add: database existence check

util/import_photos.py

@@ -6,6 +6,7 @@ import filetype
 from os import path, walk
 from sys import argv, stderr
 from shutil import move
+import sqlite3
 
 # update database residing here
 DB_LOCATION = "photovoter.dblite"
@@ -69,17 +70,43 @@ def update_database():
     or create a new one, if it does not exist yet
     """
     # make sure the database exists
+    check_database(DB_LOCATION)
     # insert new pictures to the image table
     pass
 
 
-def check_database():
+def check_database(database_path: str):
     """Check if there is a database at DB_LOCATION.
     Just return if there is. If not, create a new one.
     """
     # db exists?
+    if path.exists(database_path):
+        print("DB exists, updating", database_path)
+        return
     # make one
-    pass
+    else:
+        print("No DB, creating", database_path)
+
+        con = sqlite3.connect(database_path)
+        cur = con.cursor()
+        # Create table
+        cur.execute(
+            """CREATE TABLE images
+                    (
+                    imgid INTEGER PRIMARY KEY, 
+                    resizedpath TEXT NOT NULL,
+                    origpath TEXT NOT NULL,
+                    date TEXT,  
+                    GPSLatitude TEXT,  
+                    GPSLatitudeRef TEXT,  
+                    GPSLongitude TEXT, 
+                    GPSLongitudeRef TEXT
+                    )"""
+        )
+        con.commit()
+        # we only use this occasionaly with the new databases,
+        # so don't bother with transfer logic, just close and reopen it later
+        con.close()
 
 
 def main():
@@ -89,6 +116,7 @@ def main():
 
     # process each pic and add it to the database
     for pic in process_pictures():
+        update_database()
         print(pic)  # just print into strout for now