From 437ba4e22b2dad2ca309085a2e97f33dd03eb642 Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Mon, 5 Jul 2021 00:21:43 +0200
Subject: Working on new hydra implementation

---
 training/utils.py | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 training/utils.py

(limited to 'training/utils.py')

diff --git a/training/utils.py b/training/utils.py
new file mode 100644
index 0000000..7717fc5
--- /dev/null
+++ b/training/utils.py
@@ -0,0 +1,56 @@
+"""Util functions for training hydra configs and pytorch lightning."""
+import warnings
+
+from omegaconf import DictConfig, OmegaConf
+import loguru.logger as log
+from pytorch_lightning.loggers.wandb import WandbLogger
+from pytorch_lightning.utilities import rank_zero_only
+from tqdm import tqdm
+
+
+@rank_zero_only
+def configure_logging(level: str) -> None:
+    """Configure the loguru logger for output to terminal and disk."""
+    # Remove default logger to get tqdm to work properly.
+    log.remove()
+    log.add(lambda msg: tqdm.write(msg, end=""), colorize=True, level=level)
+
+
+def extras(config: DictConfig) -> None:
+    """Sets optional utilities."""
+    # Enable adding new keys.
+    OmegaConf.set_struct(config, False)
+
+    if config.get("ignore_warnings"):
+        log.info("Disabling python warnings! <config.ignore_warnings=True>")
+        warnings.filterwarnings("ignore")
+
+    if config.get("debug"):
+        log.info("Running in debug mode! <config.debug=True>")
+        config.trainer.fast_dev_run = True
+
+    if config.trainer.get("fast_dev_run"):
+        log.info(
+            "Forcing debugger friendly configuration! <config.trainer.fast_dev_run=True>"
+        )
+        # Debuggers do not like GPUs and multiprocessing.
+        if config.trainer.get("gpus"):
+            config.trainer.gpus = 0
+        if config.datamodule.get("pin_memory"):
+            config.datamodule.pin_memory = False
+        if config.datamodule.get("num_workers"):
+            config.datamodule.num_workers = 0
+
+    # Force multi-gpu friendly config.
+    accelerator = config.trainer.get("accelerator")
+    if accelerator in ["ddp", "ddp_spawn", "dp", "ddp2"]:
+        log.info(
+            f"Forcing ddp friendly configuration! <config.trainer.accelerator={accelerator}>"
+        )
+        if config.datamodule.get("pin_memory"):
+            config.datamodule.pin_memory = False
+        if config.datamodule.get("num_workers"):
+            config.datamodule.num_workers = 0
+
+    # Disable adding new keys to config
+    OmegaConf.set_struct(config, True)
-- 
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