Add files via upload

Author: 1038lab

sam3/__init__.py

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+# Copyright (c) Meta Platforms, Inc. and affiliates. All Rights Reserved
+
+from .model_builder import build_sam3_image_model
+
+__version__ = "0.1.0"
+
+__all__ = ["build_sam3_image_model"]

sam3/logger.py

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+# Copyright (c) Meta Platforms, Inc. and affiliates. All Rights Reserved
+import logging
+import os
+
+LOG_LEVELS = {
+    "DEBUG": logging.DEBUG,
+    "INFO": logging.INFO,
+    "WARNING": logging.WARNING,
+    "ERROR": logging.ERROR,
+    "CRITICAL": logging.CRITICAL,
+}
+
+
+class ColoredFormatter(logging.Formatter):
+    """A command line formatter with different colors for each level."""
+
+    def __init__(self):
+        super().__init__()
+        reset = "\033[0m"
+        colors = {
+            logging.DEBUG: f"{reset}\033[36m",  # cyan,
+            logging.INFO: f"{reset}\033[32m",  # green
+            logging.WARNING: f"{reset}\033[33m",  # yellow
+            logging.ERROR: f"{reset}\033[31m",  # red
+            logging.CRITICAL: f"{reset}\033[35m",  # magenta
+        }
+        fmt_str = "{color}%(levelname)s %(asctime)s %(process)d %(filename)s:%(lineno)4d:{reset} %(message)s"
+        self.formatters = {
+            level: logging.Formatter(fmt_str.format(color=color, reset=reset))
+            for level, color in colors.items()
+        }
+        self.default_formatter = self.formatters[logging.INFO]
+
+    def format(self, record):
+        formatter = self.formatters.get(record.levelno, self.default_formatter)
+        return formatter.format(record)
+
+
+def get_logger(name, level=logging.INFO):
+    """A command line logger."""
+    if "LOG_LEVEL" in os.environ:
+        level = os.environ["LOG_LEVEL"].upper()
+        assert (
+            level in LOG_LEVELS
+        ), f"Invalid LOG_LEVEL: {level}, must be one of {list(LOG_LEVELS.keys())}"
+        level = LOG_LEVELS[level]
+    logger = logging.getLogger(name)
+    logger.setLevel(level)
+    logger.propagate = False
+    ch = logging.StreamHandler()
+    ch.setLevel(level)
+    ch.setFormatter(ColoredFormatter())
+    logger.addHandler(ch)
+    return logger