def resolve_local_path(self, location, namespace):
"""Resolve the given namespace to one of the local standard schemas or
fallback to the external file path."""
if not location or location.startswith("http"):
ns = Namespace.get_enum(namespace)
return ns.location if ns else None
else:
return self.resolve_path(location)
def resolve_local_path(self, location: Optional[str],
namespace: Optional[str]) -> Optional[str]:
"""Resolve the given namespace to one of the local standard schemas or
fallback to the external file path."""
common_ns = Namespace.get_enum(namespace)
if common_ns:
return common_ns.location
return self.resolve_path(location)
def add(self, uri: Optional[str], prefix: Optional[str] = None):
if not uri or uri in self.items and not prefix:
return
namespace = Namespace.get_enum(uri)
prefix = namespace.prefix if namespace else prefix
if not prefix:
prefix = f"ns{self.auto_ns}"
self.auto_ns += 1
self.items[uri].add(prefix)
def resolve_local_path(self, location: Optional[str],
namespace: Optional[str]) -> Optional[str]:
"""Resolve the given namespace to one of the local standard schemas or
fallback to the external file path."""
common_ns = Namespace.get_enum(namespace)
local_path = common_ns.location if common_ns else None
if local_path and (not location or location.find("w3.org/") > 0):
return local_path
return self.resolve_path(location)
def generate_prefix(uri: str, ns_map: Dict) -> str:
"""Generate and add a prefix for the given uri in the prefix-URI namespace
mapping."""
namespace = Namespace.get_enum(uri)
if namespace:
prefix = namespace.prefix
else:
number = len(ns_map)
prefix = f"ns{number}"
ns_map[prefix] = uri
return prefix
def build_data_type(
cls, target: Class, name: str, index: int = 0, forward: bool = False
) -> AttrType:
"""Create an attribute type for the target class."""
prefix, suffix = text.split(name)
native = False
namespace = target.ns_map.get(prefix)
if Namespace.get_enum(namespace) and DataType.get_enum(suffix):
name = suffix
native = True
return AttrType(name=name, index=index, native=native, forward=forward,)
def build_data_type(
cls, target: Class, name: str, index: int = 0, forward: bool = False
) -> AttrType:
"""Create an attribute type for the target class."""
prefix, suffix = text.split(name)
namespace = target.ns_map.get(prefix, target.qname.namespace)
native = (
Namespace.get_enum(namespace) is not None
and DataType.get_enum(suffix) is not None
)
return AttrType(
qname=QName(namespace, suffix), index=index, native=native, forward=forward,
)
def build_data_type(self,
target: Class,
name: str,
index: int = 0,
forward_ref: bool = False) -> AttrType:
prefix, suffix = text.split(name)
native = False
namespace = target.ns_map.get(prefix)
if Namespace.get_enum(namespace) and DataType.get_enum(suffix):
name = suffix
native = True
return AttrType(
name=name,
index=index,
native=native,
forward_ref=forward_ref,
)
def add(self, uri: Optional[str], prefix: Optional[str] = None):
"""
Add the given uri and optional prefix to the data storage.
If the prefix is missing and the uri exists in the storage skip the process.
If the namespace is one of the common use the predefined prefix to
follow the lxml convention.
If the prefix is none assign the next auto increment prefix ns0,ns1,ns2 ...
"""
if not uri or uri in self.data and prefix is None:
return
namespace = Namespace.get_enum(uri)
prefix = namespace.prefix if namespace else prefix
if prefix is None:
prefix = f"ns{self.auto_ns}"
self.auto_ns += 1
self._ns_map = None
self.data[uri].add(prefix)
def unregister(self):
for prefix, uri in self.ns_map.items():
if prefix and not prefix.startswith("ns") and not Namespace.get_enum(uri):
register_namespace(prefix, "")
def unregister(self):
"""Remove from lxml global registry the current namespaces map."""
for prefix, uri in self.ns_map.items():
if prefix and not prefix.startswith("ns") and not Namespace.get_enum(uri):
register_namespace(prefix, "")
