From 14d2792b5098e890ce9cfe236d3f39094e7c9ef6 Mon Sep 17 00:00:00 2001
From: Yannik Schmidt <yannik.schmidt@thermoscan.de>
Date: Sun, 27 Jan 2019 17:49:04 +0100
Subject: [PATCH] Add FileReader

---
 FileReader.py | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 FileReader.py

diff --git a/FileReader.py b/FileReader.py
new file mode 100644
index 0000000..2cba132
--- /dev/null
+++ b/FileReader.py
@@ -0,0 +1,72 @@
+import TrueSkillWrapper as TS
+import utils
+import time
+import threading
+
+def readfile(filename, start_at_end=True, exit_on_eof=False, parsingBackend=None):
+    last_round_end  = None
+    f = open(filename)
+    count = 0
+    
+    if start_at_end:
+        f.seek(0,2)
+    
+    # outer loop, continue reading rounds #
+    while True:
+        # reset #
+        round_lines = []
+        last_line_was_winner = False
+
+        ## try to read in a full round ##
+        seek_start = True
+        while True:
+            old_line_nr = f.tell()
+            line = f.readline()
+            
+            # if no line or incomplete line, sleep and try again #
+            if not line:
+                if exit_on_eof:
+                    return
+                time.sleep(5000)
+                continue
+            elif not line.endswith("\n"):
+                f.seek(old_line_nr)
+                time.sleep(5000)
+                continue
+
+                    
+            if seek_start and not "round_start_active" in line and line:
+                continue
+            elif "round_start_active" in line:
+                seek_start = False
+            elif "plugin unloaded" in line:
+                round_lines = []
+                seek_start = True
+                continue
+
+
+            # and line and stop if it was round end #            
+            round_lines += [line]
+            if last_line_was_winner and not parsing.is_round_end(line):
+                f.seek(f.tell()-1,0)
+                break
+            elif parsing.is_round_end(line):
+                last_round_end = line
+                break
+            elif parsing.is_winner_event(line):
+                last_line_was_winner = True
+
+        # parse and evaluate round #
+        r=parsing.parse_round(round_lines)
+        if not r:
+            continue
+        try:
+            TS.evaluate_round(r)
+        except Warning as e:
+            utils.print_warning(e)
+    f.close()
+
+def readfiles(filenames,start_at_end=True,nofollow=False):
+        for f in filenames:
+            threading.Thread(target=readfile,args=(f,start_at_end,nofollow,)).start()
+