ldtcommon代码：
"""
.. module:: ldtcommon
:synopsis: Constants and templates non dcc specific used in other packages.
.. moduleauthor:: Ezequiel Mastrasso
"""
import lucidity
import logging
import os
logger = logging.getLogger(__name__)
LOOKDEVTOOLS_FOLDER = os.environ['LOOKDEVTOOLS']
#: Attributes for tagging meshes for surfacing and texture-to-mesh matching
ATTR_SURFACING_PROJECT = "surfacing_project"
ATTR_SURFACING_OBJECT = "surfacing_object"
#: Attribute for tagging Materials. Values: name of assigned project or object
ATTR_MATERIAL = "surfacing_material"
#: Attribute for tagging material assignmnents. Values: 'project' or 'object']
ATTR_MATERIAL_ASSIGN = "surfacing_assign"
#: Attribute for tagging viewport material. Values: 'color' or 'pattern']
ATTR_MATERIAL_VP = "surfacing_vp"
#: Global string matching ratios to compare strings against lucidity parsed files.
#: Notice that the ratio constant should be high enough,
TEXTURE_MATCHING_RATIO = 90
TEXTURE_CHANNEL_MATCHING_RATIO = 90
#: Texture file template, ANCHOR RIGHT
TEXTURE_FILE_PATTERN = '{surfacing_project}_{surfacing_object}_{channel}_{colorspace}.{udim}.{extension}'
#: Default shader node to use
DEFAULT_SHADER = 'PxrSurface'
#: Materials json Config, contains texture name mappings to shader plugs
CONFIG_MATERIALS_JSON = os.path.join(
os.environ['LOOKDEVTOOLS'], 'python', 'ldtconfig', 'materials.json')
def texture_file_template(custom_pattern=None):
"""
Get a lucidity Template object using a custom template.
Kwargs:
custom_pattern (str): Custom lucidity file pattern.
Returns:
lucity.Template object with the custom partern
"""
logger.info('Loading lucidity with:\n %s' % custom_pattern)
texture_file_template = lucidity.Template(
'textureset_element',
custom_pattern,
anchor=lucidity.Template.ANCHOR_END
# TODO (Eze) Add STRICT?
)
return texture_file_template
ldtmaya代码：
"""
.. module:: ldtmaya
:synopsis: general maya functions.
.. moduleauthor:: Ezequiel Mastrasso
"""
import ldtcommon
import ldtutils
from ldtcommon import ATTR_SURFACING_PROJECT
from ldtcommon import ATTR_SURFACING_OBJECT
from ldtcommon import ATTR_MATERIAL
from ldtcommon import ATTR_MATERIAL_ASSIGN
from ldtcommon import ATTR_MATERIAL_VP
from ldtui import qtutils
from Qt import QtGui, QtWidgets, QtCore
from Qt.QtWidgets import QApplication, QWidget, QLabel, QMainWindow
import os
import sys
import traceback
import random
import logging
import pymel.core as pm
import maya.mel as mel
import maya.cmds as mc
logger = logging.getLogger(__name__)
def surfacingInit():
"""
Initialize the scene for surfacing projects.
Creates the surfacing root, an empty surfacing project
and object, and runs the validation to create and
connect the partition
Returns:
bool. Valid scene.
"""
root = create_surfacing_root()
if not root.members:
surfacing_project = create_surfacing_project("defaultProject")
create_surfacing_object(surfacing_project, "defaultObject")
validate_surfacing()
def create_surfacing_root_node():
"""Create projects root node"""
surfacing_root = pm.createNode(
"objectSet", name="surfacing_root"
)
surfacing_root.setAttr(
"surfacing_root", "", force=True
)
return surfacing_root
def create_surfacing_root():
"""Create projects root if it doesnt exist."""
if not get_surfacing_root():
surfacing_root = get_surfacing_root()
return surfacing_root
else:
return get_surfacing_root()
def create_surfacing_project(name=None):
"""
Creates a surfacing project.
Kwargs:
name (str): surfacing project name
"""
if not name:
name = "project"
surfacing_project = pm.createNode(
"objectSet", name=name
)
surfacing_project.setAttr(
ATTR_SURFACING_PROJECT, "", force=True
)
create_surfacing_object(surfacing_project)
get_surfacing_root().add(surfacing_project)
update_surfacing_partition()
return surfacing_project
def create_surfacing_object(project, name=None):
"""
Creates a surfacing Object under a given project.
