X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=string_utils.py;h=a2f46332156e0c5fc41f3db8a8228a149272651c;hb=c08841600a2f61049cdb1a152407a1fb8ca129a5;hp=4bec031738e989d10507992387e18aa47996da8e;hpb=f2600f30801c849fc1d139386e3ddc3c9eb43e30;p=python_utils.git

diff --git a/string_utils.py b/string_utils.py
index 4bec031..a2f4633 100644
--- a/string_utils.py
+++ b/string_utils.py
@@ -857,6 +857,10 @@ def words_count(in_str: str) -> int:
     return len(WORDS_COUNT_RE.findall(in_str))
 
 
+def word_count(in_str: str) -> int:
+    return words_count(in_str)
+
+
 def generate_uuid(omit_dashes: bool = False) -> str:
     """
     Generated an UUID string (using `uuid.uuid4()`).
@@ -876,7 +880,9 @@ def generate_random_alphanumeric_string(size: int) -> str:
     Returns a string of the specified size containing random
     characters (uppercase/lowercase ascii letters and digits).
 
-    random_string(9) # possible output: "cx3QQbzYg"
+    >>> random.seed(22)
+    >>> generate_random_alphanumeric_string(9)
+    '96ipbNClS'
 
     """
     if size < 1:
@@ -971,6 +977,10 @@ def shuffle(in_str: str) -> str:
     return from_char_list(chars)
 
 
+def scramble(in_str: str) -> str:
+    return shuffle(in_str)
+
+
 def strip_html(in_str: str, keep_tag_content: bool = False) -> str:
     """
     Remove html code contained into the given string.
@@ -1218,6 +1228,22 @@ def sprintf(*args, **kwargs) -> str:
     return ret
 
 
+def strip_ansi_sequences(in_str: str) -> str:
+    """Strips ANSI sequences out of strings.
+
+    >>> import ansi as a
+    >>> s = a.fg('blue') + 'blue!' + a.reset()
+    >>> len(s)   # '\x1b[38;5;21mblue!\x1b[m'
+    18
+    >>> len(strip_ansi_sequences(s))
+    5
+    >>> strip_ansi_sequences(s)
+    'blue!'
+
+    """
+    return re.sub(r'\x1b\[[\d+;]*[a-z]', '', in_str)
+
+
 class SprintfStdout(contextlib.AbstractContextManager):
     """
     A context manager that captures outputs to stdout.
@@ -1649,7 +1675,7 @@ def ip_v4_sort_key(txt: str) -> Optional[Tuple[int, ...]]:
     if not is_ip_v4(txt):
         print(f"not IP: {txt}")
         return None
-    return tuple([int(x) for x in txt.split('.')])
+    return tuple(int(x) for x in txt.split('.'))
 
 
 def path_ancestors_before_descendants_sort_key(volume: str) -> Tuple[str, ...]:
@@ -1664,7 +1690,7 @@ def path_ancestors_before_descendants_sort_key(volume: str) -> Tuple[str, ...]:
     ['/usr', '/usr/local', '/usr/local/bin']
 
     """
-    return tuple([x for x in volume.split('/') if len(x) > 0])
+    return tuple(x for x in volume.split('/') if len(x) > 0)
 
 
 def replace_all(in_str: str, replace_set: str, replacement: str) -> str:
@@ -1680,6 +1706,20 @@ def replace_all(in_str: str, replace_set: str, replacement: str) -> str:
     return in_str
 
 
+def replace_nth(in_str: str, source: str, target: str, nth: int):
+    """Replaces the nth occurrance of a substring within a string.
+
+    >>> replace_nth('this is a test', ' ', '-', 3)
+    'this is a-test'
+
+    """
+    where = [m.start() for m in re.finditer(source, in_str)][nth - 1]
+    before = in_str[:where]
+    after = in_str[where:]
+    after = after.replace(source, target, 1)
+    return before + after
+
+
 if __name__ == '__main__':
     import doctest