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import glob
import logging
import os
import pkg_resources
import re
import shutil
import subprocess
import sys
import tarfile
from urllib.request import urlopen
from setuptools import setup, find_packages, Extension
from setuptools.command.build_ext import build_ext
VERSION = "2.12.6"
LIBUAST_VERSION = "v1.9.5"
SDK_VERSION = "v1.16.1"
SDK_MAJOR = SDK_VERSION.split('.')[0]
FORMAT_ARGS = globals()
# For debugging libuast-client interactions, set to True in production!
GET_LIBUAST = True
if not GET_LIBUAST:
print("WARNING: not retrieving libuast, using local version")
if os.getenv("CC") is None:
os.environ["CC"] = "g++" # yes, g++ - otherwise distutils will use gcc -std=c++11 and explode
if os.getenv("CXX") is None:
os.environ["CXX"] = "g++"
libraries = ['xml2']
sources = ["bblfsh/pyuast.cc", "bblfsh/memtracker.cc"]
log = logging.getLogger("setup.py")
class CustomBuildExt(build_ext):
def run(self):
global libraries
global sources
if "--global-uast" in sys.argv:
libraries.append("uast")
else:
sources.append("bblfsh/libuast/uast.cc")
sources.append("bblfsh/libuast/roles.c")
get_libuast()
build_ext.run(self)
def j(*paths):
return os.path.join(*paths)
def mkdir(path):
path = path.format(**FORMAT_ARGS)
log.info("mkdir -p " + path)
os.makedirs(path, exist_ok=True)
def rimraf(path):
path = path.format(**FORMAT_ARGS)
log.info("rm -rf " + path)
shutil.rmtree(path, ignore_errors=True)
def mv(src, dst):
src = src.format(**FORMAT_ARGS)
dst = dst.format(**FORMAT_ARGS)
log.info("mv %s %s", src, dst)
shutil.rmtree(dst, ignore_errors=True)
os.rename(src, dst)
def cp(src, dst):
src = src.format(**FORMAT_ARGS)
dst = dst.format(**FORMAT_ARGS)
log.info("cp -p %s %s", src, dst)
shutil.rmtree(dst, ignore_errors=True)
shutil.copy2(src, dst)
def cpr(src, dst):
src = src.format(**FORMAT_ARGS)
dst = dst.format(**FORMAT_ARGS)
log.info("cp -pr %s %s", src, dst)
if os.path.isdir(dst):
shutil.rmtree(dst)
shutil.copytree(src, dst, symlinks=True)
def untar_url(url, path="."):
log.info("tar xf " + url)
with urlopen(url) as response:
response.tell = lambda: 0 # tarfile calls it only once in the beginning
with tarfile.open(fileobj=response, mode=("r:" + url.rsplit(".", 1)[-1])) as tar:
tar.extractall(path=path)
def call(*cmd):
log.info(" ".join(cmd))
subprocess.check_call(cmd)
def create_dirs():
mkdir(j("proto", "gopkg.in", "bblfsh", "sdk.{SDK_MAJOR}", "protocol"))
mkdir(j("proto", "gopkg.in", "bblfsh", "sdk.{SDK_MAJOR}", "uast"))
mkdir(j("bblfsh", "gopkg", "in", "bblfsh", "sdk", SDK_MAJOR, "protocol"))
mkdir(j("bblfsh", "gopkg", "in", "bblfsh", "sdk", SDK_MAJOR, "uast"))
mkdir(j("bblfsh", "github", "com", "gogo", "protobuf", "gogoproto"))
def create_inits():
init_files = [
j("bblfsh", "github", "__init__.py"),
j("bblfsh", "github", "com", "__init__.py"),
j("bblfsh", "github", "com", "gogo", "__init__.py"),
j("bblfsh", "github", "com", "gogo", "protobuf", "__init__.py"),
j("bblfsh", "github", "com", "gogo", "protobuf", "gogoproto", "__init__.py"),
j("bblfsh", "gopkg", "__init__.py"),
j("bblfsh", "gopkg", "in", "__init__.py"),
j("bblfsh", "gopkg", "in", "bblfsh", "__init__.py"),
j("bblfsh", "gopkg", "in", "bblfsh", "sdk", "__init__.py"),
j("bblfsh", "gopkg", "in", "bblfsh", "sdk", SDK_MAJOR, "__init__.py"),
j("bblfsh", "gopkg", "in", "bblfsh", "sdk", SDK_MAJOR, "uast", "__init__.py"),
j("bblfsh", "gopkg", "in", "bblfsh", "sdk", SDK_MAJOR, "protocol", "__init__.py"),
]
for f in init_files:
open(f, "w").close()
def get_libuast():
if not GET_LIBUAST:
return
untar_url(
"https://github.com/bblfsh/libuast/archive/{LIBUAST_VERSION}/{LIBUAST_VERSION}.tar.gz"
.format(**FORMAT_ARGS))
mv("libuast-" + LIBUAST_VERSION.replace("v", ""), "libuast")
cpr(j("libuast", "src"), j("bblfsh", "libuast"))
rimraf("libuast")
def proto_download():
untar_url("https://github.com/bblfsh/sdk/archive/%s.tar.gz" % SDK_VERSION)
sdkdir = "sdk-" + SDK_VERSION[1:]
destdir = j("proto", "gopkg.in", "bblfsh", "sdk.{SDK_MAJOR}")
cp(j(sdkdir, "protocol", "generated.proto"), j(destdir, "protocol", "generated.proto"))
cp(j(sdkdir, "uast", "generated.proto"), j(destdir, "uast", "generated.proto"))
rimraf(sdkdir)
def proto_compile():
sysinclude = "-I" + pkg_resources.resource_filename("grpc_tools", "_proto")
from grpc.tools import protoc as protoc_module
from_import_re = re.compile(r"from ((github|gopkg)\.[^ ]*) import (.*)")
importlib_import_re = re.compile(r"([^ ]+) = importlib\.import_module\('(.*)")
grpc_import_re = re.compile(
r"from (([^ .]+\.)*in(\.[^ .]+)*) import ([^ ]+) as ([^\n]+)")
def patch(file, *patchers):
with open(file) as fin:
code = fin.readlines()
for i, line in enumerate(code):
for regexp, replacer in patchers:
match = regexp.match(line)
if match:
code[i] = replacer(match)
log.info("patched import in %s: %s", file, match.groups()[0])
break
if line.startswith("class") or line.startswith("DESCRIPTOR"):
break
with open(file, "w") as fout:
fout.write("".join(code))
def protoc(proto_file, grpc=False):
main_args = [protoc_module.__file__, "--python_out=bblfsh"]
target_dir = j("bblfsh", *os.path.dirname(proto_file).split("."))
