Add typings

.gitignore

@@ -6,3 +6,5 @@ dist/
 htmlcov/
 .tox/
 build/
+.mypy_cache/
+.venv/

.travis.yml

@@ -16,4 +16,19 @@ script:
   - coverage run --append --branch --source pyuca full_test.py
 after_success:
   - coveralls
+jobs:
+  include:
+    - name: "check typings"
+      python: 3.8
+      install: |
+        set -e
+        pip install mypy
+      script: |
+        set -e
+        mypy --python-version 3.8 pyuca
+        mypy --python-version 3.7 pyuca
+        mypy --python-version 3.6 pyuca
+        mypy --python-version 3.5 pyuca
+        mypy --python-version 3.4 pyuca
+        mypy --python-version 2.7 pyuca
 sudo: false

mypy.ini

@@ -0,0 +1,16 @@
+[mypy]
+incremental = True
+warn_unused_configs = True
+disallow_any_generics = True
+disallow_subclassing_any = True
+disallow_untyped_calls = True
+disallow_untyped_defs = True
+disallow_incomplete_defs = True
+check_untyped_defs = True
+disallow_untyped_decorators = True
+no_implicit_optional = True
+warn_redundant_casts = True
+warn_unused_ignores = True
+warn_return_any = True
+no_implicit_reexport = True
+disallow_any_unimported = True

pyuca/__init__.pyi

@@ -0,0 +1 @@
+from .collator import Collator as Collator  # noqa

pyuca/collator.pyi

@@ -0,0 +1,64 @@
+import sys
+from typing import List, Optional, Tuple, ClassVar
+from .trie import Trie
+
+class BaseCollator:
+    CJK_IDEOGRAPHS_8_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_10_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_A: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_B: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_C: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_D: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_E: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_F: ClassVar[bool] = ...
+    table: Trie
+    implicit_weights: List[List[int]] = ...
+    def __init__(self, filename: Optional[str] = ...) -> None: ...
+    def load(self, filename: str) -> None: ...
+    def collation_elements(
+        self,
+        normalized_string: str
+    ) -> List[List[int]]: ...
+    def sort_key_from_collation_elements(
+        self,
+        collation_elements: List[List[int]]
+    ) -> Tuple[int, ...]: ...
+    def sort_key(self, string: str) -> Tuple[int, ...]: ...
+    def implicit_weight(self, cp: int) -> List[List[int]]: ...
+    def build_lookup_key(self, text: str) -> List[int]: ...
+
+class Collator_6_3_0(BaseCollator):
+    UCA_VERSION: ClassVar[str] = ...
+
+class Collator_8_0_0(BaseCollator):
+    UCA_VERSION: ClassVar[str] = ...
+    CJK_IDEOGRAPHS_8_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_E: ClassVar[bool] = ...
+
+class Collator_9_0_0(BaseCollator):
+    UCA_VERSION: ClassVar[str] = ...
+    CJK_IDEOGRAPHS_8_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_E: ClassVar[bool] = ...
+
+class Collator_10_0_0(BaseCollator):
+    UCA_VERSION: ClassVar[str] = ...
+    CJK_IDEOGRAPHS_8_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_10_0_0: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_E: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_F: ClassVar[bool] = ...
+
+class Collator_5_2_0(BaseCollator):
+    UCA_VERSION: ClassVar[str] = ...
+    CJK_IDEOGRAPHS_EXT_C: ClassVar[bool] = ...
+    CJK_IDEOGRAPHS_EXT_D: ClassVar[bool] = ...
+    non_char_code_points: ClassVar[List[int]] = ...
+    def build_lookup_key(self, text: str) -> List[int]: ...
+
+if sys.version_info < (3,):
+    Collator = Collator_5_2_0
+elif sys.version_info[:2] == (3, 5):
+    Collator = Collator_8_0_0
+elif sys.version_info[:2] >= (3, 6):
+    Collator = Collator_9_0_0
+else:
+    Collator = Collator_6_3_0

pyuca/trie.pyi

@@ -0,0 +1,15 @@
+from typing import List, Optional, Tuple, Dict
+
+class Node:
+    value: Optional[List[List[int]]]
+    children: Optional[Dict[int, Node]]
+    def __init__(self) -> None: ...
+
+class Trie:
+    root: Node
+    def __init__(self) -> None: ...
+    def add(self, key: List[int], value: List[List[int]]) -> None: ...
+    def find_prefix(
+        self,
+        key: List[int]
+    ) -> Tuple[List[int], Optional[List[List[int]]], List[int]]: ...

pyuca/utils.pyi

@@ -0,0 +1,8 @@
+from typing import Iterable, List, Optional
+
+def hexstrings2int(hexstrings: Iterable[str]) -> List[int]: ...
+def int2hexstrings(number_list: Iterable[int]) -> List[str]: ...
+def format_collation_elements(
+    collation_elements: Optional[List[List[int]]]
+) -> Optional[str]: ...
+def format_sort_key(sort_key: List[int]) -> str: ...

setup.py

@@ -10,6 +10,7 @@
     author_email="jtauber@jtauber.com",
     packages=["pyuca"],
     package_data={"": [
+        "py.typed",
         "allkeys-5.2.0.txt",
         "allkeys-6.3.0.txt",
         "allkeys-8.0.0.txt",