I thought some of these example tips I made may be helpful. There probably are lots of bugs in them but they show examples ranging from adding a label to an image (convert), to opening up a Maya file from the command line (standalone).
cheers,
Nate
#================================================================= images and convert
##@file image.py
#
#(Tested Maya 2008)
#
#@author Nathaniel Anozie
#
#@note Inpired By James Parks (arcsecond dot net) for learning about unix image calls in python
#
#@note Inpired By Nicklas Puetz (nicklaspuetz dot blogspot dot com) for learning file handling tips
#
#@defgroup image Image Editing tools
#@{
#ex: add a label to an image
##
import os
#import re
##add the label specified to a duplicate of the input image name and save it in same directory as input image
#
##
def addLabel( file = '/Users/noa/Desktop/temp/picture.png', camLabel = 'CAM_AS_0001', frameLabel = '00000' ):
#compute output labeled image name using source image and source directory
filePath, fileName = os.path.split(file)
filePrefix,ext = os.path.splitext(fileName)
labeledImage = filePrefix+'Out'+ext #adding a simple suffix to source image name to give output name
labeledImagePath = filePath+'/'+labeledImage
print 'Great this is the labeled image path %s \n' %labeledImagePath
if os.path.isdir(filePath) & ( os.path.exists(labeledImagePath) == False ):
print 'Great Found Directory >> %s and found no File at Output path >> %s \n' %(filePath,labeledImagePath)
if os.path.isfile(file):
#this does the adding of label and saving new image out
os.system( 'convert '+file+' -background white -fill black \
-font Courier -pointsize 24 label:'+camLabel+' -gravity center -append'+' '+labeledImagePath )
else:
print 'Requires file exist >>%s \n' %file
else:
print 'Requires Directory >> %s and no File at Output path >> %s \n' %(filePath,labeledImagePath)
##makes a camera and frame label at specified path, defaults to fixed labels
#
#@bug limited error checking for overwriting existing image
##
def makeLabel( file = '/Users/noa/Desktop/temp/picture.png', camLabel = '/Users/noa/Desktop/temp/cam.png', frameLabel = '/Users/noa/Desktop/temp/frame.png' ):
camFilePath, camFileName = os.path.split(camLabel)
frameFilePath, frameFileName = os.path.split(frameLabel)
if os.path.isdir(camFilePath) & os.path.isdir(frameFilePath):
print 'Great Found Directory %s %s' %(camFilePath,frameFilePath)
#os.path.isfile(path)
#os.path.isdir(path)
if ( os.path.exists(camLabel) == False ) & ( os.path.exists(frameLabel) == False ) :
print('Great Day Not overwriting Files\n')
#camera label
cameraPrefix = 'CAM'
sceneLabel = 'AS'
cameraNumber = '0001'
cameraVersion = ''
os.system( 'convert -background white -fill black \
-font Courier -pointsize 24 label:'+cameraPrefix+'_'+sceneLabel+'_'+cameraNumber+cameraVersion+' '+camLabel )
#frame label
frameNumber = '00000'
os.system( 'convert -background white -fill black \
-font Courier -pointsize 24 label:'+frameNumber+' '+frameLabel )
else:
print 'Requires Files to Not Exist %s %s' %(camLabel,frameLabel)
else:
print 'Requires Directory Exist %s %s' %(camFilePath,frameFilePath)
##
#@}
##
#=================================================================
#================================================================= filter and os.walk for finding files
##@file getFile.py
#
#(Tested Maya 2008)
#
#@author Nathaniel Anozie
#
##
##given a directory print all the maya files, note it will look in all sub directories of that directory to
#
#@note inspired by Alex Martelli's example on recursive file searching (aleax dot it)
#
##
def getAllFileInDirectory(d = '/Users/noa/Desktop/temp', ext = '*.ma'):
import os,fnmatch
#hold all the file names
result = []
if os.path.isdir(d):
print 'Great Found Directory >> %s\n' %d
#files = os.listdir(d)
for base, dirs, files in os.walk(d):
#print good files only, files with proper extension
mayaFiles = fnmatch.filter( files, ext )
#add a good files to result
result.extend( os.path.join(base,f) for f in mayaFiles )
else:
print 'Requires Directory >> %s' %d
return result
#=================================================================
#================================================================= opening a maya file from command line
#!/usr/bin/python
##print skinned geometry
#@note insired by Matt Estela examples on using getopt and option arguments (tokeru dot com)
##
def bindGeo():
import maya.mel, maya.cmds
#find skinned geometry
suffix = 'geo'
#find un_skinned geometry
noSkinGeo = 'finalGeo'
skinnedGeo = []
try:
maya.cmds.select('*_'+suffix)
except TypeError:
print 'Requires geometry with suffix>>%s' %suffix
skinnedGeo = maya.cmds.ls(selection=True)
for obj in skinnedGeo:
skinCluster = maya.mel.eval('findRelatedSkinCluster'+' '+obj)
print 'Great found skinned geo and skinCluster >>%s >>%s' %(obj,skinCluster)
influences = []
try:
influences = maya.cmds.skinCluster(skinCluster,q=True,inf=True)
print 'influences for >>%s and skinCluster >>%s' %(obj,skinCluster)
