" Version:      1.0
" Last Change:  Sat, 14 May 2011 14:38:50 +0200
" Maintainer:   Michon van Dooren <michon1992+vim+publish  gmail  com>
" Description:  Vim plugin that allows you to paste/publish pieces of code to various sites.
" Requires:     +python
" Commands:
" :Publish <site> <arguments>
"     Site can be any valid publisher.
"     Arguments are site-specific.


if has('python')
  command! -nargs=* -range=% Publish execute ':<line1>,<line2>python publish(<f-args>)'
else
  command! -nargs=* -range=% Publish echo 'Only avaliable with +python support.'
endif

if has('python')
python << EOF
def getvar(varname, default):
  if int(vim.eval('exists("' + varname + '")')):
    return vim.eval(varname)
  elif default:
    return default
  else:
    raise Exception('The setting ' + varname + ' is required')

def getglobalsetting(settingname, default = None):
  return getvar('g:Publish_' + settingname, default)
def getsetting(settingname, default = None):
  return getvar('g:Publish_' + getsetting.sitename + '_' + settingname, default)

def publish(site=None, *args):
  import urllib, imp, vim

  if not site:
    site = getglobalsetting('default_site', 'pastebin')
  getsetting.sitename = site

  fn = vim.eval('findfile("publishers/' + site + '.py", &rtp)')
  if not fn:
    raise Exception('no publisher exists for ' + site)

  with open(fn, 'r') as f:
    mod = imp.load_module('vim_publisher_' + site, f, fn, ('.py', 'U', 1))
    mod.getglobalsetting = getglobalsetting
    mod.getsetting = getsetting

  data = {
    'code': '\n'.join(vim.current.range),
    'lang': vim.eval('&filetype'),
  }

  if hasattr(mod, 'publish'):
    response = mod.publish(data, *args)

  elif hasattr(mod, 'process'):
    data = mod.process(data, *args)
    response = urllib.urlopen(mod.url, urllib.urlencode(data))

  else:
    raise Exception('The publisher for ' + site + ' seems to be broken')

  print(dir(response))
  print('Published to ' + response.read())
EOF
endif