added argument parsing for shares saver

tools/save_shares_data.py

@@ -1,13 +1,39 @@
+import argparse
+import pathlib
+
 import market_trade.constants
 import tinkoff_grpc
 import json
 import time
 import grpc
+import argparse
+
+
+argument_parser = argparse.ArgumentParser(prog="shares saver")
+
+
+argument_parser.add_argument("-s", "--shares", dest="shares_data_path", action="store")
+
+argument_parser.add_argument("-o", "--output-directory", dest="output_directory", action="store")
 
 
 if __name__ == '__main__':
+    cli_args = argument_parser.parse_args()
+
+
+    if cli_args.shares_data_path:
+        shares_path = pathlib.Path(cli_args.shares_data_path)
+    else:
+        raise NotImplementedError("No path provided for shares liquidity data")
+
+    if cli_args.output_directory:
+        output_data_path = pathlib.Path(cli_args.output_directory)
+    else:
+        raise NotImplementedError("No path for the output data of shares")
+
+
     # loading shares liquidity stats gathered
-    with open(market_trade.constants.SHARES_STATS_PATH, encoding="utf-8", mode="r") as shares_stats_file:
+    with open(shares_path, encoding="utf-8", mode="r") as shares_stats_file:
         sorted_shares_liquidity_stats = json.load(shares_stats_file)
 
     # getting sorted list by liquidity and extracting first n, where n is subscription limit
@@ -34,7 +60,7 @@ if __name__ == '__main__':
             try:
                 tinkoff_trades_saver = tinkoff_grpc.savers.TradesSaver(channel=tinkoff_channel,
                                                                        instruments=shares_to_gather,
-                                                                       filepath=market_trade.constants.SHARES_TRADES_PATH)
+                                                                       filepath=output_data_path)
                 tinkoff_trades_saver.start()
             except grpc.RpcError as grpc_error:
                 pass