Detect unwriteable file permissions earlier

core/models/caves.py

@@ -42,7 +42,8 @@ def writetrogglefile(filepath, filecontent):
     '''Set permissions to rw-rw-r-- and commit the new saved file to git
     Callers to cave.writeDataFile() or entrance.writeDataFile() should handle the exception PermissionsError explicitly
     '''
-    # see also core/views/expo.py editexpopage()
+    # GIT see also core/views/expo.py editexpopage()
+    # GIT see also core/views/uploads.py dwgupload()
     filepath = Path(filepath)
     cwd = filepath.parent
     filename = filepath.name
@@ -56,7 +57,7 @@ def writetrogglefile(filepath, filecontent):
     #os.chmod(filepath, 0o664) # set file permissions to rw-rw-r--
     # should replace .call with .run and capture_output=True
     call([git, "add", filename], cwd=cwd)
-    call([git, "commit", "-m", 'Troggle online cave or entrance edit'], cwd=cwd)
+    call([git, "commit", "-m", f'Troggle online: cave or entrance edit -{filename}'], cwd=cwd)
 
 
 class Area(TroggleModel):

core/views/expo.py

@@ -142,7 +142,7 @@ def expowebpage(request, expowebpath, path):
     if m:
         editable = False
     else:
-        editable = True
+        editable = os.access(Path(expowebpath / path), os.W_OK) # are file permissions writeable?
     
     has_menu = False
     menumatch = re.match(r'(.*)<div id="menu">', body, re.DOTALL + re.IGNORECASE)
@@ -253,7 +253,7 @@ def getmimetype(path):
 @ensure_csrf_cookie
 def editexpopage(request, path):
     '''Manages the 'Edit this Page' capability for expo handbook and other html pages.
-    Relies on javascript to provide the in-browser editing environment.
+    Relies on HTML5 or javascript to provide the in-browser editing environment.
     '''
     try:
         # if a cave not a webpage at all. 
@@ -310,7 +310,8 @@ def editexpopage(request, path):
             cwd = filepath.parent
             filename = filepath.name
             git = settings.GIT
-            # see also core/models/cave.py writetrogglefile()
+            # GIT see also core/models/cave.py writetrogglefile()
+            # GIT see also core/views/uploads.py dwgupload()
             try:
                 with open(filepath, "w") as f:
                     print(f'WRITING{cwd}---{filename} ')
@@ -328,11 +329,11 @@ def editexpopage(request, path):
                     message = f'CANNOT git on server for this file {filename}. Edits saved but not added to git.\n\n' + msgdata
                     return render(request,'errors/generic.html', {'message': message})
 
-                cp_commit = subprocess.run([git, "commit", "-m", 'Edit this page'], cwd=cwd, capture_output=True, text=True)
-                # This produces return code = 1 if it commits OK, but if the repo still needs to be pushed to origin/expoweb
+                cp_commit = subprocess.run([git, "commit", "-m", f'Troggle online: Edit this page - {filename}'], cwd=cwd, capture_output=True, text=True)
+                # This produces return code = 1 if it commits OK, but when the repo still needs to be pushed to origin/expoweb
                 if cp_commit.returncode != 0 and cp_commit.stdout != 'nothing to commit, working tree clean':
                     msgdata = 'Ask a nerd to fix this.\n\n' + cp_commit.stderr + '\n\n' + cp_commit.stdout  + '\n\nreturn code: ' + str(cp_commit.returncode)
-                    message = f'Eror code with git on server for this file {filename}. Edits saved, added to git but NOT committed.\n\n' + msgdata
+                    message = f'Error code with git on server for this file {filename}. Edits saved, added to git, but NOT committed.\n\n' + msgdata
                     return render(request,'errors/generic.html', {'message': message})
 
             except subprocess.SubprocessError:

core/views/uploads.py

@@ -144,6 +144,9 @@ def dwgupload(request, folder=None, gitdisable='no'):
            
