comparison mercurial/demandimport.py @ 28175:c25e3fd38ff1

demandimport: enforce ignore list while processing modules in fromlist

If a module is loaded as "from . import x" form, there has been no way to
disable demand loading for that module because name is ''. This patch makes
it possible to prevent demand loading by '<package-name>.x'.

We don't use _hgextimport(_origimport) here since attr is known to be a
sub-module name. Adding hgext_ to attr wouldn't make sense.

28174:f16b84b1e40e

            If the symbol doesn't exist in the parent module, it must be a
            module. We set missing modules up as _demandmod instances.
            """
            symbol = getattr(mod, attr, nothing)
            if symbol is nothing:
                symbol = _demandmod(attr, mod.__dict__, locals, level=1)
                setattr(mod, attr, symbol)

            # Record the importing module references this symbol so we can
            # replace the symbol with the actual module instance at load
            # time.

28175:c25e3fd38ff1

            If the symbol doesn't exist in the parent module, it must be a
            module. We set missing modules up as _demandmod instances.
            """
            symbol = getattr(mod, attr, nothing)
            if symbol is nothing:
                mn = '%s.%s' % (mod.__name__, attr)
                if mn in ignore:
                    importfunc = _origimport
                else:
                    importfunc = _demandmod
                symbol = importfunc(attr, mod.__dict__, locals, level=1)
                setattr(mod, attr, symbol)

            # Record the importing module references this symbol so we can
            # replace the symbol with the actual module instance at load
            # time.