How to solve SyntaxError on autogenerated manage py

Question

I m following the Django tutorial https   docs djangoproject com es 1 10 intro tutorial01    I ve created a  mysite  dummy project  my very first one  and try to test it without altering it   django-admin startproject mysite cd mysite python manage py runserver  File  manage py   line 14   from exc   SyntaxError  invalid syntax   I m getting a SyntaxError on a file that was generated by the system itself  And I seem unable to find anyone else who has gone through the same issue   I ll add some data of my setup in case it may be of use    vpython --version Python 2 7 12   pip --version pip 9 0 1 from  home frank  local lib python2 7 site-packages  python 2 7    python -m django --version 1 10 6   Can somebody please help me   Update  adding contents of autogenerated manage py  cat manage py     usr bin env python3 import os import sys  if   name         main         os environ setdefault  DJANGO SETTINGS MODULE    mysite settings       try          from django core management import execute from command line     except ImportError as exc          raise ImportError               Couldn t import Django  Are you sure it s installed and                available on your PYTHONPATH environment variable  Did you                forget to activate a virtual environment             from exc     execute from command line sys argv

User · Answer

Solved my problem too when I activated my virtual environment using   source bin activate

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The following could be the possible reasons   1  The virtual environment is not enabled 2  The virtual environment is enabled but the python version is different   To create virtual environment    virtualenv --python python3 venv   To activate the virtual environment    source venv bin activate

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The error is generated by using a later version of Django with an old python  probably of version 2 x   To fix this I had to delete the  venv folder and recreate it with virtualenv -p python3  venv  amp  amp  source  venv bin activate

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It seems you have more than one version of Python on your computer  Try and remove one and leave the only version you used to develop your application   If need be  you can upgrade your version  but ensure you have only one version of Python on your computer   I hope this helps

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You can solve this by adapting the code in your manage py file to the following    usr bin env python import os import sys   if   name       quot   main   quot       os environ setdefault  quot DJANGO SETTINGS MODULE quot    quot djangochallenge settings quot       try          from django core management import execute from command line     except ImportError          try              import django         except ImportError              raise ImportError                   quot Couldn t import Django  Are you sure it s installed and  quot                   quot available on your PYTHONPATH environment variable  Did you  quot                   quot forget to activate a virtual environment  quot                        raise     execute from command line sys argv   and your server should work fine

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Make sure which python version you connect the django with  Make sure to activate the virtual env if you are using any    When you install django using just   pip install django    then you have to run   python manage py startapp  lt yourApp name gt    else if you have used    pip3 install django   then you have to run    python3 manage py startapp  lt yourapp name gt    Refer

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I had the exact same error  but then I later found out that I forget to activate the conda environment which had django and other required packages installed    Solution  Create a conda or virtual environment with django installed   and activate it before you use the command     python manage py migrate

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I solved this problem to uninstall the multiple version of Python  Check Django Official Documentation for Python compatibility   quot Python compatibility Django 2 1 supports Python 3 5  3 6  and 3 7  Django 2 0 is the last version to support Python 3 4  quot  manage py file    usr bin env python import os import sys  if   name         main        os environ setdefault  DJANGO SETTINGS MODULE    work settings      try         from django core management import execute from command line    except ImportError as exc        raise ImportError           quot Couldn t import Django  Are you sure it s installed and  quot           quot available on your PYTHONPATH environment variable  Did you  quot           quot forget to activate a virtual environment  quot          from exc     execute from command line sys argv   If removing  quot from exc quot  from second last line of this code will generate another error due to multiple versions of Python

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I was experiencing the same but this was solved by running with specific python 3 6 as below   python3 6 manage py runserver

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Just activate your virtual environment

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For future readers      I too had the same issue  Turns out installing Python directly from website as well as having another version from Anaconda caused this issue  I had to uninstall Python2 7 and only keep anaconda as the sole distribution

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It s best to create a virtual environment and run your Django code inside this virtual environment  this helps in not changing your existing environments  Here are the basic steps to start with the virtual environment and Django    Create a new Directory and cd into it   mkdir test   cd test Install and Create a Virtual environment   python3 -m pip install virtualenv virtualenv venv -p python3 Activate Virtual Environment  source venv bin activate Install Django  pip install django Start a new project  django-admin startproject myproject cd to your project and Run Project   cd myproject   python manage py runserver You can see your project here   http   127 0 0 1 8000

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I landed on the same exact exception because I forgot to activate the virtual environment

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you should activate your virtual environment    In terminal -  source env bin activate  now there will be ----   env  in your terminal displayed    now it will work -  runserver    No need to delete exc part

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You must activate virtual environment where you have installed django  Then run this command  - python manage py runserver

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For running Python version 3  you need to use python3 instead of python   So  the final command will be   python3 manage py runserver

