36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
"""
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Simple class (acting as a singleton) dealing with environment variables.
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Variables that should alter Archey _global_ behavior may be DRY-ed here.
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"""
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import os
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import platform
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from archey.singleton import Singleton
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class Environment(metaclass=Singleton):
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"""
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At startup, instantiate this class and set up some attributes
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according to their respective environment variable value.
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"""
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# See <https://no-color.org/>.
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NO_COLOR = "NO_COLOR" in os.environ
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# See <https://bixense.com/clicolors/>.
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CLICOLOR = os.getenv("CLICOLOR") != "0"
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CLICOLOR_FORCE = os.getenv("CLICOLOR_FORCE", "0") != "0"
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# See <https://consoledonottrack.com/>.
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DO_NOT_TRACK = os.getenv("DO_NOT_TRACK") == "1"
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def __init__(self):
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if platform.system() == "Darwin":
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# Makes future `platform.mac_ver` calls not being _trolled_ by Darwin's kernel
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# when opening `/System/Library/CoreServices/SystemVersion.plist` file.
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# "Fortunately" for us, `platform` module does not cache these very results.
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# See `platform._mac_ver_xml` function and
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# <https://eclecticlight.co/2020/08/13/macos-version-numbering-isnt-so-simple/>.
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os.environ["SYSTEM_VERSION_COMPAT"] = "0"
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