Python string combat

Haproxy configuration file

Idea: Read a line, write a line

Global        log 127.0.0.1 local2        daemon        maxconn        log 127.0.0.1 local2 infodefaults        Log Global        Mode HTTP        timeout connect 5000ms        timeout client 50000ms        timeout server 50000ms        option  Dontlognulllisten stats:8888        stats enable        stats uri       /admin stats auth      admin:1234frontend oldboy.org        bind 0.0.0.0:80        option httplog        option httpclose        option  forwardfor        Log Global        ACL www hdr_reg (host)-I www.oldboy.org        use_backend www.oldboy.org if Wwwbackend www.oldboy.org        Server 100.1.7.9 100.1.7.9 weight maxconn backend buy.oldboy.org        server 100.1.7.90 100.1.7.90 weight 20 Maxconn 3000 configuration file

Requires that the specified backend content can be extracted, or the specified backend content can be added

#!/usr/bin/env python#-*-coding:utf-8-*-def fetch (backend): result = [] with open (' ha.conf ', ' R ') as F: Flag = False for line in F:if Line.strip (). StartsWith (' backend ') and line.strip () = = "Backend" + Backe                Nd:flag = True Continue if flag and Line.strip (). StartsWith (' backend '): Break if Flag and Line.strip (): Result.append (Line.strip ()) return result def add (BA Ckend, record): result = Fetch (backend) If not result: # no backend, no record pass else: # with Back            End If record in result: # Records record pass Else:result.append With open (' ha.conf ', ' R ') as-old, open (' new.conf ', ' W ') as New:continue_flag = False F                        or line in Old:if Line.strip (). StartsWith (' backend ') and line.strip () = = "Backend" + backend: ContinuE_flag = True New.write (line) for temp in result: New.write ("" *8 + temp + "\ n") continue if Continue_flag and Line.strip (). Star                        Tswith (' backend '): Continue_flag = False if Continue_flag: Pass Else:new.write (line) def ADD2 (backend, record): With open (' ha.conf ' , ' R ') as old, open (' new.conf ', ' W ') as New:in_backend = False Has_backend = False Has_record = Fals                E for line in Old:if Line.strip (). StartsWith (' backend ') and line.strip () = = "Backend" + backend:             Has_backend = True In_backend = True New.write (line) continue If In_backend and Line.strip (). StartsWith (' backend '): If not Has_record:new.writ E ("" *8 + record + ' \ n ')                New.write (line) In_backend = False Continue if In_backend and Li             Ne.strip () = = Record:has_record = True New.write (line) continue If Line.strip (): New.write (line) if not has_backend: # write backend, write record new.w Rite (' backend ' + backend + ' \ n ') new.write (' *8 + record + ' \ n ') # ret = Fetch ("www.oldboy.org") # Print (ret)  # Add (' www.oldboy.org ', "Server 100.1.7.10 100.1.7.10 Weight maxconn") # add2 (' www.oldboy.org ', "Server 100.1.7.11 100.1.7.11 weight maxconn 3000 ")

　　

Python string combat