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authorMattias Andrée <maandree@operamail.com>2014-08-28 18:30:08 +0200
committerMattias Andrée <maandree@operamail.com>2014-08-28 18:30:08 +0200
commit171f2d6b795768aac7d3b116285abb6e428678bc (patch)
treef004f510592bdb09bf233de0ea4a38cb3bbf9a4b /src/libgamma_error.py
parentadd copying and license (diff)
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libgamma-error, without native binding
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/libgamma_error.py')
-rw-r--r--src/libgamma_error.py415
1 files changed, 415 insertions, 0 deletions
diff --git a/src/libgamma_error.py b/src/libgamma_error.py
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+# -*- python -*-
+'''
+pylibgamma — Python 3 wrapper for libgamma
+Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+'''
+
+
+
+class LibgammaGroupGid:
+ '''
+ Data descriptor for accessing the
+ `libgamma_group_gid` variable
+ '''
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ pass
+
+ def __get__(self, obj, obj_type = None):
+ '''
+ Getter
+ '''
+ pass # TODO read libgamma_group_gid
+
+ def __set__(self, obj, value):
+ '''
+ Setter
+ '''
+ pass # TODO write libgamma_group_gid
+
+group_gid = LibgammaGroupGid()
+'''
+Group that the user needs to be a member of if
+`LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned.
+'''
+
+
+class LibgammaGroupName:
+ '''
+ Data descriptor for accessing the
+ `libgamma_group_name` variable
+ '''
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ pass
+
+ def __get__(self, obj, obj_type = None):
+ '''
+ Getter
+ '''
+ pass # TODO read libgamma_group_name
+
+ def __set__(self, obj, value):
+ '''
+ Setter
+ '''
+ pass # TODO write libgamma_group_name
+
+group_name = LibgammaGroupName()
+'''
+Group that the user needs to be a member of if
+`LIBGAMMA_DEVICE_REQUIRE_GROUP` is returned,
+`None` if the name of the group `group_gid`
+cannot be determined.
+'''
+
+
+def perror(name : str, error_code : int): ## TODO call libgamma_perror
+ '''
+ Prints an error to stderr in a `perror` fashion,
+ however this function will not translate the `libgamma`
+ errors into human-readable strings, it will simply
+ print the name of the error. If the value `error_code`
+ is the value of `LIBGAMMA_ERRNO_SET`, `perror` will be
+ used to print the current error stored in `errno`.
+ If `error_code` is non-negative (an `errno` value`), that
+ value will be stored in `errno` and `perror` will be
+ used to print it. Additionally, if the `error_code` is
+ the value of `LIBGAMMA_DEVICE_REQUIRE_GROUP` the
+ required group will be printed with its numerical value
+ and, if known, its name.
+
+ @param name The text to add at the beginning.
+ @param value The error code, may be an `errno` value.
+ '''
+ pass
+
+
+def name_of_error(value : int) -> str: ## TODO call libgamma_name_of_error
+ '''
+ Returns the name of the definition associated with a `libgamma` error code.
+
+ @param value The error code.
+ @return The name of the definition associated with the error code,
+ `None` if the error code does not exist. The return string
+ should not be `free`:d.
+ '''
+ pass
+
+
+def value_of_error(name : str) -> int: ## TODO call libgamma_value_of_error
+ '''
+ Return the value of a `libgamma` error definition refered to by name.
+
+ @param name The name of the definition associated with the error code.
+ @return The error code, zero if the name does is `None`
+ or does not refer to a `libgamma` error.
+ '''
+ pass
+
+
+
+LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD = -1
+'''
+The selected adjustment method does not exist
+or has been excluded at compile-time.
+'''
+
+LIBGAMMA_ERRNO_SET = -2
+'''
+`errno` has be set with a standard error number
+to indicate the what has gone wrong.
+'''
+
+LIBGAMMA_NO_SUCH_SITE = -3
+'''
+The selected site does not exist.
+'''
+
+LIBGAMMA_NO_SUCH_PARTITION = -4
+'''
+The selected partition does not exist.
+'''
+
+LIBGAMMA_NO_SUCH_CRTC = -5
+'''
+The selected CRTC does not exist.
+'''
+
+LIBGAMMA_IMPOSSIBLE_AMOUNT = -6
+'''
+Counter overflowed when counting the number
+of available items.
+'''
+
+LIBGAMMA_CONNECTOR_DISABLED = -7
+'''
+The selected connector is disabled, it does
+not have a CRTC.
+'''
+
+LIBGAMMA_OPEN_CRTC_FAILED = -8
+'''
+The selected CRTC could not be opened,
+reason unknown.
+'''
+
+LIBGAMMA_CRTC_INFO_NOT_SUPPORTED = -9
+'''
+The CRTC information field is not supported
+by the adjustment method.
+'''
+
+LIBGAMMA_GAMMA_RAMP_READ_FAILED = -10
+'''
+Failed to read the current gamma ramps for
+the selected CRTC, reason unknown.
+'''
+
+LIBGAMMA_GAMMA_RAMP_WRITE_FAILED = -11
+'''
+Failed to write the current gamma ramps for
+the selected CRTC, reason unknown.
+'''
+
+LIBGAMMA_GAMMA_RAMP_SIZE_CHANGED = -12
+'''
+The specified ramp sizes does not match the
+ramps sizes returned by the adjustment methods
+in response to the query/command.
+'''
+
+LIBGAMMA_MIXED_GAMMA_RAMP_SIZE = -13
+'''
+The specified ramp sizes are not identical
+which is required by the adjustment method.
+(Only returned in debug mode.)
