[jira] [Resolved] (AIRFLOW-1565) Incompatibility with Flask-Login-0.4.0

["Ash Berlin-Taylor (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AIRFLOW-1565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ash Berlin-Taylor resolved AIRFLOW-1565.
----------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.9.0

> Incompatibility with Flask-Login-0.4.0
> --------------------------------------
>
>                 Key: AIRFLOW-1565
>                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1565
>             Project: Apache Airflow
>          Issue Type: Bug
>    Affects Versions: 1.8.2
>            Reporter: dud
>            Priority: Minor
>             Fix For: 1.9.0
>
>
> Hello
> I've notice that Airflow v1.8.2 isn't playing well with flask_login v0.4.0 :
> {code}
> $ pip install --user flask_login==0.4.0
> Collecting flask_login==0.4.0
>   Using cached Flask_Login-0.4.0-py2.py3-none-any.whl
> Requirement already satisfied: Flask in ./.local/lib/python2.7/site-packages (from flask_login==0.4.0)
> Requirement already satisfied: itsdangerous>=0.21 in ./.local/lib/python2.7/site-packages (from Flask->flask_login==0.4.0)
> Requirement already satisfied: Jinja2>=2.4 in ./.local/lib/python2.7/site-packages (from Flask->flask_login==0.4.0)
> Requirement already satisfied: Werkzeug>=0.7 in ./.local/lib/python2.7/site-packages (from Flask->flask_login==0.4.0)
> Requirement already satisfied: click>=2.0 in ./.local/lib/python2.7/site-packages (from Flask->flask_login==0.4.0)
> Requirement already satisfied: MarkupSafe>=0.23 in ./.local/lib/python2.7/site-packages (from Jinja2>=2.4->Flask->flask_login==0.4.0)
> Installing collected packages: flask-login
>   Found existing installation: Flask-Login 0.3.2
>     Uninstalling Flask-Login-0.3.2:
>       Successfully uninstalled Flask-Login-0.3.2
> Successfully installed flask-login-0.4.0
> $ airflow webserver
> [2017-09-05 14:30:50,130] {dag_processing.py:627} INFO - Started a process (PID: 22751) to generate tasks for /home/airflow/dags/metadsp/APB_process_table/airflow.py - logging into /var/log/airflow/scheduler/2017-09-05
> [2017-09-05 14:30:50,133] {dag_processing.py:627} INFO - Started a process (PID: 22752) to generate tasks for /home/airflow/dags/metadsp/APN_segment_manager/segment_manager_factory.py - logging into /var/log/airflow/sc
> [2017-09-05 14:30:50,134] {jobs.py:1443} INFO - Heartbeating the executor
> 2017-09-05 14:30:50,192] {__init__.py:57} INFO - Using executor CeleryExecutor
> [2017-09-05 14:30:50,252] {driver.py:120} INFO - Generating grammar tables from /usr/lib/python2.7/lib2to3/Grammar.txt
> [2017-09-05 14:30:50,273] {driver.py:120} INFO - Generating grammar tables from /usr/lib/python2.7/lib2to3/PatternGrammar.txt
> /home/airflow/.local/lib/python2.7/site-packages/airflow/www/app.py:23: FlaskWTFDeprecationWarning: "flask_wtf.CsrfProtect" has been renamed to "CSRFProtect" and will be removed in 1.0.
> csrf = CsrfProtect()
> /home/airflow/.local/lib/python2.7/site-packages/flask_cache/jinja2ext.py:33: ExtDeprecationWarning: Importing flask.ext.cache is deprecated, use flask_cache instead.
> from flask.ext.cache import make_template_fragment_key
> ____________       _____________
> ____    |__( )_________  __/__  /________      __
> ____  /| |_  /__  ___/_  /_ __  /_  __ \_ | /| / /
> ___  ___ |  / _  /   _  __/ _  / / /_/ /_ |/ |/ /
> _/_/  |_/_/  /_/    /_/    /_/  \____/____/|__/
> Traceback (most recent call last):
> File "/home/airflow/bin/airflow", line 28, in <module>
> args.func(args)
> File "/home/airflow/.local/lib/python2.7/site-packages/airflow/bin/cli.py", line 734, in webserver
> app = cached_app(conf)
> File "/home/airflow/.local/lib/python2.7/site-packages/airflow/www/app.py", line 161, in cached_app
> app = create_app(config)
> File "/home/airflow/.local/lib/python2.7/site-packages/airflow/www/app.py", line 60, in create_app
> from airflow.www import views
> File "/home/airflow/.local/lib/python2.7/site-packages/airflow/www/views.py", line 41, in <module>
> from flask_login import flash
> ImportError: cannot import name flash
> $ python -c "from flask_login import flash"
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
> ImportError: cannot import name flash
> {code}
> -Downgrading to flask_login==0.3.2 fixes the issue.-
> EDIT : Downgrading to flask_login==0.2.11 fixes the issue.
> Due to :
> {quote}
> Version 0.3.0
> -------------
> Released on September 10th, 2015
> [...]
> - BREAKING: The `is_authenticated`, `is_active`, and `is_anonymous` members of the user class are now properties, not methods. Applications should update their user classes accordingly.
> {quote}
> Airflow isn't working with flask_login >= v0.3.0 either.
> dud



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