3)
-                    if len(s) < 4: s = s + ' '
-                    if lineno in breaklist: s = s + 'B'
-                    else: s = s + ' '
-                    if lineno == self.curframe.f_lineno:
-                        s = s + '->'
-                    sys.stdout.write(s + '\t' + line)
-                    self.lineno = lineno
-        except KeyboardInterrupt:
-            pass
-    do_l = do_list
-
-    def _getline(self, filename, lineno):
-        if hasattr(filename, "__source__"):
-            try:
-                return filename.__source__.lines[lineno - 1] + "\n"
-            except IndexError:
-                return None
-        return linecache.getline(filename, lineno)
-
-    def get_stack(self, f, t):
-        # Modified from bdb.py to be able to walk the stack beyond generators,
-        # which does not work in the normal pdb :-(
-        stack, i = pdb.Pdb.get_stack(self, f, t)
-        if f is None:
-            i = max(0, len(stack) - 1)
-            while i and stack[i][0].f_locals.get("__tracebackhide__", False):
-                i-=1
-        return stack, i
-
 def post_mortem(t):
+    pdb = py.std.pdb
+    class Pdb(pdb.Pdb):
+        def get_stack(self, f, t):
+            stack, i = pdb.Pdb.get_stack(self, f, t)
+            if f is None:
+                i = max(0, len(stack) - 1)
+                while i and stack[i][0].f_locals.get("__tracebackhide__", False):
+                    i-=1
+            return stack, i
     p = Pdb()
     p.reset()
     p.interaction(None, t)
-
-def set_trace():
-    # again, a copy of the version in pdb.py
-    Pdb().set_trace(sys._getframe().f_back)