48 lines
1.7 KiB
Rust
48 lines
1.7 KiB
Rust
use std::fs;
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use std::env;
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use std::io::Write;
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use std::path::Path;
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const BDK_UDL: &str = "src/bdk.udl";
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fn fixup_python_lib_path<O: AsRef<Path>>(out_dir: O, lib_name: &str) -> Result<(), Box<dyn std::error::Error>> {
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const LOAD_INDIRECT_DEF: &str = "def loadIndirect():";
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let bindings_file = out_dir.as_ref().join("bdk.py");
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let mut data = fs::read_to_string(&bindings_file)?;
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let pos = data.find(LOAD_INDIRECT_DEF).expect(&format!("loadIndirect not found in `{}`", bindings_file.display()));
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let range = pos..pos + LOAD_INDIRECT_DEF.len();
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let replacement = format!(r#"
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def loadIndirect():
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import glob
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return getattr(ctypes.cdll, glob.glob(os.path.join(os.path.dirname(os.path.abspath(__file__)), '{}.*'))[0])
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def _loadIndirectOld():"#, lib_name);
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data.replace_range(range, &replacement);
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let mut file = fs::OpenOptions::new().write(true).truncate(true).open(&bindings_file)?;
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file.write(data.as_bytes())?;
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Ok(())
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}
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fn main() {
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uniffi_build::generate_scaffolding(BDK_UDL).unwrap();
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if let Some(lang) = env::var("GENERATE_BINDINGS_LANG").ok() {
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let out_path = env::var("GENERATE_BINDINGS_OUT").expect("GENERATE_BINDINGS_OUT must be set when GENERATE_BINDINGS_LANG is");
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uniffi_bindgen::generate_bindings(BDK_UDL, None, vec![&lang], Some(&out_path), false).unwrap();
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match (lang.as_ref(), env::var("GENERATE_BINDINGS_FIXUP_LIB_PATH").ok()) {
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("python", Some(name)) => fixup_python_lib_path(&out_path, &name).unwrap(),
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_ => {},
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}
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}
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println!("cargo:rerun-if-changed=GENERATE_BINDINGS_LANG");
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println!("cargo:rerun-if-changed=GENERATE_BINDINGS_OUT");
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println!("cargo:rerun-if-changed=GENERATE_BINDINGS_FIXUP_LIB_PATH");
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}
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