Move main function from app.py to main.py

labelme/app.py

-import argparse
-import codecs
 import functools
 import os.path
 import re
-import sys
 import warnings
 import webbrowser
 
@@ -13,8 +10,6 @@ from qtpy import QtGui
 from qtpy import QtWidgets
 
 from labelme import __appname__
-from labelme import __version__
-from labelme import logger
 from labelme import QT5
 
 from labelme.config import get_config
@@ -48,9 +43,6 @@ from labelme.widgets import ZoomWidget
 # - Zoom is too "steppy".
 
 
-# Utility functions and classes.
-
-
 class WindowMixin(object):
     def menu(self, title, actions=None):
         menu = self.menuBar().addMenu(title)
@@ -1295,113 +1287,3 @@ def read(filename, default=None):
             return f.read()
     except Exception:
         return default
-
-
-def main():
-    parser = argparse.ArgumentParser()
-    parser.add_argument('--version', '-V', action='store_true',
-                        help='show version')
-    parser.add_argument('filename', nargs='?', help='image or label filename')
-    parser.add_argument('--output', '-O', '-o', help='output label name')
-    default_config_file = os.path.join(os.path.expanduser('~'), '.labelmerc')
-    parser.add_argument(
-        '--config',
-        dest='config_file',
-        help='config file (default: %s)' % default_config_file,
-        default=default_config_file,
-    )
-    # config for the gui
-    parser.add_argument(
-        '--nodata',
-        dest='store_data',
-        action='store_false',
-        help='stop storing image data to JSON file',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--autosave',
-        dest='auto_save',
-        action='store_true',
-        help='auto save',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--nosortlabels',
-        dest='sort_labels',
-        action='store_false',
-        help='stop sorting labels',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--flags',
-        help='comma separated list of flags OR file containing flags',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--labels',
-        help='comma separated list of labels OR file containing labels',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--validatelabel',
-        dest='validate_label',
-        choices=['exact', 'instance'],
-        help='label validation types',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--keep-prev',
-        action='store_true',
-        help='keep annotation of previous frame',
-        default=argparse.SUPPRESS,
-    )
-    parser.add_argument(
-        '--epsilon',
-        type=float,
-        help='epsilon to find nearest vertex on canvas',
-        default=argparse.SUPPRESS,
-    )
-    args = parser.parse_args()
-
-    if args.version:
-        print('{0} {1}'.format(__appname__, __version__))
-        sys.exit(0)
-
-    if hasattr(args, 'flags'):
-        if os.path.isfile(args.flags):
-            with codecs.open(args.flags, 'r', encoding='utf-8') as f:
-                args.flags = [l.strip() for l in f if l.strip()]
-        else:
-            args.flags = [l for l in args.flags.split(',') if l]
-
-    if hasattr(args, 'labels'):
-        if os.path.isfile(args.labels):
-            with codecs.open(args.labels, 'r', encoding='utf-8') as f:
-                args.labels = [l.strip() for l in f if l.strip()]
-        else:
-            args.labels = [l for l in args.labels.split(',') if l]
-
-    config_from_args = args.__dict__
-    config_from_args.pop('version')
-    filename = config_from_args.pop('filename')
-    output = config_from_args.pop('output')
-    config_file = config_from_args.pop('config_file')
-    config = get_config(config_from_args, config_file)
-
-    if not config['labels'] and config['validate_label']:
-        logger.error('--labels must be specified with --validatelabel or '
-                     'validate_label: true in the config file '
-                     '(ex. ~/.labelmerc).')
-        sys.exit(1)
-
-    app = QtWidgets.QApplication(sys.argv)
-    app.setApplicationName(__appname__)
-    app.setWindowIcon(newIcon('icon'))
-    win = MainWindow(config=config, filename=filename, output=output)
-    win.show()
-    win.raise_()
-    sys.exit(app.exec_())
-
-
-if __name__ == '__main__':
-    main()

labelme/main.py

+import argparse
+import codecs
+import os
+import sys
+
+from qtpy import QtWidgets
+
+from labelme import __appname__
+from labelme import __version__
+from labelme.app import MainWindow
+from labelme.config import get_config
+from labelme import logger
+from labelme.utils import newIcon
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--version', '-V', action='store_true',
+                        help='show version')
+    parser.add_argument('filename', nargs='?', help='image or label filename')
+    parser.add_argument('--output', '-O', '-o', help='output label name')
+    default_config_file = os.path.join(os.path.expanduser('~'), '.labelmerc')
+    parser.add_argument(
+        '--config',
+        dest='config_file',
+        help='config file (default: %s)' % default_config_file,
+        default=default_config_file,
+    )
+    # config for the gui
+    parser.add_argument(
+        '--nodata',
+        dest='store_data',
+        action='store_false',
+        help='stop storing image data to JSON file',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--autosave',
+        dest='auto_save',
+        action='store_true',
+        help='auto save',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--nosortlabels',
+        dest='sort_labels',
+        action='store_false',
+        help='stop sorting labels',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--flags',
+        help='comma separated list of flags OR file containing flags',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--labels',
+        help='comma separated list of labels OR file containing labels',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--validatelabel',
+        dest='validate_label',
+        choices=['exact', 'instance'],
+        help='label validation types',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--keep-prev',
+        action='store_true',
+        help='keep annotation of previous frame',
+        default=argparse.SUPPRESS,
+    )
+    parser.add_argument(
+        '--epsilon',
+        type=float,
+        help='epsilon to find nearest vertex on canvas',
+        default=argparse.SUPPRESS,
+    )
+    args = parser.parse_args()
+
+    if args.version:
+        print('{0} {1}'.format(__appname__, __version__))
+        sys.exit(0)
+
+    if hasattr(args, 'flags'):
+        if os.path.isfile(args.flags):
+            with codecs.open(args.flags, 'r', encoding='utf-8') as f:
+                args.flags = [l.strip() for l in f if l.strip()]
+        else:
+            args.flags = [l for l in args.flags.split(',') if l]
+
+    if hasattr(args, 'labels'):
+        if os.path.isfile(args.labels):
+            with codecs.open(args.labels, 'r', encoding='utf-8') as f:
+                args.labels = [l.strip() for l in f if l.strip()]
+        else:
+            args.labels = [l for l in args.labels.split(',') if l]
+
+    config_from_args = args.__dict__
+    config_from_args.pop('version')
+    filename = config_from_args.pop('filename')
+    output = config_from_args.pop('output')
+    config_file = config_from_args.pop('config_file')
+    config = get_config(config_from_args, config_file)
+
+    if not config['labels'] and config['validate_label']:
+        logger.error('--labels must be specified with --validatelabel or '
+                     'validate_label: true in the config file '
+                     '(ex. ~/.labelmerc).')
+        sys.exit(1)
+
+    app = QtWidgets.QApplication(sys.argv)
+    app.setApplicationName(__appname__)
+    app.setWindowIcon(newIcon('icon'))
+    win = MainWindow(config=config, filename=filename, output=output)
+    win.show()
+    win.raise_()
+    sys.exit(app.exec_())

setup.py

@@ -98,7 +98,7 @@ setup(
     package_data={'labelme': ['icons/*', 'config/*.yaml']},
     entry_points={
         'console_scripts': [
-            'labelme=labelme.app:main',
+            'labelme=labelme.main:main',
             'labelme_draw_json=labelme.cli.draw_json:main',
             'labelme_draw_label_png=labelme.cli.draw_label_png:main',
             'labelme_json_to_dataset=labelme.cli.json_to_dataset:main',