mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-06-23 15:30:45 -04:00
65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
import builtins
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import os
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import sys
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import _sitebuiltins
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def read_user_env_vars():
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try:
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with open(os.path.expanduser('~/Library/Preferences/calibre/macos-env.txt'), 'rb') as f:
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raw = f.read().decode('utf-8', 'replace')
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except EnvironmentError:
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return
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for line in raw.splitlines():
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if line.startswith('#'):
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continue
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parts = line.split('=', 1)
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if len(parts) == 2:
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key, val = parts
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os.environ[key] = os.path.expandvars(os.path.expanduser(val))
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def nuke_stdout():
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# Redirect stdout, stdin and stderr to /dev/null
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from calibre.constants import plugins
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plugins['speedup'][0].detach(os.devnull)
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def set_helper():
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builtins.help = _sitebuiltins._Helper()
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def set_quit():
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eof = 'Ctrl-D (i.e. EOF)'
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builtins.quit = _sitebuiltins.Quitter('quit', eof)
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builtins.exit = _sitebuiltins.Quitter('exit', eof)
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def main():
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sys.argv[0] = sys.calibre_basename
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try:
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read_user_env_vars()
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except Exception as err:
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try:
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print('Failed to read user env vars with error:', err, file=sys.stderr)
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sys.stderr.flush()
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except Exception:
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pass
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dfv = os.environ.get('CALIBRE_DEVELOP_FROM')
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if dfv and os.path.exists(dfv):
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sys.path.insert(0, os.path.abspath(dfv))
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set_helper()
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set_quit()
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if sys.gui_app and not (
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sys.stdout.isatty() or sys.stderr.isatty() or sys.stdin.isatty()
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):
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nuke_stdout()
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mod = __import__(sys.calibre_module, fromlist=[1])
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func = getattr(mod, sys.calibre_function)
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return func()
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if __name__ == '__main__':
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main()
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