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When running the embedded server from source compile the RapydSCript in the server thread and use atomic writes to update the output

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Kovid Goyal 2017-05-25 07:55:47 +05:30
parent 2240b19882
commit db4ba63005
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 15 additions and 8 deletions
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8
src/calibre/srv/embedded.py
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@ -46,10 +46,6 @@ class Server(object):
self.opts = opts
self.log, self.access_log = log, access_log
self.handler.set_log(self.log)
_df = os.environ.get('CALIBRE_DEVELOP_FROM', None)
if _df and os.path.exists(_df):
from calibre.utils.rapydscript import compile_srv
compile_srv()
@property
def user_manager(self):
@ -91,6 +87,10 @@ class Server(object):
pass
reset_caches() # we reset the cache as the server tdir has changed
try:
_df = os.environ.get('CALIBRE_DEVELOP_FROM', None)
if _df and os.path.exists(_df):
from calibre.utils.rapydscript import compile_srv
compile_srv()
self.loop.serve_forever()
except BaseException as e:
self.exception = e

15
src/calibre/utils/rapydscript.py
View File

@ -19,6 +19,7 @@ from threading import Thread, local
from calibre import force_unicode
from calibre.constants import __appname__, __version__, cache_dir
from calibre.utils.filenames import atomic_rename
from calibre.utils.terminal import ANSIStream
from duktape import Context, JSError, to_python
from lzma.xz import compress, decompress
@ -223,10 +224,16 @@ def compile_srv():
html = f.read().replace(b'RESET_STYLES', reset, 1).replace(b'ICONS', icons, 1).replace(b'MAIN_JS', js, 1)
manifest = create_manifest(html)
with lopen(os.path.join(base, 'index-generated.html'), 'wb') as f:
f.write(html)
with lopen(os.path.join(base, 'calibre.appcache'), 'wb') as f:
f.write(manifest)
def atomic_write(name, content):
name = os.path.join(base, name)
tname = name + '.tmp'
with lopen(tname, 'wb') as f:
f.write(content)
atomic_rename(tname, name)
atomic_write('index-generated.html', html)
atomic_write('calibre.appcache', manifest)
# }}}