models.py
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# coding=utf-8
import base64
import os
from flask_sqlalchemy import SQLAlchemy,Model
import importlib
from sqlalchemy import Column, Integer, String, ForeignKey, Text, DateTime, Time,Float
from sqlalchemy.orm import relationship
import base64
from pyDes import *
import datetime
from app.util.component.PGUtil import PGUtil
import glob
class DES():
'''
DES密码加解密
'''
Des: des = des("Chinadci", ECB, "\0\0\0\0\0\0\0\0", pad=None, padmode=PAD_PKCS5)
@classmethod
def encode(cls, data):
return str(base64.b64encode(cls.Des.encrypt(data)), encoding="utf8")
@classmethod
def decode(cls, data):
if data:
return str(cls.Des.decrypt(base64.b64decode(data.encode("utf-8"))), encoding="utf8")
else:
return data
db = SQLAlchemy()
# 动态加载Model
module_dir = "modules"
model_pkg = "models"
current_dir = os.path.abspath(os.path.dirname(__file__))
for pkg in glob.glob('%s/%s/*/%s' % (current_dir,module_dir,model_pkg)) :
module = os.path.basename(os.path.dirname(pkg))
base_name = os.path.basename(pkg).split('.')[0]
pkg_name = ".".join(["app.modules",module,base_name])
try:
__import__(pkg_name)
except:
pass
class Table(db.Model):
'''
数据表元数据
'''
__tablename__ = 'dmdms_table'
guid = Column(String(256), primary_key=True)
# 数据源外键
database_guid = Column(String(256), ForeignKey('dmdms_database.guid'))
# 点线面123
table_type = Column(Integer)
name = Column(String(256))
alias = Column(Text)
create_time = Column(DateTime)
update_time = Column(DateTime)
feature_count = Column(Integer)
description = Column(Text)
extent = Column(Text)
#用户
creator = Column(Text)
#是否已抽稀
is_vacuate=Column(Integer,default=0)
# 目录外键
catalog_guid = Column(String(256), ForeignKey('dmdms_catalog.guid'))
relate_columns = relationship('Columns', backref='relate_table', lazy='dynamic')
relate_table_vacuates = relationship('TableVacuate', backref='relate_table', lazy='dynamic')
class TableVacuate(db.Model):
'''
sub数据表元数据
'''
__tablename__ = 'dmdms_table_vacuate'
guid = Column(String(256), primary_key=True)
name = Column(String(256))
level = Column(Integer)
pixel_distance = Column(Float)
table_guid = Column(String(256), ForeignKey('dmdms_table.guid'))
class Columns(db.Model):
'''
数据表的列
'''
__tablename__ = 'dmdms_column'
guid = Column(String(256), primary_key=True)
# 表外键
table_guid= Column(String(256), ForeignKey('dmdms_table.guid'))
name=Column(String(256))
alias = Column(String(256))
create_time = Column(DateTime)
update_time = Column(DateTime)
class Task(db.Model):
'''
任务表
'''
__tablename__ = 'dmdms_task'
guid = Column(String(256), primary_key=True)
name = Column(Text)
process = Column(Text)
create_time = Column(DateTime)
update_time = Column(DateTime)
state = Column(Integer)
# 数据源外键
database_guid = Column(String(256), ForeignKey('dmdms_database.guid'))
# 目录外键
catalog_guid = Column(String(256), ForeignKey('dmdms_catalog.guid'))
table_guid = Column(String(256))
#任务类型
task_type=Column(Integer)
creator = Column(Text)
file_name = Column(Text)
relate_processes = relationship('Process', backref='relate_task', lazy='dynamic')
# 入库参数
parameter= Column(Text)
class Process(db.Model):
'''
过程信息表
'''
__tablename__ = 'dmdms_process'
guid = Column(String(256), primary_key=True)
# 任务外键
task_guid = Column(String(256), ForeignKey('dmdms_task.guid'))
time = Column(DateTime)
message = Column(Text)
class Catalog(db.Model):
'''
目录表
'''
__tablename__ = 'dmdms_catalog'
guid = Column(String(256), primary_key=True)
database_guid = Column(String(256), ForeignKey('dmdms_database.guid'))
pguid = Column(String(256))
path = Column(Text)
name = Column(String(256))
sort = Column(Integer)
description = Column(Text)
relate_tables = relationship('Table', backref='relate_catalog', lazy='dynamic')
relate_tasks = relationship('Task', backref='relate_catalog', lazy='dynamic')
class Database(db.Model):
'''
数据源表
'''
__tablename__ = 'dmdms_database'
guid = Column(String(256), primary_key=True)
name = Column(String(256))
alias = Column(String(256))
sqlalchemy_uri = Column(String(256))
description = Column(Text)
# 唯一性约束,不能注册相同连接的库
connectstr= Column(Text,unique=True)
creator = Column(String(256))
create_time = Column(DateTime)
update_time = Column(DateTime)
relate_catalogs = relationship('Catalog', backref='relate_database', lazy='dynamic')
relate_tables = relationship('Table', backref='relate_database', lazy='dynamic')
relate_tasks = relationship('Task', backref='relate_database', lazy='dynamic')
class InsertingLayerName(db.Model):
'''
正在入库的数据
'''
__tablename__ = 'dmdms_iln'
guid = Column(String(256), primary_key=True)
task_guid = Column(String(256))
name = Column(String(256))