Questions about Hydra, an open source Python framework by Facebook
Questions tagged [fb-hydra]
182 questions
4
votes
1 answer
MLFlow and Hydra causing crash when used together
I'm trying to utilize Hydra with MLFlow, so I wrote the bare minimum script to see if they worked together (importing etc.). Both work fine on their own, but when put together I get a weird outcome.
I have the script below:
import hydra
from…
Ilknur Mustafa
- 301
- 2
- 11
3
votes
2 answers
Hydra: How to express None in config files?
I have a very simple Python script:
import hydra
from omegaconf import DictConfig, OmegaConf
@hydra.main(version_base="1.3", config_path=".", config_name="config")
def main(cfg: DictConfig) -> None:
if cfg.benchmarking.seed_number is None:
…
Hermi
- 350
- 2
- 5
- 16
3
votes
1 answer
Hydra install on python 3.10 fails due to VS build tools
I'm trying to install Hydra 2.5 on a Windows 10 system. I have Visual Studio Build Tools 2022 installed with the desktop C++ development option. When I use pip I get the error attached below. I've tried it with both python 3.10 and 3.9. I've tried a…
NatePhysics
- 103
- 2
- 7
3
votes
1 answer
command line args with `hydra`
The standard mantra to pass a configuration to hydra is to decorate with @hydra.main then to define your main(cfg), and then in the main block call main with no arguments. But suppose I want to also accept non-hydra command line args, so want to…
Igor Rivin
- 4,632
- 2
- 23
- 35
3
votes
1 answer
Hydra: Referring to a config group option in the parent directory
I can't find a way to load config group options from parent directories in hydra.
E.g. here I want to load the config group option from datamodule/wikipedia1m.yaml from variant/default.yaml but it does not give what I expected.
Here are my hydra…
Louis M
- 4,036
- 4
- 21
- 25
3
votes
1 answer
Referring to Hydra's `conf` directory from a Python sub/sub-sub-directory module
Suppose that we have a Python project with this structure:
hydra_config
├── conf
│ ├── api_key
│ │ ├── non_prod.yaml
│ │ └── prod.yaml
│ └── db
│ ├── mysql.yaml
│ └── postgresql.yaml
├── modules
│ └── module.py
└──…
blue2609
- 841
- 2
- 10
- 25
3
votes
1 answer
Using Typer and Hydra together
I have a simple Typer application:
import typer
app = typer.Typer()
@app.command()
def say_hi():
print("Hi")
@app.callback()
def main():
pass
if __name__ == "__main__":
app()
I would like to use Hydra for the configuration…
Gabio
- 9,126
- 3
- 12
- 32
3
votes
2 answers
How to pass dictionary elements from hydra config file
I am trying to instantiate objects with hydra, I have a class torchio.transforms.RemapLabels that I am using in my config file:
_target_: torchio.transforms.RemapLabels
The problem is that torchio.transforms.RemapLabels takes dictionary elements as…
pete2213
- 69
- 2
- 7
3
votes
1 answer
Interpolation in Hydra's defaults list cause and error
This is the files directory:
|-configs
|----data_conf
|--------csv_images.csv
|--------tf_ds.csv
|----example.yaml
and example.yaml is:
data: csv_images
defaults:
- data_conf: "${data}"
and csv_images.yaml:
# @package _group_
a: test_a
b:…
Alex Goft
- 360
- 3
- 12
3
votes
2 answers
Disable file output of hydra
I'm using hydra to log hyperparameters of experiments.
@hydra.main(config_name="config", config_path="../conf")
def evaluate_experiment(cfg: DictConfig) -> None:
print(OmegaConf.to_yaml(cfg))
...
Sometimes I want to do a dry run to check…
kielnino
- 160
- 1
- 7
3
votes
3 answers
How to gather config files in a list with Hydra-fb?
Say I have an abstract class db in my code and classes db1, db1, ... db1 that inherit from db.
My project uses hydra and has this structure:
├── my_app.py
├── conf.yaml
└── db
├── db1.yaml
├── db2.yaml
└── db3.yaml
I need a list of db…
dallonsi
- 1,299
- 1
- 8
- 29
3
votes
1 answer
How to pass a Hydra config via command line
There's already a related question, however the proposed Compose API no longer supports passing a config as an argument by Hydra 0.11.3.
I'm wondering if there is a way to pass the config via command line or whether this functionality is disabled in…
Casey
- 43
- 1
- 4
3
votes
1 answer
How can I use OmegaConf custom interpolation with Hydra
How can I use OmegaConf custom interpolation with Hydra?
Some background:
One can define a custom interpolation for square root:
from omegaconf import OmegaConf
import math
OmegaConf.register_resolver("sqrt", lambda x: math.sqrt(float(x)))
And use…
anthonytec2
- 49
- 1
- 2
2
votes
0 answers
Hydra: disable permutation of few hyperparameters
I am trying to do a basic hyperparameter tuning. By default Hydra creates a permutation of each hyperparameter.
hydra:
mode: MULTIRUN
sweeper:
params:
+n: 5,10,15
+a_lower: 0.5, 0.7, 0.9
Here it will run the same…
Wonder HD
- 21
- 2
2
votes
2 answers
Is there any way to log 'git hash' in hydra?
I want to control version of experiment configuration files with hydra and dvc without uploading original config files to git.
Hydra does control config, and dvc controls version. But Hydra does not specify which 'code version' is needed to…
이준혁
- 267
- 4
- 14