Check & update GH actions

.github/workflows/docs.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Set up Python 3.8
       uses: actions/setup-python@v1
       with:
-        python-version: 3.8
+        python-version: 3.9
     - name: Install package
       run: |
         pip install -e .

.github/workflows/pypi.yml

@@ -12,7 +12,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v1
       with:
-        python-version: '3.8'
+        python-version: '3.9'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip

.github/workflows/tests.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 20
       matrix:
-        python-version: ['3.8', '3.9']
+        python-version: ['3.9', '3.10']
         backend: ["none", "pytorch", "tensorflow", "jax", "numpy"]
 
     steps:

foolbox/attacks/additive_noise.py

@@ -6,7 +6,7 @@
 from ..devutils import flatten
 from ..devutils import atleast_kd
 
-from ..distances import l2, linf
+from ..distances import l2, linf, Distance
 
 from .base import FixedEpsilonAttack
 from .base import Criterion
@@ -56,7 +56,9 @@ def get_epsilons(
 
 
 class L2Mixin:
-    distance = l2
+    @property
+    def distance(self) -> Distance:
+        return l2
 
     def get_epsilons(
         self, x: ep.Tensor, p: ep.Tensor, epsilon: float, min_: float, max_: float
@@ -66,7 +68,9 @@ def get_epsilons(
 
 
 class L2ClippingAwareMixin:
-    distance = l2
+    @property
+    def distance(self) -> Distance:
+        return l2
 
     def get_epsilons(
         self, x: ep.Tensor, p: ep.Tensor, epsilon: float, min_: float, max_: float
@@ -77,7 +81,9 @@ def get_epsilons(
 
 
 class LinfMixin:
-    distance = linf
+    @property
+    def distance(self) -> Distance:
+        return linf
 
     def get_epsilons(
         self, x: ep.Tensor, p: ep.Tensor, epsilon: float, min_: float, max_: float

foolbox/attacks/base.py

@@ -241,7 +241,7 @@ def __call__(
         ...
 
     @final  # noqa: F811
-    def __call__(  # type: ignore
+    def __call__(
         self,
         model: Model,
         inputs: T,
@@ -381,7 +381,7 @@ def __call__(
         ...
 
     @final  # noqa: F811
-    def __call__(  # type: ignore
+    def __call__(
         self,
         model: Model,
         inputs: T,

foolbox/attacks/boundary_attack.py

@@ -311,7 +311,7 @@ def clear(self, dims: ep.Tensor) -> None:
             self.tensor = dims  # pragma: no cover
         dims = dims.numpy()
         assert dims.shape == (self.N,)
-        assert dims.dtype == np.bool
+        assert dims.dtype == np.bool_
         self.data[:, dims] = np.nan
 
     def mean(self) -> ep.Tensor:

foolbox/attacks/brendel_bethge.py

@@ -487,7 +487,7 @@ def logits_diff_and_grads(x) -> Tuple[Any, Any]:
         x = starting_points
         lrs = self.lr * np.ones(N)
         lr_reduction_interval = max(1, int(self.steps / self.lr_num_decay))
-        converged = np.zeros(N, dtype=np.bool)
+        converged = np.zeros(N, dtype=np.bool_)
         rate_normalization = np.prod(x.shape) * (max_ - min_)
         original_shape = x.shape
         _best_advs = best_advs.numpy()
@@ -569,7 +569,9 @@ def logits_diff_and_grads(x) -> Tuple[Any, Any]:
             # add step to current perturbation
             x = (x + ep.astensor(deltas)).reshape(original_shape)
 
-            tb.probability("converged", converged, step)
+            tb.probability(
+                "converged", ep.from_numpy(x, converged.astype(np.bool_)), step
+            )
             tb.histogram("norms", source_norms, step)
             tb.histogram("candidates/distances", distances, step)
 

foolbox/attacks/carlini_wagner.py

@@ -174,7 +174,7 @@ def loss_fun(
                     # after each tenth of the overall steps, check progress
                     if not (loss <= 0.9999 * loss_at_previous_check):
                         break  # stop Adam if there has been no progress
-                    loss_at_previous_check = loss
+                    loss_at_previous_check = loss.item()
 
                 found_advs_iter = is_adversarial(perturbed, logits)
                 found_advs = np.logical_or(found_advs, found_advs_iter.numpy())

foolbox/attacks/dataset_attack.py

@@ -101,10 +101,10 @@ def run(
             if found.all():
                 break
 
