ayon-core/openpype/pipeline/load/plugins.py

295 lines
8.6 KiB
Python

import os
import logging
from openpype.settings import get_system_settings, get_project_settings
from openpype.pipeline import (
schema,
legacy_io,
)
from openpype.pipeline.plugin_discover import (
discover,
register_plugin,
register_plugin_path,
deregister_plugin,
deregister_plugin_path
)
from .utils import get_representation_path_from_context
class LoaderPlugin(list):
"""Load representation into host application
Arguments:
context (dict): avalon-core:context-1.0
.. versionadded:: 4.0
This class was introduced
"""
families = []
representations = []
extensions = {"*"}
order = 0
is_multiple_contexts_compatible = False
enabled = True
options = []
log = logging.getLogger("SubsetLoader")
log.propagate = True
@classmethod
def apply_settings(cls, project_settings, system_settings):
host_name = os.environ.get("AVALON_APP")
plugin_type = "load"
plugin_type_settings = (
project_settings
.get(host_name, {})
.get(plugin_type, {})
)
global_type_settings = (
project_settings
.get("global", {})
.get(plugin_type, {})
)
if not global_type_settings and not plugin_type_settings:
return
plugin_name = cls.__name__
plugin_settings = None
# Look for plugin settings in host specific settings
if plugin_name in plugin_type_settings:
plugin_settings = plugin_type_settings[plugin_name]
# Look for plugin settings in global settings
elif plugin_name in global_type_settings:
plugin_settings = global_type_settings[plugin_name]
if not plugin_settings:
return
print(">>> We have preset for {}".format(plugin_name))
for option, value in plugin_settings.items():
if option == "enabled" and value is False:
print(" - is disabled by preset")
else:
print(" - setting `{}`: `{}`".format(option, value))
setattr(cls, option, value)
@classmethod
def has_valid_extension(cls, repre_doc):
"""Has representation document valid extension for loader.
Args:
repre_doc (dict[str, Any]): Representation document.
Returns:
bool: Representation has valid extension
"""
if "*" in cls.extensions:
return True
# Get representation main file extension from 'context'
repre_context = repre_doc.get("context") or {}
ext = repre_context.get("ext")
if not ext:
# Legacy way how to get extensions
path = repre_doc.get("data", {}).get("path")
if not path:
cls.log.info(
"Representation doesn't have known source of extension"
" information."
)
return False
cls.log.debug("Using legacy source of extension from path.")
ext = os.path.splitext(path)[-1].lstrip(".")
# If representation does not have extension then can't be valid
if not ext:
return False
valid_extensions_low = {ext.lower() for ext in cls.extensions}
return ext.lower() in valid_extensions_low
@classmethod
def is_compatible_loader(cls, context):
"""Return whether a loader is compatible with a context.
On override make sure it is overriden as class or static method.
This checks the version's families and the representation for the given
loader plugin.
Args:
context (dict[str, Any]): Documents of context for which should
be loader used.
Returns:
bool: Is loader compatible for context.
"""
plugin_repre_names = cls.get_representations()
plugin_families = cls.families
if (
not plugin_repre_names
or not plugin_families
or not cls.extensions
):
return False
repre_doc = context.get("representation")
if not repre_doc:
return False
plugin_repre_names = set(plugin_repre_names)
if (
"*" not in plugin_repre_names
and repre_doc["name"] not in plugin_repre_names
):
return False
if not cls.has_valid_extension(repre_doc):
return False
plugin_families = set(plugin_families)
if "*" in plugin_families:
return True
subset_doc = context["subset"]
maj_version, _ = schema.get_schema_version(subset_doc["schema"])
if maj_version < 3:
families = context["version"]["data"].get("families")
else:
families = subset_doc["data"].get("families")
if families is None:
family = subset_doc["data"].get("family")
if family:
families = [family]
if not families:
return False
return any(family in plugin_families for family in families)
@classmethod
def get_representations(cls):
return cls.representations
@classmethod
def filepath_from_context(cls, context):
return get_representation_path_from_context(context)
def load(self, context, name=None, namespace=None, options=None):
"""Load asset via database
Arguments:
context (dict): Full parenthood of representation to load
name (str, optional): Use pre-defined name
namespace (str, optional): Use pre-defined namespace
options (dict, optional): Additional settings dictionary
"""
raise NotImplementedError("Loader.load() must be "
"implemented by subclass")
def update(self, container, representation):
"""Update `container` to `representation`
Arguments:
container (avalon-core:container-1.0): Container to update,
from `host.ls()`.
representation (dict): Update the container to this representation.
"""
raise NotImplementedError("Loader.update() must be "
"implemented by subclass")
def remove(self, container):
"""Remove a container
Arguments:
container (avalon-core:container-1.0): Container to remove,
from `host.ls()`.
Returns:
bool: Whether the container was deleted
"""
raise NotImplementedError("Loader.remove() must be "
"implemented by subclass")
@classmethod
def get_options(cls, contexts):
"""
Returns static (cls) options or could collect from 'contexts'.
Args:
contexts (list): of repre or subset contexts
Returns:
(list)
"""
return cls.options or []
@property
def fname(self):
"""Backwards compatibility with deprecation warning"""
self.log.warning((
"DEPRECATION WARNING: Source - Loader plugin {}."
" The 'fname' property on the Loader plugin will be removed in"
" future versions of OpenPype. Planned version to drop the support"
" is 3.16.6 or 3.17.0."
).format(self.__class__.__name__))
if hasattr(self, "_fname"):
return self._fname
class SubsetLoaderPlugin(LoaderPlugin):
"""Load subset into host application
Arguments:
context (dict): avalon-core:context-1.0
name (str, optional): Use pre-defined name
namespace (str, optional): Use pre-defined namespace
"""
def discover_loader_plugins(project_name=None):
from openpype.lib import Logger
log = Logger.get_logger("LoaderDiscover")
plugins = discover(LoaderPlugin)
if not project_name:
project_name = legacy_io.active_project()
system_settings = get_system_settings()
project_settings = get_project_settings(project_name)
for plugin in plugins:
try:
plugin.apply_settings(project_settings, system_settings)
except Exception:
log.warning(
"Failed to apply settings to loader {}".format(
plugin.__name__
),
exc_info=True
)
return plugins
def register_loader_plugin(plugin):
return register_plugin(LoaderPlugin, plugin)
def deregister_loader_plugin(plugin):
deregister_plugin(LoaderPlugin, plugin)
def deregister_loader_plugin_path(path):
deregister_plugin_path(LoaderPlugin, path)
def register_loader_plugin_path(path):
return register_plugin_path(LoaderPlugin, path)