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import os
# Do not get the version list from pyversions, it isn't reliable
py_supported = ['python2.4','python2.5']
py_installed = [ ver for ver in py_supported if os.access('/usr/bin/'+ver,os.X_OK) ]
py_supported_short = [ a.replace("python","") for a in py_supported ]
py_oldversions = ['python2.1','python2.2','python2.3']
def version_cmp(ver1,ver2):
v1=[int(i) for i in ver1.split('.')]
v2=[int(i) for i in ver2.split('.')]
return cmp(v1,v2)
# Parse the version format from .version files
class version_list:
def __init__(self,version_info):
self.verlist=[]
dummylist=[]
for item in version_info.rstrip('\n').split(','):
v=[i.strip() for i in item.split('-')]
if len(v)>1:
if v[0]:
dummylist.append(v[0])
else:
v[0] = py_supported_short[0]
dummylist.append("0")
if v[1]:
dummylist.append(v[1])
else:
v[1] = py_supported_short[-1]
dummylist.append("100")
for ver in py_supported_short:
try:
if version_cmp(ver,v[0]) >= 0 and version_cmp(ver,v[1]) <= 0:
self.verlist.append(ver)
except ValueError:
pass
else:
dummylist.append(v[0])
if v[0] in py_supported_short:
self.verlist.append(v[0])
self.verlist.sort(version_cmp)
dummylist.sort(version_cmp)
self.min=dummylist[0]
if self.min=="0": self.min=None
self.max=dummylist[-1]
if self.max=="100": self.max=None
self.pylist=['python'+i for i in self.verlist]
def __iter__(self):
return iter(self.pylist)
def __contains__(self,item):
return item in self.pylist
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