Re: Creating a new Django project, Stuck with the very first steps

Hi,

First of all - you need to make sure you are using the python 3 version for everything - you can't mix and match python versions. So make sure that python 3 is the version you are using for everything,

Second - python 3.5.2 is an old version of python 3 - you need at least version 3.6 for django 3.0 - and that could also be the issue with the other requirements. I would recommend upgrading to at least version 3.6, but preferably the latest python 3 version (3.8). Then you shouldn't have any issues with this?

Regards,

Andréas

Den tis 24 mars 2020 kl 12:11 skrev Rodolphe Gohard <rg1693@gmail.com>:

Hello, I am wanting to create a django project.

I followed the instructions on installing django here:https://docs.djangoproject.com/en/3.0/intro/install/ and here: https://docs.djangoproject.com/en/3.0/intro/tutorial01/

But I have encountered multiple problems and am stuck.

My env:

Ubuntu on WSL
python 2.7
python 3.5.2

Here is the steps I took so far:

# create the venv
sudo apt-get install python3-venv
python3 -m venv pythonenv
source ./pythonenv/bin/activate


python -m pip install Django
# until there it works


# now, I can't run django-admin startproject diagnosis-admin, fails everytime with a new errors


# pbs with secrets <- pyopenssl <- wheel <- libs
sudo apt-get install build-essential libssl-dev libffi-dev python3-dev  
pip install wheel
pip install pyopenssl


sudo apt-get install libsasl2-dev python-dev libldap2-dev libssl-dev
pip install secrets


django-admin startproject diagnosis-admin

it still fails with an error I don't know what to do with:

(pythonenv) rodolphe@PHP140:~/dev/assistance-tool/diagnosis-admin$ django-admin startproject diagnosis-admin
Traceback (most recent call last):
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/base.py", line 328, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/base.py", line 369, in execute
    output = self.handle(*args, **options)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/commands/startproject.py", line 18, in handle
    options['secret_key'] = get_random_secret_key()
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/utils.py", line 82, in get_random_secret_key
    return get_random_string(50, chars)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/utils/crypto.py", line 46, in get_random_string
    return ''.join(secrets.choice(allowed_chars) for i in range(length))
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/utils/crypto.py", line 46, in <genexpr>
    return ''.join(secrets.choice(allowed_chars) for i in range(length))
AttributeError: module 'secrets' has no attribute 'choice'


During handling of the above exception, another exception occurred:


Traceback (most recent call last):
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/bin/django-admin", line 11, in <module>
    sys.exit(execute_from_command_line())
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
    utility.execute()
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/__init__.py", line 395, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/core/management/base.py", line 341, in run_from_argv
    connections.close_all()
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/db/utils.py", line 225, in close_all
    for alias in self:
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/db/utils.py", line 219, in __iter__
    return iter(self.databases)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/utils/functional.py", line 48, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/mnt/c/Users/gohard.r/dev/assistance-tool/diagnosis-admin/pythonenv/lib/python3.5/site-packages/django/utils/functional.py", line 22, in func
    'Cannot use cached_property instance without calling '
TypeError: Cannot use cached_property instance without calling __set_name__() on it.
(pythonenv) rodolphe@PHP140:~/dev/assistance-tool/diagnosis-admin$ python --version
Python 3.5.2

I didn't expect so many steps and missing/wrong dependencies, so I guess there must be something wrong in the env, or django/python version, but not sure where to look.

Can anyone help ?

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