python, hg: tow outside the environment.

they've served us well, and can ride off into the sunset.

1 files changed, 0 insertions, 613 deletions

diff --git a/sys/lib/python/bdb.py b/sys/lib/python/bdb.py
deleted file mode 100644
index 0c56b63fa..000000000
--- a/sys/lib/python/bdb.py
+++ /dev/null
@@ -1,613 +0,0 @@
-"""Debugger basics"""
-
-import sys
-import os
-import types
-
-__all__ = ["BdbQuit","Bdb","Breakpoint"]
-
-class BdbQuit(Exception):
-    """Exception to give up completely"""
-
-
-class Bdb:
-
-    """Generic Python debugger base class.
-
-    This class takes care of details of the trace facility;
-    a derived class should implement user interaction.
-    The standard debugger class (pdb.Pdb) is an example.
-    """
-
-    def __init__(self):
-        self.breaks = {}
-        self.fncache = {}
-
-    def canonic(self, filename):
-        if filename == "<" + filename[1:-1] + ">":
-            return filename
-        canonic = self.fncache.get(filename)
-        if not canonic:
-            canonic = os.path.abspath(filename)
-            canonic = os.path.normcase(canonic)
-            self.fncache[filename] = canonic
-        return canonic
-
-    def reset(self):
-        import linecache
-        linecache.checkcache()
-        self.botframe = None
-        self.stopframe = None
-        self.returnframe = None
-        self.quitting = 0
-
-    def trace_dispatch(self, frame, event, arg):
-        if self.quitting:
-            return # None
-        if event == 'line':
-            return self.dispatch_line(frame)
-        if event == 'call':
-            return self.dispatch_call(frame, arg)
-        if event == 'return':
-            return self.dispatch_return(frame, arg)
-        if event == 'exception':
-            return self.dispatch_exception(frame, arg)
-        if event == 'c_call':
-            return self.trace_dispatch
-        if event == 'c_exception':
-            return self.trace_dispatch
-        if event == 'c_return':
-            return self.trace_dispatch
-        print 'bdb.Bdb.dispatch: unknown debugging event:', repr(event)
-        return self.trace_dispatch
-
-    def dispatch_line(self, frame):
-        if self.stop_here(frame) or self.break_here(frame):
-            self.user_line(frame)
-            if self.quitting: raise BdbQuit
-        return self.trace_dispatch
-
-    def dispatch_call(self, frame, arg):
-        # XXX 'arg' is no longer used
-        if self.botframe is None:
-            # First call of dispatch since reset()
-            self.botframe = frame.f_back # (CT) Note that this may also be None!
-            return self.trace_dispatch
-        if not (self.stop_here(frame) or self.break_anywhere(frame)):
-            # No need to trace this function
-            return # None
-        self.user_call(frame, arg)
-        if self.quitting: raise BdbQuit
-        return self.trace_dispatch
-
-    def dispatch_return(self, frame, arg):
-        if self.stop_here(frame) or frame == self.returnframe:
-            self.user_return(frame, arg)
-            if self.quitting: raise BdbQuit
-        return self.trace_dispatch
-
-    def dispatch_exception(self, frame, arg):
-        if self.stop_here(frame):
-            self.user_exception(frame, arg)
-            if self.quitting: raise BdbQuit
-        return self.trace_dispatch
-
-    # Normally derived classes don't override the following
-    # methods, but they may if they want to redefine the
-    # definition of stopping and breakpoints.
-
-    def stop_here(self, frame):
-        # (CT) stopframe may now also be None, see dispatch_call.
-        # (CT) the former test for None is therefore removed from here.
-        if frame is self.stopframe:
-            return True
-        while frame is not None and frame is not self.stopframe:
-            if frame is self.botframe:
-                return True
-            frame = frame.f_back
-        return False
-
-    def break_here(self, frame):
-        filename = self.canonic(frame.f_code.co_filename)
-        if not filename in self.breaks:
-            return False
-        lineno = frame.f_lineno
-        if not lineno in self.breaks[filename]:
-            # The line itself has no breakpoint, but maybe the line is the
-            # first line of a function with breakpoint set by function name.