if grpc:
# using "." creates "gopkg.in" instead of "gopkg/in" directories
main_args += ["--grpc_python_out=" + target_dir]
main_args += ["-Iproto", sysinclude, j("proto", proto_file)]
log.info("%s -m grpc.tools.protoc " + " ".join(main_args[1:]), sys.executable)
protoc_module.main(main_args)
if grpc:
# we need to move the file back to grpc_out
grpc_garbage_dir = None
target = j(target_dir, "generated_pb2_grpc.py")
for root, dirnames, filenames in os.walk(target_dir):
for filename in filenames:
if filename == "generated_pb2_grpc.py" and grpc_garbage_dir is not None:
mv(j(root, filename), target)
if os.path.samefile(root, target_dir):
grpc_garbage_dir = j(root, dirnames[0])
rimraf(grpc_garbage_dir)
# grpc ignores "in" and we need to patch the import path
def grpc_replacer(match):
groups = match.groups()
return 'import importlib\n%s = importlib.import_module("bblfsh.%s.%s")\n' % (
groups[-1], groups[0], groups[-2])
patch(target, (grpc_import_re, grpc_replacer))
target = glob.glob(j(target_dir, "*_pb2.py"))[0]
def from_import_replacer(match):
return "from bblfsh.%s import %s\n" % (match.group(1), match.group(3))
def importlib_import_replacer(match):
return "%s = importlib.import_module('bblfsh.%s\n" % (match.group(1), match.group(2))
patch(target,
(from_import_re, from_import_replacer),
(importlib_import_re, importlib_import_replacer))
protoc(j("gopkg.in", "bblfsh", "sdk." + SDK_MAJOR, "protocol", "generated.proto"), True)
protoc(j("github.com", "gogo", "protobuf", "gogoproto", "gogo.proto"))
protoc(j("gopkg.in", "bblfsh", "sdk." + SDK_MAJOR, "uast", "generated.proto"))
def do_get_deps():
get_libuast()
create_dirs()
create_inits()
proto_download()
proto_compile()
def clean():
rimraf("gopkg.in")
rimraf(j("bblfsh", "github"))
rimraf(j("bblfsh", "gopkg"))
if GET_LIBUAST:
rimraf(j("bblfsh", "libuast"))
def main():
# The --global-uast flag allows to install the python driver using the installed uast library
if "--log" in sys.argv:
logging.basicConfig(level=logging.INFO)
if "--getdeps" in sys.argv:
do_get_deps()
sys.exit()
if "--clean" in sys.argv:
clean()
sys.exit()
libuast_module = Extension(
"bblfsh.pyuast",
libraries=libraries,
library_dirs=["/usr/lib", "/usr/local/lib"],
extra_compile_args=["-std=c++11"],
include_dirs=[j("bblfsh", "libuast"), "/usr/local/include", "/usr/local/include/libxml2",
"/usr/include", "/usr/include/libxml2"], sources=sources)
setup(
cmdclass = {
"build_ext": CustomBuildExt,
},
name="bblfsh",
description="Fetches Universal Abstract Syntax Trees from Babelfish.",
version=VERSION,
license="Apache 2.0",
author="source{d}",
url="https://github.com/bblfsh/client-python",
download_url="https://github.com/bblfsh/client-python",
packages=find_packages(),
exclude=["bblfsh/test.py"],
keywords=["babelfish", "uast"],
install_requires=["grpcio==1.13.0", "grpcio-tools==1.13.0", "docker", "protobuf>=3.4.0"],
package_data={"": ["LICENSE", "README.md"]},
ext_modules=[libuast_module],
classifiers=[
"Development Status :: 3 - Alpha",
"Environment :: Console",
"Intended Audience :: Developers",
"License :: OSI Approved :: Apache Software License",
"Operating System :: POSIX",
"Programming Language :: Python :: 3.4",
"Programming Language :: Python :: 3.5",
"Programming Language :: Python :: 3.6",
"Programming Language :: Python :: 3.7",
"Topic :: Software Development :: Libraries"
]
)
if __name__ == "__main__":
main()