-            indices = np.array([pool[i] for pool in index_pools])
+            indices_np = np.array([pool[i] for pool in index_pools])
 
-            xp = self.inputs[indices]
-            yp = self.outputs[indices]
+            xp = self.inputs[indices_np]
+            yp = self.outputs[indices_np]
             is_adv = criterion(xp, yp)
 
             new_found = ep.logical_and(is_adv, found.logical_not())

foolbox/attacks/gen_attack.py

@@ -77,8 +77,8 @@ def apply_noise(
     def choice(
         self, a: int, size: Union[int, ep.TensorType], replace: bool, p: ep.TensorType
     ) -> Any:
-        p = p.numpy()
-        x = np.random.choice(a, size, replace, p)
+        p_np: np.ndarray = p.numpy()
+        x = np.random.choice(a, size, replace, p_np)  # type: ignore
         return x
 
     def run(

foolbox/attacks/gen_attack_utils.py

@@ -39,13 +39,13 @@ def rclip(rows: np.ndarray) -> np.ndarray:
         wc = np.expand_dims((cols - col_lo) * (row_hi - rows), -1)
         wd = np.expand_dims((cols - col_lo) * (rows - row_lo), -1)
 
-        return wa * Ia + wb * Ib + wc * Ic + wd * Id  # type: ignore
+        return wa * Ia + wb * Ib + wc * Ic + wd * Id
 
     nrows, ncols = img.shape[-3:-1]
     deltas = (0.5 / resize_rates[0], 0.5 / resize_rates[1])
 
-    rows = np.linspace(deltas[0], nrows - deltas[0], np.int32(resize_rates[0] * nrows))
-    cols = np.linspace(deltas[1], ncols - deltas[1], np.int32(resize_rates[1] * ncols))
+    rows = np.linspace(deltas[0], nrows - deltas[0], int(resize_rates[0] * nrows))
+    cols = np.linspace(deltas[1], ncols - deltas[1], int(resize_rates[1] * ncols))
     rows_grid, cols_grid = np.meshgrid(rows - 0.5, cols - 0.5, indexing="ij")
 
     img_resize_vec = interpolate_bilinear(img, rows_grid.flatten(), cols_grid.flatten())
@@ -63,7 +63,7 @@ def rescale_numpy(x: ep.NumPyTensor, target_shape: List[int]) -> ep.NumPyTensor:
 
     resize_rates = (target_shape[1] / x.shape[1], target_shape[2] / x.shape[2])
 
-    def interpolate_bilinear(  # type: ignore
+    def interpolate_bilinear(
         im: np.ndarray, rows: np.ndarray, cols: np.ndarray
     ) -> np.ndarray:
         # based on http://stackoverflow.com/a/12729229
@@ -72,10 +72,10 @@ def interpolate_bilinear(  # type: ignore
         row_lo = np.floor(rows).astype(int)
         row_hi = row_lo + 1
 
-        def cclip(cols: np.ndarray) -> np.ndarray:  # type: ignore
+        def cclip(cols: np.ndarray) -> np.ndarray:
             return np.clip(cols, 0, ncols - 1)
 
-        def rclip(rows: np.ndarray) -> np.ndarray:  # type: ignore
+        def rclip(rows: np.ndarray) -> np.ndarray:
             return np.clip(rows, 0, nrows - 1)
 
         nrows, ncols = im.shape[-3:-1]
@@ -90,7 +90,7 @@ def rclip(rows: np.ndarray) -> np.ndarray:  # type: ignore
         wc = np.expand_dims((cols - col_lo) * (row_hi - rows), -1)
         wd = np.expand_dims((cols - col_lo) * (rows - row_lo), -1)
 
