www/webapp/datastore/releases.py

   1 #!/usr/bin/python
   2
   3 import simplejson
   4
   5 from tornado.database import Row
   6
   7 class ReleaseItem(Row):
   8         options = {
   9                 "iso" : {
  10                         "prio" : 10,
  11                         "desc" : "Installable CD image",
  12                         "url"  : "http://download.ipfire.org/iso/",
  13                         "rem"  : "Use this image to burn a CD and install IPFire from it.",
  14                 },
  15                 "torrent" : {
  16                         "prio" : 20,
  17                         "desc" : "Torrent file",
  18                         "url"  : "http://download.ipfire.org/torrent/",
  19                         "rem"  : "Download the CD image from the torrent network.",
  20                 },
  21                 "flash" : {
  22                         "prio" : 40,
  23                         "desc" : "Flash image",
  24                         "url"  : "http://download.ipfire.org/iso/",
  25                         "rem"  : "An image that is meant to run on embedded devices.",
  26                 },
  27                 "alix" : {
  28                         "prio" : 41,
  29                         "desc" : "Alix image",
  30                         "url"  : "http://download.ipfire.org/iso/",
  31                         "rem"  : "Flash image where a serial console is enabled by default.",
  32                 },
  33                 "usbfdd" : {
  34                         "prio" : 30,
  35                         "desc" : "USB FDD image",
  36                         "url"  : "http://download.ipfire.org/iso/",
  37                         "rem"  : "Install IPFire from a floppy-formated USB key.",
  38                 },
  39                 "usbhdd" : {
  40                         "prio" : 30,
  41                         "desc" : "USB HDD image",
  42                         "url"  : "http://download.ipfire.org/iso/",
  43                         "rem"  : "If the floppy image doesn't work, use this image instead.",
  44                 },
  45                 "xen" : {
  46                         "prio" : 50,
  47                         "desc" : "Pregenerated Xen image",
  48                         "url"  : "http://download.ipfire.org/iso/",
  49                         "rem"  : "A ready-to-run image for Xen.",
  50                 },
  51         }
  52
  53         def __init__(self, info):
  54                 self.info = info
  55
  56         def __getattr__(self, key):
  57                 return self.info[key]
  58
  59         @property
  60         def downloads(self):
  61                 ret = []
  62                 for fileitem in self.info["files"]:
  63                         filetype = fileitem["type"]
  64                         ret.append(Row(
  65                                 desc = self.options[filetype]["desc"],
  66                                 file = fileitem["name"],
  67                                 hash = fileitem.get("hash", None),
  68                                 prio = self.options[filetype]["prio"],
  69                                 rem  = self.options[filetype]["rem"],
  70                                 sha1 = fileitem.get("sha1", None),
  71                                 type = filetype,
  72                                 url  = self.options[filetype]["url"] + fileitem["name"],
  73                         ))
  74
  75                 ret.sort(lambda a, b: cmp(a.prio, b.prio))
  76                 return ret
  77
  78         @property
  79         def iso(self):
  80                 for download in self.downloads:
  81                         if download.type == "iso":
  82                                 return download
  83
  84         @property
  85         def torrent(self):
  86                 for download in self.downloads:
  87                         if download.type == "torrent":
  88                                 return download
  89
  90         @property
  91         def stable(self):
  92                 return self.status == "stable"
  93
  94         @property
  95         def development(self):
  96                 return self.status == "development"
  97
  98
  99 class Releases(object):
 100         def __init__(self, application, filename="releases.json"):
 101                 self.application = application
 102                 self.items = []
 103
 104                 if filename:
 105                         self.load(filename)
 106
 107         def load(self, filename):
 108                 with open(filename) as f:
 109                         self.items = [ReleaseItem(i) for i in simplejson.load(f)]
 110
 111         @property
 112         def all(self):
 113                 return self.items
 114
 115         @property
 116         def online(self):
 117                 ret = []
 118                 for item in self.all:
 119                         if item.online:
 120                                 ret.append(item)
 121                 return ret
 122
 123         @property
 124         def offline(self):
 125                 ret = []
 126                 for item in self.all:
 127                         if not item.online:
 128                                 ret.append(item)
 129                 return ret
 130
 131         @property
 132         def latest(self):
 133                 if self.stable:
 134                         return self.stable[0]
 135
 136         @property
 137         def latest_devel(self):
 138                 if self.development:
 139                         return self.development[0]
 140
 141         @property
 142         def stable(self):
 143                 ret = []
 144                 for item in self.online:
 145                         if item.stable:
 146                                 ret.append(item)
 147                 return ret
 148
 149         @property
 150         def development(self):
 151                 ret = []
 152                 for item in self.online:
 153                         if item.development:
 154                                 ret.append(item)
 155                 return ret
 156
 157         @property
 158         def torrents(self):
 159                 ret = []
 160                 for item in self.online:
 161                         if item.torrent:
 162                                 ret.append(item)
 163                 return ret