Args:
project (PyNode): surfacing project
Kwargs:
name (str): surfacing object name
"""
if not name:
name = "object"
surfacing_set = pm.createNode(
"objectSet", name=name
)
surfacing_set.setAttr(
ATTR_SURFACING_OBJECT, "", force=True
)
project.add(surfacing_set)
return surfacing_set
def get_surfacing_root():
"""
Get the project root node.
Returns:
PyNode. Surfacing root node
Raises:
Exception.
"""
objSetLs = [
item
for item in pm.ls(type="objectSet")
if item.hasAttr("surfacing_root")
]
if len(objSetLs) == 0:
logger.info(
"surfacing_root node found, creating one"
)
return create_surfacing_root_node()
elif len(objSetLs) > 1:
raise Exception(
"More than 1 surfacing_root node found, clean up your scene"
)
return objSetLs[0]
def get_surfacing_projects():
"""
Get all surfacing Projects under the root.
Returns:
list. surfacing projects PyNodes list.
"""
objSetLs = [
item
for item in pm.ls(type="objectSet")
if item.hasAttr(ATTR_SURFACING_PROJECT)
]
return objSetLs
def get_surfacing_project_by_name(name=None):
"""
Get surfacing Project by name.
Kwargs:
name (str): surfacing project name.
Returns:
PyNode. Returns first found hit, we are assuming the objectSet name is
equal to surfacing_project attr value.
"""
projects_list = get_surfacing_projects()
for each in projects_list:
if name == each.name():
return each
return None
def get_surfacing_object_by_name(name=None):
"""
Get surfacing Object by name.
Kwargs:
name (str): surfacing object name.
Returns:
PyNode. Returns first found hit, we are assuming the objectSet name is
equal to surfacing_object attr value.
"""
projects_list = get_surfacing_projects()
for prj in projects_list:
objs = get_surfacing_objects(prj)
for obj in objs:
if name == obj.name():
return obj
return None
def delete_surfacing_project(project):
"""
Delete a surfacing_project, and its members.
Args:
project (PyNode): surfacing project.
"""
if is_surfacing_project(project):
pm.delete(project.members())
def get_surfacing_objects(project):
"""
Get all surfacing Objects under the given surfacing project
Args:
project (PyNode): surfacing project
"""
if is_surfacing_project(project):
return project.members()
else:
return []
def is_surfacing_project(project):
"""
Check if the node is a surfacing project
Args:
project (PyNode): surfacing project
Returns:
bool. True if it is.
"""
if project.hasAttr(ATTR_SURFACING_PROJECT):
return True
else:
return False
def is_surfacing_object(surfacing_object):
"""
Check if node is surfacing Object
Args:
surfacing_object (PyNode): surfacing_object
"""
if surfacing_object.hasAttr(ATTR_SURFACING_OBJECT):
return True
else:
return False
def remove_surfacing_invalid_members():
"""
Pops all not-allowd member types from surfacing projects and objects.
Only Allowed types:
objectSets (surfacing_projects) inside the surfacing projects root
objectSets (surfacing_object) inside surfacing projects
transforms (that have a mesh) inside surfacing_object
"""
project_root = get_surfacing_root()
for project in project_root.members():
if (
not project.type() == "objectSet"
): # TODO (eze) add check for attr
project_root.removeMembers([project])
for project in get_surfacing_projects():
for object in get_surfacing_objects(
project
): # TODO (eze) add check for attr
if not object.type() == "objectSet":
project.removeMembers([object])
else:
for member in object.members():
if not member.type() == "transform":
logger.info(
"removing invalid member: %s"
% member
)
object.removeMembers([member])
elif not member.listRelatives(
type="mesh"
):
logger.info(
"removing invalid member: %s"
% member
)
object.removeMembers([member])
def get_mesh_transforms(object_list):
# TODO move to common
"""
Get all the mesh shapes transforms.
Includes all descendants in hierarchy.
Args:
object_list (list): PyNode list of nodes.
"""
shapes_in_hierarchy = pm.listRelatives(
object_list,
allDescendents=True,
path=True,
f=True,
type="mesh",
)
shapes_transforms = pm.listRelatives(
shapes_in_hierarchy, p=True, path=True, f=True
)
return shapes_transforms
def add_member(surfacing_object, transform):
# TODO move to common
"""
Add transform to surfacing Object
Args:
surfacing_object (PyNode): surfacing object
transform (PyNode): transform node
"""
pm.sets(surfacing_object, transform, fe=True)
def add_mesh_transforms_to_surfacing_object(
surfacing_object, object_list
):
"""
Add all mesh shape transforms -and descendants- from the list to a
surfacing Object.
