feat: import and update package 'ot-simian' from AUR (#119)

1 files changed, 38 insertions, 0 deletions

diff --git a/generate-manifest-ttl.py b/generate-manifest-ttl.py
new file mode 100644
index 000000000000..ca114eba29db
--- /dev/null
+++ b/generate-manifest-ttl.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+
+import sys
+from ctypes import byref, c_char_p, c_int, cdll, create_string_buffer
+from os.path import join
+
+
+def extractLV2ManifestFromBinary(binaryPath: str, outputDir: str, binaryName: str):
+    print("*** Extract LV2 manifest from binary...", file=sys.stderr);
+    lib = cdll.LoadLibrary(binaryPath)
+
+    if not lib.GenerateManifestFromClient:
+        return "Couldn't find the symbol GenerateManifestFromClient in the plug-in"
+
+    gen_manifest = lib.GenerateManifestFromClient
+    gen_manifest.restype = c_int
+    gen_manifest.argtypes =[c_char_p, c_int, c_char_p, c_int]
+
+    # How much bytes do we need for the manifest?
+    c_binaryName = c_char_p(binaryName.encode("utf-8"))
+    manifestLen: int = gen_manifest(None, 0, c_binaryName, len(binaryName));
+
+    # Generate the manifest again, this time copy it in a properly sized buffer.
+    manifestBuf: c_char_p = create_string_buffer(manifestLen)
+    manifestLen = gen_manifest(manifestBuf, manifestLen, c_binaryName, len(binaryName))
+    lv2Manifest: str = manifestBuf.value.decode("utf-8");
+
+    # write manifest
+    manifestPath: str = join(outputDir, "manifest.ttl")
+
+    with open(manifestPath, "w") as fp:
+        fp.write(lv2Manifest)
+
+    print( "   => Written {} bytes to {}.".format(len(lv2Manifest), manifestPath), file=sys.stderr)
+
+
+if __name__ == '__main__':
+    sys.exit(extractLV2ManifestFromBinary(*sys.argv[1:]) or 0)