Scope gitpyhon import in check_git_info() (#10221)

* Scope gitpyhon import in `check_git_info()`

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

classify/train.py

@@ -40,7 +40,7 @@
 from models.experimental import attempt_load
 from models.yolo import ClassificationModel, DetectionModel
 from utils.dataloaders import create_classification_dataloader
-from utils.general import (DATASETS_DIR, GIT, LOGGER, TQDM_BAR_FORMAT, WorkingDirectory, check_git_status,
+from utils.general import (DATASETS_DIR, LOGGER, TQDM_BAR_FORMAT, WorkingDirectory, check_git_info, check_git_status,
                            check_requirements, colorstr, download, increment_path, init_seeds, print_args, yaml_save)
 from utils.loggers import GenericLogger
 from utils.plots import imshow_cls
@@ -50,6 +50,7 @@
 LOCAL_RANK = int(os.getenv('LOCAL_RANK', -1))  # https://pytorch.org/docs/stable/elastic/run.html
 RANK = int(os.getenv('RANK', -1))
 WORLD_SIZE = int(os.getenv('WORLD_SIZE', 1))
+GIT_INFO = check_git_info()
 
 
 def train(opt, device):
@@ -237,7 +238,7 @@ def train(opt, device):
                     'updates': ema.updates,
                     'optimizer': None,  # optimizer.state_dict(),
                     'opt': vars(opt),
-                    'git': GIT,  # {remote, branch, commit} if a git repo
+                    'git': GIT_INFO,  # {remote, branch, commit} if a git repo
                     'date': datetime.now().isoformat()}
 
                 # Save last, best and delete

segment/train.py

@@ -46,9 +46,9 @@
 from utils.autobatch import check_train_batch_size
 from utils.callbacks import Callbacks
 from utils.downloads import attempt_download, is_url
-from utils.general import (GIT, LOGGER, TQDM_BAR_FORMAT, check_amp, check_dataset, check_file, check_git_status,
-                           check_img_size, check_requirements, check_suffix, check_yaml, colorstr, get_latest_run,
-                           increment_path, init_seeds, intersect_dicts, labels_to_class_weights,
+from utils.general import (LOGGER, TQDM_BAR_FORMAT, check_amp, check_dataset, check_file, check_git_info,
+                           check_git_status, check_img_size, check_requirements, check_suffix, check_yaml, colorstr,
+                           get_latest_run, increment_path, init_seeds, intersect_dicts, labels_to_class_weights,
                            labels_to_image_weights, one_cycle, print_args, print_mutation, strip_optimizer, yaml_save)
 from utils.loggers import GenericLogger
 from utils.plots import plot_evolve, plot_labels
@@ -62,6 +62,7 @@
 LOCAL_RANK = int(os.getenv('LOCAL_RANK', -1))  # https://pytorch.org/docs/stable/elastic/run.html
 RANK = int(os.getenv('RANK', -1))
 WORLD_SIZE = int(os.getenv('WORLD_SIZE', 1))
+GIT_INFO = check_git_info()
 
 
 def train(hyp, opt, device, callbacks):  # hyp is path/to/hyp.yaml or hyp dictionary
@@ -390,7 +391,7 @@ def train(hyp, opt, device, callbacks):  # hyp is path/to/hyp.yaml or hyp dictio
                     'updates': ema.updates,
                     'optimizer': optimizer.state_dict(),
                     'opt': vars(opt),
-                    'git': GIT,  # {remote, branch, commit} if a git repo
+                    'git': GIT_INFO,  # {remote, branch, commit} if a git repo
                     'date': datetime.now().isoformat()}
 
                 # Save last, best and delete

train.py

@@ -47,9 +47,9 @@
 from utils.callbacks import Callbacks
 from utils.dataloaders import create_dataloader
 from utils.downloads import attempt_download, is_url
-from utils.general import (GIT, LOGGER, TQDM_BAR_FORMAT, check_amp, check_dataset, check_file, check_git_status,
-                           check_img_size, check_requirements, check_suffix, check_yaml, colorstr, get_latest_run,
-                           increment_path, init_seeds, intersect_dicts, labels_to_class_weights,
+from utils.general import (LOGGER, TQDM_BAR_FORMAT, check_amp, check_dataset, check_file, check_git_info,
+                           check_git_status, check_img_size, check_requirements, check_suffix, check_yaml, colorstr,
+                           get_latest_run, increment_path, init_seeds, intersect_dicts, labels_to_class_weights,
                            labels_to_image_weights, methods, one_cycle, print_args, print_mutation, strip_optimizer,
                            yaml_save)
 from utils.loggers import Loggers
@@ -63,6 +63,7 @@
 LOCAL_RANK = int(os.getenv('LOCAL_RANK', -1))  # https://pytorch.org/docs/stable/elastic/run.html
 RANK = int(os.getenv('RANK', -1))
 WORLD_SIZE = int(os.getenv('WORLD_SIZE', 1))
+GIT_INFO = check_git_info()
 
 
 def train(hyp, opt, device, callbacks):  # hyp is path/to/hyp.yaml or hyp dictionary
@@ -376,7 +377,7 @@ def train(hyp, opt, device, callbacks):  # hyp is path/to/hyp.yaml or hyp dictio
                     'updates': ema.updates,
                     'optimizer': optimizer.state_dict(),
                     'opt': vars(opt),
-                    'git': GIT,  # {remote, branch, commit} if a git repo
+                    'git': GIT_INFO,  # {remote, branch, commit} if a git repo
                     'date': datetime.now().isoformat()}
 
                 # Save last, best and delete

utils/general.py

@@ -13,7 +13,6 @@
 import platform
 import random
 import re
-import shutil
 import signal
 import sys
 import time
@@ -29,7 +28,6 @@
 from zipfile import ZipFile, is_zipfile
 
 import cv2
-import git
 import IPython
 import numpy as np
 import pandas as pd
@@ -346,8 +344,10 @@ def check_git_status(repo='ultralytics/yolov5', branch='master'):
 
 
 @WorkingDirectory(ROOT)
-def check_git(path='.'):
-    # YOLOv5 git check, return git {remote, branch, commit}
+def check_git_info(path='.'):
+    # YOLOv5 git info check, return {remote, branch, commit}
+    check_requirements('gitpython')
+    import git
     try:
         repo = git.Repo(path)
         remote = repo.remotes.origin.url.replace('.git', '')  # i.e. 'https://github.com/ultralytics/yolov5'
@@ -1138,4 +1138,3 @@ def imshow(path, im):
 cv2.imread, cv2.imwrite, cv2.imshow = imread, imwrite, imshow  # redefine
 
 # Variables ------------------------------------------------------------------------------------------------------------
-GIT = check_git()  # repo, branch, commit