fix dependency ordering for zope interface (twisted now has its own dependency checke...

[irc/quakenet/qwebirc.git] / bin / dependencies_b.py

# this is separate to allow us to use python 2.5 syntax without\r
# the dependency checker breaking on earlier versions.\r
\r
import sys\r
import subprocess\r
import os\r
\r
def fail(*message):\r
  print >>sys.stderr, "\n".join(message)\r
  sys.exit(1)\r
  \r
def warn(*message):\r
  print >>sys.stderr, "warning:", "\nwarning: ".join(message), "\n"\r
\r
def check_dependencies():\r
  i = 0\r
\r
  check_zope()\r
  check_twisted()\r
  check_win32()\r
  i+=check_json()\r
  i+=check_java()\r
  i+=check_hg()\r
  \r
  print "0 errors, %d warnings." % i\r
  \r
  if i == 0:\r
    print "looks like you've got everything you need to run qwebirc!"\r
  else:\r
    print "you can run qwebirc despite these."\r
\r
  f = open(".checked", "w")\r
  f.close()\r
  \r
def check_win32():\r
  if not sys.platform.startswith("win"):\r
    return\r
  \r
  try:\r
    import win32con\r
  except ImportError:\r
    fail("qwebirc requires pywin32, see:", "http://sourceforge.net/project/showfiles.php?group_id=78018")\r
  \r
def check_java():\r
  def java_warn(specific):\r
    warn(specific, "java is not required, but allows qwebirc to compress output,", "making it faster to download.", "you can get java at http://www.java.com/")\r
    \r
  try:\r
    p = subprocess.Popen(["java", "-version"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=os.name == "nt")\r
    p.communicate()\r
    if p.wait() != 0:\r
      java_warn("something went wrong looking for java.")\r
      return 1\r
  except: # ugh\r
    java_warn("couldn't find java.")\r
    return 1\r
    \r
  return 0\r
  \r
def check_hg():\r
  def hg_warn(specific):\r
    warn(specific, "mercurial (hg) is not required, but allows qwebirc to save bandwidth by versioning.", "you can get hg at http://www.selenic.com/mercurial/")\r
    \r
  try:\r
    p = subprocess.Popen(["hg", "id"], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=os.name == "nt")\r
    p.communicate()\r
    if p.wait() != 0:\r
      hg_warn("something went wrong looking for mercurial.")\r
      return 1\r
  except: # ugh\r
    hg_warn("couldn't find mercurial.")\r
    return 1\r
    \r
  return 0\r
  \r
def check_zope():\r
  try:\r
    from zope.interface import Interface\r
  except ImportError:\r
    if sys.platform.startswith("win"):\r
      fail("qwebirc requires zope interface",\r
           "see pypi: http://pypi.python.org/pypi/zope.interface")\r
    else:\r
      fail("qwebirc requires zope interface.",\r
           "this should normally come with twisted, but can be downloaded",\r
           "from pypi: http://pypi.python.org/pypi/zope.interface")\r
           \r
def check_twisted():\r
  try:\r
    import twisted\r
  except ImportError:\r
    fail("qwebirc requires twisted (at least 8.2.0), see http://twistedmatrix.com/")\r
\r
  def twisted_fail(x, y=None):\r
    fail("you don't seem to have twisted's %s module." % x,\r
         "your distro is most likely modular, look for a twisted %s package%s." % (x, " %s" % y if y else "",))\r
\r
  try:\r
    import twisted.names\r
  except ImportError:\r
    twisted_fail("names")\r
\r
  try:\r
    import twisted.mail\r
  except ImportError:\r
    twisted_fail("mail")\r
\r
  try:\r
    import twisted.web\r
  except ImportError:\r
    twisted_fail("web", "(not web2)")\r
\r
  try:\r
    import twisted.words\r
  except ImportError:\r
    twisted_fail("words")\r
    \r
def check_json():\r
  import qwebirc.util.qjson\r
  if qwebirc.util.qjson.slow:\r
    warn("simplejson module with C speedups not installed.",\r
         "using embedded module (slower); consider installing simplejson from:",\r
         "http://pypi.python.org/pypi/simplejson/")\r
    return 1\r
  return 0\r
  \r
if __name__ == "__main__":\r
  import dependencies\r
  dependencies.check_dependencies()\r