-            lineno = frame.f_code.co_firstlineno
-            if not lineno in self.breaks[filename]:
-                return False
-
-        # flag says ok to delete temp. bp
-        (bp, flag) = effective(filename, lineno, frame)
-        if bp:
-            self.currentbp = bp.number
-            if (flag and bp.temporary):
-                self.do_clear(str(bp.number))
-            return True
-        else:
-            return False
-
-    def do_clear(self, arg):
-        raise NotImplementedError, "subclass of bdb must implement do_clear()"
-
-    def break_anywhere(self, frame):
-        return self.breaks.has_key(
-            self.canonic(frame.f_code.co_filename))
-
-    # Derived classes should override the user_* methods
-    # to gain control.
-
-    def user_call(self, frame, argument_list):
-        """This method is called when there is the remote possibility
-        that we ever need to stop in this function."""
-        pass
-
-    def user_line(self, frame):
-        """This method is called when we stop or break at this line."""
-        pass
-
-    def user_return(self, frame, return_value):
-        """This method is called when a return trap is set here."""
-        pass
-
-    def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
-        """This method is called if an exception occurs,
-        but only if we are to stop at or just below this level."""
-        pass
-
-    # Derived classes and clients can call the following methods
-    # to affect the stepping state.
-
-    def set_step(self):
-        """Stop after one line of code."""
-        self.stopframe = None
-        self.returnframe = None
-        self.quitting = 0
-
-    def set_next(self, frame):
-        """Stop on the next line in or below the given frame."""
-        self.stopframe = frame
-        self.returnframe = None
-        self.quitting = 0
-
-    def set_return(self, frame):
-        """Stop when returning from the given frame."""
-        self.stopframe = frame.f_back
-        self.returnframe = frame
-        self.quitting = 0
-
-    def set_trace(self, frame=None):
-        """Start debugging from `frame`.
-
-        If frame is not specified, debugging starts from caller's frame.
-        """
-        if frame is None:
-            frame = sys._getframe().f_back
-        self.reset()
-        while frame:
-            frame.f_trace = self.trace_dispatch
-            self.botframe = frame
-            frame = frame.f_back
-        self.set_step()
-        sys.settrace(self.trace_dispatch)
-
-    def set_continue(self):
-        # Don't stop except at breakpoints or when finished
-        self.stopframe = self.botframe
-        self.returnframe = None
-        self.quitting = 0
-        if not self.breaks:
-            # no breakpoints; run without debugger overhead
-            sys.settrace(None)
-            frame = sys._getframe().f_back
-            while frame and frame is not self.botframe:
-                del frame.f_trace
-                frame = frame.f_back
-
-    def set_quit(self):
-        self.stopframe = self.botframe
-        self.returnframe = None
-        self.quitting = 1
-        sys.settrace(None)
-
-    # Derived classes and clients can call the following methods
-    # to manipulate breakpoints.  These methods return an
-    # error message is something went wrong, None if all is well.
-    # Set_break prints out the breakpoint line and file:lineno.
-    # Call self.get_*break*() to see the breakpoints or better
-    # for bp in Breakpoint.bpbynumber: if bp: bp.bpprint().
