attack68 · attack68 · Dec 23, 2025 · Dec 25, 2025 · Dec 29, 2025 · Dec 29, 2025
diff --git a/.github/workflows/ubuntu-latest.yml b/.github/workflows/ubuntu-latest.yml
@@ -0,0 +1,54 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Ubuntu latest
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.14"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+    - name: Rust linting checks
+      run: |
+        cargo fmt --check
+    - name: Rust library tests
+      run: |
+        cargo test --lib
+    - name: Rust doc tests
+      run: |
+        cargo test --doc
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[dev] -v
+    - name: Python Ruff linting
+      run: |
+        ruff check
+    - name: Python Ruff formatting
+      run: |
+        ruff format --check
+    - name: Python typing with Mypy
+      run: |
+        mypy --config-file pyproject.toml
+    - name: Test with pytest and display Coverage
+      run: |
+        coverage run -m --source=rateslib pytest
+        coverage report -m
diff --git a/.github/workflows/ubuntu-minimum.yml b/.github/workflows/ubuntu-minimum.yml
@@ -0,0 +1,36 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Ubuntu minimum
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10"]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements-minimum.txt
+        pip install . -v
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/.github/workflows/windows-latest.yml b/.github/workflows/windows-latest.yml
@@ -0,0 +1,37 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Windows latest
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.14"]
+    env:
+      MPLBACKEND: Agg    # https://github.com/orgs/community/discussions/26434
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[dev] -v
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/.github/workflows/windows-minimum.yml b/.github/workflows/windows-minimum.yml
@@ -0,0 +1,38 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Windows minimum
+
+on:
+  push:
+    branches: [ "dev" ]
+  pull_request:
+    branches: [ "dev" ]
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10"]
+    env:
+      MPLBACKEND: Agg    # https://github.com/orgs/community/discussions/26434
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r requirements-minimum.txt
+        pip install . -v
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/pyproject.toml b/pyproject.toml
@@ -19,7 +19,7 @@ version = "2.5.dev0"
 description = "A fixed income library for trading interest rates"
 readme = "README.md"
 authors = [{ name = "J H M Darbyshire"}]
-license = { file = "LICENSE" }
+license-files = ["LICEN[CS]E"]
 keywords = ["interest rate", "derivatives", "swaps", "bonds", "fixed income"]
 dependencies = [
     "numpy>=1.21.5,<3.0",

diff --git a/python/rateslib/__init__.py b/python/rateslib/__init__.py
@@ -60,6 +60,7 @@ def __exit__(self, *args) -> None:  # type: ignore[no-untyped-def]
     index_left,
     index_value,
 )
+from rateslib.data.fixings import FXFixing, IBORFixing, IBORStubFixing, IndexFixing, RFRFixing
 from rateslib.dual import ADOrder, Dual, Dual2, Variable, dual_exp, dual_log, dual_solve, gradient
 from rateslib.enums.generics import NoInput
 from rateslib.fx import FXForwards, FXRates
@@ -116,6 +117,8 @@ def __exit__(self, *args) -> None:  # type: ignore[no-untyped-def]
     FloatPeriod,
     FXCallPeriod,
     FXPutPeriod,
+    ZeroFixedPeriod,
+    ZeroFloatPeriod,
 )
 from rateslib.scheduling import (
     Adjuster,
@@ -201,12 +204,12 @@ def __exit__(self, *args) -> None:  # type: ignore[no-untyped-def]
     "ProxyCurve",
     "index_left",
     "index_value",
-    # # analytic_fixings.py  cannot load due to circular import
-    # "FXFixing",
-    # "IBORFixing",
-    # "IBORStubFixing",
-    # "IndexFixing",
-    # "RFRFixing",
+    # fixings.py
+    "FXFixing",
+    "IBORFixing",
+    "IBORStubFixing",
+    "IndexFixing",
+    "RFRFixing",
     # fx_volatility.py
     "FXDeltaVolSmile",
     "FXDeltaVolSurface",
@@ -220,6 +223,8 @@ def __exit__(self, *args) -> None:  # type: ignore[no-untyped-def]
     # periods.py,
     "FixedPeriod",
     "FloatPeriod",
+    "ZeroFixedPeriod",
+    "ZeroFloatPeriod",
     "Cashflow",
     "FXCallPeriod",
     "FXPutPeriod",

diff --git a/python/rateslib/_spec_loader.py b/python/rateslib/_spec_loader.py
@@ -90,7 +90,7 @@ def _get_kwargs(spec: str) -> dict[str, Any]:
             d["roll"] = _map_str_int(d["roll"])
         if "leg2_roll" in d:
             d["leg2_roll"] = _map_str_int(d["leg2_roll"])
-        return d  # type: ignore[return-value]  # this is [Hashable, Any] not [str, Any]
+        return d  # type: ignore[return-value]
 
