我是 Airflow 新手。我按照此处提供的说明进行操作:https://www.youtube.com/watch?v=SYOUbiGtGiU&t=49s
第 1 步:控制面板 |程序和功能 |打开或关闭 Windows 功能
启用:适用于 Linux 的 Windows 子系统
第 2 步:从 Windows 商店安装 Ubuntu 并重新启动系统
第 3 步:安装和更新 PIP
sudo apt-get install software-properties-common
sudo apt-add-repository universe
sudo apt-get update
sudo apt-get install python-pip
第 4 步:安装 Airflow
export SLUGIFY_USES_TEXT_UNIDECODE=yes
pip install apache-airflow
第 5 步:初始化数据库
airflow initdb
之后我得到一个错误:
[2019-09-30 17:46:37,888] {__init__.py:51} INFO - Using executor SequentialExecutor
Traceback (most recent call last):
File "/usr/local/bin/airflow", line 22, in <module>
from airflow.bin.cli import CLIFactory
File "/usr/local/lib/python2.7/dist-packages/airflow/bin/cli.py", line 68, in <module>
from airflow.www_rbac.app import cached_app as cached_app_rbac
File "/usr/local/lib/python2.7/dist-packages/airflow/www_rbac/app.py", line 26, in <module>
from flask_appbuilder import AppBuilder, SQLA
File "/home/barys_rutman/.local/lib/python2.7/site-packages/flask_appbuilder/__init__.py", line 5, in <module>
from .base import AppBuilder
File "/home/barys_rutman/.local/lib/python2.7/site-packages/flask_appbuilder/base.py", line 5, in <module>
from .api.manager import OpenApiManager
File "/home/barys_rutman/.local/lib/python2.7/site-packages/flask_appbuilder/api/__init__.py", line 11, in <module>
from marshmallow_sqlalchemy.fields import Related, RelatedList
File "/home/barys_rutman/.local/lib/python2.7/site-packages/marshmallow_sqlalchemy/__init__.py", line 1, in <module>
from .schema import TableSchemaOpts, ModelSchemaOpts, TableSchema, ModelSchema
File "/home/barys_rutman/.local/lib/python2.7/site-packages/marshmallow_sqlalchemy/schema.py", line 101
class TableSchema(ma.Schema, metaclass=TableSchemaMeta):
^
SyntaxError: invalid syntax
任何想法如何解决它?
最佳答案
有几种方法可以解决这个问题,我认为最简单的方法是 切换到 Python 3 (这也是推荐的,因为 Python 2 的时间不多了:Python 2.7 Countdown)。修改您的一些设置步骤(我必须说这些是盲目的步骤,因为我没有测试它们):
sudo apt-get install python3
sudo apt-get install python3-pip
pip3 install apache-airflow
sudo mv /usr/bin/python /usr/bin/python.orig
sudo ln -s python3 /usr/bin/python
关于python - 由于语法无效, Airflow initdb 失败,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58170529/