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-rw-r--r--Doc/library/errno.rst61
-rw-r--r--Doc/library/exceptions.rst28
2 files changed, 52 insertions, 37 deletions
diff --git a/Doc/library/errno.rst b/Doc/library/errno.rst
index 93bdb6c..035340e 100644
--- a/Doc/library/errno.rst
+++ b/Doc/library/errno.rst
@@ -8,7 +8,7 @@
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 :file:`linux/include/errno.h`, which should be pretty
+borrowed from :file:`linux/include/errno.h`, which should be
all-inclusive.
@@ -27,25 +27,26 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EPERM
- Operation not permitted
+ Operation not permitted. This error is mapped to the exception
+ :exc:`PermissionError`.
.. data:: ENOENT
- No such file or directory
+ No such file or directory. This error is mapped to the exception
+ :exc:`FileNotFoundError`.
.. data:: ESRCH
- No such process
+ No such process. This error is mapped to the exception
+ :exc:`ProcessLookupError`.
.. data:: EINTR
- Interrupted system call.
-
- .. seealso::
- This error is mapped to the exception :exc:`InterruptedError`.
+ Interrupted system call. This error is mapped to the exception
+ :exc:`InterruptedError`.
.. data:: EIO
@@ -75,12 +76,13 @@ defined by the module. The specific list of defined symbols is available as
.. data:: ECHILD
- No child processes
+ No child processes. This error is mapped to the exception
+ :exc:`ChildProcessError`.
.. data:: EAGAIN
- Try again
+ Try again. This error is mapped to the exception :exc:`BlockingIOError`.
.. data:: ENOMEM
@@ -90,7 +92,8 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EACCES
- Permission denied
+ Permission denied. This error is mapped to the exception
+ :exc:`PermissionError`.
.. data:: EFAULT
@@ -110,7 +113,8 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EEXIST
- File exists
+ File exists. This error is mapped to the exception
+ :exc:`FileExistsError`.
.. data:: EXDEV
@@ -125,12 +129,14 @@ defined by the module. The specific list of defined symbols is available as
.. data:: ENOTDIR
- Not a directory
+ Not a directory. This error is mapped to the exception
+ :exc:`NotADirectoryError`.
.. data:: EISDIR
- Is a directory
+ Is a directory. This error is mapped to the exception
+ :exc:`IsADirectoryError`.
.. data:: EINVAL
@@ -185,7 +191,8 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EPIPE
- Broken pipe
+ Broken pipe. This error is mapped to the exception
+ :exc:`BrokenPipeError`.
.. data:: EDOM
@@ -230,7 +237,8 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EWOULDBLOCK
- Operation would block
+ Operation would block. This error is mapped to the exception
+ :exc:`BlockingIOError`.
.. data:: ENOMSG
@@ -540,12 +548,14 @@ defined by the module. The specific list of defined symbols is available as
.. data:: ECONNABORTED
- Software caused connection abort
+ Software caused connection abort. This error is mapped to the
+ exception :exc:`ConnectionAbortedError`.
.. data:: ECONNRESET
- Connection reset by peer
+ Connection reset by peer. This error is mapped to the exception
+ :exc:`ConnectionResetError`.
.. data:: ENOBUFS
@@ -565,7 +575,8 @@ defined by the module. The specific list of defined symbols is available as
.. data:: ESHUTDOWN
- Cannot send after transport endpoint shutdown
+ Cannot send after transport endpoint shutdown. This error is mapped
+ to the exception :exc:`BrokenPipeError`.
.. data:: ETOOMANYREFS
@@ -575,12 +586,14 @@ defined by the module. The specific list of defined symbols is available as
.. data:: ETIMEDOUT
- Connection timed out
+ Connection timed out. This error is mapped to the exception
+ :exc:`TimeoutError`.
.. data:: ECONNREFUSED
- Connection refused
+ Connection refused. This error is mapped to the exception
+ :exc:`ConnectionRefusedError`.
.. data:: EHOSTDOWN
@@ -595,12 +608,14 @@ defined by the module. The specific list of defined symbols is available as
.. data:: EALREADY
- Operation already in progress
+ Operation already in progress. This error is mapped to the
+ exception :exc:`BlockingIOError`.
