comparison mercurial/dispatch.py @ 14950:144e97421f6b

dispatch: use safehasattr instead of hasattr

14949:a4435770cf57

        if m in "mpatch bdiff".split():
            ui.warn(_("(did you forget to compile extensions?)\n"))
        elif m in "zlib".split():
            ui.warn(_("(is your Python install correct?)\n"))
    except IOError, inst:
        if hasattr(inst, "code"):
            ui.warn(_("abort: %s\n") % inst)
        elif hasattr(inst, "reason"):
            try: # usually it is in the form (errno, strerror)
                reason = inst.reason.args[1]
            except (AttributeError, IndexError):
                 # it might be anything, for example a string
                reason = inst.reason
            ui.warn(_("abort: error: %s\n") % reason)
        elif hasattr(inst, "args") and inst.args[0] == errno.EPIPE:
            if ui.debugflag:
                ui.warn(_("broken pipe\n"))
        elif getattr(inst, "strerror", None):
            if getattr(inst, "filename", None):
                ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename))

    def __call__(self, ui, *args, **opts):
        if self.shadows:
            ui.debug("alias '%s' shadows command '%s'\n" %
                     (self.name, self.cmdname))

        if hasattr(self, 'shell'):
            return self.fn(ui, *args, **opts)
        else:
            try:
                util.checksignature(self.fn)(ui, *args, **opts)
            except error.SignatureError:

        return

    cmd = aliases[0]
    fn = entry[0]

    if cmd and hasattr(fn, 'shell'):
        d = lambda: fn(ui, *args[1:])
        return lambda: runcommand(lui, None, cmd, args[:1], ui, options, d, [], {})

    commands.norepo = norepo

14950:144e97421f6b

        if m in "mpatch bdiff".split():
            ui.warn(_("(did you forget to compile extensions?)\n"))
        elif m in "zlib".split():
            ui.warn(_("(is your Python install correct?)\n"))
    except IOError, inst:
        if util.safehasattr(inst, "code"):
            ui.warn(_("abort: %s\n") % inst)
        elif util.safehasattr(inst, "reason"):
            try: # usually it is in the form (errno, strerror)
                reason = inst.reason.args[1]
            except (AttributeError, IndexError):
                 # it might be anything, for example a string
                reason = inst.reason
            ui.warn(_("abort: error: %s\n") % reason)
        elif util.safehasattr(inst, "args") and inst.args[0] == errno.EPIPE:
            if ui.debugflag:
                ui.warn(_("broken pipe\n"))
        elif getattr(inst, "strerror", None):
            if getattr(inst, "filename", None):
                ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename))

    def __call__(self, ui, *args, **opts):
        if self.shadows:
            ui.debug("alias '%s' shadows command '%s'\n" %
                     (self.name, self.cmdname))

        if util.safehasattr(self, 'shell'):
            return self.fn(ui, *args, **opts)
        else:
            try:
                util.checksignature(self.fn)(ui, *args, **opts)
            except error.SignatureError:

        return

    cmd = aliases[0]
    fn = entry[0]

    if cmd and util.safehasattr(fn, 'shell'):
        d = lambda: fn(ui, *args[1:])
        return lambda: runcommand(lui, None, cmd, args[:1], ui, options, d, [], {})

    commands.norepo = norepo