(pretty_printers, name_re, subname_re, flag)
return total
Worker for enabling/disabling pretty-printers.

    Arguments:
        pretty_printers: list of pretty-printers
        name_re: regular-expression object to select printers
        subname_re: regular expression object to select subprinters or None
                    if all are affected
        flag: True for Enable, False for Disable

    Returns:
        The number of printers affected.
        This is just for informational purposes for the user.
Worker for enabling/disabling pretty-printers.
Worker for enabling / disabling pretty - printers .
def do_enable_pretty_printer_1 (pretty_printers, name_re, subname_re, flag):
    """Worker for enabling/disabling pretty-printers.

    Arguments:
        pretty_printers: list of pretty-printers
        name_re: regular-expression object to select printers
        subname_re: regular expression object to select subprinters or None
                    if all are affected
        flag: True for Enable, False for Disable

    Returns:
        The number of printers affected.
        This is just for informational purposes for the user.
    """
    total = 0
    for printer in pretty_printers:
        if (hasattr(printer, "name") and name_re.match(printer.name) or
            hasattr(printer, "__name__") and name_re.match(printer.__name__)):
            if (hasattr(printer, "subprinters") and
                printer.subprinters is not None):
                if not subname_re:
                    # Only record printers that change state.
                    if printer_enabled_p(printer) != flag:
                        for subprinter in printer.subprinters:
                            if printer_enabled_p(subprinter):
                                total += 1
                    # NOTE: We preserve individual subprinter settings.
                    printer.enabled = flag
                else:
                    # NOTE: Whether this actually disables the subprinter
                    # depends on whether the printer's lookup function supports
                    # the "enable" API.  We can only assume it does.
                    for subprinter in printer.subprinters:
                        if subname_re.match(subprinter.name):
                            # Only record printers that change state.
                           if (printer_enabled_p(printer) and
                               printer_enabled_p(subprinter) != flag):
                               total += 1
                           subprinter.enabled = flag
            else:
                # This printer has no subprinters.
                # If the user does "disable pretty-printer .* .* foo"
                # should we disable printers that don't have subprinters?
                # How do we apply "foo" in this context?  Since there is no
                # "foo" subprinter it feels like we should skip this printer.
                # There's still the issue of how to handle
                # "disable pretty-printer .* .* .*", and every other variation
                # that can match everything.  For now punt and only support
                # "disable pretty-printer .* .*" (i.e. subname is elided)
                # to disable everything.
                if not subname_re:
                    # Only record printers that change state.
                    if printer_enabled_p(printer) != flag:
                        total += 1
                    printer.enabled = flag
    return total
def do_enable_pretty_printer_1 ( pretty_printers , name_re , subname_re , flag ) : total = 0 for printer in pretty_printers : if ( hasattr ( printer , "name" ) and name_re . match ( printer . name ) or hasattr ( printer , "__name__" ) and name_re . match ( printer . __name__ ) ) : if ( hasattr ( printer , "subprinters" ) and printer . subprinters is not None ) : if not subname_re : # Only record printers that change state. if printer_enabled_p ( printer ) != flag : for subprinter in printer . subprinters : if printer_enabled_p ( subprinter ) : total += 1 # NOTE: We preserve individual subprinter settings. printer . enabled = flag else : # NOTE: Whether this actually disables the subprinter # depends on whether the printer's lookup function supports # the "enable" API.  We can only assume it does. for subprinter in printer . subprinters : if subname_re . match ( subprinter . name ) : # Only record printers that change state. if ( printer_enabled_p ( printer ) and printer_enabled_p ( subprinter ) != flag ) : total += 1 subprinter . enabled = flag else : # This printer has no subprinters. # If the user does "disable pretty-printer .* .* foo" # should we disable printers that don't have subprinters? # How do we apply "foo" in this context?  Since there is no # "foo" subprinter it feels like we should skip this printer. # There's still the issue of how to handle # "disable pretty-printer .* .* .*", and every other variation # that can match everything.  For now punt and only support # "disable pretty-printer .* .*" (i.e. subname is elided) # to disable everything. if not subname_re : # Only record printers that change state. if printer_enabled_p ( printer ) != flag : total += 1 printer . enabled = flag return total