Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)
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66
Dependencies/Python/Lib/_apple_support.py
vendored
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66
Dependencies/Python/Lib/_apple_support.py
vendored
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import io
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import sys
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def init_streams(log_write, stdout_level, stderr_level):
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# Redirect stdout and stderr to the Apple system log. This method is
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# invoked by init_apple_streams() (initconfig.c) if config->use_system_logger
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# is enabled.
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sys.stdout = SystemLog(log_write, stdout_level, errors=sys.stderr.errors)
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sys.stderr = SystemLog(log_write, stderr_level, errors=sys.stderr.errors)
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class SystemLog(io.TextIOWrapper):
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def __init__(self, log_write, level, **kwargs):
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kwargs.setdefault("encoding", "UTF-8")
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kwargs.setdefault("line_buffering", True)
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super().__init__(LogStream(log_write, level), **kwargs)
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def __repr__(self):
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return f"<SystemLog (level {self.buffer.level})>"
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def write(self, s):
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if not isinstance(s, str):
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raise TypeError(
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f"write() argument must be str, not {type(s).__name__}")
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# In case `s` is a str subclass that writes itself to stdout or stderr
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# when we call its methods, convert it to an actual str.
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s = str.__str__(s)
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# We want to emit one log message per line, so split
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# the string before sending it to the superclass.
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for line in s.splitlines(keepends=True):
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super().write(line)
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return len(s)
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class LogStream(io.RawIOBase):
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def __init__(self, log_write, level):
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self.log_write = log_write
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self.level = level
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def __repr__(self):
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return f"<LogStream (level {self.level!r})>"
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def writable(self):
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return True
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def write(self, b):
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if type(b) is not bytes:
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try:
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b = bytes(memoryview(b))
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except TypeError:
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raise TypeError(
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f"write() argument must be bytes-like, not {type(b).__name__}"
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) from None
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# Writing an empty string to the stream should have no effect.
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if b:
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# Encode null bytes using "modified UTF-8" to avoid truncating the
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# message. This should not affect the return value, as the caller
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# may be expecting it to match the length of the input.
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self.log_write(self.level, b.replace(b"\x00", b"\xc0\x80"))
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return len(b)
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