Args:
surfacing_object (PyNode): surfacing object
object_list (list): object list
"""
pm.select()
if is_surfacing_object(surfacing_object):
for item in object_list:
# Disconnect the objects from other Surf proj and obj
for c in item.instObjGroups.listConnections(c=True, p=True):
if is_surfacing_object(c[1].node()) or is_surfacing_project(c[1].node()):
logger.info(
"disconnecting from Surf project or obj: %s" % c[1].node()
)
pm.disconnectAttr("%s"%c[0], "%s"%c[1])
for transform in get_mesh_transforms(item):
pm.select(transform)
add_member(surfacing_object, transform)
def update_surfacing_partition():
"""Recreate the partition node, and reconnects to all the surfacing
objects objectSets."""
partitions = [
item
for item in pm.ls(type="partition")
if item.hasAttr("surfacing_partition")
]
for each in partitions:
logger.info(
"disconnecting existing partition: %s" % each
)
each.sets.disconnect()
pm.delete(each)
logger.info("deleted partition")
surfacing_partition = pm.createNode(
"partition", name="surfacing_partition"
)
logger.info(
"partition created: %s" % surfacing_partition
)
surfacing_partition.setAttr(
"surfacing_partition", "", force=True
)
for project in get_surfacing_projects():
for object in get_surfacing_objects(project):
pm.connectAttr(
"%s.partition" % object,
surfacing_partition.sets,
na=True,
)
logger.info(
"partition connected: %s " % object
)
def remove_invalid_characters():
"""Remove not allowed characters from surfacing projects and names
like '_'."""
project_root = get_surfacing_root()
surfacing_projects = get_surfacing_projects()
#invalid_character = '_'
invalid_character = '*'
for project in surfacing_projects:
if invalid_character in project.name():
project.rename(project.name().replace(invalid_character, ''))
logger.info(
'Invalid character removed from surfacing_project,'
'new name: %s' % project)
for surfacing_object in get_surfacing_objects(project):
if invalid_character in surfacing_object.name():
surfacing_object.rename(
surfacing_object.name().replace(invalid_character, ''))
logger.info(
'Invalid characters removed from surfacing_object,'
'new name: %s' % surfacing_object)
def validate_surfacing():
"""
Validate the scene.
Removes invalidad characters and members, updates the partition,
and mesh attributes.
"""
remove_invalid_characters()
remove_surfacing_invalid_members()
update_surfacing_partition()
update_surfacing_attributes()
def export_alembic(geo_list, file_path):
"""
Export alembic file from the object list.
Args:
geo_list (list): list of geometry to export
file_path (str): export file path
"""
if geo_list and file_path:
roots = " -root |" + " -root |".join(
[str(x) for x in geo_list]
)
cmd = (
r'-frameRange 0 0 -uvWrite -dataFormat ogawa '
r'-userAttrPrefix surfacing' +
roots + ' -file ' + (file_path)
)
logger.info("AbcExport: %s" % cmd)
mc.AbcExport(j=cmd)
logger.info(
"Succesful Alembic export to: %s" % file_path
)
def merge_surfacing_object_meshes(surfacing_object):
"""
Merge all the meshs assigned to a surfacing Object.
Args:
surfacing_object (PyNode): surfacing object
Raises:
BaseException. Could not merge member meshes.
"""
try:
members = surfacing_object.members()
logger.info("Merging members: %s" % members)
geo_name = "%s_geo" % str(surfacing_object)
if len(members) > 1:
geo = pm.polyUnite(*members, n=geo_name)
return geo[0]
else:
logger.info(
"single object found, skipping merge: %s"
% members[0]
)
members[0].rename(geo_name)
pm.parent(members[0], world=True)
return members[0]
except BaseException:
logger.error(
"Could not merge members of: %s"
% surfacing_object
)
return False
def export_surfacing_project(project, subdiv_level=0, single_export=True, folder_path=False):
"""
Export surfacing Project to Alembic.
