"""
Libraries for checking python code with pylint
"""
from CIME.XML.standard_module_setup import *
from CIME.utils import run_cmd, run_cmd_no_fail, expect, get_cime_root, is_python_executable
from multiprocessing.dummy import Pool as ThreadPool
#pylint: disable=import-error
from distutils.spawn import find_executable
logger = logging.getLogger(__name__)
###############################################################################
def _run_pylint(on_file, interactive):
###############################################################################
pylint = find_executable("pylint")
cmd_options = " --disable=I,C,R,logging-not-lazy,wildcard-import,unused-wildcard-import"
cmd_options += ",fixme,broad-except,bare-except,eval-used,exec-used,global-statement"
cmd_options += ",logging-format-interpolation,no-name-in-module"
cimeroot = get_cime_root()
if "scripts/Tools" in on_file:
cmd_options +=",relative-import"
# add init-hook option
cmd_options += " --init-hook='sys.path.extend((\"%s\",\"%s\",\"%s\"))'"%\
(os.path.join(cimeroot,"scripts","lib"),
os.path.join(cimeroot,"scripts","Tools"),
os.path.join(cimeroot,"scripts","fortran_unit_testing","python"))
cmd = "%s %s %s" % (pylint, cmd_options, on_file)
logger.debug("pylint command is %s"%cmd)
stat, out, err = run_cmd(cmd, verbose=False, from_dir=cimeroot)
if stat != 0:
if interactive:
logger.info("File %s has pylint problems, please fix\n Use command: %s" % (on_file, cmd))
logger.info(out + "\n" + err)
return (on_file, out + "\n" + err)
else:
if interactive:
logger.info("File %s has no pylint problems" % on_file)
return (on_file, "")
###############################################################################
def _matches(file_path, file_ends):
###############################################################################
for file_end in file_ends:
if file_path.endswith(file_end):
return True
return False
###############################################################################
def _should_pylint_skip(filepath):
###############################################################################
# TODO - get rid of this
list_of_directories_to_ignore = ("xmlconvertors", "pointclm", "point_clm", "tools", "machines", "apidocs", "doc")
for dir_to_skip in list_of_directories_to_ignore:
if dir_to_skip + "/" in filepath:
return True
if filepath == "scripts/lib/six.py":
return True
return False
###############################################################################
[docs]def get_all_checkable_files():
###############################################################################
cimeroot = get_cime_root()
all_git_files = run_cmd_no_fail("git ls-files", from_dir=cimeroot, verbose=False).splitlines()
files_to_test = [item for item in all_git_files
if ((item.endswith(".py") or is_python_executable(os.path.join(cimeroot, item))) and not _should_pylint_skip(item))]
return files_to_test
###############################################################################
[docs]def check_code(files, num_procs=10, interactive=False):
###############################################################################
"""
Check all python files in the given directory
Returns True if all files had no problems
"""
# Get list of files to check, we look to see if user-provided file argument
# is a valid file, if not, we search the repo for a file with similar name.
files_to_check = []
if files:
repo_files = run_cmd_no_fail('git ls-files', from_dir=get_cime_root(), verbose=False).splitlines()
for filearg in files:
if os.path.exists(filearg):
files_to_check.append(os.path.abspath(filearg))
else:
found = False
for repo_file in repo_files:
if repo_file.endswith(filearg):
found = True
files_to_check.append(repo_file) # could have multiple matches
if not found:
logger.warning("Could not find file matching argument '%s'" % filearg)
else:
# Check every python file
files_to_check = get_all_checkable_files()
if "scripts/lib/six.py" in files_to_check:
files_to_check.remove("scripts/lib/six.py")
logger.info("Not checking contributed file six.py")
expect(len(files_to_check) > 0, "No matching files found")
# No point in using more threads than files
if len(files_to_check) < num_procs:
num_procs = len(files_to_check)
pool = ThreadPool(num_procs)
results = pool.map(lambda x : _run_pylint(x, interactive), files_to_check)
pool.close()
pool.join()
return dict(results)