* wpylib.file.file_utils: added is_readable/is_writable test functions.

master
Wirawan Purwanto 10 years ago
parent f3f47f658e
commit 02a0222f34
  1. 15
      file/file_utils.py

@ -125,6 +125,21 @@ def is_executable_file(path):
# Ref: http://stackoverflow.com/questions/377017/test-if-executable-exists-in-python
return os.path.isfile(path) and os.access(path, os.X_OK)
def is_writable(path):
"""Determines whether a path exists and is writable by the current user,
like the `test -w' shell command.
"""
# Ref: http://stackoverflow.com/questions/2113427/determining-whether-a-directory-is-writeable
# Ref: http://stackoverflow.com/a/2113750/655885
return os.access(path, os.W_OK) # W_OK is for writing, R_OK for reading, etc.
def is_readable(path):
"""Determines whether a path exists and is readable by the current user,
like the `test -r' shell command.
"""
return os.access(path, os.R_OK)
def dirname2(path):
"""Returns the directory part of a path.
The difference from os.path.dirname is that if the directory

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