Args:
project (PyNode): surfacing project
Kwargs:
single_export (bool): is single export
folder_path (str): Export folder path
"""
current_file = pm.sceneName()
if single_export:
save_unsaved_scene_()
if not folder_path:
folder_path = qtutils.get_folder_path()
project_geo_list = []
if ldtutils.is_directory(folder_path) and is_surfacing_project(project):
for each in get_surfacing_objects(project):
merged_geo = merge_surfacing_object_meshes(each)
if merged_geo:
project_geo_list.append(merged_geo)
if project_geo_list:
if subdiv_level:
for geo in project_geo_list:
logger.info(
"subdivision level: %s" % subdiv_level
)
logger.info(
"subdividing merged members: %s"
% geo
)
# -mth 0 -sdt 2 -ovb 1 -ofb 3 -ofc 0 -ost 0 -ocr 0 -dv 3
# -bnr 1 -c 1 -kb 1 -ksb 1 -khe 0 -kt 1 -kmb 1 -suv 1
# -peh 0 -sl 1 -dpe 1 -ps 0.1 -ro 1 -ch 1
pm.polySmooth(
geo, mth=0, sdt=2, ovb=1,
dv=subdiv_level
)
export_file_path = os.path.join(
folder_path, str(project) + ".abc"
)
export_alembic(project_geo_list, export_file_path)
export_surfacing_object_dir = os.path.join(
folder_path, str(project)
)
ldtutils.create_directoy(export_surfacing_object_dir)
for geo in project_geo_list:
export_root = " -root |" + geo
export_surfacing_object_path = os.path.join(
export_surfacing_object_dir
+ "/"
+ geo
+ ".abc"
)
export_alembic(
[geo], export_surfacing_object_path
)
if single_export:
pm.openFile(current_file, force=True)
def export_all_surfacing_projects(folder_path=None, subdiv_level=0):
"""
Export all surfacing Projects.
Kwargs:
folder_path (str): folder to export files.
"""
save_unsaved_scene_()
if not folder_path:
folder_path = qtutils.get_folder_path()
current_file = pm.sceneName()
for project in get_surfacing_projects():
export_surfacing_project(
project, subdiv_level, single_export=False, folder_path=folder_path
)
pm.openFile(current_file, force=True)
return True
def save_unsaved_scene_():
# TODO move to common
"""Check the scene state, if modified, will ask the user to save it."""
if unsaved_scene():
if save_scene_dialog():
pm.saveFile(force=True)
else:
raise ValueError("Unsaved changes")
def update_surfacing_attributes():
"""
Create attributes on meshes of what surfacing object they are assigned to.
Adds the attributes to all the shapes transforms assigned to surfacing
objects. This will be used later for quick shader/material creation and
assignment.
"""
for project in get_surfacing_projects():
project.setAttr(ATTR_SURFACING_PROJECT, project)
logger.info(
"Updating attributes for project: %s" % project
)
for surfacing_object_set in get_surfacing_objects(project):
logger.info(
"\tUpdating attributes for object texture set: %s"
% surfacing_object_set
)
surfacing_object_set.setAttr(
ATTR_SURFACING_OBJECT, surfacing_object_set
)
members = surfacing_object_set.members()
logger.info(
"\t\tUpdating attr for meshes: %s" % members
)
for member in members:
member.setAttr(
ATTR_SURFACING_PROJECT,
project.name(),
force=True,
)
member.setAttr(
ATTR_SURFACING_OBJECT,
surfacing_object_set.name(),
force=True,
)
def set_wifreframe_color_black():
"""Set the wireframe color to black in all mesh objects."""
transforms = pm.ls(type="transform")
shape_transforms = get_mesh_transforms(transforms)
for mesh in shape_transforms:
mesh_shape = mesh.getShape()
mesh_shape.overrideEnabled.set(1)
mesh_shape.overrideRGBColors.set(0)
mesh_shape.overrideColor.set(1)
def set_wifreframe_color_none():
"""Remove the wireframe color in all mesh objects."""
transforms = pm.ls(type="transform")
shape_transforms = get_mesh_transforms(transforms)
for mesh in shape_transforms:
mesh_shape = mesh.getShape()
mesh_shape.overrideEnabled.set(0)
def set_wireframe_colors_per_project():
"""
Set the wireframe color per surfacing project.
