I have the following code which works as expected, expect when the source file is the same as the destination file. I have tried os.path. isfile/isdir/exists but I'm hitting a wall.
So essentially this loops through the file_list and moves the file in the list to the destination. However, it can happen that the source and destination are the same, so, if the file's location is the same as the destination, then it is trying to move itself to itself and obviously fails. So in the following I need to add a check, if the file's location (source) is the same as the destination then pass.
def move_files(file_list, destination):
for file in file_list:
source_file = file
shutil.move(source_file, destination)
In this case the destination is a folder path and the source is a folder path + file name, so I need to ignore the source's file name and compare the path with the destination.
I feel I'm over complicating this, but any help is appreciated.
You can make use of abspath and dirname methods of os.path. The first one returns the absolute path of a directory, the second provides the directory name of a path.
def move_files(file_list, destination):
# just in case you don't provide absolute paths
# you can also consider using `expanduser`
destination = os.path.abspath(destination)
for file in file_list:
file_abs_path = os.path.abspath(file)
if os.path.dirname(file_abs_path) != destination:
shutil.move(file_abs_path, destination)
https://docs.python.org/3/library/os.path.html#os.path.abspath
https://docs.python.org/3/library/os.path.html#os.path.dirname
https://docs.python.org/3/library/os.path.html#os.path.expanduser
I think this is what you want
And also, i've found the source_file variable des nothing special here. So i just ignored it.
import os
import shutil
def move_files(file_list, destination):
dir_lst = os.listdir(destination)
for file in file_list:
if file not in dir_lst: # This will only move the files if its not in the destination folder
shutil.move(file, destination)
For a complete code using only os module,
import os
def move_files(file_list, destination):
dir_lst = os.listdir(destination)
for file in file_list:
if file not in dir_lst: # This will only move the files if its not in the destination folder
os.rename(file, destination)
Related
source = ('C:\\AutoTransInt\\Input\\oplog\\*.csv')
destination=("C:\\AutoTransInt\\Input\\excel")
How to perform copy operation for above line using
copyfile(source,destination)
i am getting error when i tried to do this
You can use "shutil" that has many methods you can use. One of which is:
from shutil import copyfile
copyfile(src, dst)
you just has to add your source file to src object and destination file to dst object.
Description is as follow:
Copy the contents of the file named src to a file named dst.
The destination location must be writable; otherwise, an IOError exception will be raised.
If dst already exists, it will be replaced.
Special files such as character or block devices and pipes cannot be copied with this function.
you can also use copy2 function of same library.
example:
import shutil
shutil.copy2('/src/dir/file.ext', '/dst/dir/newname.ext') # complete target filename given
shutil.copy2('/src/file.ext', '/dst/dir') # target filename is /dst/dir/file.ext
using
import sys
folder = sys.argv[1]
for i in folder:
for file in i:
if file == "test.txt":
print (file)
would this access a file in the folder of a subfolder? For Example 1 main folder, with 20 subfolders, and each subfolder has 35 files. I want to pass the folder in commandline and access the first subfolder and the second file in it
Neither. This doesn't look at files or folders.
sys.argv[1] is just a string. i is the characters of that string. for file in i shouldn't work because you cannot iterate a character.
Maybe you want to glob or walk a directory instead?
Here's a short example using the os.walk method.
import os
import sys
input_path = sys.argv[1]
filters = ["test.txt"]
print(f"Searching input path '{input_path}' for matches in {filters}...")
for root, dirs, files in os.walk(input_path):
for file in files:
if file in filters:
print("Found a match!")
match_path = os.path.join(root, file)
print(f"The path is: {match_path}")
If the above file was named file_finder.py, and you wanted to search the directory my_folder, you would call python file_finder.py my_folder from the command line. Note that if my_folder is not in the same directory as file_finder.py, then you have to provide the full path.
No, this won't work, because folder will be a string, so you'll be iterating through the characters of the string. You could use the os module (e.g., the os.listdir() method). I don't know what exactly are you passing to the script, but probably it would be easiest by passing an absolute path. Look at some other methods in the module used for path manipulation.
