8000 Human readable OSError messages by godlygeek · Pull Request #837 · adafruit/circuitpython · GitHub
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Human readable OSError messages #837

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Merged
merged 3 commits into from
May 15, 2018
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Human readable OSError messages #837

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0518cc1
Include uerrno for boards with external SPI flash
godlygeek May 14, 2018
5833cbe
Display human readable strings for common OSErrors
godlygeek May 14, 2018
086bffb
Update errno tests to match new expected behavior
godlygeek May 15, 2018
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Display human readable strings for common OSErrors 
Signed-off-by: Matt Wozniski <mwozniski@bloomberg.net>
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@godlygeek
godlygeek committed May 14, 2018
commit 5833cbe6dec64a980054ed0b408033cff9d2f22e
14 changes: 14 additions & 0 deletions py/moduerrno.c
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Expand Up @@ -100,6 +100,20 @@ const mp_obj_module_t mp_module_uerrno = {
};

qstr mp_errno_to_str(mp_obj_t errno_val) {
// For commonly encountered errors, return human readable strings
if (MP_OBJ_IS_SMALL_INT(errno_val)) {
switch (MP_OBJ_SMALL_INT_VALUE(errno_val)) {
case EPERM: return MP_QSTR_Permission_space_denied;
case ENOENT: return MP_QSTR_No_space_such_space_file_slash_directory;
case EIO: return MP_QSTR_Input_slash_output_space_error;
case EACCES: return MP_QSTR_Permission_space_denied;
case EEXIST: return MP_QSTR_File_space_exists;
case ENODEV: return MP_QSTR_Unsupported_space_operation;
case EINVAL: return MP_QSTR_Invalid_space_argument;
}
}

// Otherwise, return the Exxxx string for that error code
#if MICROPY_PY_UERRNO_ERRORCODE
// We have the errorcode dict so can do a lookup using the hash map
mp_map_elem_t *elem = mp_map_lookup((mp_map_t*)&errorcode_dict.map, errno_val, MP_MAP_LOOKUP);
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