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Don't call sys_info() at import time

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This commit is contained in:
Thomas Kluyver 2017-05-03 13:00:13 +01:00
parent 8a1ece4577
commit a051f24e0d
1 changed files with 7 additions and 2 deletions
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9
notebook/base/handlers.py
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@ -39,7 +39,12 @@ from notebook.services.security import csp_report_uri
#-----------------------------------------------------------------------------
non_alphanum = re.compile(r'[^A-Za-z0-9]')
sys_info = json.dumps(get_sys_info())
_sys_info_cache = None
def json_sys_info():
global _sys_info_cache
if _sys_info_cache is None:
_sys_info_cache = json.dumps(get_sys_info())
return _sys_info_cache
def log():
if Application.initialized():
@ -357,7 +362,7 @@ class IPythonHandler(AuthenticatedHandler):
login_available=self.login_available,
token_available=bool(self.token or self.one_time_token),
static_url=self.static_url,
sys_info=sys_info,
sys_info=json_sys_info(),
contents_js_source=self.contents_js_source,
version_hash=self.version_hash,
ignore_minified_js=self.ignore_minified_js,