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Cleanup calibre initialization

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Kovid Goyal 2020-10-16 20:02:57 +05:30
parent c58e1db9a0
commit 8311f0a8d3
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 10 additions and 21 deletions
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5
src/calibre/__init__.py
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@ -19,13 +19,14 @@ except EnvironmentError:
from calibre.constants import (iswindows, ismacos, islinux, isfrozen,
isbsd, preferred_encoding, __appname__, __version__, __author__,
plugins, filesystem_encoding, config_dir)
from calibre.startup import get_debug_executable
from calibre.startup import initialize_calibre
initialize_calibre()
from calibre.utils.icu import safe_chr
from calibre.prints import prints
if False:
# Prevent pyflakes from complaining
get_debug_executable, __appname__, islinux, __version__
__appname__, islinux, __version__
isfrozen, __author__, isbsd, config_dir, plugins
_mt_inited = False

26
src/calibre/startup.py
View File

@ -20,10 +20,7 @@ builtins.__dict__['__'] = lambda s: s
# For backwards compat with some third party plugins
builtins.__dict__['dynamic_property'] = lambda func: func(None)
from calibre.constants import iswindows, preferred_encoding, plugins, ismacos, islinux, DEBUG, isfreebsd
_run_once = False
from calibre.constants import iswindows, plugins, ismacos, islinux, DEBUG, isfreebsd
def get_debug_executable():
@ -46,8 +43,11 @@ def get_debug_executable():
return [exe_name]
if not _run_once:
_run_once = True
def initialize_calibre():
if hasattr(initialize_calibre, 'initialized'):
return
initialize_calibre.initialized = True
# Ensure that all temp files/dirs are created under a calibre tmp dir
from calibre.ptempfile import base_dir
try:
@ -55,15 +55,6 @@ if not _run_once:
except EnvironmentError:
pass # Ignore this error during startup, so we can show a better error message to the user later.
#
# Convert command line arguments to unicode
enc = preferred_encoding
if ismacos:
enc = 'utf-8'
for i in range(1, len(sys.argv)):
if not isinstance(sys.argv[i], unicode_type):
sys.argv[i] = sys.argv[i].decode(enc, 'replace')
#
# Ensure that the max number of open files is at least 1024
if iswindows:
@ -130,10 +121,7 @@ if not _run_once:
except:
pass
# local_open() opens a file that wont be inherited by child processes
local_open = open # PEP 446
builtins.__dict__['lopen'] = local_open
builtins.__dict__['lopen'] = open # legacy compatibility
from calibre.utils.icu import title_case, lower as icu_lower, upper as icu_upper
builtins.__dict__['icu_lower'] = icu_lower
builtins.__dict__['icu_upper'] = icu_upper