🚧 Add a wrapper script to call containers

.gitignore

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 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
+*.egg-info/

wrapper/qurator/__init__.py

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+__import__("pkg_resources").declare_namespace(__name__)

wrapper/qurator/ocrd_galley/__init__.py

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+from .cli import *

wrapper/qurator/ocrd_galley/cli.py

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+import os
+import subprocess
+import sys
+
+
+DOCKER_IMAGE_PREFIX = os.environ.get("DOCKER_IMAGE_PREFIX", "my_ocrd_workflow")
+DOCKER_IMAGE_TAG = os.environ.get("DOCKER_IMAGE_TAG", "latest")
+LOG_LEVEL = os.environ.get("LOG_LEVEL", "INFO")
+
+
+def main():
+    argv = sys.argv.copy()
+    argv[0] = os.path.basename(argv[0])
+
+    if argv[0] == "ocrd":
+        docker_image = "%s-core:%s" % (DOCKER_IMAGE_PREFIX, DOCKER_IMAGE_TAG)
+
+    docker_run(argv, docker_image)
+
+
+def docker_run(argv, docker_image):
+    docker_run_options = []
+    docker_run_options.extend(["--rm", "-t"])
+    docker_run_options.extend(["--mount", "type=bind,src=%s,target=/data" % os.getcwd()])
+    docker_run_options.extend(["--user", "%s:%s" % (os.getuid(), os.getgid())])
+    docker_run_options.extend(["-e", "LOG_LEVEL=%s" % LOG_LEVEL])
+
+    # The containers currently need to run privileged to allow it to read from e.g.
+    # /home on SELinux secured systems such as Fedora. We might want to use udica
+    # instead in the future.
+    docker_run_options.extend(["--privileged=true"])
+
+    docker_run_options.extend([docker_image])
+    docker_run_options.extend(argv)
+
+    docker_run_command = ["docker", "run"] + docker_run_options
+    c = subprocess.run(docker_run_command)
+    sys.exit(c.returncode)
+
+
+if __name__ == "__main__":
+    main()

wrapper/setup.py

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+from io import open
+from setuptools import find_packages, setup
+
+setup(
+    name="ocrd-galley",
+    author="Mike Gerber, The QURATOR SPK Team",
+    author_email="mike.gerber@sbb.spk-berlin.de, qurator@sbb.spk-berlin.de",
+    description="A Dockerized test environment for OCR-D processors ship",
+    keywords="qurator ocr ocr-d",
+    license="Apache",
+    packages=find_packages(exclude=["*.tests", "*.tests.*", "tests.*", "tests"]),
+    namespace_packages=["qurator"],
+    entry_points={
+        "console_scripts": [
+            "ocrd=qurator.ocrd_galley.cli:main",
+        ]
+    },
+)