ENH: Add improved placeholder annotations for `np.char`

2 files changed, 96 insertions, 53 deletions

diff --git a/numpy/__init__.pyi b/numpy/__init__.pyi
index b9909b2f0..4b93ce0f3 100644
--- a/numpy/__init__.pyi
+++ b/numpy/__init__.pyi
@@ -408,7 +408,47 @@ class chararray(ndarray[_ShapeType, _DType_co]):
         strides: Any = ...,
         order: Any = ...,
     ) -> Any: ...
-    def __getattr__(self, key: str) -> Any: ...
+    def __array_finalize__(self, obj): ...
+    def argsort(self, axis=..., kind=..., order=...): ...
+    def capitalize(self): ...
+    def center(self, width, fillchar=...): ...
+    def count(self, sub, start=..., end=...): ...
+    def decode(self, encoding=..., errors=...): ...
+    def encode(self, encoding=..., errors=...): ...
+    def endswith(self, suffix, start=..., end=...): ...
+    def expandtabs(self, tabsize=...): ...
+    def find(self, sub, start=..., end=...): ...
+    def index(self, sub, start=..., end=...): ...
+    def isalnum(self): ...
+    def isalpha(self): ...
+    def isdigit(self): ...
+    def islower(self): ...
+    def isspace(self): ...
+    def istitle(self): ...
+    def isupper(self): ...
+    def join(self, seq): ...
+    def ljust(self, width, fillchar=...): ...
+    def lower(self): ...
+    def lstrip(self, chars=...): ...
+    def partition(self, sep): ...
+    def replace(self, old, new, count=...): ...
+    def rfind(self, sub, start=..., end=...): ...
+    def rindex(self, sub, start=..., end=...): ...
+    def rjust(self, width, fillchar=...): ...
+    def rpartition(self, sep): ...
+    def rsplit(self, sep=..., maxsplit=...): ...
+    def rstrip(self, chars=...): ...
+    def split(self, sep=..., maxsplit=...): ...
+    def splitlines(self, keepends=...): ...
+    def startswith(self, prefix, start=..., end=...): ...
+    def strip(self, chars=...): ...
+    def swapcase(self): ...
+    def title(self): ...
+    def translate(self, table, deletechars=...): ...
+    def upper(self): ...
+    def zfill(self, width): ...
+    def isnumeric(self): ...
+    def isdecimal(self): ...
 
 class finfo:
     def __new__(cls, dtype: Any) -> Any: ...
diff --git a/numpy/char.pyi b/numpy/char.pyi
index 0e3596bb2..4904aa27a 100644
--- a/numpy/char.pyi
+++ b/numpy/char.pyi
@@ -1,56 +1,59 @@
 from typing import Any, List
 
+from numpy import (
+    chararray as chararray,
+)
+
 __all__: List[str]
 
-equal: Any
-not_equal: Any
-greater_equal: Any
-less_equal: Any
-greater: Any
-less: Any
-str_len: Any
-add: Any
-multiply: Any
-mod: Any
-capitalize: Any
-center: Any
-count: Any
-decode: Any
-encode: Any
-endswith: Any
-expandtabs: Any
-find: Any
-index: Any
-isalnum: Any
-isalpha: Any
-isdigit: Any
-islower: Any
-isspace: Any
-istitle: Any
-isupper: Any
-join: Any
-ljust: Any
-lower: Any
-lstrip: Any
-partition: Any
-replace: Any
-rfind: Any
-rindex: Any
-rjust: Any
-rpartition: Any
-rsplit: Any
-rstrip: Any
-split: Any
-splitlines: Any
-startswith: Any
-strip: Any
-swapcase: Any
-title: Any
-translate: Any
-upper: Any
-zfill: Any
-isnumeric: Any
-isdecimal: Any
-array: Any
-asarray: Any
-chararray: Any
+def equal(x1, x2): ...
+def not_equal(x1, x2): ...
+def greater_equal(x1, x2): ...
+def less_equal(x1, x2): ...
+def greater(x1, x2): ...
+def less(x1, x2): ...
+def str_len(a): ...
+def add(x1, x2): ...
+def multiply(a, i): ...
+def mod(a, values): ...
+def capitalize(a): ...
+def center(a, width, fillchar=...): ...
+def count(a, sub, start=..., end=...): ...
+def decode(a, encoding=..., errors=...): ...
+def encode(a, encoding=..., errors=...): ...
+def endswith(a, suffix, start=..., end=...): ...
+def expandtabs(a, tabsize=...): ...
+def find(a, sub, start=..., end=...): ...
+def index(a, sub, start=..., end=...): ...
+def isalnum(a): ...
+def isalpha(a): ...
+def isdigit(a): ...
+def islower(a): ...
+def isspace(a): ...
+def istitle(a): ...
+def isupper(a): ...
+def join(sep, seq): ...
+def ljust(a, width, fillchar=...): ...
+def lower(a): ...
+def lstrip(a, chars=...): ...
+def partition(a, sep): ...
+def replace(a, old, new, count=...): ...
+def rfind(a, sub, start=..., end=...): ...
+def rindex(a, sub, start=..., end=...): ...
+def rjust(a, width, fillchar=...): ...
+def rpartition(a, sep): ...
+def rsplit(a, sep=..., maxsplit=...): ...
+def rstrip(a, chars=...): ...
+def split(a, sep=..., maxsplit=...): ...
+def splitlines(a, keepends=...): ...
+def startswith(a, prefix, start=..., end=...): ...
+def strip(a, chars=...): ...
+def swapcase(a): ...
+def title(a): ...
+def translate(a, table, deletechars=...): ...
+def upper(a): ...
+def zfill(a, width): ...
+def isnumeric(a): ...
+def isdecimal(a): ...
+def array(obj, itemsize=..., copy=..., unicode=..., order=...): ...
+def asarray(obj, itemsize=..., unicode=..., order=...): ...