LK Utils
lk-utils is a set of utilities to make data processing more simple and fluent.
Install
pip install lk-utils
lk-utils requires python 3.8 or higher version.
Usage
subproc
new thread decorator
from lk_utils import new_thread
def main(files: list[str]) -> None:
for f in files:
handle_file(f)
@new_thread()
def handle_file(file: str) -> None:
# do something
...
fetch results from threads
from lk_utils import new_thread
def main(files: list[str]) -> None:
pool = []
for f in files:
thread = handle_file(f)
pool.append(thread)
...
for thread in pool:
result = thread.join()
print(result)
@new_thread()
def handle_file(file: str) -> str:
# do something
...
run cmd args
from lk_utils import run_cmd_args
from lk_utils import run_cmd_shell
run_cmd_args('python', '-m', 'pip', 'list')
run_cmd_shell('python -m pip list')
advanced filter:
from lk_utils import run_cmd_args
def pip_install(
dest: str,
url_index: str = None
) -> None:
run_cmd_args(
('python', '-m', 'pip'),
('install', '-r', 'requirements.txt'),
('-t', dest),
('-i', url_index),
)
mklink, mklinks
from lk_utils import mklink, mklinks
mklink('/from_dir', '/to_dir_1')
mklinks('/from_dir', '/to_dir_2')
filesniff
get current dir, get relative path
import os
from lk_utils import filesys as fs
print(fs.currdir() == os.path.dirname(__file__).replace('\\', '/')) # -> True
print(fs.relpath('..') == os.path.dirname(fs.currdir())) # -> True
list files/dirs
from lk_utils import filesys as fs
for path, name in fs.find_files('.'): # this is an generator.
print(path, name)
# the first element is the **abspath**, the second is path's
# basename (<- os.path.basename(path))
for path in fs.find_file_paths('.'): # this is a list[str]
print(path)
for name in fs.find_file_names('.'): # this is a list[str]
print(name)
# more:
# fs.findall_files
# fs.findall_file_paths
# fs.findall_file_names
#
# fs.find_dirs
# fs.find_dir_paths
# fs.find_dir_names
#
# fs.findall_dirs
# fs.findall_dir_paths
# fs.findall_dir_names
read_and_write
loads and dumps
from lk_utils import read_and_write as rw
data_r = rw.loads(file_i)
# it recognizes json, yaml, pkl as sturctured data. others are treated as
# plain text.
data_w = ...
rw.dumps(data_w, file_o)
# it recognizes json, yaml, pkl as sturctured data. others are treated as
# plain text.
below are marked as deprecated.
excel
excel reader and writer
from lk_utils import excel as exl
reader = exl.ExcelReader(file_i)
# accepts '.xls' and '.xlsx' files.
... # TODO:CompleteExample
writer = exl.ExcelWriter(file_o)
# accepts only '.xlsx' files.
... # TODO:CompleteExample
writer.save()
nlp
TODO
1 maintainer
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