1 import subprocess, os

     2 

     3 def GetAppRevision():

     4     rev = None

     5     app_dir=os.path.dirname(os.path.realpath(__file__))    

     6     try:

     7         pipe = subprocess.Popen(

     8             ["hg", "id", "-i"],

     9             stdout = subprocess.PIPE,

    10             cwd = app_dir

    11         )

    12         rev = pipe.communicate()[0]

    13         if pipe.returncode != 0:

    14             rev = None

    15     except:

    16         pass

    17     

    18     # if this is not mercurial repository

    19     # try to read revision from file

    20     if rev is None:

    21         try:

    22             f = open(os.path.join(app_dir,"revision"))

    23             rev = f.readline()

    24         except:

    25             pass

    26     return rev

    27 

    28 app_version =  "1.2"

    29 rev = GetAppRevision()

    30 if rev is not None:

    31     app_version = app_version + "-" + rev.rstrip()

    32     

    33         

    34