mysql数据表自动导为python sqlalchemy可操作对象

2022-08-27 20:29:06

1、pip install sqlacodegen

pip install pymysql

在/usr/lib/python/site-packages/sqlacodegen/main.py中添加：

import pymysql

pymysql.install_as_MySQLdb()

2、创建review_models.sh文件，在文件中添加：

#!/usr/bin/env bash
sqlacodegen --noviews --noconstraints --outfile=models.py mysql://iips:iips@192.168.1.200:3306/iips

3、执行上面shell文件，将在当前目录下输出models.py，数据库iips中的表结构将转换成为sqlalchemy可操作的类对象，如下：

# coding: utf-8

from sqlalchemy import Column, DateTime, Integer, String

from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()

metadata = Base.metadata

class TBuilding(Base):

    __tablename__ = 't_building'

    id = Column(Integer, primary_key=True)

    building_code = Column(String(20), nullable=False, unique=True)

    land_code = Column(String(20), nullable=False, index=True)

    building_name = Column(String(40))

    building_area = Column(Integer)

    rent_area = Column(Integer)

    one_floor_area = Column(Integer, nullable=False)

    total_floors = Column(Integer, nullable=False)

    floor_hight = Column(Integer, nullable=False)

    loadbearing = Column(Integer, nullable=False)

    status = Column(Integer, nullable=False)

    structure = Column(String(40))

python 从数据库表生成model

找了很久才找到这个，我是新手...

现在已有建好的数据库，需要基于原有数据做数据分析的web应用，我选择python+Tornado ,由于不想写SQL语句，就想偷个懒

1、安装工具

1 ningjian@freegodly:~/code/py/django/logcloud$ sudo pip install sqlacodegen

2 Downloading/unpacking sqlacodegen

3   Downloading sqlacodegen-1.1.6-py2.py3-none-any.whl

4 Downloading/unpacking inflect>=0.2.0 (from sqlacodegen)

5   Downloading inflect-0.2.5-py2.py3-none-any.whl (58kB): 58kB downloaded

6 Requirement already satisfied (use --upgrade to upgrade): SQLAlchemy>=0.6.0 in /usr/local/lib/python2.7/dist-packages (from sqlacodegen)

7 Installing collected packages: sqlacodegen, inflect

8 Successfully installed sqlacodegen inflect

9 Cleaning up...

2、转换

ningjian@freegodly:~/code/py/django/logcloud$ sqlacodegen mssql+pymssql://name:password@ip/LogColudDB --outfile logcloude_model.py

ningjian@freegodly:~/code/py/django/logcloud$

3、查看，哈哈

ningjian@freegodly:~/code/py/django/logcloud$ cat logcloude_model.py

# coding: utf-8

from sqlalchemy import BigInteger, Column, DateTime, Float, ForeignKey, Integer, LargeBinary, T                   able, Unicode, text

from sqlalchemy.dialects.mssql.base import BIT

from sqlalchemy.orm import relationship

from sqlalchemy.ext.declarative import declarative_base

Base = declarative_base()

metadata = Base.metadata

class AuthorityInfo(Base):

    __tablename__ = 'AuthorityInfo'

    ID = Column(BigInteger, primary_key=True)

    Description = Column(Unicode('max'), nullable=False)

    IsDelete = Column(BIT, nullable=False)

    AuthorityIndex = Column(Integer, nullable=False)

    AuthorityName = Column(Unicode('max'), nullable=False)

class CPKInfoHistory(Base):

    __tablename__ = 'CPKInfoHistory'

    PO = Column(Unicode(10), primary_key=True)

    ProcessName = Column(Unicode(50), nullable=False)

    Result = Column(Unicode('max'), nullable=False)

    LastLogID = Column(BigInteger, nullable=False)

class ComputerState(Base):

    __tablename__ = 'ComputerState'

    Name = Column(Unicode(50), primary_key=True)

    Ip = Column(Unicode(50), nullable=False)

    IsDelete = Column(BIT, nullable=False)

    LastDate = Column(DateTime, nullable=False)

    IsProceted = Column(BIT, nullable=False)

class DeviceInfo(Base):

    __tablename__ = 'DeviceInfo'

    ID = Column(BigInteger, primary_key=True)

    ClientName = Column(Unicode(50), nullable=False)

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

    LinesInfo_ID = Column(ForeignKey(u'LinesInfo.ID'), nullable=False, index=True)

    LinesInfo = relationship(u'LinesInfo')

class DisposeErrorCodeInfo(Base):

    __tablename__ = 'DisposeErrorCodeInfo'

    ID = Column(BigInteger, primary_key=True)

