file and command help web support, proof of concept

Not fleshed enough for a prototype. Is a working proof of concept.
Adds command help and file help entries to the website.

evennia/commands/command.py

@@ -9,11 +9,14 @@ import math
 import inspect
 
 from django.conf import settings
+from django.urls import reverse
+from django.utils.text import slugify
 
 from evennia.locks.lockhandler import LockHandler
 from evennia.utils.utils import is_iter, fill, lazy_property, make_iter
 from evennia.utils.evtable import EvTable
 from evennia.utils.ansi import ANSIString
+from evennia.utils.logger import log_info
 
 
 class InterruptCommand(Exception):
@@ -514,6 +517,42 @@ Command {self} has no defined `func()` - showing on-command variables:
         """
         return self.__doc__
 
+    def web_get_detail_url(self):
+        """
+        Returns the URI path for a View that allows users to view details for
+        this object.
+
+        ex. Oscar (Character) = '/characters/oscar/1/'
+
+        For this to work, the developer must have defined a named view somewhere
+        in urls.py that follows the format 'modelname-action', so in this case
+        a named view of 'character-detail' would be referenced by this method.
+
+        ex.
+        ::
+            url(r'characters/(?P<slug>[\w\d\-]+)/(?P<pk>[0-9]+)/$',
+                CharDetailView.as_view(), name='character-detail')
+
+        If no View has been created and defined in urls.py, returns an
+        HTML anchor.
+
+        This method is naive and simply returns a path. Securing access to
+        the actual view and limiting who can view this object is the developer's
+        responsibility.
+
+        Returns:
+            path (str): URI path to object detail page, if defined.
+
+        """
+        try:
+            return reverse(
+                'help-entry-detail',
+                kwargs={"category": slugify(self.help_category), "topic": slugify(self.key)},
+            )
+        except Exception as e:
+            log_info(f'Exception: {getattr(e, "message", repr(e))}')
+            return "#"
+
     def client_width(self):
         """
         Get the client screenwidth for the session using this command.