SVG Server Docker Fix

docs/changelog.md

@@ -11,7 +11,7 @@ title: Changelog
 
 ### misc
 
-* thanks to a user, we now have Krita (.kra, .krz) support! it even pulls thumbnails]
+* thanks to a user, we now have Krita (.kra, .krz) support! it even pulls thumbnails!
 * thanks to another user, we now have SVG (.svg) support! it even generates thumbnails!
 * I think I fixed a comparison statement calculator divide-by-zero error in the duplicate filter when you compare a file with a resolution with a file without one
 

docs/old_changelog.html

@@ -38,7 +38,7 @@
                     <h2 id="version_535"><a href="#version_535">version 535</a></h2>
                     <ul>
                         <li><h3>misc</h3></li>
-                        <li>thanks to a user, we now have Krita (.kra, .krz) support! it even pulls thumbnails]</li>
+                        <li>thanks to a user, we now have Krita (.kra, .krz) support! it even pulls thumbnails!</li>
                         <li>thanks to another user, we now have SVG (.svg) support! it even generates thumbnails!</li>
                         <li>I think I fixed a comparison statement calculator divide-by-zero error in the duplicate filter when you compare a file with a resolution with a file without one</li>
                         <li><h3>petitions overview</h3></li>

hydrus/core/HydrusFileHandling.py

@@ -5,7 +5,18 @@ import struct
 from hydrus.core import HydrusAudioHandling
 from hydrus.core import HydrusClipHandling
 from hydrus.core import HydrusKritaHandling
-from hydrus.core import HydrusSVGHandling
+
+try:
+    
+    from hydrus.core import HydrusSVGHandling
+    
+    SVG_OK = True
+    
+except:
+    
+    SVG_OK = False
+    
+
 from hydrus.core import HydrusConstants as HC
 from hydrus.core import HydrusData
 from hydrus.core import HydrusDocumentHandling
@@ -184,6 +195,11 @@ def GenerateThumbnailBytes( path, target_resolution, mime, duration, num_frames,
 
         try:
             
+            if not SVG_OK:
+                
+                raise Exception( 'No SVG thumbs' )
+                
+            
             thumbnail_bytes = HydrusSVGHandling.GenerateThumbnailBytesFromSVGPath( path, target_resolution, clip_rect = clip_rect )
             
         except Exception as e:
@@ -360,11 +376,14 @@ def GetFileInfo( path, mime = None, ok_to_look_for_hydrus_updates = False ):
     elif mime == HC.APPLICATION_KRITA:
         
         ( width, height ) = HydrusKritaHandling.GetKraProperties( path )
-
+        
     elif mime == HC.IMAGE_SVG:
-
-        ( width, height ) = HydrusSVGHandling.GetSVGResolution( path )
-
+        
+        if SVG_OK:
+            
+            ( width, height ) = HydrusSVGHandling.GetSVGResolution( path )
+            
+        
     elif mime == HC.APPLICATION_FLASH:
         
         ( ( width, height ), duration, num_frames ) = HydrusFlashHandling.GetFlashProperties( path )