From 0e7fb07f915b7a2b04df209fbacd92aca19c87af Mon Sep 17 00:00:00 2001
From: Eli Schwartz <eschwartz@archlinux.org>
Date: Mon, 5 Sep 2022 21:12:56 -0400
Subject: python module: add an automatic byte-compilation step

For all source `*.py` files installed via either py.install_sources() or
an `install_dir: py.get_install_dir()`, produce `*.pyc` files at install
time. Controllable via a module option.
---
 mesonbuild/scripts/pycompile.py | 67 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 mesonbuild/scripts/pycompile.py

(limited to 'mesonbuild/scripts')

diff --git a/mesonbuild/scripts/pycompile.py b/mesonbuild/scripts/pycompile.py
new file mode 100644
index 000000000..da92655b0
--- /dev/null
+++ b/mesonbuild/scripts/pycompile.py
@@ -0,0 +1,67 @@
+# Copyright 2016 The Meson development team
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# ignore all lints for this file, since it is run by python2 as well
+
+# type: ignore
+# pylint: disable=deprecated-module
+
+import json, os, subprocess, sys
+from compileall import compile_file
+
+destdir = os.environ.get('DESTDIR')
+quiet = int(os.environ.get('MESON_INSTALL_QUIET', 0))
+
+def destdir_join(d1, d2):
+    if not d1:
+        return d2
+    # c:\destdir + c:\prefix must produce c:\destdir\prefix
+    parts = os.path.splitdrive(d2)
+    return d1 + parts[1]
+
+def compileall(files):
+    for f in files:
+        if destdir is not None:
+            ddir = os.path.dirname(f)
+            fullpath = destdir_join(destdir, f)
+        else:
+            ddir = None
+            fullpath = f
+
+        if os.path.isdir(fullpath):
+            for root, _, files in os.walk(fullpath):
+                ddir = os.path.dirname(os.path.splitdrive(f)[0] + root[len(destdir):])
+                for dirf in files:
+                    if dirf.endswith('.py'):
+                        fullpath = os.path.join(root, dirf)
+                        compile_file(fullpath, ddir, force=True, quiet=quiet)
+        else:
+            compile_file(fullpath, ddir, force=True, quiet=quiet)
+
+def run(manifest):
+    data_file = os.path.join(os.path.dirname(__file__), manifest)
+    with open(data_file, 'rb') as f:
+        dat = json.load(f)
+    compileall(dat)
+
+if __name__ == '__main__':
+    manifest = sys.argv[1]
+    run(manifest)
+    if len(sys.argv) > 2:
+        optlevel = int(sys.argv[2])
+        # python2 only needs one or the other
+        if optlevel == 1 or (sys.version_info >= (3,) and optlevel > 0):
+            subprocess.check_call([sys.executable, '-O'] + sys.argv[:2])
+        if optlevel == 2:
+            subprocess.check_call([sys.executable, '-OO'] + sys.argv[:2])
-- 
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