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https://github.com/lutris/lutris
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Add prophylactic code for bogus environment variables.
Each env-var value should be a string, if not we skip None and convert all other values to strings. But we also log warnings so we can tell which env-var it was.
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@ -7,6 +7,7 @@ import shlex
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import subprocess
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import subprocess
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import sys
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import sys
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import uuid
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import uuid
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from copy import copy
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from gi.repository import GLib
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from gi.repository import GLib
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@ -36,7 +37,6 @@ WRAPPER_SCRIPT = get_wrapper_script_location()
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class MonitoredCommand:
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class MonitoredCommand:
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"""Exexcutes a commmand while keeping track of its state"""
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"""Exexcutes a commmand while keeping track of its state"""
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fallback_cwd = "/tmp"
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fallback_cwd = "/tmp"
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@ -120,14 +120,26 @@ class MonitoredCommand:
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@staticmethod
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@staticmethod
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def get_environment(user_env):
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def get_environment(user_env):
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"""Process the user provided environment variables for use as self.env"""
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"""Process the user provided environment variables for use as self.env"""
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env = user_env or {}
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env = copy(user_env) if user_env else {}
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# not clear why this needs to be added, the path is already added in
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# not clear why this needs to be added, the path is already added in
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# the wrappper script.
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# the wrappper script.
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env['PYTHONPATH'] = ':'.join(sys.path)
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env['PYTHONPATH'] = ':'.join(sys.path)
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# Drop bad values of environment keys, those will confuse the Python
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# Drop bad values of environment keys, those will confuse the Python
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# interpreter.
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# interpreter.
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env["LUTRIS_GAME_UUID"] = str(uuid.uuid4())
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env["LUTRIS_GAME_UUID"] = str(uuid.uuid4())
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return {key: value for key, value in env.items() if "=" not in key}
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cleaned = {}
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for key, value in env.items():
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if "=" in key:
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logger.warning("Environment variable name '%s' contains '=' so it can't be used; skipping.", key)
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elif value is None:
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logger.warning("Environment variable '%s' has None for its value; skipping.", key)
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elif not isinstance(value, str):
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logger.warning("Environment variable '%s' value '%s' is not a string; converting.", key, value)
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cleaned[key] = str(value)
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else:
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cleaned[key] = value
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return cleaned
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def get_child_environment(self):
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def get_child_environment(self):
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"""Returns the calculated environment for the child process."""
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"""Returns the calculated environment for the child process."""
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