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close stdout/err handles before opening debug log

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There is an unconfirmed report about file in use errors, most likely
the handles are inherited by some other process or an antivirus or
whatever, but lets at least close them in the under our control.

Windows is such a pain.
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Kovid Goyal 2022-08-29 04:58:24 +05:30
parent 4a6165bc42
commit 4dbdea4122
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1 changed files with 2 additions and 0 deletions
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src/calibre/gui2/main.py
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@ -434,6 +434,8 @@ def run_gui_(opts, args, app, gui_debug=None):
debugfile = runner.main.gui_debug debugfile = runner.main.gui_debug
from calibre.gui2 import open_local_file from calibre.gui2 import open_local_file
if iswindows: if iswindows:
# detach the stdout/stderr/stdin handles
winutil.prepare_for_restart()
with open(debugfile, 'r+b') as f: with open(debugfile, 'r+b') as f:
raw = f.read() raw = f.read()
raw = re.sub(b'(?<!\r)\n', b'\r\n', raw) raw = re.sub(b'(?<!\r)\n', b'\r\n', raw)