From 4a3db50d7df0f636ef824637d33330543e9044b2 Mon Sep 17 00:00:00 2001
From: Andrew <saintruler@gmail.com>
Date: Wed, 24 Apr 2019 20:42:29 +0400
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---
 day4/task3/db.py | 68 +++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 47 insertions(+), 21 deletions(-)

(limited to 'day4/task3/db.py')

diff --git a/day4/task3/db.py b/day4/task3/db.py
index f4cbd0b..c23e9fb 100644
--- a/day4/task3/db.py
+++ b/day4/task3/db.py
@@ -2,30 +2,9 @@ import re
 import bisect
 from datetime import datetime
 
-f = open('otrs_error.log')
-
-matcher = re.compile(r'\[(?P<date>.*?)\]\[(?P<type>.*?)\]\[(?P<module>.*?)\]\[(?P<id>.*?)\] (?P<text>.*)')
 
 db = []
 
-lines = f.readlines()
-f.close()
-for line in lines:
-    line = line.strip()
-    match = re.match(matcher, line)
-
-    if match:
-        date = datetime.strptime(match.group('date'), '%c')
-        module = match.group('module')
-
-        db.append((date.hour, date.minute, date.second, module, line))
-
-    else:
-        print(f'Ошибка при разборе строки:\n{line}')
-
-
-db.sort()
-
 
 def search_by_date(hour, minute=None, second=None, data=None):
     low = [hour]
@@ -45,3 +24,50 @@ def search_by_date(hour, minute=None, second=None, data=None):
     left = bisect.bisect_left(db, tuple(low))
     right = bisect.bisect_left(db, tuple(high))
     return [t[4] for t in db[left:right] if data in t[3]]
+
+
+def open_log(path):
+    try:
+        f = open(path)
+
+    except FileNotFoundError:
+        print('Файл с логом не обнаружен')
+        return
+
+    except PermissionError:
+        print('Файл с логом не доступен для чтения')
+        return
+
+    return f
+
+
+# Возвращает значение успешности инициализации базы данных
+def init(path) -> bool:
+    f = open_log(path)
+    if f is None:
+        return False
+
+    matcher = re.compile(r'\[(?P<date>.*?)\]\[(?P<type>.*?)\]\[(?P<module>.*?)\]\[(?P<id>.*?)\] (?P<text>.*)')
+
+    lines = f.readlines()
+    f.close()
+    for line in lines:
+        line = line.strip()
+        match = re.match(matcher, line)
+
+        if match:
+            try:
+                date = datetime.strptime(match.group('date'), '%c')
+            except ValueError:
+                print(f'Ошибка при разборе строки (Неверный формат даты):\n{line}')
+                continue
+
+            module = match.group('module')
+
+            db.append((date.hour, date.minute, date.second, module, line))
+
+        else:
+            print(f'Ошибка при разборе строки:\n{line}')
+
+    db.sort()
+    return True
-- 
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