django web开发指南源码

The Leave application --------------------- (Obsolete ?) This note shows how to use the GoFlow workflow engine. Settings.py: ------------ 1. Standard settings: INSTALLED_APPS = ( .... 'django.contrib.workflow', # uses the workflow engine 'leavedemo.leave', # the leave application ) 2. Specific settings: WF_APPS_PREFIX = 'leavedemo' This is the url prefix for workflow application definition; for example, in the workflow definition the application "app1" is mapped on the url "/leavedemo/app1" WF_PUSH_APPS_PREFIX = 'leavedemo.leave.pushapplications' this is the module containing the push applications functions; for example, the push application "pushapp1" is a function defined as following in the leavedemo/leave/pushapplications.py module: def pushapp1(workitem): ... return aUser urls.py: -------- 1. Starting a workflow instance: the "start_application" is a handler that display a form used to create an instance of the workflow process: usage: (r'^leavedemo/request/$', 'django.contrib.workflow.applications.start_application', {'process_name':'leave', 'form_class':RequestForm, 'template':'start_leave.html'}), (r'^leavedemo/checkstatus/$', 'django.contrib.workflow.applications.application_form', {'form_class':ApprovalForm, 'template':'checkstatus.html', 'submit_name':'approval'}), (r'^leavedemo/refine/$', 'django.contrib.workflow.applications.application_form', {'form_class':RequestForm, 'template':'refine.html'}), (r'^leavedemo/approvalform/$', 'django.contrib.workflow.applications.application_form', {'form_class':ApprovalForm, 'template':'approval.html', 'submit_name':'approval'}), (r'^leavedemo/hrform/$', 'django.contrib.workflow.applications.simple_application', {'template':'hrform.html'}), (r'^leavedemo/finalinfo/$', 'django.contrib.workflow.applications.simple_application', {'template':'finalinfo.html'}), (r'^leavedemo/admin/(leave)/(leaverequest)/start/$', 'django.contrib.workflow.applications.start_application_model', {'process_name':'leave'}), (r'^leavedemo/admin/', include('django.contrib.admin.urls')), (r'^leavedemo/', include('django.contrib.workflow.urls')),