Python module implementing common pathname manipulations
Questions tagged [os.path]
502 questions
12
votes
1 answer
Use os.listdir to show directories only
How can I bring python to only output directories via os.listdir, while specifying which directory to list via raw_input?
What I have:
file_to_search = raw_input("which file to search?\n>")
dirlist=[]
for filename in os.listdir(file_to_search):
…
Felix
- 123
- 1
- 1
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11
votes
2 answers
an os.path.join() that doesn't discard before leading slash?
Python's os.path.join has been described as "mostly pointless" because it discards any arguments prior to one containing a leading slash. Leaving aside for the moment that this is intentional and documented behaviour, is there a readily available…
matt wilkie
- 17,268
- 24
- 80
- 115
10
votes
1 answer
os.path.abspath vs os.path.dirname
These are equal in string value, but are they truly equal? What is going on where?
import os
path_name1 = os.path.abspath(os.path.dirname(__file__))
path_name2 = os.path.dirname(os.path.abspath(__file__))
print(path_name1)
print(path_name2)
Mwspencer
- 1,142
- 3
- 18
- 35
9
votes
4 answers
How to extract base path from DataFrame column of path strings
There are several questions about string manipulation, but I can't find an answer which allows me to do the following—I thought it should have been simple...
I have a DataFrame which includes a column containing a filename and path
The following…
rdh9
- 665
- 2
- 11
- 20
8
votes
4 answers
How to get a list of installed windows fonts using python?
How do I get a list of all the font names that are on my computer's system?
Paitor
- 251
- 2
- 18
8
votes
1 answer
Python pathlib: Resolve full path to symbolic link without following it
Let's say I have a link/home/me/folder/link that points to /home/me/target.
When I call
pathlib.Path("link").resolve()
from /home/me/folder/, it will return the resolved path to the target, not the resolved path of the link.
How can I get the…
kuropan
- 774
- 7
- 18
7
votes
1 answer
why os.path.normpath does not remove the firsts //?
Why the first // are not removed ?
The following code:
import os
os.path.normpath('//var//lib/')
returns
'//var/lib'
not
'/var/lib'
Here the definition:
normpath(path)
'''Normalize path, eliminating double slashes, etc.'''
user2652620
- 464
- 2
- 17
7
votes
1 answer
What's the difference between './' and '../' when using os.path.isdir()?
I'm new to python. And something is confusing me today. Under the path c:\python\, there are several folds. I edit a python script under this path, and run the code:
for dir_name in os.listdir("./"):
print dir_name
print…
L.Bes
- 73
- 2
7
votes
2 answers
os.path.join in python returns 'wrong' path?
I have the following python os.path output from ipython
import os.path as path
path.join("/", "tmp")
Out[4]: '/tmp'
path.join("/", "/tmp")
Out[5]: '/tmp'
path.join("abc/", "/tmp")
Out[6]: '/tmp'
path.join("abc", "/tmp")
Out[7]:…
Raghuram Onti Srinivasan
- 745
- 6
- 19
6
votes
6 answers
How to insert a directory in the middle of a file path in Python?
I want to insert a directory name in the middle of a given file path, like this:
directory_name = 'new_dir'
file_path0 = 'dir1/dir2/dir3/dir4/file.txt'
file_path1 = some_func(file_path0, directory_name, position=2)
print(file_path1)
>>>…
NeStack
- 1,739
- 1
- 20
- 40
6
votes
2 answers
Pycharm "unresolved reference" on join of os.path
After upgrade pycharm to 2018.1, and upgrade python to 3.6.5, pycharm reports "unresolved reference 'join'". The last version of pycharm doesn't show any warning for the line below:
from os.path import join, expanduser
May I know why?
(I used…
Liu Yong
- 515
- 5
- 16
6
votes
5 answers
How/where to use os.path.sep?
os.path.sep is the character used by the operating system to separate pathname components.
But when os.path.sep is used in os.path.join(), why does it truncate the path?
Example:
Instead of 'home/python', os.path.join returns '/python':
>>> import…
Gaurav Vichare
- 1,143
- 2
- 11
- 26
6
votes
2 answers
python os.path.exists reports False when files is there
Hi have an application which is sometimes reporting that a file does not exist even when it does, I am using os.path.exists and the file is on a mounted network share. I am on OSX Yosemite, python 2.7.9 and I have access rights to the file. Here's…
speedyrazor
- 3,127
- 7
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- 51
6
votes
4 answers
Python raising NotADirectoryError
I'm trying to raise an error when a directory does not exist, before I open files in that directory. According to this response I should use the most specific Exception constructor for my issue, which I think is NotADirectoryError. But running the…
BoltzmannBrain
- 5,082
- 11
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- 79
6
votes
1 answer
os.path.isdir returns false when folder exists?
I have the following code which checks if the directory exists
def download(id, name, bar):
cwd = os.getcwd()
dir = os.path.join(cwd,bar)
partial = os.path.join(cwd, id + ".partial")
print os.path.isdir(dir)
…
ddd
- 4,665
- 14
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