    NewOperation = Column(Unicode('max'), nullable=False)

    Status = Column(Unicode('max'), nullable=False)

    DisposeInfo_ID = Column(ForeignKey(u'DisposeInfo.ID'), nullable=False, index=True)

    ErrorCode_Info_ID = Column(ForeignKey(u'ErrorCode_Info.ID'), nullable=False, index=True)

    ErrorCode_OperationID = Column(BigInteger, nullable=False)

    WeightValue = Column(Integer, nullable=False)

    DisposeInfo = relationship(u'DisposeInfo')

    ErrorCode_Info = relationship(u'ErrorCodeInfo')

class DisposeErrorCodeInfoHistory(Base):

    __tablename__ = 'DisposeErrorCodeInfoHistory'

    ID = Column(BigInteger, primary_key=True)

    OperateTime = Column(DateTime, nullable=False)

    OldStatus = Column(Unicode('max'), nullable=False)

    NewStatus = Column(Unicode('max'), nullable=False)

    IsDelete = Column(BIT, nullable=False)

    WeightValue = Column(Integer, nullable=False)

    UserInfo_ID = Column(ForeignKey(u'UserInfo.ID'), nullable=False, index=True)

    DisposeErrorCodeInfo_ID = Column(ForeignKey(u'DisposeErrorCodeInfo.ID'), nullable=False, in                   dex=True)

    DisposeErrorCodeInfo = relationship(u'DisposeErrorCodeInfo')

    UserInfo = relationship(u'UserInfo')

class DisposeInfo(Base):

    __tablename__ = 'DisposeInfo'

    ID = Column(BigInteger, primary_key=True)

    Operation = Column(Unicode('max'), nullable=False)

    IsOK = Column(BIT, nullable=False)

    Description = Column(Unicode(1024))

    TouchTime = Column(DateTime, nullable=False)

    NoticeInfo_ID = Column(ForeignKey(u'NoticeInfo.ID'), nullable=False, index=True)

    UserTask_ID = Column(ForeignKey(u'UserTask.ID'), nullable=False, index=True)

    NoticeInfo = relationship(u'NoticeInfo')

    UserTask = relationship(u'UserTask')

class ErrorCodeInfo(Base):

    __tablename__ = 'ErrorCode_Info'

    ID = Column(BigInteger, primary_key=True)

    ErrorCode = Column(Unicode(10), nullable=False)

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

class ErrorCodeOperation(Base):

    __tablename__ = 'ErrorCode_Operation'

    ID = Column(BigInteger, primary_key=True)

    Operation = Column(Unicode('max'), nullable=False)

    WeightValue = Column(Integer, nullable=False)

    IsEnable = Column(BIT, nullable=False)

    ErrorCode_Info_ID = Column(ForeignKey(u'ErrorCode_Info.ID'), nullable=False, index=True)

    ErrorCode_Info = relationship(u'ErrorCodeInfo')

class FilesManage(Base):

    __tablename__ = 'FilesManage'

    ID = Column(BigInteger, primary_key=True)

    ClassName = Column(Unicode(50), nullable=False, index=True)

    Md5 = Column(Unicode(32), nullable=False)

    Data = Column(LargeBinary, nullable=False)

    Ver = Column(Integer, nullable=False)

    DateCreated = Column(Unicode(50), nullable=False)

    UpLoadUserName = Column(Unicode(50), nullable=False)

    Remarks = Column(Unicode('max'))

    Catagory = Column(Unicode(50), nullable=False)

    LocalFileName = Column(Unicode(50))

class LOGInfo(Base):

    __tablename__ = 'LOG_Info'

    ID = Column(BigInteger, primary_key=True)

    Po = Column(Unicode(10), nullable=False, index=True)

    ProcessName = Column(Unicode(10), nullable=False, index=True)

    User = Column(Unicode(10), nullable=False)

    ErrorCode = Column(Unicode(10))

    Log = Column(Unicode('max'), nullable=False)

    Barcode = Column(Unicode(50))

    Isn = Column(Unicode(50))

    Shift = Column(Unicode(10), nullable=False)

    TestResult = Column(Unicode(10), nullable=False, index=True)

    LastDate = Column(DateTime, nullable=False)

    ClientName = Column(Unicode(50), nullable=False, index=True)

class LinesInfo(Base):

    __tablename__ = 'LinesInfo'

    ID = Column(BigInteger, primary_key=True)

    Name = Column(Unicode(50), nullable=False)

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

class NoticeInfo(Base):

    __tablename__ = 'NoticeInfo'

    ID = Column(BigInteger, primary_key=True)

    Top1_ErrorCodeID = Column(BigInteger, nullable=False)

