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121 lines
7.3 KiB
Python
121 lines
7.3 KiB
Python
# *****************************************************************************
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# CODING STYLE > MAKING YOUR CODE READABLE
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# *****************************************************************************
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# 1. Avoid abbreviating variable names.
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# 2. Write out your function argument names.
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# 3. Document your classes and methods.
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# 4. Comment your code.
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# 5. Refactor repeated lines of code into reusable functions or methods.
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# 6. Keep functions and methods short. A good rule of thumb is that scrolling
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# should not be necessary to read an entire function or method.
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# TIP: Use Flake8 for Checking Code Quality.
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# *****************************************************************************
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# CODING STYLE > THE WORD ON IMPORTS
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# *****************************************************************************
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# Imports should be grouped in the following order:
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# 1. Standard library imports.
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# 2. Core Django imports.
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# 3. Third-party app imports.
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# 4. Imports from your apps.
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# Use explicit relative imports.
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# Avoid using import *
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# *****************************************************************************
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# CODING STYLE > OTHERS
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# *****************************************************************************
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# Use underscores in URL pattern names rather than dashes.
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# *****************************************************************************
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# CODING STYLE > DATABASE
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# *****************************************************************************
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# 1.Register your app in admin file in your app folder to use admin panel in django
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# 2.Create a superuser using command python manage.py createsuperuser
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# 3.Remember to migrate after you change anything in your models.py file
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# 4.Use /admin/ page to add data in your tables for testing purpose
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# *****************************************************************************
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# Deployment
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# *****************************************************************************
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# add your media, database, venv, __pycache__ to the .gitignore (there is a compelete list that you can find here: https://github.com/jpadilla/django-project-template/blob/master/.gitignore)
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# keep migration files in the git (you will need to migrate them in target server)
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# don't run "makemigrations" in the target server (you will need to just run "migrate")
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# $ pip freeze > requirements.txt
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# make appropriate changes in your project settings.py file (change DEBUG to False and etc)
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# push your code to your git-server
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# pull your code in your target server
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# give right permissions to the web-server (e.g. $ chown www-data:www-data -R /var/www/myproject)
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# make a new venv in the target server and activate it
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# $ sudo pip install -r requirements.txt
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# sudo ./venv/bin/python3 manage.py migrate
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# restart your web-server (in case of apache: $ sudo service apache2 restart)
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# *****************************************************************************
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# DJANGO-ADMIN
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# *****************************************************************************
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django-admin check # Checks the entire django project for potential problems
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django-admin changepassword <username> # Allows changing a user’s password. It prompts you to enter a new password twice for the given user.
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django-admin clearsessions # Can be run as a cron job or directly to clean out expired sessions.
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django-admin collectstatic # Helps to collect all the static files in the one mentioned directory
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django-admin createsuperuser # Creates a superuser account (a user who has all permissions).
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django-admin compilemessages # Compiles .po files to .mo files for use with builtin gettext support
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django-admin createcachetable # Creates the tables needed to use the SQL cache backend.
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django-admin dbshell # Runs the command-line client for specified database, or the default database if none is provided.
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django-admin diffsettings # Displays differences between the current settings.py and Django's default settings.
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django-admin dumpdata # Output the contents of the database as a fixture of the given format (using each model's default manager unless --all is specified).
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django-admin flush # Removes ALL DATA from the database, including data added during migrations. Does not achieve a "fresh install" state.
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django-admin inspectdb # Introspects the database tables in the given database and outputs a Django model module.
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django-admin loaddata # Installs the named fixture(s) in the database.
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django-admin makemessages # Runs over the entire source tree of the current directory and pulls out all strings marked for translation. It creates (or updates) a message file in the conf/locale (in the django tree) or locale (for projects and applications) directory. You must run this command with one of either the --locale, --exclude, or --all options.
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django-admin help # display usage information and a list of the commands provided by each application
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django-admin makemigrations # create new migrations to the database based on the changes detected in the models
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django-admin migrate # synchronize the database state with your current state project models and migrations
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django-admin remove_stale_contenttypes # Deletes stale content types (from deleted models) in your database.y.
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django-admin runserver <port> # start the development webserver at 127.0.0.1 with the port <port> default 8000
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django-admin sendtestemail # Sends a test email to the email addresses specified as arguments.
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django-admin shell # Runs a Python interactive interpreter. Tries to use IPython or bpython, if one of them is available. Any standard input is executed as code.
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django-admin showmigrations # Shows all available migrations for the current project.
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django-admin sqlflush # Returns a list of the SQL statements required to return all tables in the database to the state they were in just after they were installed.
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django-admin sqlmigrate # Prints the SQL statements for the named migration.
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django-admin sqlsequencereset # Prints the SQL statements for resetting sequences for the given app name(s).
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django-admin squashmigrations # Squashes an existing set of migrations (from first until specified) into a single new one.
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django-admin startapp <Appname> # create a new django application with the specified name
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django-admin startproject <ProjectName> # create a new project directory structure
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django-admin testserver # Runs a development server with data from the given fixture(s).
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django-admin version # display the current django version
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# *****************************************************************************
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# Starting a django project in python3
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# *****************************************************************************
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# 1. $ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py; python3 get-pip.py
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# 2. $ pip install virtualenv
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# 3. $ mkdir django-projects
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# 4. $ cd django-projects
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# 5. $ virtualenv venv
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# 6. $ source venv/bin/activate
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# 7. $ pip install django
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# 8. $ django-admin startproject myproject
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# 9. $ django-admin startapp myapp
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# 10. $ python manage.py runserver
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