-
-    def set_break(self, filename, lineno, temporary=0, cond = None,
-                  funcname=None):
-        filename = self.canonic(filename)
-        import linecache # Import as late as possible
-        line = linecache.getline(filename, lineno)
-        if not line:
-            return 'Line %s:%d does not exist' % (filename,
-                                   lineno)
-        if not filename in self.breaks:
-            self.breaks[filename] = []
-        list = self.breaks[filename]
-        if not lineno in list:
-            list.append(lineno)
-        bp = Breakpoint(filename, lineno, temporary, cond, funcname)
-
-    def clear_break(self, filename, lineno):
-        filename = self.canonic(filename)
-        if not filename in self.breaks:
-            return 'There are no breakpoints in %s' % filename
-        if lineno not in self.breaks[filename]:
-            return 'There is no breakpoint at %s:%d' % (filename,
-                                    lineno)
-        # If there's only one bp in the list for that file,line
-        # pair, then remove the breaks entry
-        for bp in Breakpoint.bplist[filename, lineno][:]:
-            bp.deleteMe()
-        if not Breakpoint.bplist.has_key((filename, lineno)):
-            self.breaks[filename].remove(lineno)
-        if not self.breaks[filename]:
-            del self.breaks[filename]
-
-    def clear_bpbynumber(self, arg):
-        try:
-            number = int(arg)
-        except:
-            return 'Non-numeric breakpoint number (%s)' % arg
-        try:
-            bp = Breakpoint.bpbynumber[number]
-        except IndexError:
-            return 'Breakpoint number (%d) out of range' % number
-        if not bp:
-            return 'Breakpoint (%d) already deleted' % number
-        self.clear_break(bp.file, bp.line)
-
-    def clear_all_file_breaks(self, filename):
-        filename = self.canonic(filename)
-        if not filename in self.breaks:
-            return 'There are no breakpoints in %s' % filename
-        for line in self.breaks[filename]:
-            blist = Breakpoint.bplist[filename, line]
-            for bp in blist:
-                bp.deleteMe()
-        del self.breaks[filename]
-
-    def clear_all_breaks(self):
-        if not self.breaks:
-            return 'There are no breakpoints'
-        for bp in Breakpoint.bpbynumber:
-            if bp:
-                bp.deleteMe()
-        self.breaks = {}
-
-    def get_break(self, filename, lineno):
-        filename = self.canonic(filename)
-        return filename in self.breaks and \
-            lineno in self.breaks[filename]
-
-    def get_breaks(self, filename, lineno):
-        filename = self.canonic(filename)
-        return filename in self.breaks and \
-            lineno in self.breaks[filename] and \
-            Breakpoint.bplist[filename, lineno] or []
-
-    def get_file_breaks(self, filename):
-        filename = self.canonic(filename)
-        if filename in self.breaks:
-            return self.breaks[filename]
-        else:
-            return []
-
-    def get_all_breaks(self):
-        return self.breaks
-
-    # Derived classes and clients can call the following method
-    # to get a data structure representing a stack trace.
-
-    def get_stack(self, f, t):
-        stack = []
-        if t and t.tb_frame is f:
-            t = t.tb_next
-        while f is not None:
-            stack.append((f, f.f_lineno))
-            if f is self.botframe:
-                break
-            f = f.f_back
-        stack.reverse()
-        i = max(0, len(stack) - 1)
-        while t is not None:
-            stack.append((t.tb_frame, t.tb_lineno))
-            t = t.tb_next
-        return stack, i
-
-    #
-
-    def format_stack_entry(self, frame_lineno, lprefix=': '):
-        import linecache, repr
-        frame, lineno = frame_lineno
-        filename = self.canonic(frame.f_code.co_filename)
-        s = '%s(%r)' % (filename, lineno)
-        if frame.f_code.co_name:
-            s = s + frame.f_code.co_name
-        else:
-            s = s + "<lambda>"
-        if '__args__' in frame.f_locals:
-            args = frame.f_locals['__args__']
-        else:
-            args = None
-        if args:
-            s = s + repr.repr(args)
-        else:
-            s = s + '()'
-        if '__return__' in frame.f_locals:
-            rv = frame.f_locals['__return__']
-            s = s + '->'
-            s = s + repr.repr(rv)
-        line = linecache.getline(filename, lineno)
-        if line: s = s + lprefix + line.strip()
-        return s
-
-    # The following two methods can be called by clients to use
-    # a debugger to debug a statement, given as a string.
