shutil.rmtree：FileNotFoundError：[Errno 2]没有这样的文件或目录：'._xxx'

问题描述

代码和错误（减少了，如果您想查看完整的代码，请参阅最后一部分）：

import shutil
import os

filteredCleaned = 
 '/Volumes/Extreme_SSD/Raymond_Lab/Day_4_RoTarod_Videos_Rotated_if_Necessary_copy/filtered_cleaned_WT_cleaned_YAC128'

if os.path.exists(filteredCleaned):
    shutil.rmtree(filteredCleaned)

^显示隐藏文件（按Shift + Command +。），其他目录则显示隐藏文件（如果存在）。

runfile('/Users/ksb7640/Documents/UBC_Academic/Raymond_Lab/448/roTarod/svm_all/data_filter.py',wdir='/Users/ksb7640/Documents/UBC_Academic/Raymond_Lab/448/roTarod/svm_all')
Traceback (most recent call last):
  File "/usr/local/lib/python3.8/site-packages/IPython/core/interactiveshell.py",line 3417,in run_code
    exec(code_obj,self.user_global_ns,self.user_ns)
  File "<ipython-input-2-b9676f9bf96c>",line 1,in <module>
    runfile('/Users/ksb7640/Documents/UBC_Academic/Raymond_Lab/448/roTarod/svm_all/data_filter.py',wdir='/Users/ksb7640/Documents/UBC_Academic/Raymond_Lab/448/roTarod/svm_all')
  File "/Applications/PyCharm.app/Contents/plugins/python/helpers/pydev/_pydev_bundle/pydev_umd.py",line 197,in runfile
    pydev_imports.execfile(filename,global_vars,local_vars)  # execute the script
  File "/Applications/PyCharm.app/Contents/plugins/python/helpers/pydev/_pydev_imps/_pydev_execfile.py",line 18,in execfile
    exec(compile(contents+"\n",file,'exec'),glob,loc)
  File "/Users/ksb7640/Documents/UBC_Academic/Raymond_Lab/448/roTarod/svm_all/data_filter.py",line 21,in <module>
    shutil.rmtree(filteredCleaned)
  File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/lib/python3.8/shutil.py",line 715,in rmtree
    _rmtree_safe_fd(fd,path,onerror)
  File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/lib/python3.8/shutil.py",line 672,in _rmtree_safe_fd
    onerror(os.unlink,fullname,sys.exc_info())
  File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/lib/python3.8/shutil.py",line 670,in _rmtree_safe_fd
    os.unlink(entry.name,dir_fd=topfd)
FileNotFoundError: [Errno 2] No such file or directory: '._filtered_combined_Experiment2-190630_Day4_145m2_roTarod2_Cam2onRoTarodDeepCut_resnet50_roTarod3Jul17shuffle1_1030000.csv'

问题：

'._filtered_combined_Experiment2-190630_Day4_145m2_roTarod2_Cam2onRoTarodDeepCut_resnet50_roTarod3Jul17shuffle1_1030000.csv'来自哪里？

我确实使用df.to_csv(csv,index=False)在filtered_combined_Experiment2-190630_Day4_145m2_roTarod2_Cam2onRoTarodDeepCut_resnet50_roTarod3Jul17shuffle1_1030000.csv中创建了filtered_cleaned_WT_cleaned_YAC128，但从未使用chmod来隐藏它们。

此外，如您在屏幕快照中所见，甚至没有隐藏文件。这是什么错误？

完整代码可能是多余的，但以防万一...（有关事件，缩短的代码，请参见顶部。）

data_filter.py

import shutil

from export_df_to_csv import export_df_to_csv
from extract_parent_current import extract_parent_current
from import_df import *

prefix = 'filtered_'

bound = 0.9

# make a directory for output files
cleanedWT = '/Volumes/Extreme_SSD/Raymond_Lab/Day_4_RoTarod_Videos_Rotated_if_Necessary_copy/cleaned_WT'
cleanedYAC128 = '/Volumes/Extreme_SSD/Raymond_Lab/Day_4_RoTarod_Videos_Rotated_if_Necessary_copy/cleaned_YAC128'

cleanedWTParentDir,WTdir = extract_parent_current(cleanedWT)
cleanedYAC128ParentDir,YAC128dir = extract_parent_current(cleanedYAC128)

filteredCleaned = os.path.join(cleanedYAC128ParentDir,prefix + WTdir + '_' + YAC128dir)

if os.path.exists(filteredCleaned):
    shutil.rmtree(filteredCleaned)
os.mkdir(filteredCleaned)

csvs_labels_arr = import_csvs(cleanedWT,cleanedYAC128)
paths_dfs_labels_arr = csvs_to_paths_dfs_labels_arr(csvs_labels_arr)
for path_df_label in paths_dfs_labels_arr:
    _,dfFileName = extract_parent_current(path_df_label[0])
    df = path_df_label[1]

    # filter out rows below bound
    df = df[
        (df['Rightpaw likelihood'] > bound) & (df['Leftpaw likelihood'] > bound) & (df['Tail likelihood'] > bound)]

    export_df_to_csv(df,os.path.join(filteredCleaned,prefix + dfFileName))

export_df_to_csv.py

input_file = '/Volumes/Extreme SSD/Raymond Lab/Day_4_RoTarod_Videos_Rotated_if_Necessary copy/cleaned_WT/cleaned_Experiment2-190630_Day4_145m1_roTarod3_Cam2onRoTarodDeepCut_resnet50_roTarod3Jul17shuffle1_1030000.csv'
output_file = '/Volumes/Extreme SSD/Raymond Lab/Day_4_RoTarod_Videos_Rotated_if_Necessary copy/cleaned_WT/cleaned_Experiment2-190630_Day4_145m1_roTarod3_Cam2onRoTarodDeepCut_resnet50_roTarod3Jul17shuffle1_1030000.csv'


def export_df_to_csv(df,csv):
    df.to_csv(csv,index=False)

extract_parent_current.py

import os


def extract_parent_current(dir):
    if str.endswith(dir,'/'):
        dir = dir[:-1]
    return os.path.split(dir)

import_df.py

import os
import random
from copy import deepcopy
import pandas as pd


def import_csvs(WT_file_path,YAC_file_path):
    csv_paths_arr = []
    for root,dirs,files in os.walk(WT_file_path,topdown=False):
        for file in files:
            if not file.startswith('.'):
                csv_paths_arr.append([os.path.join(root,file),0])

    for root,files in os.walk(YAC_file_path,1])

    return csv_paths_arr


def csvs_to_paths_dfs_labels_arr(csvpaths_labels_arr):
    paths_dfs_labels_arr = deepcopy(csvpaths_labels_arr)
    for i,csvpath_label_arr in enumerate(csvpaths_labels_arr):
        (paths_dfs_labels_arr[i])[0] = pd.read_csv(csvpath_label_arr[0],encoding='unicode_escape')
        paths_dfs_labels_arr[i].insert(0,csvpath_label_arr[0])
    return paths_dfs_labels_arr


def import_df(WT_file_path,YAC_file_path):
    csv_paths_arr = import_csvs(WT_file_path,YAC_file_path)
    dfs_labels = csvs_to_paths_dfs_labels_arr(csv_paths_arr)
    random.shuffle(dfs_labels)
    return dfs_labels

解决方法

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