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comparison configmix/variables.py @ 43:0e9f1f875ab0

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A new PY variable namespace with some variables about the Python implementation and version
author Franz Glasner <f.glasner@feldmann-mg.com>
date Tue, 19 Apr 2016 12:22:15 +0200
parents 3ee21f868440
children b42e9936df2d
comparison
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42:d6e69d108a35 43:0e9f1f875ab0
33 if name == "cwd": 33 if name == "cwd":
34 return native_os_str_to_text(os.getcwd()) 34 return native_os_str_to_text(os.getcwd())
35 raise KeyError("key %r not found in the namespace" % name) 35 raise KeyError("key %r not found in the namespace" % name)
36 36
37 37
38 def _pylookup(name, default=_MARKER):
39 """Lookup a Python specific variable"""
40 import platform
41 if name == "version":
42 return u(platform.python_version())
43 elif name == "implementation":
44 return u(platform.python_implementation())
45 elif name == "version_maj_min":
46 t = platform.python_version_tuple()
47 return u('.'.join(t[:2]))
48 elif name == "version_maj":
49 t = platform.python_version_tuple()
50 return u(t[0])
51 else:
52 if default is _MARKER:
53 raise KeyError("variable %r not found in namespace PY" % name)
54 else:
55 return default
56
57
38 _varns_registry = { 58 _varns_registry = {
39 "ENV": _envlookup, 59 "ENV": _envlookup,
40 "OS": _oslookup 60 "OS": _oslookup,
61 "PY": _pylookup
41 } 62 }
42 63
43 64
44 def lookup_varns(name): 65 def lookup_varns(name):
45 return _varns_registry[_normalized(name)] 66 return _varns_registry[_normalized(name)]