[Doc] Solve ref issues in docstrings

.github/workflows/docs.yml

@@ -112,7 +112,7 @@ jobs:
         cd ./docs
         # timeout 7m bash -ic "MUJOCO_GL=egl sphinx-build ./source _local_build" || code=$?; if [[ $code -ne 124 && $code -ne 0 ]]; then exit $code; fi
         # bash -ic "PYOPENGL_PLATFORM=egl MUJOCO_GL=egl sphinx-build ./source _local_build" || code=$?; if [[ $code -ne 124 && $code -ne 0 ]]; then exit $code; fi
-        PYOPENGL_PLATFORM=egl MUJOCO_GL=egl TORCHRL_CONSOLE_STREAM=stdout sphinx-build ./source _local_build
+        PYOPENGL_PLATFORM=egl MUJOCO_GL=egl TORCHRL_CONSOLE_STREAM=stdout sphinx-build ./source _local_build -v
         cd ..
 
         cp -r docs/_local_build/* "${RUNNER_ARTIFACT_DIR}"

docs/source/content_generation.py

@@ -83,6 +83,10 @@ def generate_tutorial_references(tutorial_path: str, file_type: str) -> None:
         for f in os.listdir(tutorial_path)
         if f.endswith((".py", ".rst", ".png"))
     ]
+    # Make rb_tutorial.py the first one
+    file_paths = [p for p in file_paths if p.endswith("rb_tutorial.py")] + [
+        p for p in file_paths if not p.endswith("rb_tutorial.py")
+    ]
 
     for file_path in file_paths:
         shutil.copyfile(file_path, os.path.join(target_path, Path(file_path).name))

docs/source/reference/envs.rst

@@ -212,6 +212,7 @@ component (sub-environments or agents) should be reset.
 This allows to reset some but not all of the components.
 
 The ``"_reset"`` key has two distinct functionalities:
+
 1. During a call to :meth:`~.EnvBase._reset`, the ``"_reset"`` key may or may
    not be present in the input tensordict. TorchRL's convention is that the
    absence of the ``"_reset"`` key at a given ``"done"`` level indicates
@@ -899,7 +900,7 @@ to be able to create this other composition:
     Hash
     InitTracker
     KLRewardTransform
-    LineariseReward
+    LineariseRewards
     NoopResetEnv
     ObservationNorm
     ObservationTransform

torchrl/_utils.py

@@ -513,7 +513,7 @@ def reset(cls, setters_dict: Dict[str, implement_for] = None):
         """Resets the setters in setter_dict.
 
         ``setter_dict`` is a copy of implementations. We just need to iterate through its
-        values and call :meth:`~.module_set` for each.
+        values and call :meth:`module_set` for each.
 
         """
         if VERBOSE:
@@ -888,7 +888,7 @@ def _standardize(
         exclude_dims (Tuple[int]): dimensions to exclude from the statistics, can be negative. Default: ().
         mean (Tensor): a mean to be used for standardization. Must be of shape broadcastable to input. Default: None.
         std (Tensor): a standard deviation to be used for standardization. Must be of shape broadcastable to input. Default: None.
-        eps (float): epsilon to be used for numerical stability. Default: float32 resolution.
+        eps (:obj:`float`): epsilon to be used for numerical stability. Default: float32 resolution.
 
     """
     if eps is None:

torchrl/collectors/collectors.py

@@ -339,10 +339,12 @@ class SyncDataCollector(DataCollectorBase):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:
@@ -1462,6 +1464,7 @@ class _MultiDataCollector(DataCollectorBase):
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such:
               ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
@@ -1548,7 +1551,7 @@ class _MultiDataCollector(DataCollectorBase):
         reset_when_done (bool, optional): if ``True`` (default), an environment
             that return a ``True`` value in its ``"done"`` or ``"truncated"``
             entry will be reset at the corresponding indices.
-        update_at_each_batch (boolm optional): if ``True``, :meth:`~.update_policy_weight_()`
+        update_at_each_batch (boolm optional): if ``True``, :meth:`update_policy_weight_()`
             will be called before (sync) or after (async) each data collection.
             Defaults to ``False``.
         preemptive_threshold (:obj:`float`, optional): a value between 0.0 and 1.0 that specifies the ratio of workers
@@ -2774,10 +2777,12 @@ class aSyncDataCollector(MultiaSyncDataCollector):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:
@@ -2863,7 +2868,7 @@ class aSyncDataCollector(MultiaSyncDataCollector):
         reset_when_done (bool, optional): if ``True`` (default), an environment
             that return a ``True`` value in its ``"done"`` or ``"truncated"``
             entry will be reset at the corresponding indices.
-        update_at_each_batch (boolm optional): if ``True``, :meth:`~.update_policy_weight_()`
+        update_at_each_batch (boolm optional): if ``True``, :meth:`update_policy_weight_()`
             will be called before (sync) or after (async) each data collection.
             Defaults to ``False``.
         preemptive_threshold (:obj:`float`, optional): a value between 0.0 and 1.0 that specifies the ratio of workers

