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