for inf in influences:
print inf
print 'influences >>'
except TypeError:
print 'Requires skinCluster to query influences>>%s' %skinCluster
def usage():
print "usage: bindGeo [-f|--file]"
print "-f,--file find bound geometry in "
def main():
import getopt,sys
try:
opts, args = getopt.getopt(sys.argv[1:], "hf:", ["help","file="])
except getopt.GetoptError, err:
#print help info and exit
print str(err)
usage()
sys.exit(2)
file = '/Users/noa/Desktop/temp/sphere.ma'
for o, a in opts:
if o in ("-h","--help"):
usage()
sys.exit()
elif o in ("-f","--file"):
file = a
bindGeo()
if __name__ == '__main__':
import maya.standalone
maya.standalone.initialize(name="python")
print 'current _name is: '+__name__
main()
#=================================================================
#================================================================= making a maya file from command line
#!/usr/bin/python
def makeSphere(f = '/Users/noa/Desktop/temp/sphere.ma'):
import os,sys
import maya.standalone, maya.cmds #$MAYA_LOCATION/bin/mayapy makeSphere.py
#needed instead of python makeSphere.py so can find maya modules
#doing this so dont overwrite a directory or file etc
filePath, fileName = os.path.split(f)
#make sure have a maya file were writing to
fileBaseName, fileExtension = os.path.splitext(fileName)
if os.path.isdir(filePath) & (fileExtension == '.ma'):
print 'Great Found Directory >> %s\n' %filePath
if not os.path.isfile(f):
print 'making sphere in maya\n'
try:
maya.standalone.initialize(name='python')
except:
sys.stderr.write("Failed Initialize Maya standalone application")
raise
print 'Great Were inside of Maya\n'
#put inside of maya code here
#
#make a sphere
maya.cmds.polySphere()
#create a new maya file
maya.cmds.file(rename=f)
maya.cmds.file(save=True,type='mayaAscii')
else:
print '--skipping file already exists >> %s' %f
else:
print 'Requires Directory >> %s' %filePath
print 'Requires .ma >> %s' %fileName
def usage():
print "usage: makeSphere [-f|--file]"
print "-f,--file save sphere in "
def main():
import getopt, sys
try:
opts, args = getopt.getopt(sys.argv[1:], "hf:", ["help","file="])
except getopt.GetoptError, err:
#print help info and exit
print str(err)
usage()
sys.exit(2)
file = '/Users/noa/Desktop/temp/sphere.ma'
for o, a in opts:
if o in ("-h","--help"):
usage()
sys.exit()
elif o in ("-f","--file"):
file = a
makeSphere(file)
if __name__ == '__main__':
print 'current _name is: '+__name__
main()
#=================================================================
#=================================================================parsing a string ideas
##@file parse.py
#
#@author Nathaniel Anozie
#
#@note inpspired by Matt Estela (tokeru dot com) for learning about ValueError exception with dictionaries
#
#@defgroup parse Parse A formatted string
#@{
#Ex: parsing a camera and frame name format etc
##
def parseCamera_unitTest():
parseCamera()
##parse a form of name like cameraName_cameraAttribute_frameNumber_value and print parsed argument
#
##
def parseCamera( name = ['camera1_translateX_00000_1.0','camera1_translateX_00001_1.0',
'camera1_translateY_00000_5.0','camera1_translateY_00001_10.0',
'camera2_translateX_00000_1.0','camera2_translateX_00001_1.0',
'camera2_translateY_00000_5.0','camera2_translateY_00001_10.0'] ):
#print name[0]
for arg in name:
try:
camera, attribute, frame, value = arg.split("_")
print 'cam >> %s attribute >> %s frame >> %s value >> %s' %(camera,attribute,frame,value)
except ValueError:
print '--skipping cannot parse data %s\n' %arg
##
#@}
##
#=================================================================
#================================================================= open maya file in command line simple example
#!/usr/bin/python
#@note Inspired by Justin Israel (justinfx dot com) for learning more about Maya standalone
##move camera in currently open file
#
##
def moveCam(filename='/Users/noa/Desktop/temp/sphere.ma', assetSuffix = 'cam', tx = 10.0):
import maya.cmds
#open the maya file here in the function
#except if cannot open file
try:
maya.cmds.file(filename,o=True)
except RuntimeError:
print 'Require file exist >>%s' %filename
cam = []
try:
maya.cmds.select('*_'+assetSuffix)
except TypeError:
print 'Requires geometry with assetSuffix>>%s' %assetSuffix
cam = maya.cmds.ls(selection=True)
for obj in cam:
try:
print 'Great Found Camera >>%s' %obj
#move camera
maya.cmds.select(obj,replace=True)
maya.cmds.move(tx,0.0,0.0,obj,x=True,y=True,z=True,relative=True,worldSpace=True)
except TypeError:
print 'Requires camera>>%s' %obj
#save file on each change
maya.cmds.file(s=True,f=True)
if __name__ == '__main__':
import maya.standalone
maya.standalone.initialize(name="python")
import sys
print "Args:",sys.argv[1:]
files = ['/Users/noa/Desktop/temp/sphere.ma','/Users/noa/Desktop/temp/sphere1.ma','/Users/noa/Desktop/temp/sphere3.ma']
for f in files:
moveCam(f)
#=================================================================
