comparison mercurial/extensions.py @ 36178:646002338365

py3: introduce and use pycompat.getargspec

This is getfullargspec on py3, which means we can't use namedtuple
named accessors for all fields (eg keywords from getargspec is varkw
from getfullargspec, with the same meaning). Solves some warning
issues on Python 3.

I didn't clean up httpclient because that's vendored code I think we
should probably discard, and I didn't touch the manpage generator for
now either.

Differential Revision: https://phab.mercurial-scm.org/D2251

36177:187f2474bc11

    if extsetup:
        try:
            try:
                extsetup(ui)
            except TypeError:
                # Try to use getfullargspec (Python 3) first, and fall
                # back to getargspec only if it doesn't exist so as to
                # avoid warnings.
                if getattr(inspect, 'getfullargspec',
                           getattr(inspect, 'getargspec'))(extsetup).args:
                    raise
                extsetup() # old extsetup with no ui argument
        except Exception as inst:
            ui.traceback(force=True)
            msg = util.forcebytestr(inst)

36178:646002338365

    if extsetup:
        try:
            try:
                extsetup(ui)
            except TypeError:
                if pycompat.getargspec(extsetup).args:
                    raise
                extsetup() # old extsetup with no ui argument
        except Exception as inst:
            ui.traceback(force=True)
            msg = util.forcebytestr(inst)