DarthAffe/stable-diffusion.cpp
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fix: open model files with UTF-8 paths on Windows (#2144)

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therealshulgin authored and GitHub committed 2026-10-17 00:50:09 +08:00
1 parent 8cd731e7b4
commit 8c442fb0ad
11 files changed
+35 -25
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src/model_io/safetensors_io.cpp
+8 -8
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@@ -26,15 +26,15 @@ static void set_error(std::string* error, const std::string& message) {
}
static std::string resolve_index_shard_path(const std::string& index_path, const std::string& shard_path) {
fs::path shard_fs_path(shard_path);
fs::path shard_fs_path = fs::u8path(shard_path);
if (shard_fs_path.is_absolute()) {
return shard_fs_path.lexically_normal().string();
return shard_fs_path.lexically_normal().u8string();
}
return (fs::path(index_path).parent_path() / shard_fs_path).lexically_normal().string();
return (fs::u8path(index_path).parent_path() / shard_fs_path).lexically_normal().u8string();
}
bool is_safetensors_file(const std::string& file_path) {
std::ifstream file(file_path, std::ios::binary);
std::ifstream file(fs::u8path(file_path), std::ios::binary);
if (!file.is_open()) {
return false;
}
@@ -153,7 +153,7 @@ bool read_safetensors_file(const std::string& file_path,
std::string* error,
std::map<std::string, std::string>* metadata,
std::set<std::string>* tensor_names) {
std::ifstream file(file_path, std::ios::binary);
std::ifstream file(fs::u8path(file_path), std::ios::binary);
if (!file.is_open()) {
set_error(error, "failed to open '" + file_path + "'");
return false;
@@ -418,7 +418,7 @@ bool read_safetensors_index_file(const std::string& file_path,
std::string* error) {
shard_paths.clear();
std::ifstream file(file_path);
std::ifstream file(fs::u8path(file_path));
if (!file.is_open()) {
set_error(error, "failed to open '" + file_path + "'");
return false;
@@ -522,7 +522,7 @@ bool write_safetensors_file(const std::string& file_path,
const std::string header_str = header.dump();
std::ofstream file(file_path, std::ios::binary);
std::ofstream file(fs::u8path(file_path), std::ios::binary);
if (!file.is_open()) {
set_error(error, "failed to open '" + file_path + "' for writing");
return false;
@@ -596,7 +596,7 @@ bool SafetensorsStreamingWriter::write_metadata(const std::string& file_path,
data_start_ = ST_HEADER_SIZE_LEN + header_str.size();
LOG_INFO("trying to save tensors to %s", file_path.c_str());
std::ofstream file(file_path, std::ios::binary | std::ios::trunc);
std::ofstream file(fs::u8path(file_path), std::ios::binary | std::ios::trunc);
if (!file.is_open()) {
set_error(error, "failed to open '" + file_path + "' for writing");
return false;