Replaying
FolderReplayer
Source code in mbodied/data/replaying.py
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__init__(path)
Initialize the FolderReplayer class with the given path.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
path
|
str
|
Path to the folder containing HDF5 files. |
required |
Source code in mbodied/data/replaying.py
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__iter__()
Iterate through the HDF5 files in the folder.
Source code in mbodied/data/replaying.py
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Replayer
Replays datasets recorded by Recorder.
This class provides methods to read, process, and analyze HDF5 files recorded by the Recorder class.
Example
replayer = Replayer("data.h5") for sample in replayer: observation, action, state = sample ...
Source code in mbodied/data/replaying.py
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__init__(path, file_keys=None, image_keys_to_save=None)
Initialize the Replayer class with the given parameters.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
path
|
str
|
Path to the HDF5 file. |
required |
file_keys
|
List[str]
|
List of keys in the file. Defaults to None. |
None
|
image_keys_to_save
|
List[str]
|
List of image keys to save. Defaults to None. |
None
|
Source code in mbodied/data/replaying.py
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__iter__()
Iterate over the HDF5 file.
Source code in mbodied/data/replaying.py
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__next__()
Get the next sample from the HDF5 file.
Returns:
Type | Description |
---|---|
Tuple[dict, ...]
|
Tuple[dict, ...]: Tuple of dictionaries containing the sample data. |
Source code in mbodied/data/replaying.py
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close()
Close the HDF5 file.
Source code in mbodied/data/replaying.py
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get_frames_path()
Get the path to the frames directory.
Source code in mbodied/data/replaying.py
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get_stats(key='', prefix='')
Get statistics for a given key in the HDF5 file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
key
|
str
|
Key in the HDF5 file. Defaults to ''. |
''
|
prefix
|
str
|
Prefix for the key. Defaults to ''. |
''
|
Returns:
Name | Type | Description |
---|---|---|
dict |
dict
|
Statistics for the given key. |
Source code in mbodied/data/replaying.py
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get_structure(key='', prefix='')
Get the structure of the HDF5 file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
key
|
str
|
Key in the HDF5 file. Defaults to ''. |
''
|
prefix
|
str
|
Prefix for the key. Defaults to ''. |
''
|
Returns:
Name | Type | Description |
---|---|---|
dict |
dict
|
Structure of the HDF5 file. |
Source code in mbodied/data/replaying.py
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get_unique_items(key)
Get unique items for a given key.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
key
|
str
|
Key in the HDF5 file. |
required |
Returns:
Type | Description |
---|---|
List[str]
|
List[str]: List of unique items. |
Source code in mbodied/data/replaying.py
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pack()
Pack all samples into a Sample object with attributes being lists of samples.
Returns:
Name | Type | Description |
---|---|---|
Sample |
Sample
|
Sample object containing all samples. |
Source code in mbodied/data/replaying.py
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pack_one(index)
Pack a single sample into a Sample object.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
index
|
int
|
Index of the sample. |
required |
Returns:
Name | Type | Description |
---|---|---|
Sample |
Sample
|
Sample object. |
Source code in mbodied/data/replaying.py
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read_sample(index)
Read a sample from the HDF5 file at a given index.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
index
|
int
|
Index of the sample. |
required |
Returns:
Type | Description |
---|---|
Tuple[dict, ...]
|
Tuple[dict, ...]: Tuple of dictionaries containing the sample data. |
Source code in mbodied/data/replaying.py
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recursive_do(do, key='', prefix='', **kwargs)
Recursively perform a function on each key in the HDF5 file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
do
|
Callable
|
Function to perform. |
required |
key
|
str
|
Key in the HDF5 file. Defaults to ''. |
''
|
prefix
|
str
|
Prefix for the key. Defaults to ''. |
''
|
**kwargs
|
Additional arguments to pass to the function. |
{}
|
Returns:
Name | Type | Description |
---|---|---|
Any |
Any
|
Result of the function. |
Source code in mbodied/data/replaying.py
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sample(index=None, n=1)
Get a sample from the HDF5 file.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
index
|
Optional[Union[int, slice]]
|
Index or slice of the sample. Defaults to None. |
None
|
n
|
int
|
Number of samples to get. Defaults to 1. |
1
|
Returns:
Name | Type | Description |
---|---|---|
Sample |
Sample
|
Sample object. |
Source code in mbodied/data/replaying.py
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clean_folder(folder, image_keys_to_save)
Clean the folder by iterating through the files and asking for deletion.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
folder
|
str
|
Path to the folder. |
required |
image_keys_to_save
|
List[str]
|
List of image keys to save. |
required |
Source code in mbodied/data/replaying.py
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parse_slice(s)
Parse a string to an integer or slice.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
s
|
str
|
String to parse. |
required |
Returns:
Type | Description |
---|---|
int | slice
|
Union[int, slice]: Integer or slice. |
Examples:
>>> lst = [0, 1, 2, 3, 4, 5]
>>> lst[parse_slice("1")]
1
>>> lst[parse_slice("1:5:2")]
[1, 3]
Source code in mbodied/data/replaying.py
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replay(path, image_keys_to_save, stats, unique, keys, show, clean, upload_name)
Replay command for processing HDF5 files.
This command provides various options to manipulate and analyze HDF5 files including cleaning, uploading, showing samples, and generating statistics or extracting unique items based on provided keys.
Source code in mbodied/data/replaying.py
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to_dataset(folder, name, description=None, **kwargs)
Convert the folder of HDF5 files to a Hugging Face dataset.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
folder
|
str
|
Path to the folder containing HDF5 files. |
required |
name
|
str
|
Name of the dataset. |
required |
description
|
str
|
Description of the dataset. Defaults to None. |
None
|
**kwargs
|
Additional arguments to pass to the Dataset.push_to_hub method. |
{}
|
Source code in mbodied/data/replaying.py
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