execute_from_command_line函数 输入参数为['manage.py', 'runserve'] sys模块监听命令行输入 并将值放入argv 并执行 进入后 直接到达 django-core-mangement- __init__ 内 execute_from_command_line函数 执行后 ---ManagementUtility 实例化 并且执行了execute() 方法 其中 实例化 ManagementUtility 目录结构如...
可以看到 manage.py 中的main函数做了两件事,一件是导入了Django的配置文件,另外一件是将命令行的参数传入 execute_from_command_line 函数中 execute_from_command_line execute_from_command_line 函数仅仅是生成了一个 ManagementUtility 对象,并且传入了命令行参数,然后执行了 ManagementUtility.execute()就结束了 ...
4.1 当前类也有这个execute函数,但是由于继承关系(此时的self也指向Command类),子类如果已经存在该函数会覆盖执行,execute是在子类Command类中(之后由于super还会到父类里面)[约第354行] def run_from_argv(self, argv): self._called_from_command_line = True parser = self.create_parser(argv[0], argv[1])...
execute_from_command_line(sys.argv) File "/usr/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line utility.execute() File "/usr/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 312, in execute django....
execute_from_command_line(sys.argv) File "/home/GreaterWMS/env/lib/python3.9/site-packages/django/core/management/init.py", line 425, in execute_from_command_line utility.execute() File "/home/GreaterWMS/env/lib/python3.9/site-packages/django/core/management/init.py", line 401, in execute...
1、自动化office，包括对excel、word、ppt、email、pdf等常用办公场景的操作，python都有对应的工具库，...
execute_from_command_line(sys.argv) File "C:\Programs\Python\Python310\lib\site-packages\django\core\management\__init__.py", line 401, in exec ute_from_command_line utility.execute() File "C:\Programs\Python\Python310\lib\site-packages\django\core\management\__init__.py", line 345, ...
By using subprocess, you can execute shell commands like ls or dir, launch applications, and handle both input and output streams. This module provides tools for error handling and process communication, making it a flexible choice for integrating command-line operations into your Python projects....
cursor.execute('create table PRODUCTION.BIG_DATA(c1 blob, c2 clob)')print('create table success!') cursor.execute('insert into PRODUCTION.BIG_DATA values(?, ?)', bvalue, cvalue)print('insert success!') cursor.execute('select * from PRODUCTION.BIG_DATA')print('select success!') ...
Traceback(most recent call last):File"test.py",line3,in<module>importMySQLdbImportError:No module named MySQLdb 1、下载 MySQL for Python 地址:http://sourceforge.net/projects/mysql-python/files/mysql-python/ 我这里安装的是1.2.3版本 复制代码代码如下: ...