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16.14. errno — Standard errno system symbols — Python v2.6.2 documentation

16.14. errno — Standard errno system symbols¶

This module makes available standard errno system symbols. The value of each symbol is the corresponding integer value. The names and descriptions are borrowed from linux/include/errno.h, which should be pretty all-inclusive.

errno.errorcode¶
Dictionary providing a mapping from the errno value to the string name in the underlying system. For instance, errno.errorcode[errno.EPERM] maps to 'EPERM'.

To translate a numeric error code to an error message, use os.strerror().

Of the following list, symbols that are not used on the current platform are not defined by the module. The specific list of defined symbols is available as errno.errorcode.keys(). Symbols available can include:

errno.EPERM¶
Operation not permitted
errno.ENOENT¶
No such file or directory
errno.ESRCH¶
No such process
errno.EINTR¶
Interrupted system call
errno.EIO¶
I/O error
errno.ENXIO¶
No such device or address
errno.E2BIG¶
Arg list too long
errno.ENOEXEC¶
Exec format error
errno.EBADF¶
Bad file number
errno.ECHILD¶
No child processes
errno.EAGAIN¶
Try again
errno.ENOMEM¶
Out of memory
errno.EACCES¶
Permission denied
errno.EFAULT¶
Bad address
errno.ENOTBLK¶
Block device required
errno.EBUSY¶
Device or resource busy
errno.EEXIST¶
File exists
errno.EXDEV¶
Cross-device link
errno.ENODEV¶
No such device
errno.ENOTDIR¶
Not a directory
errno.EISDIR¶
Is a directory
errno.EINVAL¶
Invalid argument
errno.ENFILE¶
File table overflow
errno.EMFILE¶
Too many open files
errno.ENOTTY¶
Not a typewriter
errno.ETXTBSY¶
Text file busy
errno.EFBIG¶
File too large
errno.ENOSPC¶
No space left on device
errno.ESPIPE¶
Illegal seek
errno.EROFS¶
Read-only file system
Too many links
errno.EPIPE¶
Broken pipe
errno.EDOM¶
Math argument out of domain of func
errno.ERANGE¶
Math result not representable
errno.EDEADLK¶
Resource deadlock would occur
errno.ENAMETOOLONG¶
File name too long
errno.ENOLCK¶
No record locks available
errno.ENOSYS¶
Function not implemented
errno.ENOTEMPTY¶
Directory not empty
errno.ELOOP¶
Too many symbolic links encountered
errno.EWOULDBLOCK¶
Operation would block
errno.ENOMSG¶
No message of desired type
errno.EIDRM¶
Identifier removed
errno.ECHRNG¶
Channel number out of range
errno.EL2NSYNC¶
Level 2 not synchronized
errno.EL3HLT¶
Level 3 halted
errno.EL3RST¶
Level 3 reset
errno.ELNRNG¶
Link number out of range
errno.EUNATCH¶
Protocol driver not attached
errno.ENOCSI¶
No CSI structure available
errno.EL2HLT¶
Level 2 halted
errno.EBADE¶
Invalid exchange
errno.EBADR¶
Invalid request descriptor
errno.EXFULL¶
Exchange full
errno.ENOANO¶
No anode
errno.EBADRQC¶
Invalid request code
errno.EBADSLT¶
Invalid slot
errno.EDEADLOCK¶
File locking deadlock error
errno.EBFONT¶
Bad font file format
errno.ENOSTR¶
Device not a stream
errno.ENODATA¶
No data available
errno.ETIME¶
Timer expired
errno.ENOSR¶
Out of streams resources
errno.ENONET¶
Machine is not on the network
errno.ENOPKG¶
Package not installed
errno.EREMOTE¶
Object is remote
Link has been severed
errno.EADV¶
Advertise error
errno.ESRMNT¶
Srmount error
errno.ECOMM¶
Communication error on send
errno.EPROTO¶
Protocol error
errno.EMULTIHOP¶
Multihop attempted
errno.EDOTDOT¶
RFS specific error
errno.EBADMSG¶
Not a data message
errno.EOVERFLOW¶
Value too large for defined data type
errno.ENOTUNIQ¶
Name not unique on network
errno.EBADFD¶
File descriptor in bad state
errno.EREMCHG¶
Remote address changed
errno.ELIBACC¶
Can not access a needed shared library
errno.ELIBBAD¶
Accessing a corrupted shared library
errno.ELIBSCN¶
.lib section in a.out corrupted
errno.ELIBMAX¶
Attempting to link in too many shared libraries
errno.ELIBEXEC¶
Cannot exec a shared library directly
errno.EILSEQ¶
Illegal byte sequence
errno.ERESTART¶
Interrupted system call should be restarted
errno.ESTRPIPE¶
Streams pipe error
errno.EUSERS¶
Too many users
errno.ENOTSOCK¶
Socket operation on non-socket
errno.EDESTADDRREQ¶
Destination address required
errno.EMSGSIZE¶
Message too long
errno.EPROTOTYPE¶
Protocol wrong type for socket
errno.ENOPROTOOPT¶
Protocol not available
errno.EPROTONOSUPPORT¶
Protocol not supported
errno.ESOCKTNOSUPPORT¶
Socket type not supported
errno.EOPNOTSUPP¶
Operation not supported on transport endpoint
errno.EPFNOSUPPORT¶
Protocol family not supported
errno.EAFNOSUPPORT¶
Address family not supported by protocol
errno.EADDRINUSE¶
Address already in use
errno.EADDRNOTAVAIL¶
Cannot assign requested address
errno.ENETDOWN¶
Network is down
errno.ENETUNREACH¶
Network is unreachable
errno.ENETRESET¶
Network dropped connection because of reset
errno.ECONNABORTED¶
Software caused connection abort
errno.ECONNRESET¶
Connection reset by peer
errno.ENOBUFS¶
No buffer space available
errno.EISCONN¶
Transport endpoint is already connected
errno.ENOTCONN¶
Transport endpoint is not connected
errno.ESHUTDOWN¶
Cannot send after transport endpoint shutdown
errno.ETOOMANYREFS¶
Too many references: cannot splice
errno.ETIMEDOUT¶
Connection timed out
errno.ECONNREFUSED¶
Connection refused
errno.EHOSTDOWN¶
Host is down
errno.EHOSTUNREACH¶
No route to host
errno.EALREADY¶
Operation already in progress
errno.EINPROGRESS¶
Operation now in progress
errno.ESTALE¶
Stale NFS file handle
errno.EUCLEAN¶
Structure needs cleaning
errno.ENOTNAM¶
Not a XENIX named type file
errno.ENAVAIL¶
No XENIX semaphores available
errno.EISNAM¶
Is a named type file
errno.EREMOTEIO¶
Remote I/O error
errno.EDQUOT¶
Quota exceeded
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