             actual_saved = []
             refused = []
+            
+            # GIT see also core/views/expo.py editexpopage()
+            # GIT see also core/models/cave.py writetrogglefile()
             if gitdisable != 'yes': # set in url 'dwguploadnogit/'
                 git = settings.GIT
             else:

templates/expopage.html

@@ -4,13 +4,13 @@
 {% block bodyattrs %}{% if homepage %} id="homepage"{% endif %}{% endblock %}
 {% block body %}
 {{ body|safe }}
-{% if homepage %}
-  {% if editable %}
-    <a href="{% url "editexpopage" path %}">Edit</a>
-  {% endif %}
-  {% else %}
-    {% if not has_menu %}
-      {% include "menu.html" %}
+{% if homepage %} 
+    {% if editable %}
+        <a href="{% url "editexpopage" path %}">Edit</a>
     {% endif %}
-  {% endif %}
+{% else %}
+    {% if not has_menu %}
+        {% include "menu.html" %}
+    {% endif %}
+{% endif %}
 {% endblock %}

templates/menu.html

@@ -11,7 +11,8 @@
 <li><form name=P method=get action="/search" target="_top">
     <input id="omega-autofocus" type=search name=P size=8 autofocus>
     <input type=submit value="Search"></li>
-{% if editable %}<li><a href="{% url "editexpopage" path %}" class="editlink"><strong>Edit this page</strong></a></li>{% endif %}
+{% if editable %}<li><a href="{% url "editexpopage" path %}" class="editlink"><strong>Edit this page</strong></a></li>
+{% else %}<a href="/handbook/computing/hbmanual1.html#auto">This page not editable</a></li>{% endif %}
 {% if cave_editable %}<li><a href="{% url "edit_cave" cave.slug %}" class="editlink"><strong>Edit this cave</strong></a></li>{% endif %}
 </ul>
 {% endif %}

urls.py

@@ -71,6 +71,9 @@ else:
 # accounts/reset/<uidb64>/<token>/ [name='password_reset_confirm']
 # accounts/reset/done/ [name='password_reset_complete']
 
+# BUT many of these are set up by opinionated Django even if 'django.contrib.auth.urls' is NOT included.
+# Some overlap with 'admin.site.urls' needs to be investigated.
+
 trogglepatterns = [
     path('expofiles/', include(expofilesurls)), # intercepted by Apache, if it is running.
     path('expofiles',  include(expofilesurls)), # curious interaction with the include() here, not just a slash problem.
@@ -171,7 +174,7 @@ trogglepatterns = [
     re_path(r'^cave/(?P<cave_id>[^/]+)/(?P<year>\d\d\d\d)-(?P<qm_id>\d*)(?P<grade>[ABCDX]?)?$', caves.qm, name="qm"),
 
 #   Prospecting Guide document
-    re_path(r'^prospecting_guide/$', prospecting),    
+    re_path(r'^prospecting_guide/$', prospecting),    # disabled. Bad links, incompatible image package use and very, very out of date.
 
 # This next set are all intercepted by Apache, if it is running.
     re_path(r'^photos/(?P<subpath>.*)$',      mediapage, {'doc_root': settings.PHOTOS_ROOT}, name="mediapage"), # photo galleries 
@@ -203,7 +206,8 @@ urlpatterns = [
 # Alias /robots.txt  /home/expo/troggle/media/robots.txt   # does not exist!
 # Alias /favicon.ico /home/expo/troggle/media/favicon.ico  # comes from /expoweb/* when running runserver
 # Alias /javascript  /home/expo/troggle/media/jslib        # empty
-# Alias /search       ?        # teh text search thinggy
+# Alias /search       ?        # the Xapian text search thinggy
+# Alias /kanboard     ?        # the Kanban Trello-clone thinggy
 
 # Copy of old standard apache configurations:
 # Alias /expofiles   /home/expo/expofiles