Make Python 3.8 minimum requirement

.github/workflows/build.yml

@@ -20,8 +20,6 @@ jobs:
     strategy:
       matrix:
         include:
-          - os: ubuntu-18.04
-            python: "3.7"
           - os: ubuntu-20.04
             python: "3.8"
           - os: ubuntu-20.04

.readthedocs.yaml

@@ -14,7 +14,7 @@ formats:
 
 # Optionally set the version of Python and requirements required to build your docs
 python:
-  version: "3.7"
+  version: "3.8"
   install:
     - method: pip
       path: .

README.md

@@ -66,7 +66,7 @@ Linux, Windows, macOS and FreeBSD are supported. Docker images are also availabl
 | macOS (Homebrew)              | ``brew install ocrmypdf``     |
 | macOS (nix)                   | ``nix-env -i  ocrmypdf``      |
 | LinuxBrew                     | ``brew install ocrmypdf``     |
-| FreeBSD                       | ``pkg install py37-ocrmypdf`` |
+| FreeBSD                       | ``pkg install py38-ocrmypdf`` |
 | Conda                         | ``conda install ocrmypdf``    |
 | Ubuntu Snap                   | ``snap install ocrmypdf``     |
 

docs/api.rst

@@ -72,14 +72,6 @@ OCRmyPDF, use processes.
     not take at least one of these steps, process semantics will prevent
     OCRmyPDF from working correctly.
 
-.. warning::
-
-    On macOS with Python 3.7, you must call
-    :func:`multiprocessing.set_start_method("spawn")`. Without this, multiprocessing
-    will be unstable. From the command line, OCRmyPDF does this automatically,
-    but as an API user you must do this. See Python bpo-33725 for details.
-    Python 3.8+ also resolve this automatically.
-
 Logging
 -------
 

docs/installation.rst

@@ -417,7 +417,7 @@ Native Windows
 
 You must install the following for Windows:
 
-* Python 3.7 (64-bit) or later
+* Python 3.8 (64-bit) or later
 * Tesseract 4.0 or later
 * Ghostscript 9.50 or later
 
@@ -649,7 +649,7 @@ unfortunately, the ``pip install`` command cannot satisfy all of them.
 Installing HEAD revision from sources
 =====================================
 
-If you have ``git`` and Python 3.7 or newer installed, you can install
+If you have ``git`` and Python 3.8 or newer installed, you can install
 from source. When the ``pip`` installer runs, it will alert you if
 dependencies are missing.
 

setup.cfg

@@ -24,7 +24,6 @@ classifiers =
     Operating System :: POSIX :: Linux
     Programming Language :: Python :: 3
     Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
@@ -54,10 +53,9 @@ install_requires =
     pluggy>=0.13.0
     reportlab>=3.5.66
     tqdm>=4
-    importlib-metadata>=4;python_version<'3.8'  # until Python 3.8
     importlib-resources>=5;python_version<'3.9'  # until Python 3.9
     typing-extensions>=4;python_version<'3.10'
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 package_dir =
     =src
@@ -100,7 +98,7 @@ ocrmypdf =
     py.typed
 
 [bdist_wheel]
-python-tag = py37
+python-tag = py38
 
 [aliases]
 test = pytest

src/ocrmypdf/__main__.py

@@ -71,6 +71,4 @@ def run(args=None):
 
 
 if __name__ == '__main__':
-    if sys.platform == 'darwin' and sys.version_info < (3, 8):
-        set_start_method('spawn')  # see python bpo-33725
     sys.exit(run())

src/ocrmypdf/subprocess/_windows.py

@@ -171,11 +171,6 @@ SHIMS = [
 def fix_windows_args(program: str, args, env):
     """Adjust our desired program and command line arguments for use on Windows"""
 
-    if sys.version_info < (3, 8):
-        # bpo-33617 - Windows needs manual Path -> str conversion
-        args = [os.fspath(arg) for arg in args]
-        program = os.fspath(program)
-
     # If we are running a .py on Windows, ensure we call it with this Python
     # (to support test suite shims)
     if program.lower().endswith('.py'):

tests/test_stdio.py

@@ -51,10 +51,6 @@ def test_stdout(ocrmypdf_exec, resources, outpdf):
     assert check_pdf(output_file)
 
 
-@pytest.mark.xfail(
-    os.name == 'nt' and sys.version_info < (3, 8),
-    reason="Windows does not like this; not sure how to fix",
-)
 def test_dev_null(resources):
     if 'COV_CORE_DATAFILE' in os.environ:
         pytest.skip("Coverage uses stdout")