.. _fbf.plugs.extra.gcalc:

gcalc
~~~~~

.. automodule:: fbf.plugs.extra.gcalc
        :show-inheritance:
        :members:
        :undoc-members:

CODE
----

    ::

        # fbf/plugs/common/gcalc.py
        # encoding: utf-8
        #
        #
        
        """ use google to calculate e.g. !gcalc 1 + 1 """
        
.. _fbf.plugs.extra.gcalc_fbf_imports:

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

    ::

        
        from fbf.lib.commands import cmnds
        from fbf.lib.examples import examples
        from fbf.utils.url import useragent
        
.. _fbf.plugs.extra.gcalc_basic_imports:

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

    ::

        
        import urllib.request, urllib.error, urllib.parse
        
.. _fbf.plugs.extra.gcalc_gcalc_command:

gcalc command
----------------

    ::

        
        def handle_gcalc(bot, ievent):
            """ arguments: <expression> - use google calc. """
            if len(ievent.args) > 0: expr = " ".join(ievent.args).replace("+", "%2B").replace(" ", "+")
            else: ievent.missing('Missing an expression') ; return
            req = urllib.request.Request("http://www.google.com/ig/calculator?hl=en&q=%s" % expr, None,  {'User-agent': useragent()})
            data = urllib.request.urlopen(req).read()
            try:
                rhs = data.split("rhs")[1].split("\"")[1]
                lhs = data.split("lhs")[1].split("\"")[1]
                if rhs and lhs:
                    ievent.reply("%s = %s" % (lhs,rhs.replace('\\x26#215;', '*').replace('\\x3csup\\x3e', '**').replace('\\x3c/sup\\x3e', '')))
                else: ievent.reply("hmmm can't get a result ..")
            except Exception as ex:
                ievent.reply(str(ex))    
        
        cmnds.add('gcalc', handle_gcalc, ['OPER', 'USER', 'GUEST'])
        examples.add('gcalc', 'calculate an expression using the google calculator', 'gcalc 1 + 1')