I have a small program that moves all files out of a directory and then searches all subdirectories for other files which it also moves out.
import shutil
import os
import ctypes
import sys
copyfrom = r'D:\Downloads\'
copyto = r'D:\Downloads\'
for r, d, f in os.walk(copyfrom):
for file in f:
if os.path.join(r, file) == copyto:
continue
print(os.path.join(r, file))
shutil.move(os.path.join(r, file), os.path.join(copyto, file))
It works right now but will overwrite every file that has a filename of an existing file. For example if i have banana.mp3 and banana.jpeg it will overwrite one of the files. Instead i would like the file with an existing name to be renamed.
You may check whether the file exists using os.path.exists(destination) . But you should make sure that no race condition is going to happen. So you may open the existing file using a command like os.open(), do your work and then close the file.
i have written a python script to rename all the files present in a folder by removing all the numbers from the file name but this doesn't work .
Note :Same code works fine for python2.7
import os
def rename_files():
#(1) get file names from a folder
file_list = os.listdir(r"D:\prank")
print(file_list)
saved_path = os.getcwd()
print("Current working Directory is " + saved_path)
os.chdir(r"D:\prank")
#(2) for each file ,rename filename
for file_name in file_list:
os.rename(file_name, file_name.translate(None,"0123456789"))
rename_files()
Can anyone tell me how to make it work.Is the translate function which is not working properly
The problem is with os.rename() portion of your code.
os.rename() requires you to give it a full path to the file/folder you want to change it to, while you only gave it the file_name and not the full path.
You have to add the full path to the folders/files directory.
so it should look like this:
def rename_files():
# add the folder path
folder_path = "D:\prank\\"
file_list = os.listdir(r"D:\prank")
print(file_list)
saved_path = os.getcwd()
print("Current working Directory is " + saved_path)
os.chdir(r"D:\prank")
# Concat the folder_path with file_name to create the full path.
for file_name in file_list:
full_path = folder_path + file_name
print (full_path) # See the full path here.
os.rename(full_path, full_path.translate(None, "0123456789"))
look up the documentation for os, heres what ive found on rename:
os.rename(src, dst, *, src_dir_fd=None, dst_dir_fd=None)
Rename the file or directory src to dst. If dst is a directory, OSError will be raised. On Unix, if dst exists and is a file, it will be replaced silently if the user has permission. The operation may fail on some Unix flavors if src and dst are on different filesystems. If successful, the renaming will be an atomic operation (this is a POSIX requirement). On Windows, if dst already exists, OSError will be raised even if it is a file.
This function can support specifying src_dir_fd and/or dst_dir_fd to supply paths relative to directory descriptors.
If you want cross-platform overwriting of the destination, use replace().
New in version 3.3: The src_dir_fd and dst_dir_fd arguments.
heres a link to the documentation, hope this helps, thanks
https://docs.python.org/3/library/os.html
Others have pointed out other issues with your code, but as to your use of translate, in Python 3.x, you need to pass a dictionary mapping ordinals to new values (or None). This code would work:
import string
...
file_name.translate(dict(ord(c), None for c in string.digits))
but this seems easier to understand:
import re
...
re.sub(r'\d', '', file_name)
I am working on a search-and-destroy type program which I need it to do is search all directories with a certain file-name and append them to a list. after that delete all those files...not objects in list or the list...
import os
file_list=[]
for root, dirs, files in os.walk(path-to-dir'):
for f_name in files:
if f_name.startswith("file-name"):
file_list.append(f_name)
I could write up to appending part of the code but I don't know next...
Some help please
To remove a file from your computer, use os.remove(). It takes full path to the file as it's parameter, so instead of calling os.remove("infectedFile.dll") you would call os.remove("C:/program files/avira/infectedFile.dll")
So your file_list should contain full paths to the files, and then just call:
for file in file_list:
os.remove(file)
Modify your file_list.append(f_name). The f_name is only a bare name. You need to add the path to the file name in the time of processing, because you do not know where the file was found in the directory hierarchy:
file_list.append(os.path.join(root, f_name))
The root variable contains the path during walking.
To make check whether your code works, just print the content of the list:
print('\n'.join(file_list))
Or you can do it in the loop to get ready for the later part:
for fname in file_list:
print(fname)
Then you just add the os.remove(fname) to remove the file name:
for fname in file_list:
print('removing', fname)
os.remove(fname)