+'''
+
+LIBGAMMA_WRONG_GAMMA_RAMP_SIZE = -14
+'''
+The specified ramp sizes are not supported
+by the adjustment method.
+(Only returned in debug mode.)
+'''
+
+LIBGAMMA_SINGLETON_GAMMA_RAMP = -15
+'''
+The adjustment method reported that the gamma
+ramps size is 1, or perhaps even zero or negative.
+'''
+
+LIBGAMMA_LIST_CRTCS_FAILED = -16
+'''
+The adjustment method failed to list
+available CRTC:s, reason unknown.
+'''
+
+LIBGAMMA_ACQUIRING_MODE_RESOURCES_FAILED = -17
+'''
+Failed to acquire mode resources from the
+adjustment method.
+'''
+
+LIBGAMMA_NEGATIVE_PARTITION_COUNT = -18
+'''
+The adjustment method reported that a negative
+number of partitions exists in the site.
+'''
+
+LIBGAMMA_NEGATIVE_CRTC_COUNT = -19
+'''
+The adjustment method reported that a negative
+number of CRTC:s exists in the partition.
+'''
+
+LIBGAMMA_DEVICE_RESTRICTED = -20
+'''
+Device cannot be access becauses of
+insufficient permissions.
+'''
+
+LIBGAMMA_DEVICE_ACCESS_FAILED = -21
+'''
+Device cannot be access, reason unknown.
+'''
+
+LIBGAMMA_DEVICE_REQUIRE_GROUP = -22
+'''
+Device cannot be access, membership of the
+`group_gid` (named by `group_name` (can be
+`None`, if so `errno` may have been set to
+tell why)) is required.
+'''
+
+LIBGAMMA_GRAPHICS_CARD_REMOVED = -23
+'''
+The graphics card appear to have been removed.
+'''
+
+LIBGAMMA_STATE_UNKNOWN = -24
+'''
+The state of the requested information is unknown.
+'''
+
+LIBGAMMA_CONNECTOR_UNKNOWN = -25
+'''
+Failed to determine which connector the
+CRTC belongs to.
+'''
+
+LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED = -26
+'''
+The detected connector type is not listed
+in this library and has to be updated.
+'''
+
+LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED = -27
+'''
+The detected subpixel order is not listed
+in this library and has to be updated.
+'''
+
+LIBGAMMA_EDID_LENGTH_UNSUPPORTED = -28
+'''
+The length of the EDID does not match that
+of any supported EDID structure revision.
+'''
+
+LIBGAMMA_EDID_WRONG_MAGIC_NUMBER = -29
+'''
+The magic number in the EDID does not match
+that of any supported EDID structure revision.
+'''
+
+LIBGAMMA_EDID_REVISION_UNSUPPORTED = -30
+'''
+The EDID structure revision used by the
+monitor is not supported.
+'''
+
+LIBGAMMA_GAMMA_NOT_SPECIFIED = -31
+'''
+The gamma characteristics field in the EDID
+is left unspecified.
+(This could be considered a non-error.)
+'''
+
+LIBGAMMA_EDID_CHECKSUM_ERROR = -32
+'''
+The checksum in the EDID is incorrect, all
+request information has been provided
+by you cannot count on it.
+'''
+
+LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR = -33
+'''
+Both of the errors `LIBGAMMA_GAMMA_NOT_SPECIFIED`
+and `LIBGAMMA_EDID_CHECKSUM_ERROR` have occurred.
+'''
+
+LIBGAMMA_GAMMA_RAMPS_SIZE_QUERY_FAILED = -34
+'''
+Failed to query the gamma ramps size from the
+adjustment method, reason unknown.
+'''
+
+LIBGAMMA_OPEN_PARTITION_FAILED = -35
+'''
+The selected partition could not be opened,
+reason unknown.
+'''
+
+LIBGAMMA_OPEN_SITE_FAILED = -36
+'''
+The selected site could not be opened,
+reason unknown.
+'''
+
+LIBGAMMA_PROTOCOL_VERSION_QUERY_FAILED = -37
+'''
+Failed to query the adjustment method for
+its protocol version, reason unknown.
+'''
+
+LIBGAMMA_PROTOCOL_VERSION_NOT_SUPPORTED = -38
+'''
+The adjustment method's version of its
+protocol is not supported.
+'''
+
+LIBGAMMA_LIST_PARTITIONS_FAILED = -39
+'''
+The adjustment method failed to list
+available partitions, reason unknown.
+'''
+
+LIBGAMMA_NULL_PARTITION = -40
+'''
+Partition exists by index, but the partition
+at that index does not exist.
+'''
+
+LIBGAMMA_NOT_CONNECTED = -41
+'''
+There is not monitor connected to the
+connector of the selected CRTC.
+'''
+
+LIBGAMMA_REPLY_VALUE_EXTRACTION_FAILED = -42
+'''
+Data extraction from a reply from the
+adjustment method failed, reason unknown.
+'''
+
+LIBGAMMA_EDID_NOT_FOUND = -43
+'''
+No EDID property was found on the output.
+'''
+
+LIBGAMMA_LIST_PROPERTIES_FAILED = -44
+'''
+Failed to list properties on the output,
+reason unknown.
+'''
+
+LIBGAMMA_PROPERTY_VALUE_QUERY_FAILED = -45
+'''
+Failed to query a property's value from
+the output, reason unknown.
+'''
+
+LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED = -46
+'''
+A request for information on an output
+failed, reason unknown.
+'''
+
+
+LIBGAMMA_ERROR_MIN = -46
+'''
+The number of the libgamma error with the
+lowest number. If this is lower than the
+number your program thinks it should be sould
+update your program for new errors.
+'''
+