django inventory management

The Evan children's shoes in QQ group share a very interesting blog http://note.youdao.com/noteshare?id=a60709c00fe88cd09155a2ef50815281 probably how to use flask call A maintenance management system implemented by the Powershell API.The beans are drawn with a gourd and a simple interface is successfully implemented with Django. Use the bootstrap template to get a front-end page, the

If you want to prevent certain sensitive data from being seen, being modified, and so on, we generally add permissions to the Django code. Write in the Code: @permission_required ("Auth.add_permission", login_url= '/login/', raise_exception=true) @login_required # The first parameter is: ' Model.per_name ' # The second parameter is: If the user is not logged in, turn to this URL # The third parameter is: If you do not have this permission, return a 4

There are many CMS systems based on the Django platform, and Django's own authorization module can realize simple function approval, and the approval of complex process cannot be realized, because of the powerful gene of Python language, the self-made wheel, constructs a workflow management module. First article, check.Figure 1-1 Workflow Model definitionFigure 1-2-1 Workflow Node definition-basic informati

Tags: creating database creat Test Django error type Sage LTE ring MySQL DatabaseCreate database character encoded text in Django via modelsThe default character encoding in the MySQL database is latin1, and the following error type occurs when inserting Chinese ' \xe4\xb8\xad\xe6\x96\x87 ' for ' CName ' at row 1 Change the character set of the table in the database and database at this point, with the fol

in forms.py and let it inherit forms.selectmultiple to rewrite:class Multipleselectwithpop (forms. Selectmultiple): def render (self, name, *args, * *Kwargs) := Super ( Multipleselectwithpop, self). Render (Name, *args, * *kwargs )= render_to_string (" rightmanage/popupplus.html", {'field'multiple ': True} ' )return html+popupplusThird, let the related fields inherit this class to achieve landscape selection.classRightmanagefatform (forms. Modelform):def __init__(Self,

1. Project creation related work reference front2. Define the database structure in the models.py fileImport django.db Import ModelsClass RegisterUser (models. Model): username=models. Charfield (max_length=30) = models. Filefield (upload_to='./upload/') def__unicode__ (self): return Self.username3. Build the DatabasePython manage.py syncdb4 running the Development Server access Administrator interfaceLinux under development Python

Reference:Http://www.crazyant.net/1005.htmlhttp://gmingzhe.blog.51cto.com/810664/163051All fields, default Blank=false, so all are required cannot be emptyAll fields, default Null=false, front-end fields automatically insert empty strings (date, time, and numeric fields do not accept empty strings, for these three types, either display a default value, or display a set null=true)Create a new admin.py in the app directory to register the MODELS,EG that requires background management:From models i

Now I have lunch at the company and take-out together with everyone. When I had dinner in partnership, I had to pay for it. I started using excel and later I made one in java. Unfortunately, I could only access it on a single machine, I recently learned python, so I want to use the admin module of django to create one. I used freemind to sort out my ideas. I wrote modle at home over the weekend, and a simple Bill

): menu_gp_id = item[' menu_id '] if menu_gp_id: # menu Group Add active menu_dict[menu_gp_id][' active '] = True else: # In-group menu list add menu_dict[item[' id ']][' Active '] = True result = {} for item in Menu_dict.values (): active = item.get (' active ') menu_id = Item [' menu_id '] If menu_id in result:result[menu_id][' Children '].append ({' title ': item[' title '], ' url ': item[' url '), ' active ': active}) if active:result[menu_id][' active '] = True else:result[menu_id] =

This article shares with you the main isDjangoTo enable the management site related content, come together to see it, I hope to everyoneLearningDjango has helped. Lab Environment: Win10operating system,Python2.7,Django1.10.3,MariaDB Windows Database driver: mysql-python-1.2.3.win32-py2.7.exeor mysql-python-1.2.3.win-amd64-py2.7.exe To Create a project:Open the command line, switch to the experiment directory, create the projectDj_admin 1.win+R,inputc

Tags: ima char ret input color settings add record __str__ regAdmin is a Django-brought database management tool, an appIn admin.py, you can customize the class to make the Admin Database Administration page show the information you want to seemodels.py fromDjango.dbImportModels#Create your models here.classBook (models. Model): Title= Models. Charfield (max_length=32) Price= Models. Decimalfield (max_digit