-        return wa * Ia + wb * Ib + wc * Ic + wd * Id
+        return wa * Ia + wb * Ib + wc * Ic + wd * Id  # type: ignore
 
     nrows, ncols = img.shape[-3:-1]
     deltas = (0.5 / resize_rates[0], 0.5 / resize_rates[1])

foolbox/attacks/gradient_descent_base.py

@@ -132,7 +132,7 @@ def run(
             classes = criterion_.labels
         elif hasattr(criterion_, "target_classes"):
             gradient_step_sign = -1.0
-            classes = criterion_.target_classes  # type: ignore
+            classes = criterion_.target_classes
         else:
             raise ValueError("unsupported criterion")
 

foolbox/attacks/hop_skip_jump.py

@@ -328,7 +328,7 @@ def _binary_search(
         perturbed: ep.Tensor,
     ) -> ep.Tensor:
         # Choose upper thresholds in binary search based on constraint.
-        d = np.prod(perturbed.shape[1:])
+        d = int(np.prod(perturbed.shape[1:]))
         if self.constraint == "linf":
             highs = linf(originals, perturbed)
 
@@ -337,7 +337,7 @@ def _binary_search(
             thresholds = highs * self.gamma / (d * d)
         else:
             highs = ep.ones(perturbed, len(perturbed))
-            thresholds = self.gamma / (d * math.sqrt(d))
+            thresholds = highs * self.gamma / (d * math.sqrt(d))
 
         lows = ep.zeros_like(highs)
 
@@ -371,7 +371,7 @@ def select_delta(
         if step == 0:
             result = 0.1 * ep.ones_like(distances)
         else:
-            d = np.prod(originals.shape[1:])
+            d = int(np.prod(originals.shape[1:]))
 
             if self.constraint == "linf":
                 theta = self.gamma / (d * d)

foolbox/attacks/pointwise.py

@@ -105,9 +105,13 @@ def run(
             i = 0
             while i < max([len(it) for it in untouched_indices]):
                 # mask all samples that still have pixels to manipulate left
-                relevant_mask = [len(it) > i for it in untouched_indices]
-                relevant_mask = np.array(relevant_mask, dtype=bool)
-                relevant_mask_index = np.flatnonzero(relevant_mask)
+                relevant_mask_lst = [len(it) > i for it in untouched_indices]
+                relevant_mask: np.ndarray[Any, np.dtype[np.bool_]] = np.array(
+                    relevant_mask_lst, dtype=bool
+                )
+                relevant_mask_index: np.ndarray[
+                    Any, np.dtype[np.int_]
+                ] = np.flatnonzero(relevant_mask)
 
                 # for each image get the index of the next pixel we try out
                 relevant_indices = [it[i] for it in untouched_indices if len(it) > i]
@@ -160,8 +164,8 @@ def run(
                 i = 0
                 while i < max([len(it) for it in untouched_indices]):
                     # mask all samples that still have pixels to manipulate left
-                    relevant_mask = [len(it) > i for it in untouched_indices]
-                    relevant_mask = np.array(relevant_mask, dtype=bool)
+                    relevant_mask_lst = [len(it) > i for it in untouched_indices]
+                    relevant_mask = np.array(relevant_mask_lst, dtype=bool)
                     relevant_mask_index = np.flatnonzero(relevant_mask)
 
                     # for each image get the index of the next pixel we try out
@@ -227,8 +231,8 @@ def run(
     def _binary_search(
         self,
         x_adv_flat: ep.Tensor,
-        mask: Union[ep.Tensor, List[bool]],
-        mask_indices: ep.Tensor,
+        mask: Union[ep.Tensor, List[bool], np.ndarray[Any, np.dtype[np.bool_]]],
+        mask_indices: Union[ep.Tensor, np.ndarray[Any, np.dtype[np.int_]]],
         indices: Union[ep.Tensor, List[int]],
         adv_values: ep.Tensor,
         non_adv_values: ep.Tensor,

foolbox/attacks/spatial_attack_transformations.py

@@ -42,10 +42,10 @@ def transform_pt(
 
     # to pt
     x = x_e.raw
-    theta = torch.tensor(theta, device=x.device)
+    theta_t = torch.tensor(theta, device=x.device)
 
     assert len(x.shape) == 4
-    assert theta.shape[1:] == (2, 3)
+    assert theta_t.shape[1:] == (2, 3)
 
