/
__init__.py
77 lines (66 loc) · 2.84 KB
/
__init__.py
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#
# Code to check to make sure c_overviewer is built and working
#
import os.path
import os
import platform
import traceback
import sys
from . import util
def check_c_overviewer():
"""Check to make sure c_overviewer works and is up-to-date. Prints
out a helpful error and returns 1 if something's wrong, returns 0
otherwise.
"""
root_dir = util.get_program_path()
# make sure the c_overviewer extension is available
try:
from . import c_overviewer
except ImportError:
if os.environ.get("OVERVIEWER_DEBUG_IMPORT") == "1":
traceback.print_exc()
# if this is a frozen windows package, the following error messages about
# building the c_overviewer extension are not appropriate
if hasattr(sys, "frozen") and platform.system() == 'Windows':
print("Something has gone wrong importing the c_overviewer extension. Please make sure "
"the 2008 and 2010 redistributable packages from Microsoft are installed.")
return 1
# try to find the build extension
ext = os.path.join(root_dir, "overviewer_core", "c_overviewer.{}"
.format("pyd" if platform.system() == "Windows" else "so"))
if os.path.exists(ext):
traceback.print_exc()
print()
print("Something has gone wrong importing the c_overviewer extension. Please make sure "
"it is up-to-date. (clean and rebuild)")
return 1
print("You need to compile the c_overviewer module to run Minecraft Overviewer.")
print("Run `python setup.py build`, or see the README for details.")
return 1
#
# make sure it's up-to-date
#
if hasattr(sys, "frozen"):
pass # we don't bother with a compat test since it should always be in sync
elif "extension_version" in dir(c_overviewer):
# check to make sure the binary matches the headers
if os.path.exists(os.path.join(root_dir, "overviewer_core", "src", "overviewer.h")):
with open(os.path.join(root_dir, "overviewer_core", "src", "overviewer.h")) as f:
lines = f.readlines()
lines = list(filter(lambda x: x.startswith("#define OVERVIEWER_EXTENSION_VERSION"),
lines))
if lines:
l = lines[0]
if int(l.split()[2].strip()) != c_overviewer.extension_version():
print("Please rebuild your c_overviewer module. It is out of date!")
return 1
else:
print("Please rebuild your c_overviewer module. It is out of date!")
return 1
# all good!
return 0
# only check the module if we're not setup.py
if not sys.argv[0].endswith("setup.py"):
ret = check_c_overviewer()
if ret > 0:
util.nice_exit(ret)