Long sn fix (#499)

* Improve tasks.py

- Works from any subdir now

* Update stock detail display

* FIx width of "serial" column in stock item list

lib/widget/stock/stock_detail.dart

@@ -467,7 +467,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         title: Text("${widget.item.partName}"),
         subtitle: Text("${widget.item.partDescription}"),
         leading: InvenTreeAPI().getThumbnail(widget.item.partImage),
-        trailing: Text(
+        trailing: widget.item.isSerialized() ? null : Text(
           widget.item.quantityString(),
           style: TextStyle(
             fontSize: 20,
@@ -548,7 +548,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           ListTile(
             title: Text(L10().serialNumber),
             leading: FaIcon(FontAwesomeIcons.hashtag),
-            trailing: Text("${widget.item.serialNumber}"),
+            subtitle: Text("${widget.item.serialNumber}"),
           )
       );
     } else {

lib/widget/stock/stock_list.dart

@@ -133,14 +133,17 @@ class _PaginatedStockItemListState extends PaginatedSearchState<PaginatedStockIt
 
     return ListTile(
       title: Text("${item.partName}"),
-      subtitle: Text("${item.locationPathString}"),
+      subtitle: Text(item.locationPathString),
       leading: InvenTreeAPI().getThumbnail(item.partThumbnail),
-      trailing: Text("${item.displayQuantity}",
-        style: TextStyle(
-          fontWeight: FontWeight.bold,
-          fontSize: 16,
-          color: InvenTreeAPI().StockStatus.color(item.status),
-        ),
+      trailing: SizedBox(
+        width: 48,
+        child: Text("${item.displayQuantity}",
+          style: TextStyle(
+            fontWeight: FontWeight.bold,
+            fontSize: 14,
+            color: InvenTreeAPI().StockStatus.color(item.status),
+          ),
+        )
       ),
       onTap: () {
         Navigator.push(context, MaterialPageRoute(builder: (context) => StockDetailWidget(item)));

tasks.py

@@ -1,5 +1,6 @@
 """Invoke tasks for building the app"""
 
+import os
 import sys
 from invoke import task
 
@@ -13,8 +14,13 @@ def clean(c):
 @task
 def translate(c):
     """Update translation files"""
+
+    here = os.path.dirname(__file__)
+    l10_dir = os.path.join(here, 'lib', 'l10n')
+    l10_dir = os.path.abspath(l10_dir)
+
     python = 'python3' if sys.platform.lower() == 'darwin' else 'python'
-    c.run(f"cd lib/l10n && {python} collect_translations.py")
+    c.run(f"cd {l10_dir} && {python} collect_translations.py")
 
 
 @task(pre=[clean, translate])