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task_boiler [2023/05/03 16:40] – [find depth of a file or directory] admintask_boiler [2024/01/22 22:50] – raju
Line 4: Line 4:
 Start the first heading with "=====" Start the first heading with "====="
  
-===== find depth ===== +===== Issue ==== 
-==== find depth of a file or directory ====+barrons.com is giving the following error.
 <code> <code>
-import os +You have been blocked.
-  +
-def get_depth(file_or_dir_path): +
-    abs_path = os.path.abspath(os.path.expanduser(file_or_dir_path)) +
-    depth = os.path.normpath(abs_path).count(os.sep) +
-    return depth +
-</code>+
  
-Examples: +Why? 
-<code> +Something about the behaviour of the browser has caught our 
-In [2]:  +attention.
-os.path.abspath(os.path.expanduser('~')) +
-Out[2]:  +
-'/home/rajulocal' +
- +
-In [3]:  +
-get_depth('~') +
-Out[3]:  +
-2 +
- +
-In [4]:  +
-get_depth('/home/rajulocal') +
-Out[4]:  +
-2 +
- +
-In [5]:  +
-get_depth('/home/rajulocal/') +
-Out[5]:  +
-2 +
- +
-In [6]:  +
-get_depth('/home/rajulocal/foo') +
-Out[6]:  +
-3 +
- +
-In [7]:  +
-get_depth('/') +
-Out[7]:  +
-1 +
- +
-In [8]:  +
-get_depth('/home') +
-Out[8]:  +
-1 +
-</code> +
- +
-Using Python 3.10.6, Ipython 8.6.0 +
- +
-tags | measure the depth of a file system path +
- +
-See also: +
-  * https://stackoverflow.com/questions/31528199/how-to-measure-the-depth-of-a-file-system-path - shows how to do it with various command line tools. +
-  * https://docs.python.org/3/library/os.path.html +
- +
-==== depth of a directory relative to a parent directory ==== +
-<code> +
-import os +
-  +
-def dir_depth_relative(child, parent): +
-    child = os.path.abspath(os.path.expanduser(child)) +
-    parent = os.path.abspath(os.path.expanduser(parent)) +
-    assert child.startswith(parent), "child parent relation violated. parent = " + parent + ', child = ' + child +
-    name_space = os.path.relpath(child, parent) +
-    level = os.path.normpath(name_space).count(os.sep) + 1 if name_space != '.' else 0 +
-    return level +
-</code> +
- +
-Examples: +
-<code> +
-In [2]:  +
-[dir_depth_relative('~', '~'), dir_depth_relative('~', '~/'), +
- dir_depth_relative('~/work', '~'), dir_depth_relative('~/work.txt', '~'), +
- dir_depth_relative('/tmp/foo', '/tmp'), dir_depth_relative('/tmp', '/tmp'), +
- dir_depth_relative('/tmp/foo/bar', '/tmp')] +
-Out[2]:  +
-[0, 0, 1, 1, 1, 0, 2] +
- +
-In [3]:  +
-dir_depth_relative('/tmp', '/tmp/foo') +
---------------------------------------------------------------------------- +
-AssertionError                            Traceback (most recent call last) +
-Cell In [3], line 1 +
-----> 1 dir_depth_relative('/tmp', '/tmp/foo')+
  
-Cell In [1], line 6, in dir_depth_relative(child, parent) +There are various possible explanations for this: 
-      4 child = os.path.abspath(os.path.expanduser(child)) +* You are browsing and clicking at a speed much faster than 
-      5 parent = os.path.abspath(os.path.expanduser(parent)) +  expected of a human being. 
-----> 6 assert child.startswith(parent), "child parent relation violated. parent = " + parent + ', child = ' + child +* Something is preventing JavaScript from working on your 
-      7 name_space = os.path.relpath(child, parent) +  computer. 
-      8 level = os.path.normpath(name_space).count(os.sep) + 1 if name_space != '.' else 0+* There is a robot on the same network (IP WW.XX.YY.ZZ) as you.
  
-AssertionError: child parent relation violated. parent = /tmp/foo, child = /tmp+Having problems accessing the site? Submit feedback. 
 +ID: a-b-c-d-e
 </code> </code>
  
task_boiler.txt · Last modified: 2024/01/23 22:55 by raju