Static files management Static files refer to files such as css, javascript, and images. In the development phase: 1. Add 'django. contrib. staticfiles' in settings to set INSTALLED_APPS '. 2. Set STATIC_URL to '/static /'. 3. Place the static files used by an app to my_app/static/my_app, for example, my_app/static/my_ap.my_image.jpg. Of course, it can also be directly stored in my_app/static, but in this c

commands to create the table in turn Python manage.py makemigrationsPython manage.py Migrate To create a site user: Python manage.py Createsuperuser Start Django:pyhon manage.py runserver 0.0.0.0:9999 This allows you to log on to the site on your browser http://192.168.177.130:9999/admin Enter the user and password you just created to enter for management: Editing the admin.py file in the/mysite/myapp directory will appear in the site page: #-*-Cod

Meta in Model:3 PrintPublisher.objects.filter (name='Zhouxy', city='Changchun')#equivalent to using the where and the and keyword in SQL4 PrintPublisher.objects.filter (name__contains='Zhouxy') [0:2]#The SQL default = operator is an exact match, the field __contains is equivalent to the like in SQL, and the slice operator is equivalent to offset in SQL. Limit:5 PrintPublisher.objects.get (name='Zxyyxzshine', id=2)#get a single objectIt is easy to understand the comparison notes. Filter () is eq

functionsdefEdit_author (Request):#1. Get the ID you want to edit firstedit_id = Request. Get.get ('ID')#get the ID you want to edit for the first timeAuthor_obj = Author.objects.get (id=edit_id)#get an Orm object to edit the author of the table ifRequest.method = ='POST': Edit_author_name= Request. Post.get ('author_name') Edit_book_ids= Request. Post.getlist ('Book_obj_ids')#Get the dataAuthor_obj.name= Edit_author_name#Modify AuthorAuthor_obj.save ()#Change your watch to save it.Author_ob

项目中经常会遇到用户权限管理的问题，django adminsite已经提供非常实用的用户权限管理机制。不过有些时候，我们希望根据相关用户属性来过滤adminsite中显示的内容。下文将结束如何实现：Original classSuppose I have such a questionnaire class, based on this class can be implemented to delete and change the functionclass wenjuan(models.Model): """ 问卷 """ name=models.CharField(u'问卷名称',max_length=128) breif=models.TextField(u'问卷简介') zhichixinxi=models.TextField(u'支持信息',default=u'技术支持',null=True,blank=True) danwei=model

Managing Static Files CSS, pictures, js are static files in the project Configuring Static Files Defining static content in the settings file STATIC_URL = ‘/static/‘STATICFILES_DIRS = [ os.path.join(BASE_DIR, ‘static‘),] Create a static directory under the project root and create a directory for the current app name mysite/static/myapp/ You can use hard-coded in templates /static/my_app/myexample.jpg Static encoding can be used in templates { % load stati

1. Create Projectdjango-admin.py Startproject NewProjectAfter completing the last step, you can find that a folder named NewProject, a manage.py file, is generated under the NewProject folder.The NewProject folder also contains 4 files:__init__.pysetting.pyurls.pywsgi.pyProject is now complete!2. Modify the file#vim urls.pyFrom django.conf.urls.defaults import patterns, include, url# Uncomment the next lines to enable the admin:From Django.contrib Import adminAdmin.autodiscover ()Urlpatterns = P

Tags: run trap bootstra sed style key ase Roo 127.0.0.1In the Flask project, establish a models.py in the configuration database as follows: 1 #-*-coding:utf-8-*- 2 ImportOS3 fromFlaskImportFlask4 fromItsdangerousImportTimedjsonwebsignatureserializer as Serializer5 fromFlaskImportCurrent_app6 from.ImportDB7 fromFlask_sqlalchemyImportSQLAlchemy8 fromWerkzeug.securityImportGenerate_password_hash, Check_password_hash9 fromFlask_loginImportusermixinTen fromFlask_loginImportlogin_required One

Tags: method open except Set port sync run database har1.vim settings.py inside Open Installed_apps below django.contrib.admin (that is, uncomment)2.vim urls.py Open the top from django.contrib import admin and Admin.autodiscover () and the following URL (R ' ^admin/', include ( Admin.site.urls)),3.vim blog/models.pyFrom django.db import ModelsSex_choice= (#这里定义了一个选择的二元组, the preceding information for the display, followed by a hint(' F ', ' Famale '),(' m ', ' Male '),)Class User (Models,model)