Okay, I'll probably take a look tonight and see if I can spot any problems -
just let me know when you think it's ready to go upstream and we'll sort it
out.

On Thu, May 14, 2009 at 03:13:12PM -0700, Pavel Panchekha wrote:
> 
> Committed changes to my bpython fork. Likely, these changes can be
> committed to upstream, but its probably better to test them. I suspect
> that it may be best not to include oranj support for the main bpython,
> but instead do the following:
> 
> Move the python.py file to a languages package within the bpython
> folder
> Add a command line switch -l which takes an argument, a language name,
> and imports languages.xxx as language. Then, one could install
> additional languages by dumping their files into that directory.
> 
> This would fix several problems associated with the current oranj
> support (it requires oranj itself, which is currently hard to install)
> and also means not distributing other modules such as OranjLexer.
> 
> I'll spend a bit more time looking for changes to make (I think that
> there are a few more things to language-agnostify), and then hopefully
> prepare a nice patch / ask for commit privilages.
> 
> On May 13, 8:18 pm, Bob Farrell <[email protected]>
> wrote:
> > So, after a long time trying to get everything running (largely due to being
> > distracted on IRC, granted), I managed to track down and fix the problems.
> >
> > Before I start, I'd like to say I'm really impressed with the work you've 
> > done
> > - I nearly had a shit fit when I saw you'd gutted all of the attribute 
> > lookup
> > stuff and wondered why on earth you were surprised it was not working, and 
> > then
> > noticed the "python" module and dependency injection stuff you're doing. So,
> > good work !
> >
> > Now, here's why you weren't finding the problem:
> >         try:
> >             self.completer.complete(cw, 0)
> >         except Exception:
> > # This sucks, but it's either that or list all the exceptions that could
> > # possibly be raised here, so if anyone wants to do that, feel free to send 
> > me
> > # a patch. XXX: Make sure you raise here if you're debugging the completion
> > # stuff !
> >
> > Unfortunately, given that all kinds of exceptions can occur during 
> > completion
> > stuff (since we're letting the user execute code inside our program), a long
> > time ago I resigned to just catching "Exception" and dealing with it -
> > TypeError, ValueError, blah blah blah, can all be raised. So, unless you do 
> > a
> > "raise" in that except block, anything that goes wrong in the completion 
> > stuff
> > will be ignored and you won't see any legitimate bugs in the code.
> >
> > In this case, firstly the "types" module hadn't been imported in python.py,
> > secondly "matches" doesn't get defined here if attr_lookup fails (this is
> > technically a bug in my code):
> >     try:
> >         matches = attr_lookup(obj, expr, attr)
> >     finally:
> >         # Dark magic:
> >         if __getattribute__ is not None:
> >             setattr(type_, '__getattribute__', __getattribute__)
> >         if __getattr__ is not None:
> >             setattr(type_, '__getattr__', __getattr__)
> >         # /Dark magic
> >         return matches
> >
> > so that raises a NameError, and thridly, "expr" and "attr" weren't being 
> > passed
> > in to get_obj_attrs, so they were undefined too. attr_matches now passes 
> > them
> > in:
> >
> >     def attr_matches(self, text):
> >         """Taken from rlcompleter.py and bent to my will."""
> >
> >         m = re.match(r"(\w+(\.\w+)*)\.(\w*)", text)
> >         if not m:
> >             return []
> >
> >         expr, attr = m.group(1, 3)
> >         obj = eval(expr, self.interp.locals)
> >
> >         s = language.get_obj_attrs(obj, expr, attr)
> >         return s
> >
> > (Previously just did "language.get_obj_attrs(obj)").
> >
> > Okay ! So, I've attached a patch; everything seems to work fine now; 
> > hopefully
> > you'll be able to use what I've done to get it working with oranj - just 
> > make
> > sure to raise that exception I mentioned !
> >
> > Oh, and that "foo(" stuff in the completion list is pretty cool; looking
> > forward to pulling that upstream.
> >
> > As far as I can tell everything's ready to go as-is as far as pulling 
> > changes
> > upstream goes. Once we've got that done I'm happy to give you commit privs 
> > to
> > the main bpython repo so you can push your changes there directly - you've 
> > done
> > a great job on the language-agnostic front. Can you think of anything that's
> > preventing me pulling upstream now ? I'll let you get back to me before I do
> > anything.
