src/backend/base.py

   1 #!/usr/bin/python
   2
   3 import configparser
   4 import io
   5 import tornado.gen
   6
   7 from . import accounts
   8 from . import blog
   9 from . import database
  10 from . import geoip
  11 from . import fireinfo
  12 from . import iuse
  13 from . import memcached
  14 from . import messages
  15 from . import mirrors
  16 from . import netboot
  17 from . import nopaste
  18 from . import releases
  19 from . import settings
  20 from . import talk
  21 from . import wiki
  22 from . import zeiterfassung
  23 from .decorators import *
  24
  25 DEFAULT_CONFIG = io.StringIO("""
  26 [global]
  27 debug = false
  28
  29 data_dir      =
  30 static_dir    = %(data_dir)s/static
  31 templates_dir = %(data_dir)s/templates
  32 """)
  33
  34 class Backend(object):
  35         def __init__(self, configfile, debug=False):
  36                 # Read configuration file.
  37                 self.config = self.read_config(configfile)
  38
  39                 # Enable debug logging if configured
  40                 self.debug = debug or self.config.getboolean("global", "debug")
  41
  42                 # Setup database.
  43                 self.setup_database()
  44
  45                 # Initialize settings first.
  46                 self.settings = settings.Settings(self)
  47                 self.memcache = memcached.Memcached(self)
  48
  49                 # Initialize backend modules.
  50                 self.accounts = accounts.Accounts(self)
  51                 self.geoip = geoip.GeoIP(self)
  52                 self.fireinfo = fireinfo.Fireinfo(self)
  53                 self.iuse = iuse.IUse(self)
  54                 self.mirrors = mirrors.Mirrors(self)
  55                 self.netboot = netboot.NetBoot(self)
  56                 self.nopaste = nopaste.Nopaste(self)
  57                 self.releases = releases.Releases(self)
  58                 self.talk = talk.Talk(self)
  59
  60                 self.blog = blog.Blog(self)
  61                 self.wiki = wiki.Wiki(self)
  62                 self.zeiterfassung = zeiterfassung.ZeiterfassungClient(self)
  63
  64         def read_config(self, configfile):
  65                 cp = configparser.ConfigParser()
  66
  67                 # Initialize configuration with some sensible defaults
  68                 cp.readfp(DEFAULT_CONFIG)
  69
  70                 # Parse file
  71                 cp.read(configfile)
  72
  73                 return cp
  74
  75         def setup_database(self):
  76                 """
  77                         Sets up the database connection.
  78                 """
  79                 credentials = {
  80                         "host"     : self.config.get("database", "server"),
  81                         "database" : self.config.get("database", "database"),
  82                         "user"     : self.config.get("database", "username"),
  83                         "password" : self.config.get("database", "password"),
  84                 }
  85
  86                 self.db = database.Connection(**credentials)
  87
  88         @tornado.gen.coroutine
  89         def run_task(self, task, *args, **kwargs):
  90                 tasks = {
  91                         "cleanup-messages"  : self.messages.queue.cleanup,
  92                         "rebake-wiki"       : self.wiki.rebake,
  93                         "scan-files"        : self.releases.scan_files,
  94                         "send-all-messages" : self.messages.queue.send_all,
  95                         "update-blog-feeds" : self.blog.update_feeds,
  96                 }
  97
  98                 # Get the task from the list of all tasks
  99                 func = tasks.get(task, None)
 100                 if not func:
 101                         raise ValueError("Unknown task: %s" % task)
 102
 103                 # Run the task
 104                 r = yield func(*args, **kwargs)
 105
 106                 # If any error code has been returned,
 107                 # we will end the program
 108                 if r:
 109                         raise SystemExit(r)
 110
 111         @lazy_property
 112         def messages(self):
 113                 return messages.Messages(self)