Add version related tags

- Docs URL points to correct documentation version
- Display if we are in "development" version

InvenTree/InvenTree/version.py

@@ -70,7 +70,7 @@ def inventreeInstanceTitle():
 
 def inventreeVersion():
     """ Returns the InvenTree version string """
-    return INVENTREE_SW_VERSION
+    return INVENTREE_SW_VERSION.lower().strip()
 
 
 def inventreeVersionTuple(version=None):
@@ -84,6 +84,33 @@ def inventreeVersionTuple(version=None):
     return [int(g) for g in match.groups()]
 
 
+def isInvenTreeDevelopmentVersion():
+    """
+    Return True if current InvenTree version is a "development" version
+    """
+
+    print("is dev?", inventreeVersion())
+
+    return inventreeVersion().endswith('dev')
+
+
+def inventreeDocsVersion():
+    """
+    Return the version string matching the latest documentation.
+    
+    Development -> "latest"
+    Release -> "major.minor"
+    
+    """
+
+    if isInvenTreeDevelopmentVersion():
+        return "latest"
+    else:
+        major, minor, patch = inventreeVersionTuple()
+
+        return f"{major}.{minor}"
+
+
 def isInvenTreeUpToDate():
     """
     Test if the InvenTree instance is "up to date" with the latest version.

InvenTree/part/templatetags/inventree_extras.py

@@ -136,6 +136,21 @@ def inventree_version(*args, **kwargs):
     return version.inventreeVersion()
 
 
+@register.simple_tag()
+def inventree_is_development(*args, **kwargs):
+    return version.isInvenTreeDevelopmentVersion()
+
+
+@register.simple_tag()
+def inventree_is_release(*args, **kwargs):
+    return not version.isInvenTreeDevelopmentVersion()
+
+
+@register.simple_tag()
+def inventree_docs_version(*args, **kwargs):
+    return version.inventreeDocsVersion()
+
+
 @register.simple_tag()
 def inventree_api_version(*args, **kwargs):
     """ Return InvenTree API version """
@@ -169,7 +184,10 @@ def inventree_github_url(*args, **kwargs):
 @register.simple_tag()
 def inventree_docs_url(*args, **kwargs):
     """ Return URL for InvenTree documenation site """
-    return "https://inventree.readthedocs.io/"
+
+    tag = version.inventreeDocsVersion()
+
+    return f"https://inventree.readthedocs.io/en/{tag}"
 
 
 @register.simple_tag()

InvenTree/templates/about.html

@@ -22,13 +22,39 @@
                                 <td>{% trans "InvenTree Version" %}</td>
                                 <td>
                                     <a href="https://github.com/inventree/InvenTree/releases">{% inventree_version %}</a>{% include "clip.html" %}
+                                    {% inventree_is_development as dev %}
+                                    {% if dev %}
+                                    <span class='label label-blue float-right'>{% trans "Development Version" %}</span>
+                                    {% else %}
                                     {% if up_to_date %}
                                     <span class='label label-green float-right'>{% trans "Up to Date" %}</span>
                                     {% else %}
                                     <span class='label label-red float-right'>{% trans "Update Available" %}</span>
                                     {% endif %}
+                                    {% endif %}
                                 </td>
                             </tr>
+                            {% if dev %}
+                            {% inventree_commit_hash as hash %}
+                            {% if hash %}
+                            <tr>
+                                <td><span class='fas fa-code-branch'></span></td>
+                                <td>{% trans "Commit Hash" %}</td><td>{{ hash }}{% include "clip.html" %}</td>
+                            </tr>
+                            {% endif %}
+                            {% inventree_commit_date as commit_date %}
+                            {% if commit_date %}
+                            <tr>
+                                <td><span class='fas fa-calendar-alt'></span></td>
+                                <td>{% trans "Commit Date" %}</td><td>{{ commit_date }}{% include "clip.html" %}</td>
+                            </tr>
+                            {% endif %}
+                            {% endif %}
+                            <tr>
+                                <td><span class='fas fa-book'></span></td>
+                                <td>{% trans "InvenTree Documentation" %}</td>
+                                <td><a href="{% inventree_docs_url %}">{% inventree_docs_url %}</a></td>
+                            </tr>
                             <tr>
                                 <td><span class='fas fa-code'></span></td>
                                 <td>{% trans "API Version" %}</td>
@@ -44,25 +70,6 @@
                                 <td>{% trans "Django Version" %}</td>
                                 <td><a href="https://www.djangoproject.com/">{% django_version %}</a>{% include "clip.html" %}</td>
                             </tr>
-                            {% inventree_commit_hash as hash %}
-                            {% if hash %}
-                            <tr>
-                                <td><span class='fas fa-code-branch'></span></td>
-                                <td>{% trans "Commit Hash" %}</td><td>{{ hash }}{% include "clip.html" %}</td>
-                            </tr>
-                            {% endif %}
-                            {% inventree_commit_date as commit_date %}
-                            {% if commit_date %}
-                            <tr>
-                                <td><span class='fas fa-calendar-alt'></span></td>
-                                <td>{% trans "Commit Date" %}</td><td>{{ commit_date }}{% include "clip.html" %}</td>
-                            </tr>
-                            {% endif %}
-                            <tr>
-                                <td><span class='fas fa-book'></span></td>
-                                <td>{% trans "InvenTree Documentation" %}</td>
-                                <td><a href="{% inventree_docs_url %}">{% inventree_docs_url %}</a></td>
-                            </tr>
                             <tr>
                                 <td><span class='fab fa-github'></span></td>
                                 <td>{% trans "View Code on GitHub" %}</td>