Added logger, parse_trade and some code format

trader.py

@@ -3,8 +3,12 @@ import time
 import datetime
 from enum import Enum
 import re
+import logging
 
 
+log = logging.getLogger(__name__)
+logging.basicConfig(level=logging.DEBUG)
+
 class Channel(Enum):
     WHISPER = 0
     GLOBAL = 1
@@ -21,6 +25,24 @@ channel_mapping = {'#': Channel.GLOBAL,
                    '$': Channel.TRADE,
                    '&': Channel.GUILD}
 
+
+class Trade():
+    def __init__(self,
+                 item: str,
+                 amount: int,
+                 currency: str,
+                 tab: str,
+                 row: int,
+                 col: int,
+                 league: str) -> None:
+        self.item = item 
+        self.amount = amount
+        self.currency = currency
+        self.tab = tab
+        self.row = row
+        self.col = col
+        self.league = league
+
 class Message():
     def __init__(self,
                  message: str,
@@ -30,8 +52,10 @@ class Message():
                  guild: str) -> None:
         self.message = message
         self.date = date
-        self.user = user
         self.channel = channel
+        if channel is Channel.WHISPER:
+            user = user.lstrip('From ')
+        self.user = user
         self.guild = guild
 
     def __str__(self) -> str:
@@ -41,6 +65,20 @@ class Message():
         text = text + f'{self.user}: {self.message}'
         return text
 
+
+    def parse_trade(self) -> Trade:
+        # @From NyhaiPuki: Hi, I would like to buy your level 21 23% Vaal Impurity of Lightning listed for 18 chaos in Ritual (stash tab "$"; position: left 22, top 5)
+        regex = 'Hi, I would like to buy your (?P<item>.+) listed for (?P<amount>\d+) (?P<currency>\S+) in (?P<league>\S+) \(stash tab "(?P<tab>.+)"; position: left (?P<col>\d+), top (?P<row>\d+)\)'
+        res = re.search(regex, self.message)
+        return Trade(item=res['item'],
+                     amount=int(res['amount']),
+                     currency=res['currency'],
+                     tab=res['tab'],
+                     row=int(res['row']),
+                     col=int(res['col']),
+                     league=res['league'])
+
+
 def follow(thefile: str):
     thefile.seek(0, 2)
     while True:
@@ -52,11 +90,13 @@ def follow(thefile: str):
 
 
 def parse_string(text: str) -> Message:
-    # result = parse('{date} {time} {timemicro} {noidea} [{level} {client} {id}]{mess_type:1}{user}: {message}', text)
-    result = re.search('(?P<date>\d\d\d\d/\d\d/\d\d \d\d:\d\d:\d\d) (\d+) (\S+) \[(?P<level>\S+) (\S+) (\d+)\] (?P<channel>[#@%$&]?)(?P<guild><\S+>)? ?(?P<user>[^:]+): (?P<message>.*)', text)
+    result = re.search(
+        '(?P<date>\d\d\d\d/\d\d/\d\d \d\d:\d\d:\d\d) (\d+) (\S+) \[(?P<level>\S+) (\S+) (\d+)\] (?P<channel>[#@%$&]?)(?P<guild><\S+>)? ?(?P<user>[^:]+): (?P<message>.*)', text)
     if not result:
+        log.debug(f'Result is none for text "{text}"')
         return None
-    date = datetime.datetime.strptime(result.group('date'), '%Y/%m/%d %H:%M:%S')
+    date = datetime.datetime.strptime(
+        result.group('date'), '%Y/%m/%d %H:%M:%S')
     guild = result.group('guild')
     if guild:
         guild = guild.strip('<>')
@@ -79,4 +119,7 @@ if __name__ == "__main__":
     loglines = follow(logfile)
     for line in loglines:
         message = parse_string(line)
-        print(message)
+        log.debug(message)
+        if message and message.channel is Channel.WHISPER:
+            log.info('TRADE')
+