From 0c767890f075172b52cee317f32ac239b0a23355 Mon Sep 17 00:00:00 2001
From: Nicholay Shestakov <nicholas.shestakov@gmail.com>
Date: Sun, 26 Oct 2025 02:03:28 +0300
Subject: [PATCH 1/4] Add currying and uncurrying functions

---
 src/functions_exceptions/currying/currying.py | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 src/functions_exceptions/currying/currying.py

diff --git a/src/functions_exceptions/currying/currying.py b/src/functions_exceptions/currying/currying.py
new file mode 100644
index 0000000..de10e31
--- /dev/null
+++ b/src/functions_exceptions/currying/currying.py
@@ -0,0 +1,40 @@
+def curry(func, n):
+    if n < 0:
+        raise Exception("Negative n-ary.")
+    try:
+        func(*range(n))
+    except TypeError:
+        raise Exception("Not right n-ary.")
+
+    if n in (0, 1):
+        return func
+
+    def curried_func(x):
+        def new_func(*args):
+            return func(x, *args)
+
+        return curry(new_func, n - 1)
+
+    return curried_func
+
+
+def uncurry(curried_func, n):
+    if n < 0:
+        raise Exception("Negative n-ary.")
+
+    if n == 0:
+        return curried_func
+
+    def uncurried_func(*args):
+        new_func = curried_func(args[0])
+        for x in range(1, n):
+            new_func = new_func(args[x])
+
+        return new_func
+
+    try:
+        uncurried_func(*range(n))
+    except TypeError:
+        raise Exception("Not right n-ary.")
+
+    return uncurried_func

From a98d89f79e1e52c0ed79858dd253c496d365ccbf Mon Sep 17 00:00:00 2001
From: Nicholay Shestakov <nicholas.shestakov@gmail.com>
Date: Sun, 26 Oct 2025 12:19:30 +0300
Subject: [PATCH 2/4] Add configuration for pytest

---
 pyproject.toml | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 pyproject.toml

diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5d71f15
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[tool.pytest.ini_options]
+testpaths = "tests"
+pythonpath = "src"

From 41e3d993cee6e69624e5a9ebff5efa798b6fc285 Mon Sep 17 00:00:00 2001
From: Nicholay Shestakov <nicholas.shestakov@gmail.com>
Date: Sun, 26 Oct 2025 12:20:00 +0300
Subject: [PATCH 3/4] Add tests for currying and uncurrying functions

---
 tests/currying_test.py | 81 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 tests/currying_test.py

diff --git a/tests/currying_test.py b/tests/currying_test.py
new file mode 100644
index 0000000..82ee637
--- /dev/null
+++ b/tests/currying_test.py
@@ -0,0 +1,81 @@
+from functions_exceptions.currying.currying import curry, uncurry
+
+
+def test_base():
+    def func(x, y, z):
+        return x + y + z
+
+    curry_func = curry(func, 3)
+    uncurry_func = uncurry(curry_func, 3)
+    assert func(10, 20, 30) == curry_func(10)(20)(30) == uncurry_func(10, 20, 30)
+
+
+def test_unknown_argument_count():
+    def func(*args):
+        return sum(args)
+
+    curry_func = curry(func, 5)
+    uncurry_func = uncurry(curry_func, 5)
+    assert (
+        func(1, 2, 3, 4, 5) == curry_func(1)(2)(3)(4)(5) == uncurry_func(1, 2, 3, 4, 5)
+    )
+
+
+def test_no_arguments():
+    def func():
+        return 1
+
+    curry_func = curry(func, 0)
+    uncurry_func = uncurry(curry_func, 0)
+    assert func() == curry_func() == uncurry_func()
+
+
+def test_one_argument():
+    def func(x):
+        return x
+
+    curry_func = curry(func, 1)
+    uncurry_func = uncurry(curry_func, 1)
+    assert func(1) == curry_func(1) == uncurry_func(1)
+
+
+def test_curry_negative_n_ary():
+    def func(x, y, z):
+        return x + y + z
+
+    try:
+        curry(func, -1)
+    except Exception as e:
+        assert str(e) == "Negative n-ary."
+
+
+def test_uncurry_negative_n_ary():
+    def func(x, y, z):
+        return x + y + z
+
+    try:
+        curry_func = curry(func, 3)
+        uncurry(curry_func, -1)
+    except Exception as e:
+        assert str(e) == "Negative n-ary."
+
+
+def test_curry_not_right_n_ary():
+    def func(x, y, z):
+        return x + y + z
+
+    try:
+        curry(func, 4)
+    except Exception as e:
+        assert str(e) == "Not right n-ary."
+
+
+def test_uncurry_not_right_n_ary():
+    def func(x, y, z):
+        return x + y + z
+
+    try:
+        curry_func = curry(func, 3)
+        uncurry(curry_func, 4)
+    except Exception as e:
+        assert str(e) == "Not right n-ary."

From 27e7e32e7daaa8b8f2f3394ccc37439fa86e9c43 Mon Sep 17 00:00:00 2001
From: Nicholay Shestakov <nicholas.shestakov@gmail.com>
Date: Sun, 26 Oct 2025 12:23:53 +0300
Subject: [PATCH 4/4] Add pytest run in CI

---
 .github/workflows/pytest.yml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 .github/workflows/pytest.yml

diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
new file mode 100644
index 0000000..5e9923c
--- /dev/null
+++ b/.github/workflows/pytest.yml
@@ -0,0 +1,30 @@
+name: Python tests
+
+on:
+  push:
+    branches: ["*"]
+  pull_request:
+    branches: ["*"]
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'  # или нужная версия
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest
+        # pip install -r requirements.txt  # если есть зависимости
+
+    - name: Run tests
+      run: |
+        pytest -v