.. data:: EINPROGRESS
- Operation now in progress
+ Operation now in progress. This error is mapped to the exception
+ :exc:`BlockingIOError`.
.. data:: ESTALE
diff --git a/Doc/library/exceptions.rst b/Doc/library/exceptions.rst
index 9e001c8..137566e 100644
--- a/Doc/library/exceptions.rst
+++ b/Doc/library/exceptions.rst
@@ -652,8 +652,8 @@ depending on the system error code.
Raised when an operation would block on an object (e.g. socket) set
for non-blocking operation.
- Corresponds to :c:data:`errno` ``EAGAIN``, ``EALREADY``,
- ``EWOULDBLOCK`` and ``EINPROGRESS``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.EAGAIN`, :py:data:`~errno.EALREADY`,
+ :py:data:`~errno.EWOULDBLOCK` and :py:data:`~errno.EINPROGRESS`.
In addition to those of :exc:`OSError`, :exc:`BlockingIOError` can have
one more attribute:
@@ -667,7 +667,7 @@ depending on the system error code.
.. exception:: ChildProcessError
Raised when an operation on a child process failed.
- Corresponds to :c:data:`errno` ``ECHILD``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ECHILD`.
.. exception:: ConnectionError
@@ -681,35 +681,35 @@ depending on the system error code.
A subclass of :exc:`ConnectionError`, raised when trying to write on a
pipe while the other end has been closed, or trying to write on a socket
which has been shutdown for writing.
- Corresponds to :c:data:`errno` ``EPIPE`` and ``ESHUTDOWN``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.EPIPE` and :py:data:`~errno.ESHUTDOWN`.
.. exception:: ConnectionAbortedError
A subclass of :exc:`ConnectionError`, raised when a connection attempt
is aborted by the peer.
- Corresponds to :c:data:`errno` ``ECONNABORTED``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ECONNABORTED`.
.. exception:: ConnectionRefusedError
A subclass of :exc:`ConnectionError`, raised when a connection attempt
is refused by the peer.
- Corresponds to :c:data:`errno` ``ECONNREFUSED``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ECONNREFUSED`.
.. exception:: ConnectionResetError
A subclass of :exc:`ConnectionError`, raised when a connection is
reset by the peer.
- Corresponds to :c:data:`errno` ``ECONNRESET``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ECONNRESET`.
.. exception:: FileExistsError
Raised when trying to create a file or directory which already exists.
- Corresponds to :c:data:`errno` ``EEXIST``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.EEXIST`.
.. exception:: FileNotFoundError
Raised when a file or directory is requested but doesn't exist.
- Corresponds to :c:data:`errno` ``ENOENT``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ENOENT`.
.. exception:: InterruptedError
@@ -725,7 +725,7 @@ depending on the system error code.
Raised when a file operation (such as :func:`os.remove`) is requested
on a directory.
- Corresponds to :c:data:`errno` ``EISDIR``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.EISDIR`.
.. exception:: NotADirectoryError
@@ -733,23 +733,23 @@ depending on the system error code.
something which is not a directory. On most POSIX platforms, it may also be
raised if an operation attempts to open or traverse a non-directory file as if
it were a directory.
- Corresponds to :c:data:`errno` ``ENOTDIR``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ENOTDIR`.
.. exception:: PermissionError
Raised when trying to run an operation without the adequate access
rights - for example filesystem permissions.
- Corresponds to :c:data:`errno` ``EACCES`` and ``EPERM``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.EACCES` and :py:data:`~errno.EPERM`.
.. exception:: ProcessLookupError
Raised when a given process doesn't exist.
- Corresponds to :c:data:`errno` ``ESRCH``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ESRCH`.
.. exception:: TimeoutError
Raised when a system function timed out at the system level.
- Corresponds to :c:data:`errno` ``ETIMEDOUT``.
+ Corresponds to :c:data:`errno` :py:data:`~errno.ETIMEDOUT`.
.. versionadded:: 3.3
All the above :exc:`OSError` subclasses were added.