    Top2_ErrorCodeID = Column(BigInteger)

    Top3_ErrorCodeID = Column(BigInteger)

    TouchTime = Column(DateTime, nullable=False)

    IsDispose = Column(BIT, nullable=False)

    TaskLavel = Column(Integer, nullable=False)

    Responsibility_ID = Column(ForeignKey(u'Responsibility.ID'), nullable=False, index=True)

    UserTask_ID = Column(ForeignKey(u'UserTask.ID'), nullable=False, index=True)

    DeviceInfo_ID = Column(ForeignKey(u'DeviceInfo.ID'), nullable=False, index=True)

    StatisticsInfo_ID = Column(BigInteger, nullable=False)

    DeviceInfo = relationship(u'DeviceInfo')

    Responsibility = relationship(u'Responsibility')

    UserTask = relationship(u'UserTask')

class POInfo(Base):

    __tablename__ = 'POInfo'

    ID = Column(BigInteger, primary_key=True)

    Po = Column(Unicode(10), nullable=False)

    Plm = Column(Unicode(20))

    ProductName = Column(Unicode(50))

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

    Customer = Column(Unicode(50))

class Responsibility(Base):

    __tablename__ = 'Responsibility'

    ID = Column(BigInteger, primary_key=True)

    ProcessName = Column(Unicode(10), nullable=False)

    BaseNumber = Column(Integer, nullable=False)

    ErrorRate = Column(Float(53), nullable=False)

    Description = Column(Unicode(1024))

    OverTime = Column(Integer, nullable=False)

    POInfo_ID = Column(ForeignKey(u'POInfo.ID'), nullable=False, index=True)

    UserInfo_ID = Column(ForeignKey(u'UserInfo.ID'), nullable=False, index=True)

    POInfo = relationship(u'POInfo')

    UserInfo = relationship(u'UserInfo')

class RoleAuthority(Base):

    __tablename__ = 'RoleAuthority'

    ID = Column(BigInteger, primary_key=True)

    IsDelete = Column(BIT, nullable=False)

    RoleInfo_ID = Column(ForeignKey(u'RoleInfo.ID'), nullable=False, index=True)

    AuthorityInfo_ID = Column(ForeignKey(u'AuthorityInfo.ID'), nullable=False, index=True)

    AuthorityInfo = relationship(u'AuthorityInfo')

    RoleInfo = relationship(u'RoleInfo')

class RoleInfo(Base):

    __tablename__ = 'RoleInfo'

    ID = Column(BigInteger, primary_key=True)

    RoleName = Column(Unicode(256), nullable=False)

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

    RoleLevel = Column(Integer, nullable=False)

class SettingInfo(Base):

    __tablename__ = 'SettingInfo'

    ID = Column(BigInteger, primary_key=True, nullable=False)

    Key = Column(Unicode(50), primary_key=True, nullable=False)

    Value = Column(Unicode('max'), nullable=False)

    Description = Column(Unicode(1024))

class StatisticsInfo(Base):

    __tablename__ = 'StatisticsInfo'

    ID = Column(BigInteger, primary_key=True)

    ProcessName = Column(Unicode(10), nullable=False)

    BeginTime = Column(DateTime, nullable=False)

    NowErrorRate = Column(Float(53), nullable=False)

    Times = Column(Integer, nullable=False)

    IsOutmoded = Column(BIT, nullable=False)

    POInfo_ID = Column(ForeignKey(u'POInfo.ID'), nullable=False, index=True)

    DeviceInfo_ID = Column(ForeignKey(u'DeviceInfo.ID'), nullable=False, index=True)

    DeviceInfo = relationship(u'DeviceInfo')

    POInfo = relationship(u'POInfo')

class UserInfo(Base):

    __tablename__ = 'UserInfo'

    ID = Column(BigInteger, primary_key=True)

    Name = Column(Unicode(10), nullable=False)

    JobNumber = Column(Unicode(10), nullable=False)

    Phone = Column(Unicode(20))

    Emil = Column(Unicode(30), nullable=False)

    Department = Column(Unicode(20))

    Duties = Column(Unicode(20))

    Description = Column(Unicode(1024))

    Group = Column(Unicode(20), nullable=False)

    IsDelete = Column(BIT, nullable=False)

    Password = Column(Unicode(32))

    CreateDateTime = Column(DateTime, nullable=False)

class UserProfile(Base):

    __tablename__ = 'UserProfile'

    UserId = Column(Integer, primary_key=True)

    UserName = Column(Unicode(56), nullable=False, unique=True)

class UserRoleInfo(Base):