torchrl/collectors/distributed/generic.py

@@ -262,10 +262,12 @@ class DistributedDataCollector(DataCollectorBase):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:
@@ -341,7 +343,7 @@ class DistributedDataCollector(DataCollectorBase):
             collecting data. Must be one of ``torchrl.envs.utils.ExplorationType.DETERMINISTIC``,
             ``torchrl.envs.utils.ExplorationType.RANDOM``, ``torchrl.envs.utils.ExplorationType.MODE``
             or ``torchrl.envs.utils.ExplorationType.MEAN``.
-        collector_class (type or str, optional): a collector class for the remote node. Can be
+        collector_class (Type or str, optional): a collector class for the remote node. Can be
             :class:`~torchrl.collectors.SyncDataCollector`,
             :class:`~torchrl.collectors.MultiSyncDataCollector`,
             :class:`~torchrl.collectors.MultiaSyncDataCollector`

torchrl/collectors/distributed/ray.py

@@ -135,10 +135,12 @@ class RayCollector(DataCollectorBase):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:

torchrl/collectors/distributed/rpc.py

@@ -110,10 +110,12 @@ class RPCDataCollector(DataCollectorBase):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:
@@ -190,7 +192,7 @@ class RPCDataCollector(DataCollectorBase):
             ``torchrl.envs.utils.ExplorationType.RANDOM``, ``torchrl.envs.utils.ExplorationType.MODE``
             or ``torchrl.envs.utils.ExplorationType.MEAN``.
             Defaults to ``torchrl.envs.utils.ExplorationType.RANDOM``.
-        collector_class (type or str, optional): a collector class for the remote node. Can be
+        collector_class (Type or str, optional): a collector class for the remote node. Can be
             :class:`~torchrl.collectors.SyncDataCollector`,
             :class:`~torchrl.collectors.MultiSyncDataCollector`,
             :class:`~torchrl.collectors.MultiaSyncDataCollector`

torchrl/collectors/distributed/sync.py

@@ -143,10 +143,12 @@ class DistributedSyncDataCollector(DataCollectorBase):
             instances) it will be wrapped in a `nn.Module` first.
             Then, the collector will try to assess if these
             modules require wrapping in a :class:`~tensordict.nn.TensorDictModule` or not.
+
             - If the policy forward signature matches any of ``forward(self, tensordict)``,
               ``forward(self, td)`` or ``forward(self, <anything>: TensorDictBase)`` (or
               any typing with a single argument typed as a subclass of ``TensorDictBase``)
               then the policy won't be wrapped in a :class:`~tensordict.nn.TensorDictModule`.
+
             - In all other cases an attempt to wrap it will be undergone as such: ``TensorDictModule(policy, in_keys=env_obs_key, out_keys=env.action_keys)``.
 
     Keyword Args:
@@ -222,7 +224,7 @@ class DistributedSyncDataCollector(DataCollectorBase):
             collecting data. Must be one of ``torchrl.envs.utils.ExplorationType.DETERMINISTIC``,
             ``torchrl.envs.utils.ExplorationType.RANDOM``, ``torchrl.envs.utils.ExplorationType.MODE``
             or ``torchrl.envs.utils.ExplorationType.MEAN``.
-        collector_class (type or str, optional): a collector class for the remote node. Can be
+        collector_class (Type or str, optional): a collector class for the remote node. Can be
             :class:`~torchrl.collectors.SyncDataCollector`,
             :class:`~torchrl.collectors.MultiSyncDataCollector`,
             :class:`~torchrl.collectors.MultiaSyncDataCollector`

torchrl/data/datasets/common.py

@@ -72,7 +72,7 @@ def preprocess(
 
         Args and Keyword Args are forwarded to :meth:`~tensordict.TensorDictBase.map`.
 
-        The dataset can subsequently be deleted using :meth:`~.delete`.
+        The dataset can subsequently be deleted using :meth:`delete`.
 
         Keyword Args:
             dest (path or equivalent): a path to the location of the new dataset.

torchrl/data/datasets/openx.py

@@ -66,7 +66,7 @@ class for more information on how to interact with non-tensor data
             sampling strategy.
             If the ``batch_size`` is ``None`` (default), iterating over the
             dataset will deliver trajectories one at a time *whereas* calling
-            :meth:`~.sample` will *still* require a batch-size to be provided.
+            :meth:`sample` will *still* require a batch-size to be provided.
 
