[Zope-dev] zope2.12.a04 / relstorage / zodbconvert.py errors

[Jürgen Herrmann]

i successfully installed zope 2.12.0a4 via easy_install today.
startup and functionality is fine.

i installed relstorage via easy_install also, but shipped zodbconvert.py
fails with the following traceback:

Traceback (most recent call last):
  File "./lib/python2.4/site-packages/RelStorage-1.1.3-py2.4.egg/relstorage/zodbconvert.py", line
110, in ?
    main()
  File "./lib/python2.4/site-packages/RelStorage-1.1.3-py2.4.egg/relstorage/zodbconvert.py", line
68, in main
    schema = ZConfig.loadSchemaFile(StringIO(schema_xml))
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/loader.py",
line 35, in loadSchemaFile
    return SchemaLoader().loadFile(file, url)
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/loader.py",
line 75, in loadFile
    return self.loadResource(r)
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/loader.py",
line 187, in loadResource
    schema = ZConfig.schema.parseResource(resource, self)
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/schema.py",
line 27, in parseResource
    xml.sax.parse(resource.file, parser)
  File
"/home/xlhost/zope/lib/python2.4/site-packages/RelStorage-1.1.3-py2.4.egg/relstorage/__init__.py",
line 31, in parse

  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 109, in parse
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/xmlreader.py", line 123, in parse
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 216, in feed
  File "/usr/lib/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 312, in start_element
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/schema.py",
line 103, in startElement
    getattr(self, "start_" + name)(attrs)
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/schema.py",
line 306, in start_import
    src = self._loader.schemaComponentSource(pkg, file)
  File "/home/xlhost/zope/lib/python2.4/site-packages/ZConfig-2.6.1-py2.4.egg/ZConfig/loader.py",
line 215, in schemaComponentSource
    filename=file, package=package)
ZConfig.SchemaResourceError: import name does not refer to a package
  Package name: 'relstorage'
  File name: 'component.xml'
  Package path: None


a debug print before the exception is raised revealed the following:
- a "__import__('relstorage')" on line 204 of ZConfig/loader.py loads the
  module just fine.
- the test "hasattr(pkg, "__path__")" on line 211 fails.
- a "__import__('relstorage')" in my virtualenv's python interpreter imports
  the module and there it has a __path__ attribute!


in a newsgroup posting i read the following sentence:
"modules don't have __path__, only packages do." wtf???
his is as much information as i can provide. i'm somehow lost and confused now.

any hints?

thanks in advance and best regards!

jürgen
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