flask学习

学习视频https://www.bilibili.com/video/av62010252

1.pip install -r requirements.txt

requirements.txt内容

alembic==1.3.1
amqp==2.5.2
billiard==3.6.1.0
blinker==1.4
celery==4.3.0
certifi==2019.9.11
chardet==3.0.4
Click==7.0
csrf==0.1b1
Flask==1.1.1
Flask-Mail==0.9.1
Flask-Migrate==2.5.2
flask-paginate==0.5.5
Flask-Script==2.0.6
Flask-SQLAlchemy==2.4.1
Flask-WTF==0.14.2
idna==2.8
importlib-metadata==0.23
itsdangerous==1.1.0
Jinja2==2.10.3
jsonify==0.5
kombu==4.6.6
Mako==1.1.0
MarkupSafe==1.1.1
more-itertools==7.2.0
Pillow==6.2.1
PyMySQL==0.9.3
python-dateutil==2.8.1
python-editor==1.0.4
python-memcached==1.59
pytz==2019.3
qiniu==7.2.6
requests==2.22.0
shortuuid==0.5.0
six==1.13.0
SQLAlchemy==1.3.11
urllib3==1.25.7
vine==1.3.0
Werkzeug==0.16.0
WTForms==2.2.1
zipp==0.6.0

遇到问题如:

raise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

pip --default-timeout=100 install 第三方库名

2.python manage.py db init

python manage.py db migrate

python manage.py db upgrade

3.获取model.py  pip install flask-sqlacodegen

flask-sqlacodegen mysql+pymysql://username:password@db_host/db_name --tables table_name --outfile "model.py"  --flask

4.求两个列表的并交差集

https://blog.csdn.net/Sniper_LA/article/details/86482942

5.conda

装好后 虚拟命名为carapi

创建

conda create -n carapi python=3.5

查看所有的conda环境

conda env list

查看所有包

conda list

启动
conda activate carapi

停止
conda deactivate

删除

conda remove -n carapi --all


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