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Find current directory and file's directory [duplicate]
... directory a Python file is contained in, write this in that file:
import os
dir_path = os.path.dirname(os.path.realpath(__file__))
(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is ...
Implement touch using Python?
...han the other solutions. (The with keyword is new in Python 2.5.)
import os
def touch(fname, times=None):
with open(fname, 'a'):
os.utime(fname, times)
Roughly equivalent to this.
import os
def touch(fname, times=None):
fhandle = open(fname, 'a')
try:
os.utime(fname,...
How to get the parent dir location
...can only go as far as the root package, however. If this is a problem, use os.path.abspath: dirname(dirname(abspath(file))).
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Why doesn't os.path.join() work in this case?
...ath" and everything before them is discarded.
Quoting the Python docs for os.path.join:
If a component is an absolute path, all previous components are thrown away and joining continues from the absolute path component.
Note on Windows, the behaviour in relation to drive letters, which seems ...
浅谈APM在电子交易系统中的应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...理服务器）或管理程序遥不可及（即在IaaS环境）时，在操作系统上运行；
· 在容器内；
· 在Java或.Net应用服务器环境内；
·在终端用户设备，连续或按需即时下载。[2]
APM最新发展方向
如果这还没有让APM足够...
Use 'import module' or 'from module import'?
...ur use of it. Here are some points to help you decide.
import module
Pros:
Less maintenance of your import statements. Don't need to add any additional imports to start using another item from the module
Cons:
Typing module.foo in your code can be tedious and redundant (tedium can be minimi...
Batch Renaming of Files in a Directory
...
Such renaming is quite easy, for example with os and glob modules:
import glob, os
def rename(dir, pattern, titlePattern):
for pathAndFilename in glob.iglob(os.path.join(dir, pattern)):
title, ext = os.path.splitext(os.path.basename(pathAndFilename))
...
Extract file name from path, no matter what the os/path format
...
Using os.path.split or os.path.basename as others suggest won't work in all cases: if you're running the script on Linux and attempt to process a classic windows-style path, it will fail.
Windows paths can use either backslash or ...
Directory-tree listing in Python
...is a way to traverse every file and directory in a directory tree:
import os
for dirname, dirnames, filenames in os.walk('.'):
# print path to all subdirectories first.
for subdirname in dirnames:
print(os.path.join(dirname, subdirname))
# print path to all filenames.
for ...
How to move a file?
I looked into the Python os interface, but was unable to locate a method to move a file. How would I do the equivalent of $ mv ... in Python?
...