コード例 #1
0
def publish_module(module_name,
                   stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr,
                   environ=os.environ, debug=0, request=None, response=None,
                   extra={}):
    """ Adapted from from ZPublisher.Test.publish_module:
    but we handle the response status like given from response.getStatus(),
    otherwise plone internal links will return status=200 for status=404 links,
    which will not throw an error.
    """
    must_die = 0
    status = 200
    after_list = [None]
    from ZPublisher.Response import Response
    from ZPublisher.Request import Request
    from ZPublisher.Publish import publish
    from zope.publisher.interfaces import ISkinnable
    from zope.publisher.skinnable import setDefaultSkin
    try:
        try:
            if response is None:
                response = Response(stdout=stdout, stderr=stderr)
            else:
                stdout = response.stdout

            # debug is just used by tests (has nothing to do with debug_mode!)
            response.handle_errors = not debug

            if request is None:
                request = Request(stdin, environ, response)

            # make sure that the request we hand over has the
            # default layer/skin set on it; subsequent code that
            # wants to look up views will likely depend on it
            if ISkinnable.providedBy(request):
                setDefaultSkin(request)

            for k, v in extra.items():
                request[k] = v
            response = publish(request, module_name, after_list, debug=debug)
        except (SystemExit, ImportError):
            # XXX: Rendered ImportErrors were never caught here because they
            # were re-raised as string exceptions. Maybe we should handle
            # ImportErrors like all other exceptions. Currently they are not
            # re-raised at all, so they don't show up here.
            must_die = sys.exc_info()
            request.response.exception(1)
        except Unauthorized:
            # Handle Unauthorized separately, otherwise it will be displayed as
            # a redirect to the login form
            status = 200
            response = None
        except:
            # debug is just used by tests (has nothing to do with debug_mode!)
            if debug:
                raise
            request.response.exception()
            status = response.getStatus()

        if response:
            # this is our change: otherwise 404 will return 200
            # but we only want "real" 404 - otherwise the list will get full
            # of internal links with edit-links stuff that will return 5xx
            # codes.
            if response.getStatus() in (301, 302, 404):
                status = response.getStatus()

            outputBody = getattr(response, 'outputBody', None)
            if outputBody is not None:
                outputBody()
            else:
                response = str(response)
                if response:
                    stdout.write(response)

        # The module defined a post-access function, call it
        if after_list[0] is not None:
            after_list[0]()

    finally:
        if request is not None:
            request.close()

    if must_die:
        # Try to turn exception value into an exit code.
        try:
            if hasattr(must_die[1], 'code'):
                code = must_die[1].code
            else:
                code = int(must_die[1])
        except:
            code = must_die[1] and 1 or 0
        if hasattr(request.response, '_requestShutdown'):
            request.response._requestShutdown(code)

        try:
            raise must_die[0], must_die[1], must_die[2]
        finally:
            must_die = None

    return status, response