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import logging as log
from typing import List
from datetime import datetime, timezone
from zoneinfo import ZoneInfo
from pydantic import BaseModel
from sqlalchemy import inspect
from sqlalchemy.orm import Session, class_mapper
from pilab.crud.Util import from_json, update_attrs
from pilab.schemas.Image import ImageType, ScriptType, UserDataType
from pilab.events import meta
log.getLogger('sqlalchemy.engine').setLevel(log.WARNING)
class Image(object):
@staticmethod
def create(db: Session, **kwargs):
db_image = from_json(ImageType, kwargs, change=datetime.now(timezone.utc))
db.add(db_image)
db.flush()
return db_image.id
@staticmethod
def delete(db: Session, image_id: int):
db_image = db.query(ImageType).filter(
ImageType.id == image_id
).first()
if db_image:
db.delete(db_image)
db.flush()
@staticmethod
def get(db: Session, _id: int = None, name: str = None, version: str = None, username: str = None):
"""Returns images from the postgres database. List or single image.
filter by id to get specific image.
filter by name to get all images with name
filter by name and version to get specific image. Version without name will be omitted.
filter by username to get all public images and user specific images. Get all images if None
"""
def process_images(data):
if isinstance(data, list):
images = []
for image in data or []:
image.change = image.change.replace(tzinfo=ZoneInfo('UTC'))
if username is None or image.public or image.owner == username:
images.append(meta.Image(
**vars(image)))
return images
else:
image = data
if image:
image.change = image.change.replace(tzinfo=ZoneInfo('UTC'))
return meta.Image(
**vars(image)) if username is None or image.public or data.owner == username else None
else:
return None
if _id:
db_image = db.query(ImageType).filter(ImageType.id == _id).first()
return process_images(db_image)
elif name and not version:
db_images = db.query(ImageType).filter(ImageType.name == name).all()
return process_images(db_images)
elif name and version:
db_image = db.query(ImageType).filter(
ImageType.name == name,
ImageType.version == version
).first()
return process_images(db_image)
else:
db_images = db.query(ImageType).all()
return process_images(db_images)
@staticmethod
def update_size(db: Session, image_id: int, size: int):
db_image = db.query(ImageType).filter(
ImageType.id == image_id
).first()
db_image.size = size
db_image.change = datetime.now(timezone.utc)
db.flush()
return
@staticmethod
def update_script(db: Session, image_id: int, script_id: int):
db_image = db.query(ImageType).filter(
ImageType.id == image_id
).first()
db_image.script_id = script_id
db_image.change = datetime.now(timezone.utc)
db.flush()
return
@staticmethod
def get_id(db: Session, name: str, version: str):
db_image = db.query(ImageType).filter(
ImageType.name == name,
ImageType.version == version
).first()
if db_image:
return db_image.id
else:
return None
@staticmethod
def is_valid_id(db: Session, image_id: int):
cube = db.query(ImageType).filter(
ImageType.id == image_id).first()
return True if cube else False
class UserData(object):
@staticmethod
def create(db: Session, data: str, owner: str):
db_data = UserDataType(
data=data,
owner=owner
)
db.add(db_data)
db.flush()
return meta.UserData(**vars(db_data))
@staticmethod
def update(db: Session, data: str, _id: int):
db_data = db.query(UserDataType).filter(
UserDataType.id == _id).first()
if db_data:
db_data.data = data
db.flush()
return meta.UserData(**vars(db_data))
@staticmethod
def delete(db: Session, _id: int):
db_data = db.query(UserDataType).filter(UserDataType.id == _id).first()
if db_data:
db.delete(db_data)
db.flush()
@staticmethod
def get(db: Session, _id: int = None, owner: str = None):
if _id:
db_data = db.query(UserDataType).filter(UserDataType.id == _id).first()
return meta.UserData(**vars(db_data))
elif owner:
db_datas = db.query(UserDataType).filter(UserDataType.owner == owner).all()
return [meta.UserData(**vars(data)) for data in db_datas]
else:
db_datas = db.query(UserDataType).all()
return [meta.UserData(**vars(data)) for data in db_datas]
@staticmethod
def is_valid_id(db: Session, _id: int):
db_data = db.query(UserDataType).filter(
UserDataType.id == _id).first()
return True if db_data else False
class Script(object):
@staticmethod
def create(db: Session, script: str, script_chroot: str, owner: str, name: str, read_only: bool):
db_script = ScriptType(
owner=owner,
name=name,
read_only=read_only,
script=script,
script_chroot=script_chroot
)
db.add(db_script)
db.flush()
return meta.Script(**vars(db_script))
@staticmethod
def update(db: Session, script_id: int, script: str = None, script_chroot: str = None, name: str = None):
db_script = db.query(ScriptType).filter(ScriptType.id == script_id).first()
if script:
db_script.script = script
if script_chroot:
db_script.script_chroot = script_chroot
if name:
db_script.name = name
db.flush()
return meta.Script(**vars(db_script))
@staticmethod
def delete(db: Session, script_id: int):
db_script = db.query(ScriptType).filter(
ScriptType.id == script_id
).first()
if db_script:
db.delete(db_script)
db.flush()
@staticmethod
def get(db: Session, script_id: int = None, name: str = None):
if script_id:
db_script = db.query(ScriptType).filter(ScriptType.id == script_id).first()
return meta.Script(**vars(db_script)) if db_script else None
elif name:
db_script = db.query(ScriptType).filter(ScriptType.name == name).first()
return meta.Script(**vars(db_script)) if db_script else None
else:
db_scripts = db.query(ScriptType).all()
return [meta.Script(**vars(p)) for p in db_scripts]
@staticmethod
def is_valid_id(db: Session, script_id: int):
script = db.query(ScriptType).filter(
ScriptType.id == script_id).first()
return True if script else False