For all meshes, sets it to black to start with,
this implies that the mesh has not be assigned
to any surfacing object yet will show black in the VP
"""
set_wifreframe_color_black()
projects = get_surfacing_projects()
for project in projects:
random.seed(project)
wire_color = random.randint(1, 31)
for surfacingObject in get_surfacing_objects(project):
for mesh in surfacingObject.members():
mesh_shape = mesh.getShape()
try:
mesh_shape.overrideEnabled.set(1)
mesh_shape.overrideRGBColors.set(0)
mesh_shape.overrideColor.set(wire_color)
except:
logger.error('Could not set override color for: %s, might '
'belong to a display layer'
% mesh
)
def set_wireframe_colors_per_object():
"""
Set the wireframe color per surfacing object.
For all meshes, sets it to black to start with,
this implies that the mesh has not be assigned
to any surfacing object yet will show black in the VP
"""
set_wifreframe_color_black()
projects = get_surfacing_projects()
print projects
for project in projects:
for surfacingObject in get_surfacing_objects(project):
for mesh in surfacingObject.members():
mesh_shape = mesh.getShape()
try:
mesh_shape.overrideEnabled.set(1)
mesh_shape.overrideRGBColors.set(1)
mesh_shape.overrideColorRGB.set(
ldtutils.get_random_color(surfacingObject)
)
except:
logger.error('Could not set override color for: %s, might '
'belong to a display layer'
% mesh
)
def set_materials_per_object(shader_type):
"""Create a material per surfacing project and assigns it"""
delete_materials()
projects = get_surfacing_projects()
for project in projects:
for obj in get_surfacing_objects(project):
shader, shading_group = create_shader(
type=shader_type)
pm.select(obj)
meshes = pm.ls(sl=True)
pm.sets(shading_group, forceElement=meshes)
pm.select(None)
if shader_type == 'aiStandardSurface':
shader.baseColor.set(
ldtutils.get_random_color(obj)
)
else:
shader.color.set(
ldtutils.get_random_color(obj)
)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL),
'obj', force=True)
pm.setAttr('%s.%s' %
(shading_group, ATTR_MATERIAL_ASSIGN), obj.name(), force=True)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL_VP),
'color', force=True)
def set_materials_per_project(shader_type):
"""Create a material per surfacing project and assigns it"""
delete_materials()
projects = get_surfacing_projects()
for project in projects:
shader, shading_group = create_shader(
type=shader_type)
pm.select(project)
meshes = pm.ls(sl=True)
pm.sets(shading_group, forceElement=meshes)
pm.select(None)
if shader_type == 'aiStandardSurface':
shader.baseColor.set(
ldtutils.get_random_color(project)
)
else:
shader.color.set(
ldtutils.get_random_color(project)
)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL),
'project', force=True)
pm.setAttr('%s.%s' %
(shading_group, ATTR_MATERIAL_ASSIGN), project.name(), force=True)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL_VP),
'color', force=True)
def delete_materials():
"""delete all material networks that have surfacing attributes"""
all_shading_groups = pm.ls(type="shadingEngine")
to_delete = []
for shading_group in all_shading_groups:
if pm.hasAttr(shading_group, ATTR_MATERIAL):
to_delete.append(shading_group)
pm.delete(to_delete)
def delete_materials_viewport(type=None):
"""
delete all material networks that have surfacing attributes.
Kwargs:
type (str): type of vp material to delete, usually 'color', or 'pattern'
"""
all_shading_groups = pm.ls(type="shadingEngine")
to_delete = []
for shading_group in all_shading_groups:
if pm.hasAttr(shading_group, ATTR_MATERIAL_VP):
to_delete.append(shading_group)
pm.delete(to_delete)
def unsaved_scene():
"""Check for unsaved changes."""
import maya.cmds as cmds
return cmds.file(q=True, modified=True)
def save_scene_dialog():
"""
Ask the user to go ahead save or cancel the operation.
Returns:
bool. True is Ok clicked, false otherwise.
"""
msg = QtWidgets.QMessageBox()
msg.setIcon(QtWidgets.QMessageBox.Information)
msg.setText("Your scene has unsaved changes")
msg.setInformativeText("")
msg.setWindowTitle("Warning")
msg.setDetailedText(
"This tool will do undoable changes. It requires you to save your scene, and reopen it after its finished"
)
msg.setStandardButtons(
QtWidgets.QMessageBox.Ok
| QtWidgets.QMessageBox.Cancel
)
retval = msg.exec_()
if retval == QtWidgets.QMessageBox.Ok:
return True
else:
return False
def create_file_node(name=None):
"""
Create a file node, and its 2dPlacement Node.