     (
         bs,
@@ -64,8 +64,8 @@ def create_meshgrid(x: torch.Tensor) -> torch.Tensor:
         return grid
 
     meshgrid = create_meshgrid(x)
-    theta = theta[:, None, None, :, :].repeat(1, n_x, n_y, 1, 1)
-    new_coords = torch.matmul(theta, meshgrid)
+    theta_t = theta_t[:, None, None, :, :].repeat(1, n_x, n_y, 1, 1)
+    new_coords = torch.matmul(theta_t, meshgrid)
     new_coords = new_coords.squeeze_(-1)
 
     # align_corners=True to match tf implementation

foolbox/plot.py

@@ -37,19 +37,19 @@ def images(
                 "expected data_format to be 'channels_first' or 'channels_last'"
             )
     assert channels_first != channels_last
-    x = x.numpy()
+    x_np = x.numpy()
     if channels_first:
-        x = np.transpose(x, axes=(0, 2, 3, 1))
+        x_np = np.transpose(x_np, axes=(0, 2, 3, 1))
     min_, max_ = bounds
-    x = (x - min_) / (max_ - min_)
+    x_np = (x_np - min_) / (max_ - min_)
 
     if nrows is None and ncols is None:
         nrows = 1
     if ncols is None:
         assert nrows is not None
-        ncols = (len(x) + nrows - 1) // nrows
+        ncols = (len(x_np) + nrows - 1) // nrows
     elif nrows is None:
-        nrows = (len(x) + ncols - 1) // ncols
+        nrows = (len(x_np) + ncols - 1) // ncols
     if figsize is None:
         figsize = (ncols * scale, nrows * scale)
     fig, axes = plt.subplots(
@@ -69,7 +69,7 @@ def images(
             ax.axis("off")
             i = row * ncols + col
             if i < len(x):
-                if x.shape[-1] == 1:
-                    ax.imshow(x[i][:, :, 0])
+                if x_np.shape[-1] == 1:
+                    ax.imshow(x_np[i][:, :, 0])
                 else:
-                    ax.imshow(x[i])
+                    ax.imshow(x_np[i])

foolbox/utils.py

@@ -28,10 +28,10 @@ def samples(
 ) -> Any:
     if hasattr(fmodel, "data_format"):
         if data_format is None:
-            data_format = fmodel.data_format  # type: ignore
-        elif data_format != fmodel.data_format:  # type: ignore
+            data_format = fmodel.data_format
+        elif data_format != fmodel.data_format:
             raise ValueError(
-                f"data_format ({data_format}) does not match model.data_format ({fmodel.data_format})"  # type: ignore
+                f"data_format ({data_format}) does not match model.data_format ({fmodel.data_format})"
             )
     elif data_format is None:
         raise ValueError(
@@ -50,9 +50,9 @@ def samples(
         bounds=bounds,
     )
 
-    if hasattr(fmodel, "dummy") and fmodel.dummy is not None:  # type: ignore
-        images = ep.from_numpy(fmodel.dummy, images).raw  # type: ignore
-        labels = ep.from_numpy(fmodel.dummy, labels).raw  # type: ignore
+    if hasattr(fmodel, "dummy") and fmodel.dummy is not None:
+        images = ep.from_numpy(fmodel.dummy, images).raw
+        labels = ep.from_numpy(fmodel.dummy, labels).raw
     else:
         warnings.warn(f"unknown model type {type(fmodel)}, returning NumPy arrays")
 

requirements.txt

@@ -1,9 +1,9 @@
-flake8==4.0.1
+flake8==6.1.0
 black==22.3.0
-pytest==7.1.1
+pytest==7.4.3
 pytest-cov==3.0.0
 coverage==6.3.2
-codecov==2.1.12
+codecov==2.1.13
 coveralls==3.3.1
-mypy==0.942
+mypy==1.6.1
 pre-commit==2.17.0

setup.cfg

@@ -5,7 +5,7 @@ max-complexity = 18
 select = B,C,E,F,W,T4,B9
 
 [mypy]
-python_version = 3.8
+python_version = 3.9
 warn_unused_ignores = True
 warn_unused_configs = True
 warn_return_any = True