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prebuild.cpp

@@ -0,0 +1,65 @@
+#include <iostream>
+#include <string>
+#include <map>
+#include <algorithm>
+#include <filesystem>
+#include <fstream>
+#include <ctime>
+
+std::string to_hex_string(const std::string& input) {
+    std::string result;
+    result.reserve(input.length() * 4);
+    for (const auto& c : input) {
+        char buf[5] = {0};
+        sprintf(buf, "%02x", static_cast<unsigned char>(c));
+        result += "\\x";
+        result += buf;
+    }
+    return result;
+}
+
+std::map<std::string, std::string> generate_python_sources() {
+    std::map<std::string, std::string> sources;
+
+    for (const auto& file : std::filesystem::directory_iterator("python")) {
+        if (file.path().extension() == ".py") {
+            std::string key = file.path().stem().string();
+            std::ifstream f(file.path());
+            std::string content((std::istreambuf_iterator<char>(f)), std::istreambuf_iterator<char>());
+            sources[key] = to_hex_string(content);
+        }
+    }
+
+    return sources;
+}
+
+std::string generate_header(const std::map<std::string, std::string>& sources) {
+    std::time_t timestamp = std::time(nullptr);
+    std::tm* now = std::localtime(&timestamp);
+    char timestamp_str[20];
+    std::strftime(timestamp_str, sizeof(timestamp_str), "%Y-%m-%d %H:%M:%S", now);
+
+    std::string header;
+    header += "#pragma once\n";
+    header += "// generated on ";
+    header += timestamp_str;
+    header += "\n#include <map>\n#include <string>\n\nnamespace pkpy{\n";
+    header += "    inline static std::map<std::string, std::string> kPythonLibs = {\n";
+
+    for (const auto& [key, value] : sources) {
+        header += "        {\"" + key + "\", \"" + value + "\"},\n";
+    }
+
+    header += "    };\n";
+    header += "} // namespace pkpy\n";
+
+    return header;
+}
+
+int main() {
+    auto sources = generate_python_sources();
+    std::string header = generate_header(sources);
+    std::ofstream header_file("src/_generated.h");
+    header_file << header;
+    return 0;
+}

prebuild.sh

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+g++ -o prebuild --std=c++17 prebuild.cpp
+./prebuild
+rm prebuild