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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"It is not possible to compile RustPython (0.5.0 and current main) with feature `ssl-vendor`","articleBody":"## Summary\n\n```text\n# cargo clean \u0026\u0026 cargo build --release --no-default-features --features threading,stdlib,stdio,importlib,host_env,freeze-stdlib,sqlite,ssl-vendor\n     Removed 3814 files, 1.1GiB total\n  Downloaded openssl v0.10.76\n  Downloaded openssl-sys v0.9.112\n  Downloaded 2 crates (355.0KiB) in 0.54s\n   Compiling proc-macro2 v1.0.106\n   Compiling unicode-ident v1.0.22\n   Compiling quote v1.0.45\n...\n   Compiling dirs-next v2.0.0\n   Compiling lexopt v0.3.2\n   Compiling env_logger v0.11.10\n   Compiling liblzma v0.4.6\nerror[E0425]: cannot find type `LazyLock` in this scope\n   --\u003e crates/stdlib/src/openssl.rs:435:24\n    |\n435 |     static CERT_PATHS: LazyLock\u003c(PathBuf, PathBuf)\u003e = LazyLock::new(|| {\n    |                        ^^^^^^^^ not found in this scope\n    |\nhelp: consider importing one of these structs\n    |\n 53 +     use crate::openssl::LazyLock;\n    |\n 53 +     use std::sync::LazyLock;\n    |\n\nerror[E0433]: cannot find type `LazyLock` in this scope\n   --\u003e crates/stdlib/src/openssl.rs:435:55\n    |\n435 |     static CERT_PATHS: LazyLock\u003c(PathBuf, PathBuf)\u003e = LazyLock::new(|| {\n    |                                                       ^^^^^^^^ use of undeclared type `LazyLock`\n    |\nhelp: consider importing one of these structs\n    |\n 53 +     use crate::openssl::LazyLock;\n    |\n 53 +     use std::sync::LazyLock;\n    |\n\nerror[E0425]: cannot find type `LazyLock` in this scope\n   --\u003e crates/stdlib/src/openssl.rs:473:28\n    |\n473 |     static CERT_ENV_NAMES: LazyLock\u003c(String, String)\u003e = LazyLock::new(|| {\n    |                            ^^^^^^^^ not found in this scope\n    |\nhelp: consider importing one of these structs\n    |\n 53 +     use crate::openssl::LazyLock;\n    |\n 53 +     use std::sync::LazyLock;\n    |\n\nerror[E0433]: cannot find type `LazyLock` in this scope\n   --\u003e crates/stdlib/src/openssl.rs:473:57\n    |\n473 |     static CERT_ENV_NAMES: LazyLock\u003c(String, String)\u003e = LazyLock::new(|| {\n    |                                                         ^^^^^^^^ use of undeclared type `LazyLock`\n    |\nhelp: consider importing one of these structs\n    |\n 53 +     use crate::openssl::LazyLock;\n    |\n 53 +     use std::sync::LazyLock;\n    |\n\nerror[E0599]: no method named `as_str` found for struct `PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:1049:38\n     |\n1049 |             let ciphers = cipherlist.as_str();\n     |                                      ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for struct `PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:1105:26\n     |\n1105 |                     if s.as_str().contains('\\0') {\n     |                          ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for struct `PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:1462:64\n     |\n1462 |                     *self.psk_identity_hint.lock() = Some(hint.as_str().to_owned());\n     |                                                                ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for struct `PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:1490:31\n     |\n1490 |                         if !s.as_str().is_ascii() {\n     |                               ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for reference `\u0026Py\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:1980:22\n     |\n1980 |                 Ok(s.as_str().as_bytes().to_vec())\n     |                      ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for reference `\u0026PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:2036:45\n     |\n2036 |                 let hostname_str = hostname.as_str();\n     |                                             ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nerror[E0599]: no method named `as_str` found for reference `\u0026PyRef\u003cPyStr\u003e` in the current scope\n    --\u003e crates/stdlib/src/openssl.rs:2755:75\n     |\n2755 |             let cb_type_str = cb_type.as_ref().map_or(\"tls-unique\", |s| s.as_str());\n     |                                                                           ^^^^^^\n     |\nhelp: there is a method `as_pystr` with a similar name, but with different arguments\n    --\u003e crates/vm/src/builtins/str.rs:256:5\n     |\n 256 |     fn as_pystr(self, ctx: \u0026Context) -\u003e \u0026'a Py\u003cPyStr\u003e;\n     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n\nSome errors have detailed explanations: E0425, E0433, E0599.\nFor more information about an error, try `rustc --explain E0425`.\nerror: could not compile `rustpython-stdlib` (lib) due to 11 previous errors\n```\n\nNo such problem when compiling with `ssl-rustls` instead of `ssl-vendor`.\n\nThe last commit where `ssl-vendor` compiles is c06cf56c60db1ddf34e4c2037edd6153fb21e7e1. Compilation is broken since at least ccd3d4f964e7c9139b99c7d1154e5eb6e764d8cc.\n\n## Expected\n\nSuccessful compilation.\n\n## Actual\n\nCompilation errors.\n\n## Python Documentation\n\nN/A","author":{"url":"https://github.com/im-0","@type":"Person","name":"im-0"},"datePublished":"2026-05-17T07:54:41.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/7893/RustPython/issues/7893"}