     Keyword Args:
         shuffle (bool, optional): if ``True``, trajectories are delivered in a
@@ -115,7 +115,7 @@ class for more information on how to interact with non-tensor data
         replacement (bool, optional): if ``False``, sampling will be done
             without replacement. Defaults to ``True`` for downloaded datasets,
             ``False`` for streamed datasets.
-        pad (bool, float or None): if ``True``, trajectories of insufficient length
+        pad (bool, :obj:`float` or None): if ``True``, trajectories of insufficient length
             given the `slice_len` or `num_slices` arguments will be padded with
             0s. If another value is provided, it will be used for padding. If
             ``False`` or ``None`` (default) any encounter with a trajectory of

torchrl/data/map/tdstorage.py

@@ -193,7 +193,7 @@ def from_tensordict_pair(
                 in the storage. Defaults to ``None`` (all keys are registered).
             max_size (int, optional): the maximum number of elements in the storage. Ignored if the
                 ``storage_constructor`` is passed. Defaults to ``1000``.
-            storage_constructor (type, optional): a type of tensor storage.
+            storage_constructor (Type, optional): a type of tensor storage.
                 Defaults to :class:`~tensordict.nn.storage.LazyDynamicStorage`.
                 Other options include :class:`~tensordict.nn.storage.FixedStorage`.
             hash_module (Callable, optional): a hash function to use in the :class:`~torchrl.data.map.QueryModule`.

torchrl/data/map/tree.py

@@ -50,7 +50,7 @@ class Tree(TensorClass["nocast"]):
         node_id (int): A unique identifier for this node.
         rollout (TensorDict): Rollout data following the observation encoded in this node, in a TED format.
             If there are multiple actions taken at this node, subtrees are stored in the corresponding
-            entry. Rollouts can be reconstructed using the :meth:`~.rollout_from_path` method.
+            entry. Rollouts can be reconstructed using the :meth:`rollout_from_path` method.
         node (TensorDict): Data defining this node (e.g., observations) before the next branching.
             Entries usually matches the ``in_keys`` in ``MCTSForest.node_map``.
         subtree (Tree): A stack of subtrees produced when actions are taken.
@@ -215,7 +215,7 @@ def node_observation(self) -> torch.Tensor | TensorDictBase:
         """Returns the observation associated with this particular node.
 
         This is the observation (or bag of observations) that defines the node before a branching occurs.
-        If the node contains a :attr:`~.rollout` attribute, the node observation is typically identical to the
+        If the node contains a :meth:`rollout` attribute, the node observation is typically identical to the
         observation resulting from the last action undertaken, i.e., ``node.rollout[..., -1]["next", "observation"]``.
 
         If more than one observation key is associated with the tree specs, a :class:`~tensordict.TensorDict` instance
@@ -232,7 +232,7 @@ def node_observations(self) -> torch.Tensor | TensorDictBase:
         """Returns the observations associated with this particular node in a TensorDict format.
 
         This is the observation (or bag of observations) that defines the node before a branching occurs.
-        If the node contains a :attr:`~.rollout` attribute, the node observation is typically identical to the
+        If the node contains a :meth:`rollout` attribute, the node observation is typically identical to the
         observation resulting from the last action undertaken, i.e., ``node.rollout[..., -1]["next", "observation"]``.
 
         If more than one observation key is associated with the tree specs, a :class:`~tensordict.TensorDict` instance
@@ -442,8 +442,11 @@ def num_vertices(self, *, count_repeat: bool = False) -> int:
         """Returns the number of unique vertices in the Tree.
 
         Keyword Args:
-            count_repeat (bool, optional): Determines whether to count repeated vertices.
+            count_repeat (bool, optional): Determines whether to count repeated
+                vertices.
+
                 - If ``False``, counts each unique vertex only once.
+
                 - If ``True``, counts vertices multiple times if they appear in different paths.
                 Defaults to ``False``.
 
@@ -629,16 +632,16 @@ class MCTSForest:
             ``node_map.max_size``. If none of these are provided, defaults to `1000`.
         done_keys (list of NestedKey, optional): the done keys of the environment. If not provided,
             defaults to ``("done", "terminated", "truncated")``.
-            The :meth:`~.get_keys_from_env` can be used to automatically determine the keys.
+            The :meth:`get_keys_from_env` can be used to automatically determine the keys.
         action_keys (list of NestedKey, optional): the action keys of the environment. If not provided,
             defaults to ``("action",)``.
-            The :meth:`~.get_keys_from_env` can be used to automatically determine the keys.
+            The :meth:`get_keys_from_env` can be used to automatically determine the keys.
         reward_keys (list of NestedKey, optional): the reward keys of the environment. If not provided,
             defaults to ``("reward",)``.
-            The :meth:`~.get_keys_from_env` can be used to automatically determine the keys.
+            The :meth:`get_keys_from_env` can be used to automatically determine the keys.
         observation_keys (list of NestedKey, optional): the observation keys of the environment. If not provided,
             defaults to ``("observation",)``.
-            The :meth:`~.get_keys_from_env` can be used to automatically determine the keys.
+            The :meth:`get_keys_from_env` can be used to automatically determine the keys.
         excluded_keys (list of NestedKey, optional): a list of keys to exclude from the data storage.
         consolidated (bool, optional): if ``True``, the data_map storage will be consolidated on disk.
             Defaults to ``False``.

torchrl/data/postprocs/postprocs.py

@@ -182,6 +182,7 @@ def forward(self, tensordict: TensorDictBase) -> TensorDictBase:
                   environment (i.e. before multi-step);
                 - The "reward" values will be replaced by the newly computed
                   rewards.
+
                 The ``"done"`` key can have either the shape of the tensordict
                 OR the shape of the tensordict followed by a singleton
                 dimension OR the shape of the tensordict followed by other