Merge pull request #669 from JamesGuthrie/version

Add --version option

Author: JukkaL

mypy/version.py

@@ -0,0 +1 @@
+__version__ = '0.2.0-dev'

scripts/mypy

@@ -14,6 +14,8 @@ from typing import List, Tuple
 from mypy import build
 from mypy.errors import CompileError
 
+from mypy.version import __version__
+
 
 class Options:
     def __init__(self) -> None:
@@ -87,6 +89,7 @@ def process_options(args: List[str]) -> Tuple[str, str, Options]:
     """
     options = Options()
     help = False
+    ver = False
     while args and args[0].startswith('-'):
         if args[0] == '--verbose':
             options.build_flags.append(build.VERBOSE)
@@ -117,12 +120,18 @@ def process_options(args: List[str]) -> Tuple[str, str, Options]:
         elif args[0] == '--use-python-path':
             options.python_path = True
             args = args[1:]
+        elif args[0] == '--version':
+            ver = True
+            args = args[1:]
         else:
             usage('Unknown option: {}'.format(args[0]))
 
     if help:
         usage()
 
+    if ver:
+        version()
+
     if not args:
         usage('Missing target file or module')
 
@@ -153,12 +162,16 @@ Optional arguments:
   -m mod             type check module
   --verbose          more verbose messages
   --use-python-path  search for modules in sys.path of running Python
+  --version          show the current version information
 
 Environment variables:
   MYPYPATH     additional module search path
 """)
     sys.exit(2)
 
+def version() -> None:
+    sys.stdout.write("mypy {}\n".format(__version__))
+    exit(0)
 
 def fail(msg: str) -> None:
     sys.stderr.write('%s\n' % msg)

setup.py

@@ -6,12 +6,13 @@
 import sys
 
 from distutils.core import setup
+from mypy.version import __version__
 
 if sys.version_info < (3, 2, 0):
     sys.stderr.write("ERROR: You need Python 3.2 or later to use mypy.\n")
     exit(1)
 
-version = '0.2.0'
+version = __version__
 description = 'Optional static typing for Python'
 long_description = '''
 Mypy -- Optional Static Typing for Python