def _find_furl(self, profile='default', cluster_dir=None,
furl_or_file=None, furl_file_name=None,
ipython_dir=None):
"""Find a FURL file.
If successful, this returns a FURL file that exists on the file
system. The contents of the file have not been checked though. This
is because we often have to deal with FURL file whose buffers have
not been flushed.
This raises an :exc:`~IPython.kernel.fcutil.FURLError` exception
if a FURL file can't be found.
This tries the following:
1. By the name ``furl_or_file``.
2. By ``cluster_dir`` and ``furl_file_name``.
3. By cluster profile with a default of ``default``. This uses
``ipython_dir``.
"""
# Try by furl_or_file
if furl_or_file is not None:
if is_valid_furl_or_file(furl_or_file):
return furl_or_file
if furl_file_name is None:
raise FURLError('A furl_file_name must be provided if furl_or_file is not')
# Try by cluster_dir
if cluster_dir is not None:
cluster_dir_obj = ClusterDir.find_cluster_dir(cluster_dir)
sdir = cluster_dir_obj.security_dir
furl_file = os.path.join(sdir, furl_file_name)
validate_furl_or_file(furl_file)
return furl_file
# Try by profile
if ipython_dir is None:
ipython_dir = get_ipython_dir()
if profile is not None:
cluster_dir_obj = ClusterDir.find_cluster_dir_by_profile(
ipython_dir, profile)
sdir = cluster_dir_obj.security_dir
furl_file = os.path.join(sdir, furl_file_name)
validate_furl_or_file(furl_file)
return furl_file
raise FURLError('Could not find a valid FURL file.')
def _find_furl(self, profile='default', cluster_dir=None,
furl_or_file=None, furl_file_name=None,
ipython_dir=None):
"""Find a FURL file.
If successful, this returns a FURL file that exists on the file
system. The contents of the file have not been checked though. This
is because we often have to deal with FURL file whose buffers have
not been flushed.
This raises an :exc:`~IPython.kernel.fcutil.FURLError` exception
if a FURL file can't be found.
This tries the following:
1. By the name ``furl_or_file``.
2. By ``cluster_dir`` and ``furl_file_name``.
3. By cluster profile with a default of ``default``. This uses
``ipython_dir``.
"""
# Try by furl_or_file
if furl_or_file is not None:
if is_valid_furl_or_file(furl_or_file):
return furl_or_file
if furl_file_name is None:
raise FURLError('A furl_file_name must be provided if furl_or_file is not')
# Try by cluster_dir
if cluster_dir is not None:
cluster_dir_obj = ClusterDir.find_cluster_dir(cluster_dir)
sdir = cluster_dir_obj.security_dir
furl_file = os.path.join(sdir, furl_file_name)
validate_furl_or_file(furl_file)
return furl_file
# Try by profile
if ipython_dir is None:
ipython_dir = get_ipython_dir()
if profile is not None:
cluster_dir_obj = ClusterDir.find_cluster_dir_by_profile(
ipython_dir, profile)
sdir = cluster_dir_obj.security_dir
furl_file = os.path.join(sdir, furl_file_name)
validate_furl_or_file(furl_file)
return furl_file
raise FURLError('Could not find a valid FURL file.')
def _setup_cluster_dir(self, profile, cluster_dir, ipython_dir, auto_create):
if ipython_dir is None:
ipython_dir = get_ipython_dir()
if cluster_dir is not None:
try:
self.cluster_dir_obj = ClusterDir.find_cluster_dir(cluster_dir)
except ClusterDirError:
pass
if profile is not None:
try:
self.cluster_dir_obj = ClusterDir.find_cluster_dir_by_profile(
ipython_dir, profile)
except ClusterDirError:
pass
if auto_create or profile=='default':
# This should call 'ipcluster create --profile default
self.cluster_dir_obj = ClusterDir.create_cluster_dir_by_profile(
ipython_dir, profile)
else:
raise ClusterDirError('Cluster dir not found.')
def _setup_cluster_dir(self, profile, cluster_dir, ipython_dir, auto_create):
if ipython_dir is None:
ipython_dir = get_ipython_dir()
if cluster_dir is not None:
try:
self.cluster_dir_obj = ClusterDir.find_cluster_dir(cluster_dir)
except ClusterDirError:
pass
if profile is not None:
try:
self.cluster_dir_obj = ClusterDir.find_cluster_dir_by_profile(
ipython_dir, profile)
except ClusterDirError:
pass
if auto_create or profile=='default':
# This should call 'ipcluster create --profile default
self.cluster_dir_obj = ClusterDir.create_cluster_dir_by_profile(
ipython_dir, profile)
else:
raise ClusterDirError('Cluster dir not found.')
