Added db context handling

This commit is contained in:
Sven Heidemann 2021-03-29 13:25:15 +02:00
parent 41ddc86961
commit 31793fb290
21 changed files with 206 additions and 25 deletions

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@ -1,3 +1 @@
- dbContext!!!
- templates for better Di using!
- app-runtime -> app-env
- dbContext!!!

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@ -6,6 +6,10 @@ from sqlalchemy.orm import Session
class DatabaseContextABC(ABC):
@abstractmethod
def __init__(self, *args):
pass
@property
@abstractmethod
def engine(self) -> engine: pass

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@ -1,12 +1,14 @@
from typing import Union, Type, Callable, Optional
from cpl.configuration.configuration_abc import ConfigurationABC
from cpl.database.context import DatabaseContextABC
from cpl.database.database_settings import DatabaseSettings
from cpl.database.context.database_context_abc import DatabaseContextABC
from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
from cpl.dependency_injection.service_collection_abc import ServiceCollectionABC
from cpl.dependency_injection.service_descriptor import ServiceDescriptor
from cpl.dependency_injection.service_lifetime_enum import ServiceLifetimeEnum
from cpl.dependency_injection.service_provider import ServiceProvider
from cpl.utils.credential_manager import CredentialManager
class ServiceCollection(ServiceCollectionABC):
@ -36,8 +38,9 @@ class ServiceCollection(ServiceCollectionABC):
self._service_descriptors.append(ServiceDescriptor(service, lifetime))
def add_db_context(self, db_context: Type[DatabaseContextABC]):
pass
def add_db_context(self, db_context_type: Type[DatabaseContextABC], db_settings: DatabaseSettings):
db_context = db_context_type(db_settings)
db_context.connect(CredentialManager.build_string(db_settings.connection_string, db_settings.credentials))
def add_singleton(self, service_type: Union[type, object], service: Union[type, object] = None):
if service is not None:

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@ -2,6 +2,7 @@ from abc import abstractmethod, ABC
from collections import Callable
from typing import Type
from cpl.database.database_settings import DatabaseSettings
from cpl.database.context.database_context_abc import DatabaseContextABC
from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
@ -16,10 +17,11 @@ class ServiceCollectionABC(ABC):
pass
@abstractmethod
def add_db_context(self, db_context: Type[DatabaseContextABC]):
def add_db_context(self, db_context: Type[DatabaseContextABC], db_settings: DatabaseSettings):
"""
Adds database context
:param db_context:
:param db_settings:
:return:
"""
pass

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@ -6,6 +6,15 @@ def test_spinner():
time.sleep(2)
def test_console():
Console.write_line('Hello World')
Console.write('\nName: ')
Console.write_line(' Hello', Console.read_line())
Console.clear()
Console.write_at(5, 5, 'at 5, 5')
Console.write_at(10, 10, 'at 10, 10')
if __name__ == '__main__':
Console.write_line('Hello World\n')
Console.spinner('Test:', test_spinner, spinner_foreground_color=ForegroundColorEnum.cyan,
@ -25,5 +34,6 @@ if __name__ == '__main__':
# cursor_foreground_color=ForegroundColorEnum.red
# )
# Console.write_line(f'You selected: {selected}')
# test_console()
Console.write_line()

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@ -0,0 +1,8 @@
{
"LoggingSettings": {
"Path": "logs/",
"Filename": "log_$start_time.log",
"ConsoleLogLevel": "TRACE",
"FileLogLevel": "TRACE"
}
}

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@ -0,0 +1,22 @@
{
"TimeFormatSettings": {
"DateFormat": "%Y-%m-%d",
"TimeFormat": "%H:%M:%S",
"DateTimeFormat": "%Y-%m-%d %H:%M:%S.%f",
"DateTimeLogFormat": "%Y-%m-%d_%H-%M-%S"
},
"LoggingSettings": {
"Path": "logs/",
"Filename": "log_$start_time.log",
"ConsoleLogLevel": "TRACE",
"FileLogLevel": "TRACE"
},
"DatabaseSettings": {
"AuthPlugin": "mysql_native_password",
"ConnectionString": "mysql+mysqlconnector://sh_cpl:$credentials@localhost/sh_cpl",
"Credentials": "MHZhc0Y2bjhKc1VUMWV0Qw==",
"Encoding": "utf8mb4"
}
}

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@ -0,0 +1,22 @@
{
"TimeFormatSettings": {
"DateFormat": "%Y-%m-%d",
"TimeFormat": "%H:%M:%S",
"DateTimeFormat": "%Y-%m-%d %H:%M:%S.%f",
"DateTimeLogFormat": "%Y-%m-%d_%H-%M-%S"
},
"LoggingSettings": {
"Path": "logs/",
"Filename": "log_$start_time.log",
"ConsoleLogLevel": "TRACE",
"FileLogLevel": "TRACE"
},
"DatabaseSettings": {
"AuthPlugin": "mysql_native_password",
"ConnectionString": "mysql+mysqlconnector://sh_cpl:$credentials@localhost/sh_cpl",
"Credentials": "MHZhc0Y2bjhKc1VUMWV0Qw==",
"Encoding": "utf8mb4"
}
}

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@ -0,0 +1,15 @@
{
"TimeFormatSettings": {
"DateFormat": "%Y-%m-%d",
"TimeFormat": "%H:%M:%S",
"DateTimeFormat": "%Y-%m-%d %H:%M:%S.%f",
"DateTimeLogFormat": "%Y-%m-%d_%H-%M-%S"
},
"LoggingSettings": {
"Path": "logs/",
"Filename": "log_$start_time.log",
"ConsoleLogLevel": "ERROR",
"FileLogLevel": "WARN"
}
}