Kwargs:
name (str): file node name
Returns:
PyNode. Image file node
"""
file_node = pm.shadingNode(
'file', name=name, asTexture=True, isColorManaged=True)
placement_name = '%s_place2dfile_nodeture' % name
placement_node = pm.shadingNode(
'place2dTexture', name=placement_name, asUtility=True)
file_node.filterType.set(0)
pm.connectAttr(placement_node.outUV, file_node.uvCoord)
pm.connectAttr(placement_node.outUvFilterSize, file_node.uvFilterSize)
pm.connectAttr(placement_node.coverage, file_node.coverage)
pm.connectAttr(placement_node.mirrorU, file_node.mirrorU)
pm.connectAttr(placement_node.mirrorV, file_node.mirrorV)
pm.connectAttr(placement_node.noiseUV, file_node.noiseUV)
pm.connectAttr(placement_node.offset, file_node.offset)
pm.connectAttr(placement_node.repeatUV, file_node.repeatUV)
pm.connectAttr(placement_node.rotateFrame, file_node.rotateFrame)
pm.connectAttr(placement_node.rotateUV, file_node.rotateUV)
pm.connectAttr(placement_node.stagger, file_node.stagger)
pm.connectAttr(placement_node.translateFrame, file_node.translateFrame)
pm.connectAttr(placement_node.wrapU, file_node.wrapU)
pm.connectAttr(placement_node.wrapV, file_node.wrapV)
return file_node
def create_shader(type='PxrSurface'):
"""
Create shaders and shading groups.
Kwargs:
type (str): type of material shader to create, for ie 'blinn'
tag (str): tag to set in ATTR_MATERIAL, usually the
surfacing project or surfacing object
Returns:
tuple. PyNode shader, and PyNode shading_group
"""
shader, shading_group = pm.createSurfaceShader(type)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL), '', force=True)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL_ASSIGN), '', force=True)
pm.setAttr('%s.%s' % (shading_group, ATTR_MATERIAL_VP), '', force=True)
return shader, shading_group
def import_surfacing_textures():
"""
TODO WE DONT REALLY NEED THIS DONT WE
TODO THIS IS A WORKING HARDCODED IMPORT, IMPLEMENT CORRECTLY
Import textures to surfacing objects or projects.
Kwargs:
parsed_files (list): list of lucidity parsed files
with 'filepath' key
key (str): surfacing attr to use for import,
surfacing project or surfacing object
shaders (list): a list of shaders, where the keys match
the parsed files key to use for import
"""
import pymel.core as pm
from ldtcommon import TEXTURE_FILE_PATTERN
import ldtmaya
import ldtutils
import ldttextures
textures_folder = '/run/media/ezequielm/misc/wrk/current/cabinPixar/textures'
texture_list = ldtutils.get_files_in_folder(
textures_folder, recursive=True, pattern='.tex')
texture_finder = ldttextures.TextureFinder(
TEXTURE_FILE_PATTERN, texture_list)
texture_finder.get_channel_plug(texture_list[0])
for surfPrj in ldtmaya.get_surfacing_projects():
for surfObj in ldtmaya.get_surfacing_objects(surfPrj):
# Find texture files with a matching surfacing_project, get udim paths
texture_files = texture_finder.find_key_values(
surfacing_project=surfPrj, merge_udims=True)
if texture_files:
print surfObj
# create and assign the material to each surfacing_object
pm.select(surfObj)
meshes = pm.ls(sl=True)
shader, shading_group = ldtmaya.create_shader()
shader.rename('%s_%s' % (surfObj, 'material'))
pm.sets(shading_group, forceElement=meshes)
pm.select(None)
for texture_file in texture_files:
# get the shader plug input, to connect the texture to
shader_plug = texture_finder.get_channel_plug(texture_file)
if shader_plug:
shader_plug = pm.PyNode(
'%s.%s' % (shader.name(), shader_plug))
# create image nodes
file_node = ldtmaya.create_file_node(
'%s_%s' % (surfObj, shader_plug))
# paths come with 'udim', replac this with the prman <UDIM>
file_node.fileTextureName.set(
texture_file.replace('udim', '<UDIM>'))
pm.setAttr('%s.%s' % (file_node, 'uvTilingMode'), 3)
pm.setAttr('%s.%s' %
(file_node, 'alphaIsLuminance'), 1)
# TODO Query the shader plug, connect RGB or single channel
# TODO if a normal or bump, create the inbetween node
# if shader_plug == "normal" or shader_plug == "bump"
print "plug %s -->%s" % (texture_file, shader_plug)
if len(shader_plug.elements()) == 4:
if "bump" in shader_plug.name():
bump_node = pm.shadingNode(
'bump2d', asTexture=True)
bump_node.rename('%s_%s' % (surfObj, 'bump'))
file_node.outAlpha.connect(bump_node.bumpValue)
bump_node.outNormal.connect(shader_plug)
else:
file_node.outColor.connect(shader_plug)
else:
file_node.outAlpha.connect(shader_plug)
ldtui代码：init_.py:
"""
.. module:: ldtui
:synopsis: Main tools UI.
