pymel.core.system.dbpeek¶

dbpeek(*args, **kwargs)¶

The dbpeekcommand is used to analyze the Maya data for information of interest. See a description of the flags for details on what types of things can be analyzed.

Flags:

Long Name / Short Name		Argument Types
`allObjects` / `all`		bool
	Ignore any specified or selected objects and peek into all applicable objects. The definition of allObjectswill vary based on the peek operation being performed - see the flag documentation for details on what it means for a given operation. By default if no objects are selected or specified then it will behave as though this flag were set.
`argument` / `a`		unicode
	Specify one or more arguments to be passed to the operation. The acceptable values for the argument string are documented in the flag to which they will be applied. If the argument itself takes a value then the value will be of the form argname=argvalue.
`count` / `c`		int
	Specify a count to be used by the test. Different tests make different use of the count, query the operation to find out how it interprets the value. For example a performance test might use it as the number of iterations to run in the test, an output operation might use it to limit the amount of output it produces.
`evaluationGraph` / `eg`		bool
	Ignore any nodes that are not explicitly part of the evaluation graph. Usually this means nodes that are affected either directly or indirectly by animation. May also tailor the operation to be EM-specific in the areas where the structure of the DG differs from the structure of the EM, for example, plug configurations. This is a filter on the currently selected nodes, including the use of the allObjectsflag.
`operation` / `op`		unicode
	Specify the peeking operation to perform. The various operations are registered at run time and can be listed by querying this flag without a value. If you query it with a value then you get the detail values that peek operation accepts and a description of what it does. In query mode, this flag can accept a value.
`outputFile` / `of`		unicode
	Specify the location of a file to which the information is to be dumped. Default will return the value from the command. Use the special names stdoutand stderrto redirect to your command window. The special name msdevis available when debugging on Windows to direct your output to the debug tab in the output window of Visual Studio. Flag can have multiple arguments, passed either as a tuple or a list.

Derived from mel command maya.cmds.dbpeek

Example:

import pymel.core as pm

import maya.cmds as cmds
// Find the available peek operations
pm.dbpeek( op=True, query=True )
# Return: ['metadata', 'nodes', 'references', 'plugIterator'] #
// Describe the detail of a single available type
pm.dbpeek( query=True, op='nodes' )
# Return: 'The operation 'nodes' understands type flags 'attributes, visible'.
The 'visible' flag filters the display list to ignore any hidden
or internal nodes. Default is to show all nodes
Normal display will show a count of nodes in the scene of each
type. Adding the 'attributes' flag includes the attribute count
for each node as well, segregated by static, extension, and dynamic types.
'#
# Describe the detail of a single available operation
pm.dbpeek( query=True, op='plugIterator' )
# Return: 'The test 'plugIterator' doesn't have any type flags.
Suggested iteration count minimum is 1000000 for which the test machine
measured a time of 19.234s.
This tests the performance of the class which iterates over all of the
networked plugs in a plug tree.
'#
pm.dbpeek( op='plugIterator', count=10000 )
# Return: 'Run 10,000 loops of plug iteration over a tree of size 51, depth 4
Total time:   17.0s
Maximum time: 0.81s
Minimum time: 0.23s
Average time: 0.30s
'#
# Run a performance test for 1000000 loops and store the results
pm.dbpeek( op='plugIterator', count=1000000, outputFile='MyFile.txt' )
# Return: 0 #
pm.loadPlugin( 'MetadataSample' )
pm.polyPlane( name='planeLuck' )
pm.dataStructure( asString='name=TestStructure:int32=ID )
pm.importMetadata( asString='channel face\n stream\n TestStream\n TestStructure\n 0\n 99\n 1\n 999\n 2\n 9999\n endStream\n endChannel\n endAssociations" "planeLuckShape' )
# Peek at the newly created metadata
#
pm.dbpeek( op='metadata', type='summary' )
# Return: 'Node planeLuckShape : face( TestStream[3] )' #