fix typos and auto-obtain version from pkg_ressources

Author: RonnyPfannschmidt

CHANGELOG

@@ -11,7 +11,7 @@
   obtain the current version number of a package from install metadata
   its used by default with the package name
 - add an eagerloading option and eagerload automatically
-  if bpython is used
+  if bpython is used (workaround for their monkeypatching)
 
 1.2
 ----------------------------------------

apipkg.py

@@ -48,6 +48,8 @@ def initpkg(pkgname, exportdefs, attr=dict(), eager=False):
     d['__file__'] = f
     if hasattr(oldmod, '__version__'):
         d['__version__'] = oldmod.__version__
+    elif distribution_version(pkgname) is not None:
+        d['__version__'] = distribution_version(pkgname)
     if hasattr(oldmod, '__loader__'):
         d['__loader__'] = oldmod.__loader__
     if hasattr(oldmod, '__path__'):
@@ -59,7 +61,7 @@ def initpkg(pkgname, exportdefs, attr=dict(), eager=False):
         oldmod.__dict__.update(d)
     mod = ApiModule(pkgname, exportdefs, implprefix=pkgname, attr=d)
     sys.modules[pkgname] = mod
-    # eaerload in bypthon to avoid their monkeypatching breaking packages
+    # eagerload in bypthon to avoid their monkeypatching breaking packages
     if 'bpython' in sys.modules or eager:
         for module in sys.modules.values():
             if isinstance(module, ApiModule):

test_apipkg.py

@@ -543,3 +543,10 @@ def test_eagerload_on_bython(monkeypatch):
         apipkg.initpkg(
             'apipkg.testmodule.example.lazy',
             {'test': 'apipkg.does_not_exist'})
+
+
+def test_autoset_version_attribute_from_distribution(monkeypatch):
+    monkeypatch.setitem(sys.modules, 'setuptools', None)
+    apipkg.initpkg('setuptools', {})
+
+    assert sys.modules['setuptools'].__version__