I like IPython On Sunday, February 10, 2013 6:20:30 AM UTC-5, Ramos wrote: > > +1 for a VIDEO of this... > > 2013/2/9 JimK <jke...@gmail.com <javascript:>> > >> One of the nice things about python modules that are not c-compiled is >> the fact that you can read the source code. The bad part is that the >> source code is not always easy to find. This is where ipython comes in. >> >> IPython is an alternative to the regular python interpreter which offers >> a bunch of niceties. This interpreter is supported by web2py out of the >> box; just install ipython (pip install ipython) and start web2py at the >> command prompt (python web2py.py -S <appname> -M). This will load the >> web2py environment for your application and it's models using the ipython >> interpreter. I won't go through them all, but rather just a couple that >> really come in handy for me during web2py development. >> >> Let's say you want to see the doc string for SQLFORM: >> In [2]: form = SQLFORM?<return> >> ipython display a scrollable doc string (type 'q' to exit the doc string >> viewer) >> >> Now you want to see the source code of the SQLFORM class: >> In [3]: form = SQLFORM??<return> >> ipython now shows the entire SQLFORM class >> >> Let's say you want to just see all of the methods that SQLFORM has to >> offer: >> In [5]: SQLFORM.<tab> >> SQLFORM.AUTOTYPES SQLFORM.assert_status >> SQLFORM.grid SQLFORM.search_menu >> SQLFORM.FIELDKEY_DELETE_RECORD SQLFORM.build_query >> SQLFORM.hidden_fields SQLFORM.sibling >> SQLFORM.FIELDNAME_REQUEST_DELETE SQLFORM.confirm >> SQLFORM.insert SQLFORM.siblings >> SQLFORM.ID_LABEL_SUFFIX SQLFORM.createform >> SQLFORM.mro SQLFORM.smartdictform >> SQLFORM.ID_ROW_SUFFIX SQLFORM.dictform >> SQLFORM.process SQLFORM.smartgrid >> SQLFORM.REDIRECT_JS SQLFORM.element >> SQLFORM.regex_attr SQLFORM.tag >> SQLFORM.accepts SQLFORM.elements >> SQLFORM.regex_class SQLFORM.update >> SQLFORM.add_button SQLFORM.factory >> SQLFORM.regex_id SQLFORM.validate >> SQLFORM.add_class SQLFORM.flatten >> SQLFORM.regex_tag SQLFORM.widgets >> SQLFORM.append SQLFORM.formstyles >> SQLFORM.remove_class SQLFORM.xml >> >> Finally, if you want to dig into any of those methods, like smartgrid: >> In [6]: SQLFORM.smartgrid?<return> >> or >> In [7]: SQLFORM.smartgrid??<return> >> >> and since the SQLFORM code is well documented and the argument names are >> descriptive, you should be able to figure out more problems on your own. >> >> This is just a taste of what you can do with ipython. It can also >> display more detailed traceback messages, run os-level commands without >> exiting the interpreter, debug code, etc. >> >> I hope this helps a bit! >> >> >> Jim >> >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+un...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > >
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