.. _fbf.plugs.core.grep:

grep
~~~~

.. automodule:: fbf.plugs.core.grep
        :show-inheritance:
        :members:
        :undoc-members:

CODE
----

    ::

        # fbf/plugs/core/grep.py
        #
        #
        
        """ grep the output of bot comamnds. """
        
.. _fbf.plugs.core.grep_fbf_imports:

fbf imports
--------------

    ::

        
        from fbf.lib.commands import cmnds
        from fbf.utils.generic import waitforqueue
        from fbf.lib.examples import examples
        
.. _fbf.plugs.core.grep_basic_imports:

basic imports
----------------

    ::

        
        import getopt
        import re
        import time
        
.. _fbf.plugs.core.grep_grep_command:

grep command
---------------

    ::

        
        def handle_grep(bot, ievent):
            """ no arguments - grep the result list, use this command in a pipeline. """
            if not ievent.rest: ievent.reply('grep <txt>') ; return
            try: (options, rest) = getopt.getopt(ievent.args, 'riv')
            except getopt.GetoptError as ex: ievent.reply(str(ex)) ; return
            doregex = False
            docasein = False
            doinvert = False
            for i, j in options:
                if i == '-r': doregex = True
                if i == '-i': docasein = True
                if i == '-v': doinvert = True
            res = []
            #if ievent.prev: ievent.prev.wait()
            target = ievent.inqueue   
            if doregex:
                try:
                    if docasein: reg = re.compile(' '.join(rest), re.I)
                    else: reg = re.compile(' '.join(rest))
                except Exception as ex:
                    ievent.reply("can't compile regex: %s" % str(ex))
                    return
                if doinvert:
                    for i in target:
                        if not re.search(reg, i): res.append(i)
                else:
                    for i in target:
                        if re.search(reg, i): res.append(i)
            else:
                if docasein: what = ' '.join(rest).lower()
                elif doinvert: what = ' '.join(rest)
                else: what = ievent.rest
                for i in target:
                    if docasein:
                        if what in str(i.lower()): res.append(i)
                    elif doinvert:
                        if what not in str(i): res.append(i)
                    else:
                        if what in str(i): res.append(i)
            if not res: ievent.reply('no result')
            else: ievent.reply('results: ', res)
        
        cmnds.add('grep', handle_grep, ['OPER', 'USER', 'GUEST'])
        examples.add('grep', 'grep the output of a command', 'list ! grep core')