From e0f42620cf717703d73b1fc79c106254093b8729 Mon Sep 17 00:00:00 2001 From: Anson Mansfield Date: Mon, 7 Apr 2025 11:29:29 -0400 Subject: [PATCH 1/2] cpydiff: Document lack of OSError errno subtype mapping. Signed-off-by: Anson Mansfield --- tests/cpydiff/types_oserror_errnomap.py | 48 +++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 tests/cpydiff/types_oserror_errnomap.py diff --git a/tests/cpydiff/types_oserror_errnomap.py b/tests/cpydiff/types_oserror_errnomap.py new file mode 100644 index 0000000000000..b2b7745056043 --- /dev/null +++ b/tests/cpydiff/types_oserror_errnomap.py @@ -0,0 +1,48 @@ +""" +categories: Types,OSError +description: OSError constructor returns a plain OSError for all errno values, rather than a relevant subtype. +cause: Micropython does not include the CPython-standard OSError subclasses. +workaround: Catch OSError and use its errno attribute to discriminate the cause. +""" + +import errno + +errno_list = [ # i.e. the set implemented by micropython + errno.EPERM, + errno.ENOENT, + errno.EIO, + errno.EBADF, + errno.EAGAIN, + errno.ENOMEM, + errno.EACCES, + errno.EEXIST, + errno.ENODEV, + errno.EISDIR, + errno.EINVAL, + errno.EOPNOTSUPP, + errno.EADDRINUSE, + errno.ECONNABORTED, + errno.ECONNRESET, + errno.ENOBUFS, + errno.ENOTCONN, + errno.ETIMEDOUT, + errno.ECONNREFUSED, + errno.EHOSTUNREACH, + errno.EALREADY, + errno.EINPROGRESS, +] + + +def errno_output_type(n): + try: + raise OSError(n, "") + except OSError as e: + return f"{type(e).__name__}" + except Exception as e: + return f"non-OSError {type(e).__name__}" + else: + return "no error" + + +for n in errno_list: + print(errno.errorcode[n], "=", errno_output_type(n)) From 90aa1703e41ecbf0dc03a1e3cfa654cab6cf31bd Mon Sep 17 00:00:00 2001 From: Anson Mansfield Date: Mon, 7 Apr 2025 11:11:58 -0400 Subject: [PATCH 2/2] cpydiff: Document ENOTSUP vs EOPNOTSUPP. Signed-off-by: Anson Mansfield --- tests/cpydiff/modules_errno_enotsup.py | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 tests/cpydiff/modules_errno_enotsup.py diff --git a/tests/cpydiff/modules_errno_enotsup.py b/tests/cpydiff/modules_errno_enotsup.py new file mode 100644 index 0000000000000..28c494165e21c --- /dev/null +++ b/tests/cpydiff/modules_errno_enotsup.py @@ -0,0 +1,10 @@ +""" +categories: Modules,errno +description: Micropython does not include ``ENOTSUP`` as a name for errno 95. +cause: Micropython does not implement the ``ENOTSUP`` canonical alias for ``EOPNOTSUPP`` added in CPython 3.2. +workaround: Use ``errno.EOPNOTSUPP`` in place of ``errno.ENOTSUP``. +""" + +import errno + +print(f"{errno.errorcode[errno.EOPNOTSUPP]=!s}") pFad - Phonifier reborn

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