-
-    def run(self, cmd, globals=None, locals=None):
-        if globals is None:
-            import __main__
-            globals = __main__.__dict__
-        if locals is None:
-            locals = globals
-        self.reset()
-        sys.settrace(self.trace_dispatch)
-        if not isinstance(cmd, types.CodeType):
-            cmd = cmd+'\n'
-        try:
-            try:
-                exec cmd in globals, locals
-            except BdbQuit:
-                pass
-        finally:
-            self.quitting = 1
-            sys.settrace(None)
-
-    def runeval(self, expr, globals=None, locals=None):
-        if globals is None:
-            import __main__
-            globals = __main__.__dict__
-        if locals is None:
-            locals = globals
-        self.reset()
-        sys.settrace(self.trace_dispatch)
-        if not isinstance(expr, types.CodeType):
-            expr = expr+'\n'
-        try:
-            try:
-                return eval(expr, globals, locals)
-            except BdbQuit:
-                pass
-        finally:
-            self.quitting = 1
-            sys.settrace(None)
-
-    def runctx(self, cmd, globals, locals):
-        # B/W compatibility
-        self.run(cmd, globals, locals)
-
-    # This method is more useful to debug a single function call.
-
-    def runcall(self, func, *args, **kwds):
-        self.reset()
-        sys.settrace(self.trace_dispatch)
-        res = None
-        try:
-            try:
-                res = func(*args, **kwds)
-            except BdbQuit:
-                pass
-        finally:
-            self.quitting = 1
-            sys.settrace(None)
-        return res
-
-
-def set_trace():
-    Bdb().set_trace()
-
-
-class Breakpoint:
-
-    """Breakpoint class
-
-    Implements temporary breakpoints, ignore counts, disabling and
-    (re)-enabling, and conditionals.
-
-    Breakpoints are indexed by number through bpbynumber and by
-    the file,line tuple using bplist.  The former points to a
-    single instance of class Breakpoint.  The latter points to a
-    list of such instances since there may be more than one
-    breakpoint per line.
-
-    """
-
-    # XXX Keeping state in the class is a mistake -- this means
-    # you cannot have more than one active Bdb instance.
-
-    next = 1        # Next bp to be assigned
-    bplist = {}     # indexed by (file, lineno) tuple
-    bpbynumber = [None] # Each entry is None or an instance of Bpt
-                # index 0 is unused, except for marking an
-                # effective break .... see effective()
-
-    def __init__(self, file, line, temporary=0, cond=None, funcname=None):
-        self.funcname = funcname
-        # Needed if funcname is not None.
-        self.func_first_executable_line = None
-        self.file = file    # This better be in canonical form!
-        self.line = line
-        self.temporary = temporary
-        self.cond = cond
-        self.enabled = 1
-        self.ignore = 0
-        self.hits = 0
-        self.number = Breakpoint.next
-        Breakpoint.next = Breakpoint.next + 1
-        # Build the two lists
-        self.bpbynumber.append(self)
-        if self.bplist.has_key((file, line)):
-            self.bplist[file, line].append(self)
-        else:
-            self.bplist[file, line] = [self]
-
-
-    def deleteMe(self):
-        index = (self.file, self.line)
-        self.bpbynumber[self.number] = None   # No longer in list
-        self.bplist[index].remove(self)
-        if not self.bplist[index]:
-            # No more bp for this f:l combo
-            del self.bplist[index]
-
-    def enable(self):
-        self.enabled = 1
-
-    def disable(self):
-        self.enabled = 0
-
-    def bpprint(self, out=None):
-        if out is None:
-            out = sys.stdout
-        if self.temporary:
-            disp = 'del  '
-        else:
-            disp = 'keep '
-        if self.enabled:
-            disp = disp + 'yes  '
-        else:
-            disp = disp + 'no   '
-        print >>out, '%-4dbreakpoint   %s at %s:%d' % (self.number, disp,
-                                                       self.file, self.line)
-        if self.cond:
-            print >>out, '\tstop only if %s' % (self.cond,)
-        if self.ignore:
-            print >>out, '\tignore next %d hits' % (self.ignore)
-        if (self.hits):
-            if (self.hits > 1): ss = 's'
-            else: ss = ''
-            print >>out, ('\tbreakpoint already hit %d time%s' %
-                          (self.hits, ss))
-
-# -----------end of Breakpoint class----------
-
-def checkfuncname(b, frame):
-    """Check whether we should break here because of `b.funcname`."""
