added stats function

README.md

@@ -15,6 +15,7 @@ This project was written and tested on an Arch Linux-based distribution and pyth
 * open - open one or more files from the index in the default application (only Linux and Windows)
 * replace - replaces a file in the index with another file while keeping the entry
 * show - search through the index and show the matches
+* stats - shows statistics about the index like number of entries, tags and categories
 * update - change a value of an entry in the index or move a file to another category
 
 ## Dependencies

image-index

@@ -101,14 +101,8 @@ class database():
         n=0
         res=[]
         for i in tres:
-            m=0
+            if not i in res:
-            for j in tres:
+                res.append(i)
-                if i in j and n!=m:
-                    continue
-                else:
-                    res.append(i)
-                m+=1
-            n+=1
         # if the table is empty, return "".
         if not res:
             return [""]
@@ -843,6 +837,9 @@ def help(args):
             print("replaces a file of an entry based on a search query;\n\tInstant: image-index replace <replacement_file> <words/filters>")
             print("\tPrompt:  image-index replace")
             print("EXAMPLE:\nimage-index replace ~/Pictures/example_new.jpg -f .jpg\n")
+        elif re.match('[sS][tT].*',arg) or re.match('[sS].*[aA].*',arg):
+            print("stats:\tshows some statistics about the index;\n\tSyntax: image-index stats [-v]")
+            print("EXAMPLE:\nimage-index stats -v (also shows all tags and categories)\n")
         elif re.match('[sS].*',arg):
             print("show:\tsearches through the index and shows the matches;\n\tInstant: image-index show <words/filters>")
             print("\tPrompt:  image-index show")
@@ -869,6 +866,7 @@ def help(args):
             print("\topen:\topens a file based on a search query in the standard app;\n\t\tSyntax: image-index open <words/filters>")
             print("\treplace:replaces a file of an entry based on a search query;\n\t\tSyntax: image-index replace <file> <words/filters>")
             print("\tshow:\tsearches through the index and shows the matches;\n\t\tSyntax: image-index show <words/filters>")
+            print("\tstats:\tshows some stats about the index;\n\t\tSyntax: image-index stats [-v]")
             print("\tupdate:\tchanges specific column based on a search query;\n\t\tSyntax: image-index update <column> <updated_value> <words/filters>")
 
 def imports(args):
@@ -1086,6 +1084,37 @@ def show(args):
             print("\tTags:\t ",",".join(tags_list))
             print("\tContent: ",res[6])
 
+def stats(args):
+    verbose=False
+    for arg in args:
+        if re.match('[-]+[vV].*', arg):
+            verbose=True
+    entrynum=len(tb.get_col("HASH"))
+    encnum=len(etb.get_col("NAME"))
+    print(f"Entry count: {entrynum} ({encnum} encrypted)")
+    tags=ttb.get_col("NAME")
+    tagnum=len(tags)
+    print(f"Tags count: {tagnum}")
+    if verbose:
+        for item in tags:
+            name=item[0]
+            taguse=tb.get_item("TAGS", name)
+            if taguse[0] == "":
+                taguse=0
+            else:
+                taguse=len(taguse)
+            print(f"\t{ttb.get_alias(name)} ({name}): Used by {taguse} entr%s"% ("y" if taguse == 1 else "ies"))
+    cats=ctb.get_col("NAME")
+    catnum=len(cats)
+    print(f"Categories count: {catnum}")
+    if verbose:
+        for item in cats:
+            name=item[0]
+            catuse=len(tb.get_item("CATEGORY", name))
+            print(f"\t{ctb.get_alias(name)} ({name}):  Used by {catuse} entr%s"% "y" if taguse == 1 else "ies")
+
+    return True
+
 def main():
     if len(sys.argv) <= 1 or re.match('[hH].*',sys.argv[1]):
         help(sys.argv[2:])
@@ -1116,6 +1145,8 @@ def main():
             opens(args) 
         elif re.match('[rR].*',command):
             replace(args)
+        elif re.match('[sS][tT].*',command) or re.match('[sS].*[aA].*',command):
+            stats(args)
         elif re.match('[sS].*',command):
             show(args)
         elif re.match('[uU].*',command):