[3.13] gh-150285: Fix too long docstrings in the os module (GH-150296) (GH-150341) (GH-150464) (GH-153755)

(cherry picked from commit 739552c)
(cherry picked from commit a5cb7c3)
(cherry picked from commit 1e72dfa)

Author: serhiy-storchaka

Lib/os.py

@@ -203,11 +203,11 @@ def _add(str, fn):
 def makedirs(name, mode=0o777, exist_ok=False):
     """makedirs(name [, mode=0o777][, exist_ok=False])
 
-    Super-mkdir; create a leaf directory and all intermediate ones.  Works like
-    mkdir, except that any intermediate path segment (not just the rightmost)
-    will be created if it does not exist. If the target directory already
-    exists, raise an OSError if exist_ok is False. Otherwise no exception is
-    raised.  This is recursive.
+    Super-mkdir; create a leaf directory and all intermediate ones.  Works
+    like mkdir, except that any intermediate path segment (not just the
+    rightmost) will be created if it does not exist.  If the target
+    directory already exists, raise an OSError if exist_ok is False.
+    Otherwise no exception is raised.  This is recursive.
 
     """
     head, tail = path.split(name)
@@ -295,12 +295,12 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
         dirpath, dirnames, filenames
 
     dirpath is a string, the path to the directory.  dirnames is a list of
-    the names of the subdirectories in dirpath (including symlinks to directories,
-    and excluding '.' and '..').
+    the names of the subdirectories in dirpath (including symlinks to
+    directories, and excluding '.' and '..').
     filenames is a list of the names of the non-directory files in dirpath.
-    Note that the names in the lists are just names, with no path components.
-    To get a full path (which begins with top) to a file or directory in
-    dirpath, do os.path.join(dirpath, name).
+    Note that the names in the lists are just names, with no path
+    components.  To get a full path (which begins with top) to a file or
+    directory in dirpath, do os.path.join(dirpath, name).
 
     If optional arg 'topdown' is true or not specified, the triple for a
     directory is generated before the triples for any of its subdirectories
@@ -310,13 +310,13 @@ def walk(top, topdown=True, onerror=None, followlinks=False):
 
     When topdown is true, the caller can modify the dirnames list in-place
     (e.g., via del or slice assignment), and walk will only recurse into the
-    subdirectories whose names remain in dirnames; this can be used to prune the
-    search, or to impose a specific order of visiting.  Modifying dirnames when
-    topdown is false has no effect on the behavior of os.walk(), since the
-    directories in dirnames have already been generated by the time dirnames
-    itself is generated. No matter the value of topdown, the list of
-    subdirectories is retrieved before the tuples for the directory and its
-    subdirectories are generated.
+    subdirectories whose names remain in dirnames; this can be used to prune
+    the search, or to impose a specific order of visiting.  Modifying
+    dirnames when topdown is false has no effect on the behavior of
+    os.walk(), since the directories in dirnames have already been generated
+    by the time dirnames itself is generated. No matter the value of
+    topdown, the list of subdirectories is retrieved before the tuples for
+    the directory and its subdirectories are generated.
 
     By default errors from the os.scandir() call are ignored.  If
     optional arg 'onerror' is specified, it should be a function; it
@@ -457,9 +457,9 @@ def fwalk(top=".", topdown=True, onerror=None, *, follow_symlinks=False, dir_fd=
         The advantage of fwalk() over walk() is that it's safe against symlink
         races (when follow_symlinks is False).
 
-        If dir_fd is not None, it should be a file descriptor open to a directory,
-          and top should be relative; top will then be relative to that directory.
-          (dir_fd is always supported for fwalk.)
+        If dir_fd is not None, it should be a file descriptor open to
+        a directory, and top should be relative; top will then be relative to
+        that directory.  (dir_fd is always supported for fwalk.)
 
         Caution:
         Since fwalk() yields file descriptors, those are only valid until the