Add basic functionnality to guess operating system

slapos/recipe/build.py

@@ -31,6 +31,7 @@ import setuptools
 import shlex
 import shutil
 import subprocess
+import sys
 import tempfile
 import zc.buildout
 
@@ -41,6 +42,12 @@ ARCH_MAP = {
     'x86_64': 'x86-64'
 }
 
+OS_MAP = {
+    'darwin': 'mac',
+    'linux2': 'linux'
+    #To be continued
+}
+
 
 def readElfAsDict(f):
   """Reads ELF information from file"""
@@ -102,13 +109,17 @@ def guessworkdir(path):
     return os.path.join(path, os.listdir(path)[0])
   return path
 
-
 def guessPlatform():
   arch = uname()[-2]
   target = ARCH_MAP.get(arch)
   assert target, 'Unknown architecture'
   return target
 
+def guessOperatingSystem():
+  platform = sys.platform
+  target = OS_MAP.get(platform)
+  assert target, 'Unknown architecture'
+  return target
 
 TRUE_LIST = ('y', 'on', 'yes', 'true', '1')