> >
> > On Wed, May 13, 2009 at 12:01:12PM -0700, Pavel Panchekha wrote:
> >
> > > Committed new revision to oranj. Try to redownload it and modify the
> > > file src/objects/about.py to the installation path (or just read the
> > > INSTALL file).
> >
> > > I'll get a build script up and running for that at some point.
> >
> > > On May 13, 5:19 pm, Bob Farrell <[email protected]>
> > > wrote:
> > > > Been fighting for a while now to get this working but there are a some 
> > > > missing
> > > > dependencies.
> >
> > > > I'm guessing this:
> > > >    http://code.activestate.com/recipes/475116/
> > > > is the "terminal" module.
> >
> > > > No idea what the "files" module is, but it's looking for that too, and 
> > > > I really
> > > > need to get out of the office now. I might take a look at this later but
> > > > ideally if you could get this working in a --no-site-packages 
> > > > virtualenv and
> > > > list any dependencies on the bitbucket.org wiki (or include any extra 
> > > > deps in
> > > > the distribution) that'd be great.
> >
> > > > Nice work, though - good to see you're taking the right approach with 
> > > > keeping
> > > > bpython agnostic. Once we figure out what's up with the attribute 
> > > > lookup issue
> > > > (which I can probably diagnose by just using bpython without the 
> > > > --oranj flag)
> > > > I'll do some testing and then I see no problem pulling your changes 
> > > > upstream.
> >
> > > > On Wed, May 13, 2009 at 08:20:32AM -0700, Pavel Panchekha wrote:
> >
> > > > >http://bitbucket.org/pavpanchekha/bpython-oranj/
> >
> > > > > Python is now a bit broken (no attr matching), oranj just as good (use
> > > > > --oranj command line flag).
> >
> > > > > Because I've yet to make a build system thing for oranj, the following
> > > > > directory tree is required:
> >
> > > > > oranj
> > > > >  - folder
> > > > >    - bpython
> > > > >  - src
> > > > >  - ...
> >
> > > > > folder can be called anything.
> >
> > > > > I should really fix that.
> >
> > > > > On May 13, 2:22 pm, Bob Farrell <[email protected]>
> > > > > wrote:
> > > > > > Well, there's some hideously dark magic that goes on with the 
> > > > > > autocompletion
> > > > > > stuff which you might want to bypass. Feel free to send a patch 
> > > > > > over (or,
> > > > > > ideally, if you can fork the bpython project on bitbucket.org so I 
> > > > > > can pull and
> > > > > > push without having to worry about emailing patch files around) and 
> > > > > > I'll take a
> > > > > > look. I'm at work, may as well do something interesting. :)
> >
> > > > > > On Wed, May 13, 2009 at 05:58:47AM -0700, Pavel Panchekha wrote:
> >
> > > > > > > Hmm. I have it mostly working, but I seem to have completely 
> > > > > > > broken
> > > > > > > attribute matching. Don't know why, and can't seem to be able to 
> > > > > > > debug
> > > > > > > anything. If you want, I can send you a patch as it is now, maybe 
> > > > > > > you
> > > > > > > will understand better than me. Don't want to waste your time 
> > > > > > > though.
> >
> > > > > > > What I have right now is that I split out all of the language 
> > > > > > > specific
> > > > > > > stuff completely, and everything but the attribute matching works 
> > > > > > > (Oh,
> > > > > > > and I haven't tested rewind, but that shouldn't be a problem).
> >
> > > > > > > On May 13, 9:46 am, Bob Farrell 
> > > > > > > <[email protected]>
> > > > > > > wrote:
> > > > > > > > Hi Pavel,
> >
> > > > > > > > On Tue, May 12, 2009 at 05:58:13PM -0700, Pavel Panchekha wrote:
> >
> > > > > > > > > Having a bit of trouble here with the color formatting. The
> > > > > > > > > BPythonFormatter works (mostly, had to fix it up a bit) but 
> > > > > > > > > there's
> > > > > > > > > another issue.
> >
> > > > > > > > > When Oranj prints error messages, it'd be nice if they were 
> > > > > > > > > colored.
> > > > > > > > > They already are when using the console, but I need to use 
> > > > > > > > > the curses
> > > > > > > > > color codes for printing in the bpython.
