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make home_dir a traitlet

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so the property is only evaluated once and overrideable via hooks
This commit is contained in:
Min RK
2018-11-05 10:57:02 +01:00
parent 80e241c86f
commit 52c468d89c
1 changed files with 12 additions and 9 deletions
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21
jupyterhub/spawner.py
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@@ -1396,31 +1396,34 @@ class SimpleLocalProcessSpawner(LocalProcessSpawner):
provides absolutely no isolation between different users! provides absolutely no isolation between different users!
""" """
home_path_template = Unicode( home_dir_template = Unicode(
'/tmp/{username}', '/tmp/{username}',
config=True, config=True,
help='Template to expand to set the user home. {username} is expanded' help="""
Template to expand to set the user home.
{username} is expanded to the jupyterhub username.
"""
) )
@property home_dir = Unicode(help="The home directory for the user")
def home_path(self): @default('home_dir')
return self.home_path_template.format( def _default_home_dir(self):
return self.home_dir_template.format(
username=self.user.name, username=self.user.name,
) )
def make_preexec_fn(self, name): def make_preexec_fn(self, name):
home = self.home_path home = self.home_dir
def preexec(): def preexec():
try: try:
os.makedirs(home, 0o755, exist_ok=True) os.makedirs(home, 0o755, exist_ok=True)
os.chdir(home) os.chdir(home)
except Exception as e: except Exception as e:
self.log.exception("Error in preexec for %s", name)
print(e)
return preexec return preexec
def user_env(self, env): def user_env(self, env):
env['USER'] = self.user.name env['USER'] = self.user.name
env['HOME'] = self.home_path env['HOME'] = self.home_dir
env['SHELL'] = '/bin/bash' env['SHELL'] = '/bin/bash'