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@ -0,0 +1,41 @@
{
"ProjectSettings": {
"Name": "database",
"Version": {
"Major": "0",
"Minor": "0",
"Micro": "0"
},
"Author": "",
"AuthorEmail": "",
"Description": "",
"LongDescription": "",
"URL": "",
"CopyrightDate": "",
"CopyrightName": "",
"LicenseName": "",
"LicenseDescription": "",
"Dependencies": [
"sh_cpl==2021.4.2.dev1"
],
"PythonVersion": ">=3.9.2",
"PythonPath": {
"linux": ""
},
"Classifiers": []
},
"BuildSettings": {
"SourcePath": "src",
"OutputPath": "dist",
"Main": "main",
"EntryPoint": "database",
"IncludePackageData": false,
"Included": [],
"Excluded": [
"*/__pycache__",
"*/logs",
"*/tests"
],
"PackageData": {}
}
}

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@ -0,0 +1,24 @@
from typing import Optional
from cpl.application import ApplicationABC
from cpl.configuration import ConfigurationABC
from cpl.console import Console
from cpl.dependency_injection import ServiceProviderABC
from cpl.logging import LoggerABC
class Application(ApplicationABC):
def __init__(self, config: ConfigurationABC, services: ServiceProviderABC):
ApplicationABC.__init__(self, config, services)
self._logger: Optional[LoggerABC] = None
def configure(self):
self._logger = self._services.get_service(LoggerABC)
def main(self):
self._logger.header(f'{self._configuration.environment.application_name}:')
self._logger.debug(__name__, f'Host: {self._configuration.environment.host_name}')
self._logger.debug(__name__, f'Environment: {self._configuration.environment.environment_name}')
self._logger.debug(__name__, f'Customer: {self._configuration.environment.customer}')

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@ -0,0 +1,14 @@
from cpl.application import ApplicationBuilder
from application import Application
from startup import Startup
def main():
app_builder = ApplicationBuilder(Application)
app_builder.use_startup(Startup)
app_builder.build().run()
if __name__ == '__main__':
main()

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@ -0,0 +1,35 @@
from cpl.application import StartupABC
from cpl.configuration import ConfigurationABC
from cpl.database import DatabaseSettings
from cpl.dependency_injection import ServiceProviderABC, ServiceCollectionABC
from cpl.logging import LoggerABC, Logger
from model.db_context import DBContext
class Startup(StartupABC):
def __init__(self, config: ConfigurationABC, services: ServiceCollectionABC):
StartupABC.__init__(self)
self._configuration = config
self._environment = self._configuration.environment
self._services = services
def configure_configuration(self) -> ConfigurationABC:
self._configuration.add_environment_variables('PYTHON_')
self._configuration.add_environment_variables('CPL_')
self._configuration.add_console_arguments()
self._configuration.add_json_file(f'appsettings.json')
self._configuration.add_json_file(f'appsettings.{self._configuration.environment.environment_name}.json')
self._configuration.add_json_file(f'appsettings.{self._configuration.environment.host_name}.json', optional=True)
return self._configuration
def configure_services(self) -> ServiceProviderABC:
# Create and connect to database
db_settings: DatabaseSettings = self._configuration.get_configuration(DatabaseSettings)
self._services.add_db_context(DBContext, db_settings)
self._services.add_singleton(LoggerABC, Logger)
return self._services.build_service_provider()

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@ -0,0 +1 @@
# imports:

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@ -28,15 +28,6 @@ class Application(ApplicationABC):
mail.body = 'Dies ist ein Test :D'
self._mailer.send_mail(mail)
def test_console(self):
self._logger.debug(__name__, 'Started console_old model')
Console.write_line('Hello World')
Console.write('\nName: ')
Console.write_line(' Hello', Console.read_line())
Console.clear()
Console.write_at(5, 5, 'at 5, 5')
Console.write_at(10, 10, 'at 10, 10')
@staticmethod
def _wait(time_ms: int):
time.sleep(time_ms)
@ -54,4 +45,3 @@ class Application(ApplicationABC):
test: TestService = self._services.get_service(TestService)
test.run()
# self.test_send_mail()
# self.test_console()

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@ -1,14 +1,11 @@
from cpl.application.startup_abc import StartupABC
from cpl.configuration.configuration_abc import ConfigurationABC
from cpl.database.context.database_context import DatabaseContext
from cpl.database.database_settings import DatabaseSettings
from cpl.dependency_injection.service_collection_abc import ServiceCollectionABC
from cpl.dependency_injection.service_provider_abc import ServiceProviderABC
from cpl.logging.logger_service import Logger
from cpl.logging.logger_abc import LoggerABC
from cpl.mailing.email_client_service import EMailClient
from cpl.mailing.email_client_abc import EMailClientABC
from cpl.utils.credential_manager import CredentialManager
from tests.custom.general.test_service import TestService
@ -31,11 +28,6 @@ class Startup(StartupABC):
return self._configuration
def configure_services(self) -> ServiceProviderABC:
# Create and connect to database
# db_settings: DatabaseSettings = self._configuration.get_configuration(DatabaseSettings)
# self._services.add_db_context(DatabaseContext)
# db.connect(CredentialManager.build_string(db_settings.connection_string, db_settings.credentials))
self._services.add_singleton(LoggerABC, Logger)
self._services.add_singleton(EMailClientABC, EMailClient)
self._services.add_singleton(TestService)