> >
> > > > > > > > > What I'm doing is this:
> >
> > > > > > > > > msg = "\x01r\x03%s\x01d\x03%s" % (type(e).__name__, ("" if 
> > > > > > > > > not e.args
> > > > > > > > > else (": " + " ".join(map(str, e.args)))))
> >
> > > > > > > > > Ideally, this should make the first bit (type(e).__name__) 
> > > > > > > > > red and the
> > > > > > > > > other bit normal gray colored (Its the error message). This 
> > > > > > > > > isn't
> > > > > > > > > working, however - the entire line is red.
> >
> > > > > > > > I thought this was already possible, but turns out it wasn't - 
> > > > > > > > I've changed the
> > > > > > > > code so that you can achieve what you were aiming for now by 
> > > > > > > > doing this:
> > > > > > > >     msg = "\x01r\x03what\x04\x01d\x03hello"
> > > > > > > > and then passing that to Repl.write, which will now split on 
> > > > > > > > \x04 - you'll have
> > > > > > > > to pull from the hg repo to get the latest changes, or just use 
> > > > > > > > this:
> >
> > > > > > > >     def write(self, s):
> > > > > > > >         """For overriding stdout defaults"""
> > > > > > > >         if '\x04' in s:
> > > > > > > >             for block in s.split('\x04'):
> > > > > > > >                 self.write(block)
> > > > > > > >             return
> > > > > > > >         if s.rstrip() and '\x03' in s:
> > > > > > > >             t = s.split('\x03')[1]
> > > > > > > >         else:
> > > > > > > >             t = s
> >
> > > > > > > >         if isinstance(t, unicode):
> > > > > > > >             t = t.encode(getattr(sys.__stdout__, 'encoding') or 
> > > > > > > > sys.getdefaultencoding())
> >
> > > > > > > >         if not self.stdout_hist:
> > > > > > > >             self.stdout_hist = t
> > > > > > > >         else:
> > > > > > > >             self.stdout_hist += t
> >
> > > > > > > >         self.echo(s)
> > > > > > > >         self.s_hist.append(s.rstrip())
> >
> > > > > > > > The more I look at the way the colours work in bpython, the 
> > > > > > > > more I hate it. Oh
> > > > > > > > well. :)
> >
> > > > > > > > > Anything I'm doing wrong? I could send complete, (sorta) 
> > > > > > > > > working code
> > > > > > > > > if you want, but in any case, is there anything obviously 
> > > > > > > > > wrong?
> >
> > > > > > > > > On May 12, 5:06 pm, Pavel Panchekha <[email protected]> 
> > > > > > > > > wrote:
> > > > > > > > > > Thanks for the rundown. It shouldn't be too hard - most of 
> > > > > > > > > > the stuff
> > > > > > > > > > you mentioned is already there in a half-done way, just 
> > > > > > > > > > need to clean
> > > > > > > > > > it up. With luck, I'll extract the python-specific bits as 
> > > > > > > > > > I go, so it
> > > > > > > > > > can be merged upstream. I'll try to keep the mailing list 
> > > > > > > > > > posted if I
> > > > > > > > > > finish up.
> >
> > > > > > > > > > On May 12, 4:53 pm, Bob Farrell 
> > > > > > > > > > <[email protected]>
> > > > > > > > > > wrote:
> >
> > > > > > > > > > > Hi Pavel,
> >
> > > > > > > > > > > On Tue, May 12, 2009 at 11:01:05AM -0700, Pavel Panchekha 
> > > > > > > > > > > wrote:
> >
> > > > > > > > > > > > I'd like to write a shell for oranj similar to bpython. 
> > > > > > > > > > > > I've already
> > > > > > > > > > > > written a pygments parser for it, and writing 
> > > > > > > > > > > > completion shouldn't be
> > > > > > > > > > > > too hard. What else needs to be changed before I can 
> > > > > > > > > > > > get a full
> > > > > > > > > > > > bpython-esque shell for oranj? Is there anything in 
> > > > > > > > > > > > curses to fiddle
> > > > > > > > > > > > with, for example? (I tried
> >
> > ...
> >
> > read more »
> >
> >  attrlookup.patch
> > 2KViewDownload
> > 

-- 
Bob Farrell

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