-    if not b.funcname:
-        # Breakpoint was set via line number.
-        if b.line != frame.f_lineno:
-            # Breakpoint was set at a line with a def statement and the function
-            # defined is called: don't break.
-            return False
-        return True
-
-    # Breakpoint set via function name.
-
-    if frame.f_code.co_name != b.funcname:
-        # It's not a function call, but rather execution of def statement.
-        return False
-
-    # We are in the right frame.
-    if not b.func_first_executable_line:
-        # The function is entered for the 1st time.
-        b.func_first_executable_line = frame.f_lineno
-
-    if  b.func_first_executable_line != frame.f_lineno:
-        # But we are not at the first line number: don't break.
-        return False
-    return True
-
-# Determines if there is an effective (active) breakpoint at this
-# line of code.  Returns breakpoint number or 0 if none
-def effective(file, line, frame):
-    """Determine which breakpoint for this file:line is to be acted upon.
-
-    Called only if we know there is a bpt at this
-    location.  Returns breakpoint that was triggered and a flag
-    that indicates if it is ok to delete a temporary bp.
-
-    """
-    possibles = Breakpoint.bplist[file,line]
-    for i in range(0, len(possibles)):
-        b = possibles[i]
-        if b.enabled == 0:
-            continue
-        if not checkfuncname(b, frame):
-            continue
-        # Count every hit when bp is enabled
-        b.hits = b.hits + 1
-        if not b.cond:
-            # If unconditional, and ignoring,
-            # go on to next, else break
-            if b.ignore > 0:
-                b.ignore = b.ignore -1
-                continue
-            else:
-                # breakpoint and marker that's ok
-                # to delete if temporary
-                return (b,1)
-        else:
-            # Conditional bp.
-            # Ignore count applies only to those bpt hits where the
-            # condition evaluates to true.
-            try:
-                val = eval(b.cond, frame.f_globals,
-                       frame.f_locals)
-                if val:
-                    if b.ignore > 0:
-                        b.ignore = b.ignore -1
-                        # continue
-                    else:
-                        return (b,1)
-                # else:
-                #   continue
-            except:
-                # if eval fails, most conservative
-                # thing is to stop on breakpoint
-                # regardless of ignore count.
-                # Don't delete temporary,
-                # as another hint to user.
-                return (b,0)
-    return (None, None)
-
-# -------------------- testing --------------------
-
-class Tdb(Bdb):
-    def user_call(self, frame, args):
-        name = frame.f_code.co_name
-        if not name: name = '???'
-        print '+++ call', name, args
-    def user_line(self, frame):
-        import linecache
-        name = frame.f_code.co_name
-        if not name: name = '???'
-        fn = self.canonic(frame.f_code.co_filename)
-        line = linecache.getline(fn, frame.f_lineno)
-        print '+++', fn, frame.f_lineno, name, ':', line.strip()
-    def user_return(self, frame, retval):
-        print '+++ return', retval
-    def user_exception(self, frame, exc_stuff):
-        print '+++ exception', exc_stuff
-        self.set_continue()
-
-def foo(n):
-    print 'foo(', n, ')'
-    x = bar(n*10)
-    print 'bar returned', x
-
-def bar(a):
-    print 'bar(', a, ')'
-    return a/2
-
-def test():
-    t = Tdb()
-    t.run('import bdb; bdb.foo(10)')
-
-# end