fix help text

main.py

@@ -12,7 +12,7 @@ import argparse
 parser = argparse.ArgumentParser()
 parser.add_argument("--input", help="folder containing input json(s)", required=True, type=pathlib.Path)
 parser.add_argument("--output", help="folder to place csv", required=True, type=pathlib.Path)
-parser.add_argument("--delimiter", help="delimiter for CSV (default is '|'", default="|")
+parser.add_argument("--delimiter", help="delimiter for CSV (default is '|')", default="|")
 parser.add_argument("--single", action="store_true", help="merge all json files to single output csv")
 parser.add_argument("--verbose", '-v', action="count", help="set verbose level", default=0)
 parser.add_argument("--zip", action="store_true", help="make a zipfile of all outputs")
@@ -32,7 +32,7 @@ def make_archive(source: pathlib.Path, destination: pathlib.Path) -> None:
     shutil.make_archive(str(base_name), fmt, root_dir, base_dir)
 
 
-class DBConn:
+class JsonToCsv:
     def __init__(self):
         self.cur = None
         self.con = None
@@ -43,8 +43,11 @@ class DBConn:
 
     def init_db(self):
         self.counter += 1
-        self.ts = time.strftime('%Y%m%d_%H%M%S', time.localtime())
-        self.con = sqlite3.connect(args.output / f"data-{args.name}-{self.ts}-{self.counter}.db")
+        self.ts = time.strftime('%Y%m%d-%H%M%S', time.localtime())
+        db_name = args.output / f"data-{args.name}-{self.ts}-{self.counter}.db"
+        if args.verbose > 0:
+            print(f"creating DB {db_name}")
+        self.con = sqlite3.connect(db_name)
         self.cur = self.con.cursor()
         self.make_tables()
 
@@ -79,8 +82,7 @@ class DBConn:
 
             if len(not_found) > 0:
                 if args.verbose >= 1:
-                    print(
-                        f"added new cols {', '.join(not_found)} to {tbl}, already present {tbl_cols}, want {col_names}")
+                    print(f"added new cols {', '.join(not_found)} to {tbl}")
 
                 new_cols = list(tbl_cols)
                 for new_col in not_found:
@@ -94,10 +96,10 @@ class DBConn:
         self.cur.execute(sql, values)
 
     def make_csv_from_tables(self, prefix=''):
-        dbConn.cur.execute("SELECT name FROM sqlite_master WHERE type='table'")
+        json_csv.cur.execute("SELECT name FROM sqlite_master WHERE type='table'")
         tbls = []
 
-        for (tbl,) in dbConn.cur.fetchall():
+        for (tbl,) in json_csv.cur.fetchall():
             if tbl.find(args.name) == 0:
                 tbls.append(tbl)
 
@@ -204,7 +206,7 @@ class DBConn:
                         child_attribute = f"{key}_{subKey}"
                         if child_attribute not in attributes:
                             attributes.append(child_attribute)
-                            
+
                 elif value_is_list:
                     existing = children.get(key, {})
                     children[key] = self.extract_child(value, key, f"{top_level}_", existing)
@@ -266,15 +268,14 @@ class DBConn:
             make_archive(args.output, pathlib.Path(f"{top_level}.zip"))
 
 
-dbConn = DBConn()
-
 if __name__ == '__main__':
     if args.verbose >= 1:
         print(f"args = {args}")
 
     if args.clean:
-        for d in args.output.glob("*.csv"):
+        for d in args.output.iterdir():
             print(f"will delete {d}")
             os.unlink(d)
 
-    dbConn.parse_json()
+    json_csv = JsonToCsv()
+    json_csv.parse_json()