Add Chromium-only Blender WebEngine parity work

blender-5.2.0/tests/python/pep8.py

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+# SPDX-FileCopyrightText: 2009-2023 Blender Authors
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os
+import subprocess
+import shutil
+
+# depends on pep8, frosted, pylint
+# for Ubuntu
+#
+#   sudo apt-get install pylint
+#
+#   sudo apt-get install python-setuptools python-pip
+#   sudo pip install pep8
+#   sudo pip install frosted
+#
+# in Debian install pylint pep8 with apt-get/aptitude/etc
+#
+# on *nix run
+#   python tests/pep8.py > test_pep8.log 2>&1
+
+# how many lines to read into the file, pep8 comment
+# should be directly after the license header, ~20 in most cases
+SKIP_PREFIX = "./tools/", "./extern/", "./lib/"
+SKIP_ADDONS = True
+FORCE_PEP8_ALL = False
+
+
+def file_list_py(path):
+    for dirpath, dirnames, filenames in os.walk(path):
+        dirnames[:] = [d for d in dirnames if not d.startswith(".")]
+        for filename in filenames:
+            if filename.startswith("."):
+                continue
+            if filename.endswith((".py", ".cfg")):
+                yield os.path.join(dirpath, filename)
+
+
+def is_pep8(path):
+    print(path)
+    if open(path, 'rb').read(3) == b'\xef\xbb\xbf':
+        print("\nfile contains BOM, remove first 3 bytes: %r\n" % path)
+    # Currently all scripts assumed to be pep8.
+    return 1
+
+
+def check_files_flake8(files):
+    print("\n\n\n# running flake8...")
+
+    # these are very picky and often hard to follow
+    # while keeping common script formatting.
+    ignore = (
+        "E122",
+        "E123",
+        "E124",
+        "E125",
+        "E126",
+        "E127",
+        "E128",
+        # "imports not at top of file."
+        # prefer to load as needed (lazy load addons etc).
+        "E402",
+        # "do not compare types, use 'isinstance()'"
+        # times types are compared,
+        # I rather keep them specific
+        "E721",
+    )
+
+    for f, pep8_type in files:
+
+        if pep8_type == 1:
+            # E501:80 line length
+            ignore_tmp = ignore + ("E501", )
+        else:
+            ignore_tmp = ignore
+
+        subprocess.call((
+            "flake8",
+            "--isolated",
+            "--ignore=%s" % ",".join(ignore_tmp),
+            f,
+        ))
+
+
+def check_files_frosted(files):
+    print("\n\n\n# running frosted...")
+    for f, pep8_type in files:
+        subprocess.call(("frosted", f))
+
+
+def check_files_pylint(files):
+    print("\n\n\n# running pylint...")
+    for f, pep8_type in files:
+        # let pep8 complain about line length
+        subprocess.call((
+            "pylint",
+            "--disable="
+            "C0111,"  # missing doc string
+            "C0103,"  # invalid name
+            "C0209,"  # Formatting a regular string which could be a f-string
+            "C0302,"  # Too many lines in module
+            "C0413,"  # import should be placed at the top
+            "C0415,"  # Import outside toplevel
+            "W0613,"  # unused argument, may add this back
+            "R0902,"  # Too many instance attributes
+            "R0903,"  # Too many statements
+            "R0911,"  # Too many return statements
+            "R0912,"  # Too many branches
+            "R0913,"  # Too many arguments
+            "R0914,"  # Too many local variables
+            "R0915,",  # Too many statements
+            "--output-format=parseable",
+            "--reports=n",
+            "--max-line-length=1000",
+            f,
+        ))
+
+
+def main():
+    files = []
+    files_skip = []
+    for f in file_list_py("."):
+        if [None for prefix in SKIP_PREFIX if f.startswith(prefix)]:
+            continue
+
+        if SKIP_ADDONS:
+            if (os.sep + "addons") in f:
+                continue
+
+        pep8_type = FORCE_PEP8_ALL or is_pep8(f)
+
+        if pep8_type:
+            # so we can batch them for each tool.
+            files.append((os.path.abspath(f), pep8_type))
+        else:
+            files_skip.append(f)
+
+    print("\nSkipping...")
+    for f in files_skip:
+        print("    %s" % f)
+
+    # strict imports
+    print("\n\n\n# checking imports...")
+    import re
+    import_check = re.compile(r"\s*from\s+[A-z\.]+\s+import \*\s*")
+    for f, pep8_type in files:
+        for i, l in enumerate(open(f, 'r', encoding='utf8')):
+            if import_check.match(l):
+                print("%s:%d:0: global import bad practice" % (f, i + 1))
+    del re, import_check
+
+    print("\n\n\n# checking class definitions...")
+    import re
+    class_check = re.compile(r"\s*class\s+.*\(\):.*")
+    for f, pep8_type in files:
+        for i, l in enumerate(open(f, 'r', encoding='utf8')):
+            if class_check.match(l):
+                print("%s:%d:0: empty class (), remove" % (f, i + 1))
+    del re, class_check
+
+    if shutil.which("flake8"):
+        check_files_flake8(files)
+    else:
+        print("Skipping flake8 checks (command not found)")
+
+    if shutil.which("frosted"):
+        check_files_frosted(files)
+    else:
+        print("Skipping frosted checks (command not found)")
+
+    if shutil.which("pylint"):
+        check_files_pylint(files)
+    else:
+        print("Skipping pylint checks (command not found)")
+
+
+if __name__ == "__main__":
+    main()