From 46b24f530191dd443a4edb451b5f5573a875a5ca Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Mon, 31 Jul 2017 20:04:02 +0200
Subject: Factoring out settings loading mechanism

---
 playoff.py          | 21 ++++-----------------
 playoff/settings.py | 31 +++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 17 deletions(-)
 create mode 100644 playoff/settings.py

diff --git a/playoff.py b/playoff.py
index fe29b97..ee15319 100644
--- a/playoff.py
+++ b/playoff.py
@@ -1,25 +1,12 @@
-import glob, json, os, readline, shutil, socket, sys
+import os, shutil, socket
 from datetime import datetime
 from urlparse import urljoin
 from playoff import sql as p_sql
 from playoff import template as p_temp
 
-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))
+from playoff.settings import PlayoffSettings
+s = PlayoffSettings()
+settings = s.get()
 teams = settings['teams']
 leaderboard = [None] * len(teams)
 
diff --git a/playoff/settings.py b/playoff/settings.py
new file mode 100644
index 0000000..dd7399d
--- /dev/null
+++ b/playoff/settings.py
@@ -0,0 +1,31 @@
+import glob, json, os, readline, sys
+
+def complete_filename(text, state):
+    return (glob.glob(text+'*')+[None])[state]
+
+class PlayoffSettings:
+
+    def __init__(self):
+        self.interactive = False
+        if len(sys.argv) > 1:
+            settings_file = sys.argv[1]
+        else:
+            self.interactive = True
+            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):
+            raise IOError('Settings file %s not found' % settings_file)
+
+        self.settings = json.load(open(settings_file))
+
+    def has_section(self, key):
+        return key in self.settings
+
+    def get(self, *keys):
+        section = self.settings
+        for key in keys:
+            section = section[key]
+        return section
-- 
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