Support compilation with mypyc (#1009)

[etc/vim.git] / setup.py

diff --git a/setup.py b/setup.py
index 074605a99a4b8a54351cc9f07e58d003043fcc54..7569d5105bbec017c0947adc36382fbb80be7b6c 100644 (file)
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,13 @@
 # Copyright (C) 2018 Łukasz Langa
 from setuptools import setup
 import sys
+import os
 
 assert sys.version_info >= (3, 6, 0), "black requires Python 3.6+"
 from pathlib import Path  # noqa E402
 
 CURRENT_DIR = Path(__file__).parent
+sys.path.insert(0, str(CURRENT_DIR))  # for setuptools.build_meta
 
 
 def get_long_description() -> str:
@@ -14,6 +16,33 @@ def get_long_description() -> str:
         return ld_file.read()
 
 
+USE_MYPYC = False
+# To compile with mypyc, a mypyc checkout must be present on the PYTHONPATH
+if len(sys.argv) > 1 and sys.argv[1] == "--use-mypyc":
+    sys.argv.pop(1)
+    USE_MYPYC = True
+if os.getenv("BLACK_USE_MYPYC", None) == "1":
+    USE_MYPYC = True
+
+if USE_MYPYC:
+    mypyc_targets = [
+        "black.py",
+        "blib2to3/pytree.py",
+        "blib2to3/pygram.py",
+        "blib2to3/pgen2/parse.py",
+        "blib2to3/pgen2/grammar.py",
+        "blib2to3/pgen2/token.py",
+        "blib2to3/pgen2/driver.py",
+        "blib2to3/pgen2/pgen.py",
+    ]
+
+    from mypyc.build import mypycify
+
+    opt_level = os.getenv("MYPYC_OPT_LEVEL", "3")
+    ext_modules = mypycify(mypyc_targets, opt_level=opt_level)
+else:
+    ext_modules = []
+
 setup(
     name="black",
     use_scm_version={
@@ -29,6 +58,7 @@ setup(
     url="https://github.com/psf/black",
     license="MIT",
     py_modules=["black", "blackd", "_black_version"],
+    ext_modules=ext_modules,
     packages=["blib2to3", "blib2to3.pgen2"],
     package_data={"blib2to3": ["*.txt"]},
     python_requires=">=3.6",
@@ -38,9 +68,12 @@ setup(
         "attrs>=18.1.0",
         "appdirs",
         "toml>=0.9.4",
-        "typed-ast>=1.3.1",
+        "typed-ast>=1.4.0",
         "regex",
         "pathspec>=0.6, <1",
+        "dataclasses>=0.6; python_version < '3.7'",
+        "typing_extensions>=3.7.4",
+        "mypy_extensions>=0.4.3",
     ],
     extras_require={"d": ["aiohttp>=3.3.2", "aiohttp-cors"]},
     test_suite="tests.test_black",