Backend_Script3_WebSite

Django using python 3.8 & pip3 & Virtualenv

• Virtualenv

備註 爬蟲僅需要 python2 然而網站建議用 python 3 ，前者為全域，後者建議用虛擬機。

• Prework

  上官網下載 Python3 for Mac
  
  在終端機下 whereis python3 找到 path
  

• Env Path

  $ which python3 = path
  
  $ virtualenv -p  path  proj_name
  
  KatesAndroiddeMacBook-Pro:~ katesandroid$ source proj_name/bin/activate
  (proj_name) KatesAndroiddeMacBook-Pro:~ katesandroid$ 
  
  
  (pron_name): $ pip list
  

example:

  (katesP) KatesAndroiddeMacBook-Pro:~ katesandroid$ pip list
  Package    Version
  ---------- -------
  pip        21.0.1
  setuptools 52.0.0
  wheel      0.36.2

• Leave

  (katesP) KatesAndroiddeMacBook-Pro:~ katesandroid$ deactivate
  

• Installation

  then install Django 3.1.6 =>

  (katesP) KatesAndroiddeMacBook-Pro:~ katesandroid$ pip3 install django
  
        Collecting django
          Downloading Django-3.1.6-py3-none-any.whl (7.8 MB)
             |████████████████████████████████| 7.8 MB 7.1 MB/s 
        Collecting pytz
          Downloading pytz-2021.1-py2.py3-none-any.whl (510 kB)
             |████████████████████████████████| 510 kB 4.6 MB/s 
        Collecting asgiref<4,>=3.2.10
          Downloading asgiref-3.3.1-py3-none-any.whl (19 kB)
        Collecting sqlparse>=0.2.2
          Downloading sqlparse-0.4.1-py3-none-any.whl (42 kB)
             |████████████████████████████████| 42 kB 1.6 MB/s 
        Installing collected packages: sqlparse, pytz, asgiref, django
  
        Successfully installed asgiref-3.3.1 django-3.1.6 pytz-2021.1 sqlparse-0.4.1
  

• check version =>

      python3 -m django —version
  

• to do a fake website's dir =>

     mkdir test-django
  

• cd to it

• do a fake website

  django-admin startproject site_name
  

• cd to site_name

• run server using manage.py

        python3 manage.py runserver (命令)
        //即從此文件夾內運行網站服務器
  

• 缺文件補上文件:

  ^C(katesP) KatesAndroiddeMacBook-Pro:fakeSite katesandroid$ python3 manage.py migrate
  Unknown command: 'migigrate'. Did you mean migrate?
  Type 'manage.py help' for usage.
  (katesP) KatesAndroiddeMacBook-Pro:fakeSite katesandroid$ python3 manage.py migrate
  Operations to perform:
    Apply all migrations: admin, auth, contenttypes, sessions
  
  
                  Operations to perform:
                    Apply all migrations: admin, auth, contenttypes, sessions
                  Running migrations:
                    Applying contenttypes.0001_initial... OK
                    Applying auth.0001_initial... OK
                    Applying admin.0001_initial... OK
                    Applying admin.0002_logentry_remove_auto_add... OK
                    Applying admin.0003_logentry_add_action_flag_choices... OK
                    Applying contenttypes.0002_remove_content_type_name... OK
                    Applying auth.0002_alter_permission_name_max_length... OK
                    Applying auth.0003_alter_user_email_max_length... OK
                    Applying auth.0004_alter_user_username_opts... OK
                    Applying auth.0005_alter_user_last_login_null... OK
                    Applying auth.0006_require_contenttypes_0002... OK
                    Applying auth.0007_alter_validators_add_error_messages... OK
                    Applying auth.0008_alter_user_username_max_length... OK
                    Applying auth.0009_alter_user_last_name_max_length... OK
                    Applying auth.0010_alter_group_name_max_length... OK
                    Applying auth.0011_update_proxy_permissions... OK
                    Applying auth.0012_alter_user_first_name_max_length... OK
                    Applying sessions.0001_initial... OK
  

• 補完文件後再次運行：

  $ python3 manage.py runserver
  Watching for file changes with StatReloader
  Performing system checks...
  

• 本機上運行成功：

    System check identified no issues (0 silenced).
    February 05, 2021 - 06:27:08
    Django version 3.1.6, using settings 'fakeSite.settings'
    Starting development server at http://localhost:8000/
    Quit the server with CONTROL-C.
  

• 網站的相關文件

      proj_name/site_name/    db.sqlite3	  fakeSite	    manage.py