lib_0001_file_manager.py

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import os

import pathlib

import shutil

import sys

class file_manager():

cls_working_folder = 'c:\\'

@classmethod

def create_file_in_working_folder(self, file_name):

pass

@classmethod

def create_file_in_current_folder(self, file_name):

pass

@classmethod

def create_file_for_nt(self, file):

parent = os.getcwd()

if file.find('\\') >= 0:

parent = os.path.dirname(file)

self.create_folder(parent)

try:

with open(file, 'w') as f:

pass

except Exception as e:

print(e)

@classmethod

def create_folder(self, path):

mk_path = pathlib.Path(path)

mk_path.mkdir( parents=True, exist_ok=True )

@classmethod

def delete_folder(self, path):

if self.is_a_exist_folder(path):

try:

shutil.rmtree(path)

except Exception as e:

print(e)

@classmethod

def delete_file(self, path):

if self.is_a_exist_file(path):

try:

os.remove(path)

except Exception as e:

print(e)

@classmethod

def dump_to_file(self, file, context):

pass

@classmethod

def load_from_file(self, file):

context = ""

if self.is_a_exist_file(file):

try:

with open(file,'r', encoding='utf-8') as f:

context = f.read()

except Exception as e:

print(e)

return context

@classmethod

def load_lines_from_file(self, file):

context = []

if self.is_a_exist_file(file):

try:

with open(file,'r', encoding='utf-8') as f:

context = f.readlines()

except Exception as e:

print(e)

return context

@classmethod

def append_to_file(self, file, context):

if self.is_a_exist_file(file):

try:

with open(file, 'a', encoding='utf-8') as f:

f.write(context)

except Exception as e:

print(e)

@classmethod

def get_folder_name(self,path):

pass

@classmethod

def get_working_folder(self):

pass

@classmethod

def get_parent_folder_name(self):

pass

@classmethod

def is_a_exist_folder(self, path):

return os.path.isdir(path)

@classmethod

def is_a_exist_file(self, path):

return os.path.isfile(path)

@classmethod

def get_sub_folder_list( self, path ):

for root, dirs, files in os.walk(path, topdown=True):

return dirs

@classmethod

def _get_sub_folder_list_2( self, path ):

dirs = os.listdir(path)

pass

@classmethod

def what_is_this(self, path):

if not path:

return "null"

if self.is_a_exist_file(path):

return "exist file"

elif self.is_a_exist_folder(path):

return "exist folder" # C: will be ok

pos_sep = path.rfind('\\')

if pos_sep < 0:

return "invalid path" # dose not like C:

if not self.is_a_exist_folder( path[0:path.find('\\')] ):

return "invalid path"

ret = ""

pos_point = path.rfind('.')

if pos_point > pos_sep:

ret = "to make a file"

else:

ret = "to make a folder"

dir_p = path

while not self.is_a_exist_folder(dir_p):

dir_p = os.path.dirname(dir_p)

ret = ret + " with root:" + dir_p

return ret

def _test():

# print('hello')

# print(env_config.root_path)

# print(env_config.lib_path)

# print(env_config.data_path)

#file_manager.get_sub_folder_list(env_config.project_path)

# print(file_manager.is_a_exist_file("c:\\test\\aaaaa.txt"))

# print(file_manager.get_parent_folder_name())

fo_gu = "c:\\test\\guyu\\1234\\2222"

# fo_gu = 'this is not a path'

f_gu = "c:\\test\\gu.txt"

f_gu = "c:\\test\\gu\\gu.txt"

# f_gu = "c:\\test\\gu\\aa.xlsx"

# f_gu = "xxx"

# file_manager.create_folder(fo_gu)

# file_manager.delete_folder(fo_gu)

# file_manager.delete_file(f_gu)

# file_manager.create_file_for_nt(f_gu)

print(sys.getdefaultencoding())

file_manager.append_to_file(f_gu, "add a line")

print(file_manager.is_a_exist_file(fo_gu))

print(file_manager.is_a_exist_folder(fo_gu))

# aa = os.path.dirname(fo_gu)

# print(aa)

# print(file_manager.what_is_this(fo_gu))

# path = pathlib.Path(f_gu)

# path = path.parent

# path = os.path(f_gu)

# print(path)

pass

if __name__ == '__main__':

_test()

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lib_0001_file_manager.py

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