[Setup] Enhance version information output (#9049)

* Improve output of 'invoke version'

- Display backup path
- Handle undefined paths without error

* Provide colorized output

src/backend/InvenTree/InvenTree/config.py

@@ -238,12 +238,15 @@ def get_boolean_setting(env_var=None, config_key=None, default_value=False):
     return is_true(get_setting(env_var, config_key, default_value))
 
 
-def get_media_dir(create=True):
+def get_media_dir(create=True, error=True):
     """Return the absolute path for the 'media' directory (where uploaded files are stored)."""
     md = get_setting('INVENTREE_MEDIA_ROOT', 'media_root')
 
     if not md:
-        raise FileNotFoundError('INVENTREE_MEDIA_ROOT not specified')
+        if error:
+            raise FileNotFoundError('INVENTREE_MEDIA_ROOT not specified')
+        else:
+            return None
 
     md = Path(md).resolve()
 
@@ -253,12 +256,15 @@ def get_media_dir(create=True):
     return md
 
 
-def get_static_dir(create=True):
+def get_static_dir(create=True, error=True):
     """Return the absolute path for the 'static' directory (where static files are stored)."""
     sd = get_setting('INVENTREE_STATIC_ROOT', 'static_root')
 
     if not sd:
-        raise FileNotFoundError('INVENTREE_STATIC_ROOT not specified')
+        if error:
+            raise FileNotFoundError('INVENTREE_STATIC_ROOT not specified')
+        else:
+            return None
 
     sd = Path(sd).resolve()
 
@@ -268,12 +274,15 @@ def get_static_dir(create=True):
     return sd
 
 
-def get_backup_dir(create=True):
+def get_backup_dir(create=True, error=True):
     """Return the absolute path for the backup directory."""
     bd = get_setting('INVENTREE_BACKUP_DIR', 'backup_dir')
 
     if not bd:
-        raise FileNotFoundError('INVENTREE_BACKUP_DIR not specified')
+        if error:
+            raise FileNotFoundError('INVENTREE_BACKUP_DIR not specified')
+        else:
+            return None
 
     bd = Path(bd).resolve()
 

tasks.py

@@ -49,28 +49,33 @@ def task_exception_handler(t, v, tb):
 sys.excepthook = task_exception_handler
 
 
+def wrap_color(text: str, color: str) -> str:
+    """Wrap text in a color code."""
+    return f'\033[{color}m{text}\033[0m'
+
+
 def success(*args):
     """Print a success message to the console."""
     msg = ' '.join(map(str, args))
-    print(f'\033[92m{msg}\033[0m')
+    print(wrap_color(msg, '92'))
 
 
 def error(*args):
     """Print an error message to the console."""
     msg = ' '.join(map(str, args))
-    print(f'\033[91m{msg}\033[0m')
+    print(wrap_color(msg, '91'))
 
 
 def warning(*args):
     """Print a warning message to the console."""
     msg = ' '.join(map(str, args))
-    print(f'\033[93m{msg}\033[0m')
+    print(wrap_color(msg, '93'))
 
 
 def info(*args):
     """Print an informational message to the console."""
     msg = ' '.join(map(str, args))
-    print(f'\033[94m{msg}\033[0m')
+    print(wrap_color(msg, '94'))
 
 
 def checkInvokeVersion():
@@ -1284,6 +1289,7 @@ def version(c):
     """Show the current version of InvenTree."""
     import src.backend.InvenTree.InvenTree.version as InvenTreeVersion
     from src.backend.InvenTree.InvenTree.config import (
+        get_backup_dir,
         get_config_file,
         get_media_dir,
         get_static_dir,
@@ -1292,6 +1298,10 @@ def version(c):
     # Gather frontend version information
     _, node, yarn = node_available(versions=True)
 
+    # Special output messages
+    NOT_SPECIFIED = wrap_color('NOT SPECIFIED', '91')
+    NA = wrap_color('N/A', '93')
+
     print(
         f"""
 InvenTree - inventree.org
@@ -1304,16 +1314,17 @@ Environment {sys.prefix}
 Installation paths:
 Base        {localDir()}
 Config      {get_config_file()}
-Media       {get_media_dir()}
-Static      {get_static_dir()}
+Media       {get_media_dir(error=False) or NOT_SPECIFIED}
+Static      {get_static_dir(error=False) or NOT_SPECIFIED}
+Backup      {get_backup_dir(error=False) or NOT_SPECIFIED}
 
 Versions:
 Python      {python_version()}
 Django      {InvenTreeVersion.inventreeDjangoVersion()}
 InvenTree   {InvenTreeVersion.inventreeVersion()}
 API         {InvenTreeVersion.inventreeApiVersion()}
-Node        {node if node else 'N/A'}
-Yarn        {yarn if yarn else 'N/A'}
+Node        {node if node else NA}
+Yarn        {yarn if yarn else NA}
 
 Commit hash: {InvenTreeVersion.inventreeCommitHash()}
 Commit date: {InvenTreeVersion.inventreeCommitDate()}"""
@@ -1321,7 +1332,7 @@ Commit date: {InvenTreeVersion.inventreeCommitDate()}"""
     if len(sys.argv) == 1 and sys.argv[0].startswith('/opt/inventree/env/lib/python'):
         print(
             """
-You are probably running the package installer / single-line installer. Please mentioned that in any bug reports!
+You are probably running the package installer / single-line installer. Please mention this in any bug reports!
 
 Use '--list' for a list of available commands
 Use '--help' for help on a specific command"""