Revert "Support invoking mypy from setuptools"

This reverts commit 7e42ac8.

Author: JukkaL

mypy/build.py

@@ -203,10 +203,6 @@ def default_data_dir(bin_dir: str) -> str:
     # TODO fix this logic
     if not bin_dir:
         # Default to directory containing this file's parent.
-        grandparent_dir = os.path.dirname(os.path.dirname(__file__))
-        # Running from within an egg, likely from setuptools.
-        if grandparent_dir.endswith('.egg'):
-            return os.path.join(grandparent_dir, 'lib', 'mypy')
         return os.path.dirname(os.path.dirname(__file__))
     base = os.path.basename(bin_dir)
     dir = os.path.dirname(bin_dir)

mypy/main.py

@@ -2,14 +2,11 @@
 
 import os
 import os.path
-import shlex
 import shutil
 import subprocess
 import sys
 import tempfile
 
-import setuptools as setuptools  # type: ignore
-
 import typing
 from typing import Dict, List, Tuple
 
@@ -34,45 +31,6 @@ def __init__(self) -> None:
         self.dirty_stubs = False
 
 
-class MyPyCommand(setuptools.Command):
-    """The :class:`MyPyCommand` class is used by setuptools to perform
-    type checks on registered modules.
-    """
-
-    description = "Validate PEP 0484 Types with mypy"
-    user_options = [
-        ('mypy-args=', None, 'Arguments to pass through to mypy')
-    ]  # type: List[tuple]
-
-    def initialize_options(self):
-        self.mypy_args = ''
-
-    def finalize_options(self):
-        pass
-
-    def run(self):
-        try:
-            mypy_options = []
-            for package in sorted(set(self.distribution.packages)):
-                mypy_options.append('--package')
-                mypy_options.append(package)
-            mypy_options.extend(shlex.split(self.mypy_args))
-            sources, options = process_options(mypy_options)
-            # If the user has requested to use the python_path during analysis,
-            # fetch all required eggs (This will also add them to sys.path).
-            # This will ensure mypy behaves as if the package were installed
-            # globally without having to globally install it to modify
-            # PYTHONPATH
-            if options.python_path and self.distribution.install_requires:
-                self.distribution.fetch_build_eggs(
-                    self.distribution.install_requires)
-            type_check_only(sources, None, options)
-        except CompileError as e:
-            for m in e.messages:
-                sys.stderr.write(m + '\n')
-            sys.exit(1)
-
-
 def main(script_path: str) -> None:
     """Main entry point to the type checker.
 

setup.py

@@ -5,7 +5,7 @@
 import os.path
 import sys
 
-from setuptools import setup
+from distutils.core import setup
 from mypy.version import __version__
 from mypy import git
 
@@ -69,13 +69,6 @@ def find_data_files(base, globs):
     'Topic :: Software Development',
 ]
 
-entry_points = {
-    'distutils.commands': [
-        'mypy = mypy.main:MyPyCommand'
-    ]
-}
-
-
 setup(name='mypy-lang',
       version=version,
       description=description,
@@ -91,5 +84,4 @@ def find_data_files(base, globs):
       scripts=['scripts/mypy', 'scripts/stubgen'],
       data_files=data_files,
       classifiers=classifiers,
-      entry_points=entry_points,
       )