Prompting for settings filename if not provided via command line

2 files changed, 19 insertions, 2 deletions

diff --git a/README.md b/README.md
index 6009ee7..fddcd2d 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,8 @@ python playoff.py PLIK_USTAWIEŃ_JSON
 
 `PLIK_USTAWIEŃ_JSON` jest plikiem konfiguracyjnym, dostarczającym wszelkich danych niezbędnych do pracy programu.
 
+Jeśli w wywołaniu nie podano ścieżki do pliku ustawień, program spyta o nią sam.
+
 Jego strukturę opisuje dokument [CONFIG](CONFIG.md).
 
 Znane ograniczenia
diff --git a/playoff.py b/playoff.py
index a4da821..9f33666 100644
--- a/playoff.py
+++ b/playoff.py
@@ -1,11 +1,26 @@
-import json, os, shutil, socket, sys
+import glob, json, os, readline, shutil, socket, sys
 import mysql.connector
 from datetime import datetime
 from urlparse import urljoin
 from playoff import sql as p_sql
 from playoff import template as p_temp
 
-settings = json.load(open(sys.argv[1]))
+def complete_filename(text, state):
+    return (glob.glob(text+'*')+[None])[state]
+
+if len(sys.argv) > 1:
+    settings_file = sys.argv[1]
+else:
+    readline.set_completer_delims(' \t\n;')
+    readline.parse_and_bind("tab: complete")
+    readline.set_completer(complete_filename)
+    settings_file = raw_input('JSON settings file: ')
+
+if not os.path.exists(settings_file):
+    print 'Settings file "%s" not found' % settings_file
+    sys.exit(1)
+
+settings = json.load(open(settings_file))
 teams = settings['teams']
 leaderboard = [None] * len(teams)