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#!/usr/bin/env python3
import sys
import os
import platform
import errno
import re
import shutil
import hashlib
from distutils.core import setup
from distutils.extension import Extension
from awlsim.version import VERSION_MAJOR, VERSION_MINOR
def makedirs(path, mode):
try:
os.makedirs(path, mode)
except OSError as e:
if e.errno == errno.EEXIST:
return
raise
def hashFile(path):
if sys.version_info[0] < 3:
ExpectedException = IOError
else:
ExpectedException = FileNotFoundError
try:
return hashlib.sha1(open(path, "rb").read()).hexdigest()
except ExpectedException as e:
return None
def pyCythonPatch(toFile, fromFile):
print("cython-patch: patching file '%s' to '%s'" %\
(fromFile, toFile))
tmpFile = toFile + ".TMP"
infd = open(fromFile, "r")
outfd = open(tmpFile, "w")
for line in infd.readlines():
stripLine = line.strip()
if not stripLine.endswith("#<no-cython-patch"):
# Uncomment all lines containing <cython>
if "<cython>" in stripLine:
line = re.sub(r'#?<cython>\s*', "", line)
if line.startswith("#"):
line = line[1:]
if not line.endswith("\n"):
line += "\n"
# Comment all lines containing <no-cython>
if "<no-cython>" in stripLine:
line = "#" + line
# Patch the import statements
line = re.sub(r'^from awlsim\.', "from awlsim_cython.", line)
line = re.sub(r'^import awlsim\.', "import awlsim_cython.", line)
outfd.write(line)
infd.close()
outfd.flush()
outfd.close()
toFileHash = hashFile(toFile)
newFileHash = hashFile(tmpFile)
if toFileHash is not None and\
toFileHash == newFileHash:
print("(already up to date)")
os.unlink(tmpFile)
return
os.rename(tmpFile, toFile)
def addCythonModules(Cython_build_ext):
global cmdclass
global ext_modules
modDir = os.path.join(os.curdir, "awlsim")
buildDir = os.path.join(os.curdir, "build", "awlsim_cython-patched.%s-%s-%d.%d" %\
(platform.system().lower(),
platform.machine().lower(),
sys.version_info[0], sys.version_info[1])
)
if not os.path.exists(os.path.join(os.curdir, "setup.py")) or\
not os.path.exists(modDir) or\
not os.path.isdir(modDir):
raise Exception("Wrong directory. "
"Execute setup.py from within the awlsim directory.")
makedirs(buildDir, 0o755)
for dirpath, dirnames, filenames in os.walk(modDir):
subpath = os.path.relpath(dirpath, modDir)
if subpath == os.curdir:
subpath = ""
if subpath.startswith("gui"):
continue
for filename in filenames:
if filename == "__init__.py":
continue
if filename.endswith(".py"):
fromFile = os.path.join(dirpath, filename)
toDir = os.path.join(buildDir, subpath)
toFile = os.path.join(toDir, filename.replace(".py", ".pyx"))
makedirs(toDir, 0o755)
pyCythonPatch(toFile, fromFile)
modname = [ "awlsim_cython" ]
if subpath:
modname.extend(subpath.split(os.sep))
modname.append(filename[:-3]) # Strip .py
modname = ".".join(modname)
ext_modules.append(
Extension(modname, [toFile])
)
cmdclass["build_ext"] = Cython_build_ext
def tryBuildCythonModules():
try:
if int(os.getenv("NOCYTHON", "0")):
print("Skipping build of CYTHON modules due to "
"NOCYTHON environment variable setting.")
return
except ValueError:
pass
if os.name != "posix":
print("WARNING: Not building CYTHON modules on '%s' platform." %\
os.name)
return
try:
from Cython.Distutils import build_ext as Cython_build_ext
addCythonModules(Cython_build_ext)
except ImportError as e:
print("WARNING: Could not build the CYTHON modules: "
"%s" % str(e))
print("--> Is Cython installed?")
cmdclass = {}
ext_modules = []
# Try to build the Cython modules. This might fail.
tryBuildCythonModules()
setup( name = "awlsim",
version = "%d.%d" % (VERSION_MAJOR, VERSION_MINOR),
description = "Step 7 AWL/STL/PLC simulator",
author = "Michael Buesch",
author_email = "m@bues.ch",
url = "http://bues.ch/cms/hacking/awlsim.html",
packages = [ "awlsim",
"awlsim/gui",
"awlsim/instructions",
"awlsimhw_dummy",
"awlsimhw_linuxcnc",
"awlsimhw_pyprofibus", ],
scripts = [ "awlsimcli",
"awlsimgui",
"awlsim-linuxcnc-hal", ],
cmdclass = cmdclass,
ext_modules = ext_modules
)
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