def openPackageResource(package, path):
__import__(package)
pkg = sys.modules[package]
try:
loader = pkg.__loader__
except AttributeError:
relpath = os.path.join(*path.split("/"))
for dir in pkg.__path__:
filename = os.path.join(dir, relpath)
if os.path.exists(filename):
break
else:
raise ZConfig.SchemaResourceError("schema component not found",
filename=path,
package=package,
path=pkg.__path__)
url = "file:" + pathname2url(filename)
url = ZConfig.url.urlnormalize(url)
return urllib2.urlopen(url)
else:
for dir in pkg.__path__:
loadpath = os.path.join(dir, path)
try:
return StringIO.StringIO(
loader.get_data(loadpath).decode('utf-8'))
except Exception:
pass
raise ZConfig.SchemaResourceError("schema component not found",
filename=path,
package=package,
path=pkg.__path__)
def openPackageResource(package, path):
__import__(package)
pkg = sys.modules[package]
try:
loader = pkg.__loader__
except AttributeError:
relpath = os.path.join(*path.split("/"))
for dirname in pkg.__path__:
filename = os.path.join(dirname, relpath)
if os.path.exists(filename):
break
else:
raise ZConfig.SchemaResourceError("schema component not found",
filename=path,
package=package,
path=pkg.__path__)
url = "file:" + pathname2url(filename)
url = ZConfig.url.urlnormalize(url)
return urllib2.urlopen(url)
else:
v, tb = (None, None)
for dirname in pkg.__path__:
loadpath = os.path.join(dirname, path)
try:
return StringIO(loader.get_data(loadpath).decode('utf-8'))
except Exception as e:
v = ZConfig.SchemaResourceError(
"error opening schema component: " + repr(e),
filename=path,
package=package,
path=pkg.__path__)
tb = sys.exc_info()[2]
if v is not None:
try:
reraise(type(v), v, tb)
finally:
del tb
raise ZConfig.SchemaResourceError("schema component not found",
filename=path,
package=package,
path=pkg.__path__)
def schemaComponentSource(self, package, filename):
parts = package.split(".")
if not parts: # pragma: no cover
raise ZConfig.SchemaError("illegal schema component name: " +
repr(package))
if "" in parts:
# '' somewhere in the package spec; still illegal
raise ZConfig.SchemaError("illegal schema component name: " +
repr(package))
filename = filename or "component.xml"
try:
__import__(package)
except ImportError as e:
raise ZConfig.SchemaResourceError("could not load package %s: %s" %
(package, str(e)),
filename=filename,
package=package)
pkg = sys.modules[package]
if not hasattr(pkg, "__path__"):
raise ZConfig.SchemaResourceError(
"import name does not refer to a package",
filename=filename,
package=package)
return "package:%s:%s" % (package, filename)
def schemaComponentSource(self, package, file):
parts = package.split(".")
if not parts:
raise ZConfig.SchemaError(
"illegal schema component name: " + `package`)
if "" in parts:
# '' somewhere in the package spec; still illegal
raise ZConfig.SchemaError(
"illegal schema component name: " + `package`)
file = file or "component.xml"
try:
__import__(package)
except ImportError, e:
raise ZConfig.SchemaResourceError(
"could not load package %s: %s" % (package, str(e)),
filename=file,
package=package)
class SchemaLoader(BaseLoader):
def __init__(self, registry=None):
if registry is None:
registry = ZConfig.datatypes.Registry()
BaseLoader.__init__(self)
self.registry = registry
self._cache = {}
def loadResource(self, resource):
if resource.url and self._cache.has_key(resource.url):
schema = self._cache[resource.url]
else:
schema = ZConfig.schema.parseResource(resource, self)
self._cache[resource.url] = schema
return schema
# schema parser support API
def schemaComponentSource(self, package, file):
parts = package.split(".")
if not parts:
raise ZConfig.SchemaError("illegal schema component name: " +
` package `)
if "" in parts:
# '' somewhere in the package spec; still illegal
raise ZConfig.SchemaError("illegal schema component name: " +
` package `)
file = file or "component.xml"
try:
__import__(package)
except ImportError, e:
raise ZConfig.SchemaResourceError("could not load package %s: %s" %
(package, str(e)),
filename=file,
package=package)
pkg = sys.modules[package]
if not hasattr(pkg, "__path__"):
raise ZConfig.SchemaResourceError(
"import name does not refer to a package",
filename=file,
package=package)
return "package:%s:%s" % (package, file)