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I solved same situation   INSTALLED VERSION  python 3 6  django 2 1   SITUATION  I installed Node js in Windows 10  After python manage py runserver caused error   ERROR  File  manage py   line 14   from exc   SyntaxError  invalid syntax   REASON  My python path changed to python-2 7 from python-3 6   3 6 is correct in my PC    SOLUTION  Fix python path

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activate env by the Following Command    source  pathetoYourEnv bin activate   then run command  python manage py runserver

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Activate your virtual environment then try collecting static files  that should work    source venv bin activate   python manage py collectstatic

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We have to create a virtual environment inside the project  not outside the project    Then it will solve

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Just do   pipenv shell  then repeat   python manage py runserver  and don t delete from exc as suggested above   cheers

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I had same problem and could solve it  It is related to the version of Django you ve installed  some of them are not supported by python 2 7  If you have installed Django with pip  it means that you are installing the latest version of that which probably is not supported in python 2 7  You can get more information about it here  I would suggest to python 3 or specify the version of Django during installing  which is 1 11 for python 2 7

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After testing with precise instructions  using python2 or python3 instead of just  python   I ve constated that no matter what the tutorial says  this works ONLY with python3

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just you describe your python version     python3 5 manage py runserver      my python version 3 5

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You can try with python3 manage py runserver  It works for me

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Its a simple solution actually one i just ran into  Did you activate your virtual environment   my terminal screenshot

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You should start your Virtual Environment   how to do it   first with terminal cd into the directory containing manage py  then type  source  lt myvenv gt  bin activate replace  with you Virtual Environment name  without angular brackets   Another issue can that your root directory and venv mis-match  The structure should be something like this    -website        facebook        manage py        myvenv        some other files   That is your virtual environment and manage py should be in the same folder  Solution to that is to restart the project  If you are facing this error you must haven t coded anything yet  so restart

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The solution is straightforward  the exception from manage py is because when running the command with python  Django is unable to predict the exact python version  say you may have 3 6  3 5  3 8 and maybe just one of this versions pip module was used to install Django to resolve this either use     manage py  enter code here  lt command gt    or using the exact python version x x  stands   pythonx x manage py  lt command gt    else the use of virtual environments can come in handy because its relates any pip django module easily to python version   create env with pyenv or virtualenv activate  e g in virtualenv    virtualenv env  run using python manage py command

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I had this issue  Mac  and followed the instructions on the below page to install and activate the virtual environment  https   packaging python org guides installing-using-pip-and-virtual-environments        cd   top-level-django-project-dir          python3 -m pip install --user virtualenv        python3 -m venv env        source env bin activate   Once I had installed and activated the virtual env I checked it       which python   Then I installed django into the virtual env       pip install django   And then I could run my app       python3 manage py runserver   When I got to the next part of the tutorial       python manage py startapp polls   I encountered another error         File  manage py   line 16       from exc                   SyntaxError  invalid syntax   I removed   from exc   and it then created the polls directory

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Have you entered the virtual environment for django  Run python -m venv myvenv if you have not yet installed

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The django-admin maybe the wrong file I met the same problem which I did not found on a different computer the same set-up flow     After comparing two project  I found several difference at manage py and settings py  then I realized I created 2 0 django project but run it with python2   runwhich django-adminin iterm   Library Frameworks Python framework Versions 3 6 bin django-admin   It looks like I got a django-admin in python3 which I didn t know why So I tried to get the correct django-amin     pip show django   then I got  Name  Django Version  1 11a1 Summary  A high-level Python Web framework that encourages rapid development and clean  pragmatic design  Home-page  https   www djangoproject com  Author  Django Software Foundation Author-email  foundation djangoproject com License  BSD Location   Library Python 2 7 site-packages Requires  pytz   In Library Python 2 7 site-packages  I found the django-admin   Library Python 2 7 site-packages django bin django-admin py   So I created project again by   Library Python 2 7 site-packages django bin django-admin py startproject myproject   then run  cd myproject python manage py runserver   succeeded

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Same issue occurred to me But what I did was  Just Replaced  python manage py runserver  with python3 manage py runserver  in the terminal macOsX   Because I am using Python version 3 x

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I was also getting the same error    Then I went back to the folder where the environment folder is there and I forgot to activate a Virtual environment so only I was getting this error    Go to that folder and activate the virtual environment     source env bin activate

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Also  the tutorial recommends that a virtual environment is used  see Django documentation  https   docs djangoproject com en 2 0 topics install  installing-official-release    You can do this with pipenv --three  Once you ve installed django with pipenv install django and activated your virtual environment with pipenv shell  python will refer to python3 when executing python manage py runserver    Pipenv documentation  https   pipenv kennethreitz org

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What am I wondering is though the django is installed to the container it may not be in the host machine where you are running the command  Then how will the command run  So since no above solutions worked for me   I found out the running container and get into the running container using docker exec -it  lt container gt  bash  then ran the command inside docker container  As we have the volumed container the changes done will also reflect locally  What ever command is to be run can be run inside the running container

[python] How to solve SyntaxError on autogenerated manage.py?

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