    __tablename__ = 'UserRoleInfo'

    ID = Column(BigInteger, primary_key=True)

    IsDelete = Column(BIT, nullable=False)

    UserInfo_ID = Column(ForeignKey(u'UserInfo.ID'), nullable=False, index=True)

    RoleInfo_ID = Column(ForeignKey(u'RoleInfo.ID'), nullable=False, index=True)

    RoleInfo = relationship(u'RoleInfo')

    UserInfo = relationship(u'UserInfo')

class UserTask(Base):

    __tablename__ = 'UserTask'

    ID = Column(BigInteger, primary_key=True)

    TaskLavel = Column(Integer, nullable=False)

    Shift = Column(Unicode(10), nullable=False)

    Description = Column(Unicode(1024))

    IsDelete = Column(BIT, nullable=False)

    UserInfo_ID = Column(ForeignKey(u'UserInfo.ID'), nullable=False, index=True)

    LinesInfo_ID = Column(ForeignKey(u'LinesInfo.ID'), nullable=False, index=True)

    LinesInfo = relationship(u'LinesInfo')

    UserInfo = relationship(u'UserInfo')

t_view_LinesState = Table(

    'view_LinesState', metadata,

    Column('ID', BigInteger, nullable=False),

    Column('ClientName', Unicode(50), nullable=False),

    Column('LinesInfo_ID', BigInteger, nullable=False),

    Column('count', Integer)

)

t_view_LogState = Table(

    'view_LogState', metadata,

    Column('Po', Unicode(10), nullable=False),

    Column('ProcessName', Unicode(10), nullable=False),

    Column('ErrorCode', Unicode(10)),

    Column('ClientName', Unicode(50), nullable=False),

    Column('ID', BigInteger),

    Column('count', Integer)

)

t_view_NoticeInfo = Table(

    'view_NoticeInfo', metadata,

    Column('ID', BigInteger, nullable=False),

    Column('TouchTime', DateTime, nullable=False),

    Column('Top1_ErrorCodeID', BigInteger, nullable=False),

    Column('Top2_ErrorCodeID', BigInteger),

    Column('Top3_ErrorCodeID', BigInteger),

    Column('IsDispose', BIT, nullable=False),

    Column('TaskLavel', Integer, nullable=False),

    Column('ClientName', Unicode(50)),

    Column('ProcessName', Unicode(10)),

    Column('BeginTime', DateTime),

    Column('NowErrorRate', Float(53)),

    Column('Times', Integer),

    Column('IsOutmoded', BIT),

    Column('Po', Unicode(10))

)

t_view_Top1_error = Table(

    'view_Top1_error', metadata,

    Column('Top1_ErrorCodeID', BigInteger, nullable=False),

    Column('count', Integer),

    Column('ID', BigInteger, nullable=False),

    Column('ErrorCode', Unicode(10), nullable=False),

    Column('Description', Unicode(1024))

)

class WebpagesMembership(Base):

    __tablename__ = 'webpages_Membership'

    UserId = Column(Integer, primary_key=True)

    CreateDate = Column(DateTime)

    ConfirmationToken = Column(Unicode(128))

    IsConfirmed = Column(BIT, server_default=text("((0))"))

    LastPasswordFailureDate = Column(DateTime)

    PasswordFailuresSinceLastSuccess = Column(Integer, nullable=False, server_default=text("((0                   ))"))

    Password = Column(Unicode(128), nullable=False)

    PasswordChangedDate = Column(DateTime)

    PasswordSalt = Column(Unicode(128), nullable=False)

    PasswordVerificationToken = Column(Unicode(128))

    PasswordVerificationTokenExpirationDate = Column(DateTime)

class WebpagesOAuthMembership(Base):

    __tablename__ = 'webpages_OAuthMembership'

    Provider = Column(Unicode(30), primary_key=True, nullable=False)

    ProviderUserId = Column(Unicode(100), primary_key=True, nullable=False)

    UserId = Column(Integer, nullable=False)

class WebpagesRole(Base):

    __tablename__ = 'webpages_Roles'

    RoleId = Column(Integer, primary_key=True)

    RoleName = Column(Unicode(256), nullable=False, unique=True)

    UserProfile = relationship(u'UserProfile', secondary='webpages_UsersInRoles')

t_webpages_UsersInRoles = Table(

    'webpages_UsersInRoles', metadata,

    Column('UserId', ForeignKey(u'UserProfile.UserId'), primary_key=True, nullable=False),

    Column('RoleId', ForeignKey(u'webpages_Roles.RoleId'), primary_key=True, nullable=False)

)

ningjian@freegodly:~/code/py/django/logcloud$

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python 从数据库表生成model

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