.. moduleauthor:: Ezequiel Mastrasso
"""
from Qt import QtGui, QtWidgets, QtCore
from Qt.QtWidgets import QApplication, QWidget, QLabel, QMainWindow
import sys
import imp
import os
import logging
from functools import partial
from ldtui import qtutils
import ldt
logger = logging.getLogger(__name__)
class LDTWindow(QMainWindow):
'''Main Tools UI Window. Loads the plugInfo.plugin_object.plugin_layout
QWidget from all loaded plugins as tabs'''
def __init__(self, plugins):
super(LDTWindow, self).__init__()
self.setWindowTitle("Look Dev Tool Set")
self.setGeometry(0, 0, 650, 600)
layout = QtWidgets.QGridLayout()
self.setLayout(layout)
tabwidget = QtWidgets.QTabWidget()
tabwidget.setTabBar(qtutils.HTabWidget(width=150, height=50))
tabwidget.setTabPosition(QtWidgets.QTabWidget.West)
# Stylesheet fix for Katana
# With default colors, the tab text is almost the
# same as the tab background
stylesheet = """
QTabBar::tab:unselected {background: #222222;}
QTabWidget>QWidget>QWidget{background: #222222;}
QTabBar::tab:selected {background: #303030;}
QTabWidget>QWidget>QWidget{background: #303030;}
"""
tabwidget.setStyleSheet(stylesheet)
layout.addWidget(tabwidget, 0, 0)
plugins_ui = {}
plugins_buttons = {}
for pluginInfo in plugins.getAllPlugins():
tabwidget.addTab(
pluginInfo.plugin_object.plugin_layout,
pluginInfo.name)
self.setCentralWidget(tabwidget)
qtutils.py：
"""
.. module:: qtutils
:synopsis: small qt utilies and custom widgets.
.. moduleauthor:: Ezequiel Mastrasso
"""
from Qt import QtGui, QtWidgets, QtCore
from Qt.QtWidgets import QApplication, QWidget, QLabel, QMainWindow
import logging
logger = logging.getLogger(__name__)
def get_folder_path():
"""Gets a folder path from the user"""
file_dialog = QtWidgets.QFileDialog()
file_dialog.setFileMode(QtWidgets.QFileDialog.Directory)
if file_dialog.exec_():
path = str(file_dialog.selectedFiles()[0])
return path
else:
return None
class HTabWidget(QtWidgets.QTabBar):
'''
QPaint event to draw the QTabWidget titles horizontally
'''
def __init__(self, *args, **kwargs):
self.tabSize = QtCore.QSize(kwargs.pop('width'), kwargs.pop('height'))
super(HTabWidget, self).__init__(*args, **kwargs)
def paintEvent(self, event):
painter = QtWidgets.QStylePainter(self)
option = QtWidgets.QStyleOptionTab()
for index in range(self.count()):
self.initStyleOption(option, index)
tabRect = self.tabRect(index)
tabRect.moveLeft(10)
painter.drawControl(QtWidgets.QStyle.CE_TabBarTabShape, option)
painter.drawText(tabRect, QtCore.Qt.AlignVCenter |
QtCore.Qt.TextDontClip,
self.tabText(index))
def tabSizeHint(self, index):
return self.tabSize
ldtutils代码：
"""
.. module:: ldtutils
:synopsis: general non dcc specific utils.
