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logger.py
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logger.py
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import os
import torch
import imageio
import json
from icecream import ic
import numpy as np
class Logger:
"""
Class Logger. An integration of tensorboard writer and icecream debug print, as well as other ostream utilities.
This class is to be declared globally. You must call set_logdir() method to set the log directory.
"""
def __init__(self, debug) -> None:
"""
Input:
- debug: bool.
"""
# Init parameters
self.logdir = '.'
self.debug = debug
# ic debug_print
self.debug_print = ic
self.debug_print.configureOutput(prefix="Debug | ", includeContext=True)
if debug:
self.debug_print.enable()
else:
self.debug_print.disable()
def info_print(self, info):
print(f"- {info}")
def set_logdir(self, basedir):
"""
Set the log directory.
----
Input:
- basedir: str. Path to directory.
"""
self.logdir = basedir
os.makedirs(self.logdir, exist_ok=True)
def set_mode(self, debug=True):
"""
Enable printing debug information.
"""
if debug:
self.debug_print.enable()
else:
self.debug_print.disable()
def _prepare_dir(self, path):
"""
Make directory if path contains a dir.
"""
prefix = os.path.dirname(path)
if prefix != '':
os.makedirs(os.path.join(self.logdir, prefix), exist_ok=True)
write_path = os.path.join(self.logdir, path)
return write_path
def save_ckpt(self, path, ckpt):
write_path = self._prepare_dir(path)
torch.save(ckpt, write_path)
if self.debug:
info = f"Save checkpoint to {write_path}"
self.debug_print(info)
def write_image(self, path, image):
"""
Write a numpy array image to designated path. Convert it to uint8 in the first place.
"""
write_path = self._prepare_dir(path)
if image.dtype == np.float32 or image.dtype == np.float64:
image = (image * 255).astype(np.uint8)
imageio.imwrite(write_path, image)
if self.debug:
info = f"Write image to {write_path}"
self.debug_print(info)
def write_dict2txt(self, path, dict_):
write_path = self._prepare_dir(path)
try:
dict_.pop('config')
except:
pass
try:
dict_.pop('train')
except:
pass
with open(write_path, 'w') as f:
for key, value in dict_.items():
f.write('%s = %s\n' % (key, value))
if self.debug:
info = f"Write txt file to {write_path}"
self.debug_print(info)
def write_dict2json(self, path, dict_):
write_path = self._prepare_dir(path)
with open(write_path, 'w') as f:
f.write(json.dumps(dict_, indent=4))
if self.debug:
info = f"Write json file to {write_path}"
self.debug_print(info)
logger = Logger(debug=True)
if __name__ == "__main__":
import numpy as np
test_image = (np.random.random(size=(800, 800, 3)) * 255).astype('uint8')
test_dict = {'Name' : "Alice",
'Age' : 21,
'Degree' : "Bachelor Cse",
'University' : "Northeastern Univ"}
logdir = 'log'
logger = Logger(debug=True)
logger.debug_print(test_dict)
logger.debug_print(test_image.shape)
logger.write_dict2txt('test_dict.txt', test_dict)
logger.write_dict2json('test_dict.json', test_dict)
logger.write_image('imgs/test_image.png', test_image)
logger.set_mode(debug=False)
logger.debug_print(test_dict)
logger.debug_print(test_image.shape)
logger.write_image('imgs/test_image.png', test_image)