01db5700e8
Ideally game developers don't touch the server code, they just play within the game directory, which will contain all of their script parents and stuff. NOTE: I may have broken the Linux/Unix start script. I am not able to boot back into Linux at the moment due to some testing going on, so if anyone could take a moment to tell me one way or another, I'd appreciate it. NOTE: You'll need to move your evennia.db3 file into the game directory if you're using sqlite.
62 lines
2.4 KiB
Python
62 lines
2.4 KiB
Python
"""
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This module is responsible for managing scripts and their connection to the
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Object class model. It is important to keep this as independent from the
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codebase as possible in order to allow for drop-in replacements. All
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interaction with actual script methods should happen via calls to Objects.
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"""
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import os
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from traceback import format_exc
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from django.conf import settings
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from src import logger
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# A dictionary with keys equivalent to the script's name and values that
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# contain references to the associated module for each key.
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cached_scripts = {}
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def scriptlink(source_obj, scriptname):
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"""
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Each Object will refer to this function when trying to execute a function
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contained within a scripted module. For the sake of ease of management,
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modules are cached and compiled as they are requested and stored in
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the cached_scripts dictionary.
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Returns a reference to an instance of the script's class as per it's
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class_factory() method.
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source_obj: (Object) A reference to the object being scripted.
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scriptname: (str) Name of the module to load (minus 'scripts').
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"""
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# The module is already cached, just return it rather than re-load.
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retval = cached_scripts.get(scriptname, False)
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if retval:
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return retval.class_factory(source_obj)
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##
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## NOTE: Only go past here when the script isn't already cached.
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##
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# Split the script name up by periods to give us the directory we need
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# to change to. I really wish we didn't have to do this, but there's some
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# strange issue with __import__ and more than two directories worth of
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# nesting.
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full_script = "src.scripts.%s" % (scriptname,)
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script_name = full_script.split('.')[-1]
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try:
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# Change the working directory to the location of the script and import.
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logger.log_infomsg("SCRIPT: Caching and importing %s." % (scriptname))
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modreference = __import__(full_script, fromlist=[script_name])
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# Store the module reference for later fast retrieval.
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cached_scripts[scriptname] = modreference
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except ImportError:
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logger.log_infomsg('Error importing %s: %s' % (modname, format_exc()))
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os.chdir(settings.BASE_PATH)
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return
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except OSError:
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logger.log_infomsg('Invalid module path: %s' % (format_exc()))
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os.chdir(settings.BASE_PATH)
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return
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# The new script module has been cached, return the reference.
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return modreference.class_factory(source_obj)
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