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Glib IO Condition Constants Glib Priority Constants Glib Spawn Flag Constants Glib User Directory Constants Glib Version Constants

Description

Glib IO Condition Constants

The IO Condition constants are a set of bit-flags that specify a condition to watch for on an event source.

glib.IO_IN

There is data to read

glib.IO_OUT

Data can be written (without blocking).

glib.IO_PRI

There is urgent data to read.

glib.IO_ERR

Error condition.

glib.IO_HUP

Hung up (the connection has been broken, usually for pipes and sockets).

glib.IO_NVAL

Invalid request. The file descriptor is not open.

Glib Priority Constants

The Priority constants specify

glib.PRIORITY_HIGH

Use this for high priority event sources.

glib.PRIORITY_DEFAULT

Use this for default priority event sources. This priority is used when adding timeout functions with the glib.timeout_add() function. This priority is also used for events from the X server.

glib.PRIORITY_HIGH_IDLE

Use this for high priority idle functions. For example, glib.PRIORITY_HIGH_IDLE + 10 is used for resizing operations; and, glib.PRIORITY_HIGH_IDLE + 20, for redrawing operations. (This is done to ensure that any pending resizes are processed before any pending redraws, so that widgets are not redrawn twice unnecessarily.)

glib.PRIORITY_DEFAULT_IDLE

Use this for default priority idle functions. This priority is used when adding idle functions with the glib.idle_add() function.

glib.PRIORITY_LOW

Use this for very low priority background tasks.

Glib Spawn Flag Constants

The Spawn Flag constants are a set of bit-flags that can be passed to the glib.spawn_async() function.

glib.SPAWN_LEAVE_DESCRIPTORS_OPEN

the parent's open file descriptors will be inherited by the child; otherwise all descriptors except stdin/stdout/stderr will be closed before calling exec() in the child.

glib.SPAWN_DO_NOT_REAP_CHILD

the child will not be automatically reaped; you must call waitpid() or handle SIGCHLD yourself, or the child will become a zombie.

glib.SPAWN_SEARCH_PATH

argv[0] need not be an absolute path, it will be looked for in the user's PATH.

glib.SPAWN_STDOUT_TO_DEV_NULL

the child's standard output will be discarded, instead of going to the same location as the parent's standard output.

glib.SPAWN_STDERR_TO_DEV_NULL

the child's standard error will be discarded.

glib.SPAWN_CHILD_INHERITS_STDIN

the child will inherit the parent's standard input (by default, the child's standard input is attached to /dev/null).

glib.SPAWN_FILE_AND_ARGV_ZERO

the first element of argv is the file to execute, while the remaining elements are the actual argument vector to pass to the file. Normally glib.spawn_async() uses argv[0] as the file to execute, and passes all of argv to the child.

Glib User Directory Constants

The User Directory constants are integer values that are currently used only as arguments to glib.get_user_special_dir() function. See function documentation for details.

glib.USER_DIRECTORY_DESKTOP

the user's Desktop directory

glib.USER_DIRECTORY_DOCUMENTS

the user's Documents directory

glib.USER_DIRECTORY_DOWNLOAD

the user's Downloads directory

glib.USER_DIRECTORY_MUSIC

the user's Music directory

glib.USER_DIRECTORY_PICTURES

the user's Pictures directory

glib.USER_DIRECTORY_PUBLIC_SHARE

the user's shared directory

glib.USER_DIRECTORY_TEMPLATES

the user's Templates directory

glib.USER_DIRECTORY_VIDEOS

the user's Movies directory

Glib Version Constants

The Version constants specify the version of Glib used by PyGObject as a 3-tuple containing the major, minor and patch release numbers.

glib.glib_version

A 3-tuple containing (major, minor, patch) release numbers of glib.

glib.pyglib_version

A 3-tuple containing (major, minor, patch) release numbers of the python bindings.