51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
|
""" Module to give helpful messages to the user that did not
|
||
|
|
compile scikit-learn properly.
|
||
|
|
"""
|
||
|
|
import os
|
||
|
|
|
||
|
|
INPLACE_MSG = """
|
||
|
|
It appears that you are importing a local scikit-learn source tree. For
|
||
|
|
this, you need to have an inplace install. Maybe you are in the source
|
||
|
|
directory and you need to try from another location."""
|
||
|
|
|
||
|
|
STANDARD_MSG = """
|
||
|
|
If you have used an installer, please check that it is suited for your
|
||
|
|
Python version, your operating system and your platform."""
|
||
|
|
|
||
|
|
|
||
|
|
def raise_build_error(e):
|
||
|
|
# Raise a comprehensible error and list the contents of the
|
||
|
|
# directory to help debugging on the mailing list.
|
||
|
|
local_dir = os.path.split(__file__)[0]
|
||
|
|
msg = STANDARD_MSG
|
||
|
|
if local_dir == "sklearn/__check_build":
|
||
|
|
# Picking up the local install: this will work only if the
|
||
|
|
# install is an 'inplace build'
|
||
|
|
msg = INPLACE_MSG
|
||
|
|
dir_content = list()
|
||
|
|
for i, filename in enumerate(os.listdir(local_dir)):
|
||
|
|
if (i + 1) % 3:
|
||
|
|
dir_content.append(filename.ljust(26))
|
||
|
|
else:
|
||
|
|
dir_content.append(filename + "\n")
|
||
|
|
raise ImportError(
|
||
|
|
"""%s
|
||
|
|
___________________________________________________________________________
|
||
|
|
Contents of %s:
|
||
|
|
%s
|
||
|
|
___________________________________________________________________________
|
||
|
|
It seems that scikit-learn has not been built correctly.
|
||
|
|
|
||
|
|
If you have installed scikit-learn from source, please do not forget
|
||
|
|
to build the package before using it: run `python setup.py install` or
|
||
|
|
`make` in the source directory.
|
||
|
|
%s"""
|
||
|
|
% (e, local_dir, "".join(dir_content).strip(), msg)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
try:
|
||
|
|
from ._check_build import check_build # noqa
|
||
|
|
except ImportError as e:
|
||
|
|
raise_build_error(e)
|