similar up to threshold

image_list.py

@@ -381,7 +381,10 @@ def find_fingerprint_similar(opts):
 def find_fingerprint_nearest(opts):
     ''' Find nearest match to given file '''
 
-    cmp=os.path.abspath(opts.similarity)
+    cmp=os.path.abspath(opts.similarity.rsplit(",")[0])
+    thr=sys.maxint
+    if len(opts.similarity.rsplit(","))>1:
+        thr=int(opts.similarity.rsplit(",",1)[1])
     conn=sqlite3.connect(opts.sqlfile)
     conn.text_factory=str
     db1=conn.cursor()
@@ -399,7 +402,8 @@ def find_fingerprint_nearest(opts):
         colors=get_colors(cmp)[0]
     
     db1.execute("SELECT file,fingerprint,sharpness,width,height,R,G,B FROM list WHERE sharpness > 0 ORDER BY file")
-    this=['',sys.maxint,0,0,0,0]
+    this=['',thr,0,0,0,0]
+    hit1=None
     for i,hit1 in enumerate(db1):
         if hit1[0] == cmp:
             continue
@@ -411,9 +415,12 @@ def find_fingerprint_nearest(opts):
             this[3]=int(hit1[3])
             this[4]=int(hit1[4])
             this[5]=abs( hit1[5] - colors[0] )+abs( hit1[6] - colors[1] )+abs( hit1[7] - colors[2] )
-    if this[0]=='':
+    if hit1==None:
         print("No measurements found")
         sys.exit(1)
+    if this[1]==thr:
+        print("No similar images for "+cmp+", up to threshold "+str(thr))
+        return
     file_len=str(max(len(cmp),  len(this[0])))
     print( ('{: <'+file_len+'} {: >4} {: >4} {: >4} {: ^5}x{: ^5}').format("File","Diff","CDel","Shrp","Wth","Hgt")) 
     print( ('{: <'+file_len+'} {: >4} {: >4} {: >4} {: >5}x{: >5}').format(cmp,"","","%.1f" % sp,dims[0],dims[1])) 
@@ -595,7 +602,7 @@ def main():
     if options.nearestcolor:
         find_color_nearest(options)
     if options.similarity!=None:
-        if os.path.exists(options.similarity):
+        if os.path.exists(options.similarity.rsplit(",")[0]):
             find_fingerprint_nearest(options)
         else: 
             find_fingerprint_similar(options)