     INSTRUMENT_SPECS = {k: _get_kwargs(k) for k in df.columns[4:]}
 

diff --git a/python/rateslib/curves/curves.py b/python/rateslib/curves/curves.py
@@ -646,6 +646,11 @@ def index_value(
         2.375% and the RFR index for that date was 100.73350964. Below we calculate
         the value that was published for the RFR index on 7th Sep 2021 by the Riksbank.
 
+        .. ipython:: python
+           :suppress:
+
+           from rateslib import Curve, dt
+
         .. ipython:: python
 
            index_curve = Curve(

diff --git a/python/rateslib/data/fixings.py b/python/rateslib/data/fixings.py
@@ -48,6 +48,7 @@
         Result,
         _BaseCurve_,
         datetime_,
+        int_,
         str_,
     )
 
@@ -85,17 +86,53 @@ def __init__(
         self._state = 0
         self._date = date
 
-    def reset(self) -> None:
+    def reset(self, state: int_ = NoInput(0)) -> None:
         """
         Sets the ``value`` attribute to :class:`rateslib.enums.generics.NoInput`, which allows it
         to be redetermined from a timeseries.
 
+        .. rubric:: Examples
+
+        .. ipython:: python
+           :suppress:
+
+           from rateslib import fixings, dt, NoInput, FXFixing
+           from pandas import Series
+
+        .. ipython:: python
+
+           fx_fixing1 = FXFixing(date=dt(2021, 1, 1), pair="eurusd", identifier="A")
+           fx_fixing2 = FXFixing(date=dt(2021, 1, 1), pair="gbpusd", identifier="B")
+           fixings.add("A_eurusd", Series(index=[dt(2021, 1, 1)], data=[1.1]), state=100)
+           fixings.add("B_gbpusd", Series(index=[dt(2021, 1, 1)], data=[1.4]), state=200)
+
+           # data is populated from the available Series
+           fx_fixing1.value
+           fx_fixing2.value
+
+           # fixings are reset according to the data state
+           fx_fixing1.reset(state=100)
+           fx_fixing2.reset(state=100)
+
+           # only the private data for fixing1 is removed because of its link to the data state
+           fx_fixing1._value
+           fx_fixing2._value
+
+        .. role:: green
+
+        Parameters
+        ----------
+        state: int, :green:`optional`
+            If given only fixings whose state matches this value will be reset. If no state is
+            given then the value will be reset.
+
         Returns
         -------
         None
         """
-        self._value = NoInput(0)
-        self._state = 0
+        if isinstance(state, NoInput) or self._state == state:
+            self._value = NoInput(0)
+            self._state = 0
 
     @property
     def value(self) -> DualTypes_:
@@ -796,6 +833,13 @@ def value(self) -> DualTypes_:
                 )
                 return self._value
 
+    def reset(self, state: int_ = NoInput(0)) -> None:
+        if not isinstance(self._fixing1, NoInput):
+            self._fixing1.reset(state=state)
+        if not isinstance(self._fixing2, NoInput):
+            self._fixing2.reset(state=state)
+        self._value = NoInput(0)
+
     @cached_property
     def weights(self) -> tuple[float, float]:
         """Scalar multiplier to apply to each tenor fixing for the interpolation."""
@@ -1019,6 +1063,12 @@ def __init__(
         self._method_param = method_param
         self._populated = Series(index=[], data=[], dtype=float)  # type: ignore[assignment]
 
+    def reset(self, state: int_ = NoInput(0)) -> None:
+        if isinstance(state, NoInput) or self._state == state:
+            self._populated = Series(index=[], data=[], dtype=float)  # type: ignore[assignment]
+            self._value = NoInput(0)
+            self._state = 0
+
     @property
     def fixing_method(self) -> FloatFixingMethod:
         """The :class:`FloatFixingMethod` object used to combine multiple RFR fixings."""