projects.mako.cc - iron-blogger/blob - render.py

   1 #!/usr/bin/python
   2 import yaml
   3 from dateutil.parser import parse
   4 import datetime
   5 import dateutil.tz as tz
   6 import sys
   7 import os
   8 import os.path
   9 import subprocess
  10 from mako.template import Template
  11
  12 START = datetime.datetime(2011, 10, 24, 6)
  13 HERE  = os.path.dirname(__file__)
  14
  15 def get_balance(acct):
  16     p = subprocess.Popen(['ledger', '-f', os.path.join(HERE,'ledger'),
  17                           '-n', 'balance', acct],
  18                          stdout=subprocess.PIPE)
  19     (out, _) = p.communicate()
  20     return float(out.split()[0][1:])
  21
  22 def get_debts():
  23     p = subprocess.Popen(['ledger', '-f',
  24                            os.path.join(HERE, 'ledger'),
  25                            '--no-color', '--flat',
  26                            '--no-total', 'balance', 'Pool:Owed:'],
  27                          stdout=subprocess.PIPE)
  28     (out, _) = p.communicate()
  29     debts = []
  30     for line in out.split("\n"):
  31         if not line: continue
  32         (val, acct) = line.split()
  33         user = acct[len("Pool:Owed:"):]
  34         val  = float(val[len("$"):])
  35         debts.append((user, val))
  36     return debts
  37
  38 def to_week_num(date):
  39     return (parse(date, default=START) - START).days / 7
  40
  41 def parse_skip(rec):
  42     spec = rec.get('skip', [])
  43     out = []
  44     for s in spec:
  45         if isinstance(s, list):
  46             out.append(map(to_week_num, s))
  47         else:
  48             out.append(to_week_num(s))
  49     return out
  50
  51 def should_skip(skips, week):
  52     for e in skips:
  53         if e == week:
  54             return True
  55         if isinstance(e, list) and e[0] <= week and e[1] > week:
  56             return True
  57     return False
  58
  59 def render_template(path, week=None, **kwargs):
  60     with open('out/report.yml') as r:
  61         report = yaml.safe_load(r)
  62
  63     with open('bloggers.yml') as f:
  64         users = yaml.safe_load(f)
  65     if week:
  66         week = parse(week, default=START)
  67     else:
  68         week = START
  69
  70     week = (week - START).days / 7
  71     week_start = START + (week * datetime.timedelta(7))
  72     week_end   = START + ((week + 1) * datetime.timedelta(7))
  73
  74     good = []
  75     lame = []
  76     skip = []
  77     userlist = []
  78
  79     class User(object):
  80         pass
  81
  82     for (un, rec) in users.items():
  83         u = User()
  84         u.username = un
  85         u.links = rec['links']
  86         u.start = rec['start']
  87         u.end   = rec.get('end')
  88         u.skip  = parse_skip(rec)
  89         u.weeks = report.get(un, [])
  90
  91         userlist.append(u)
  92
  93     def user_key(u):
  94         return (u.start, u.username)
  95
  96     userlist.sort(key=user_key)
  97
  98     for u in userlist:
  99         user_start = parse(u.start, default=START)
 100         if u.end and parse(u.end, default=START) <= week_start:
 101             continue
 102
 103         if should_skip(u.skip, week):
 104             pass
 105         elif user_start > week_start:
 106             skip.append(u)
 107         elif len(u.weeks) <= week or not u.weeks[week]:
 108             lame.append(u)
 109         else:
 110             good.append(u)
 111
 112     debts = get_debts()
 113
 114     return Template(filename=path, output_encoding='utf-8').render(
 115         week=week, week_start=week_start,week_end=week_end,
 116         good=good, lame=lame, skip=skip, userlist=userlist,
 117         pool=get_balance('Pool'), paid=get_balance('Pool:Paid'),
 118         debts=debts, **kwargs)
 119
 120 if __name__ == '__main__':
 121     if len(sys.argv) < 2:
 122         print >>sys.stderr, "Usage: %s TEMPLATE [WEEK]"
 123         sys.exit(1)
 124
 125     template = sys.argv[1]
 126     week = None
 127     if len(sys.argv) > 2: week = sys.argv[2]
 128     print render_template(template, week)