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pipeline.py
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pipeline.py
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import os
import json
import tempfile
import atexit
import pyblish.api
from openpype.pipeline import (
register_creator_plugin_path,
legacy_io,
)
from openpype.host import HostBase, IPublishHost
ROOT_DIR = os.path.dirname(os.path.dirname(
os.path.abspath(__file__)
))
PUBLISH_PATH = os.path.join(ROOT_DIR, "plugins", "publish")
CREATE_PATH = os.path.join(ROOT_DIR, "plugins", "create")
class TrayPublisherHost(HostBase, IPublishHost):
name = "traypublisher"
def install(self):
os.environ["AVALON_APP"] = self.name
legacy_io.Session["AVALON_APP"] = self.name
pyblish.api.register_host("traypublisher")
pyblish.api.register_plugin_path(PUBLISH_PATH)
register_creator_plugin_path(CREATE_PATH)
def get_context_title(self):
return HostContext.get_project_name()
def get_context_data(self):
return HostContext.get_context_data()
def update_context_data(self, data, changes):
HostContext.save_context_data(data)
def set_project_name(self, project_name):
# TODO Deregister project specific plugins and register new project
# plugins
os.environ["AVALON_PROJECT"] = project_name
legacy_io.Session["AVALON_PROJECT"] = project_name
legacy_io.install()
HostContext.set_project_name(project_name)
class HostContext:
_context_json_path = None
@staticmethod
def _on_exit():
if (
HostContext._context_json_path
and os.path.exists(HostContext._context_json_path)
):
os.remove(HostContext._context_json_path)
@classmethod
def get_context_json_path(cls):
if cls._context_json_path is None:
output_file = tempfile.NamedTemporaryFile(
mode="w", prefix="traypub_", suffix=".json"
)
output_file.close()
cls._context_json_path = output_file.name
atexit.register(HostContext._on_exit)
print(cls._context_json_path)
return cls._context_json_path
@classmethod
def _get_data(cls, group=None):
json_path = cls.get_context_json_path()
data = {}
if not os.path.exists(json_path):
with open(json_path, "w") as json_stream:
json.dump(data, json_stream)
else:
with open(json_path, "r") as json_stream:
content = json_stream.read()
if content:
data = json.loads(content)
if group is None:
return data
return data.get(group)
@classmethod
def _save_data(cls, group, new_data):
json_path = cls.get_context_json_path()
data = cls._get_data()
data[group] = new_data
with open(json_path, "w") as json_stream:
json.dump(data, json_stream)
@classmethod
def add_instance(cls, instance):
instances = cls.get_instances()
instances.append(instance)
cls.save_instances(instances)
@classmethod
def get_instances(cls):
return cls._get_data("instances") or []
@classmethod
def save_instances(cls, instances):
cls._save_data("instances", instances)
@classmethod
def get_context_data(cls):
return cls._get_data("context") or {}
@classmethod
def save_context_data(cls, data):
cls._save_data("context", data)
@classmethod
def get_project_name(cls):
return cls._get_data("project_name")
@classmethod
def set_project_name(cls, project_name):
cls._save_data("project_name", project_name)
@classmethod
def get_data_to_store(cls):
return {
"project_name": cls.get_project_name(),
"instances": cls.get_instances(),
"context": cls.get_context_data(),
}
def list_instances():
return HostContext.get_instances()
def update_instances(update_list):
updated_instances = {}
for instance, _changes in update_list:
updated_instances[instance.id] = instance.data_to_store()
instances = HostContext.get_instances()
for instance_data in instances:
instance_id = instance_data["instance_id"]
if instance_id in updated_instances:
new_instance_data = updated_instances[instance_id]
old_keys = set(instance_data.keys())
new_keys = set(new_instance_data.keys())
instance_data.update(new_instance_data)
for key in (old_keys - new_keys):
instance_data.pop(key)
HostContext.save_instances(instances)
def remove_instances(instances):
if not isinstance(instances, (tuple, list)):
instances = [instances]
current_instances = HostContext.get_instances()
for instance in instances:
instance_id = instance.data["instance_id"]
found_idx = None
for idx, _instance in enumerate(current_instances):
if instance_id == _instance["instance_id"]:
found_idx = idx
break
if found_idx is not None:
current_instances.pop(found_idx)
HostContext.save_instances(current_instances)
def get_context_data():
return HostContext.get_context_data()
def update_context_data(data, changes):
HostContext.save_context_data(data)