.. moduleauthor:: Ezequiel Mastrasso
"""
from ldtcommon import CONFIG_MATERIALS_JSON
from ldtcommon import TEXTURE_CHANNEL_MATCHING_RATIO
from ldtcommon import TEXTURE_MATCHING_RATIO
from fuzzywuzzy import fuzz
import subprocess
import multiprocessing
import sys
import json
import logging
import os
import random
import lucidity
logger = logging.getLogger(__name__)
def create_commands(texture_mapping):
default_command = "maya -batch -file someMayaFile.mb -command "
commands = []
for key, value in texture_mapping:
dir, filename = os.path.split(key)
filename, ext = os.path.splitext(filename)
filename = os.path.join(dir, filename + "WithTexture." + ext)
commands.append("".format(default_command, "abc_file",
key, "texture", value, "file -save ", filename))
return commands
def launch_function(func, args):
commands = create_commands(args)
launch_multiprocess(launch_subprocess, commands)
def launch_subprocess(command):
try:
subprocess_output = subprocess.check_output(command)
logger.info("Subprocess launched\t{out}\nrunning the command\t{command}",
out=subprocess_output,
command=command)
except subprocess.CalledProcessError as e:
logger.exception(
"Error while trying to launch subprocess: {}".format(e.output))
raise
return command
def launch_multiprocess(function, args):
"""
:param function: Function to be called inside the multiprocess -- Takes only 1 arg
:param args: list/tuple of arguments for above function
:return:
"""
multiprocessing.freeze_support()
pool = multiprocessing.Pool(processes=int(multiprocessing.cpu_count()/2))
logger.debug("Pool created")
try:
pool_process = pool.map_async(function, (args))
except Exception as e:
msg = "Error while trying to launch process in pool: {}".format(e)
logger.exception(msg)
raise
finally:
pool.close()
pool.join()
try:
logger.info("output from the process: {pool_out}",
out=pool_process.successful())
return 0
except AssertionError:
logger.exception("Couldn't communicate with the process poll created; \
No output from processes fetched")
return 1
def map_textures_to_alembic(texture_mapping):
launch_subprocess(command)
def load_json(file_path):
"""
Load a json an returns a dict.
Args:
file_path (str): Json file path to open.
"""
with open(file_path) as handle:
dictdump = json.loads(handle.read())
return dictdump
def save_json(file_path, data):
"""
Dump a dict into a json file.
Args:
file_path (str): Json file path to save.
data (dict): Data to save into the json file.
"""
# TODO (eze)
pass
def get_random_color(seed):
"""
Return a random color using a seed.
Used by all material creating, and viewport color functions
that do not use textures, to have a common color accross dccs
Args:
seed (str):
Returns:
tuple, R,G,B colors.
"""
random.seed(seed + "_r")
color_red = random.uniform(0, 1)
random.seed(seed + "_g")
color_green = random.uniform(0, 1)
random.seed(seed + "_b")
color_blue = random.uniform(0, 1)
return color_red, color_green, color_blue
def create_directoy(path):
"""
Create a folder.
Args:
path (str): Directory path to create.
"""
os.mkdir(path)
logger.info("Directory created: %s" % path)
def is_directory(path):
"""
Check if the given path exists, and is a directory.
Args:
path (str): Directory to check.
"""
if os.path.exists(path) and os.path.isdir(path):
return True
else:
return False
def get_files_in_folder(path, recursive=False, pattern=None):
"""
Search files in a folder.
Args:
path (str): Path to search.
Kwards:
recursive (bool): Search files recursively in folder.
pattern (str): pattern to match, for ie '.exr'.
Returns:
array. File list
"""
logger.info("Searching for files in: %s" % path)
logger.info("Searching options: Recursive %s, pattern: %s" %
(recursive, pattern))
file_list = []
for path, subdirs, files in os.walk(path):
for file in files:
# skip .mayaswatchs stuff
if ".maya" not in file:
if pattern:
if pattern in file:
file_list.append(os.path.join(path, file))
logger.debug(
"File with pattern found, added to the list: %s" % file)
else:
file_list.append(os.path.join(path, file))
logger.debug("File added to the list: %s" % file)
if not recursive:
break
return file_list
def string_matching_ratio(stringA, stringB):
"""
Compare two strings and returns a fuzzy string matching ratio.
In general ratio, partial_ratio, token_sort_ratio
and token_set_ratio did not give different
results given that we are comparin a single.
TODO: Try bitap algorithm for fuzzy matching, partial substring
matching might be better for our cases.
Different channels fuzzy ratio comparission
('baseColor','diffusecolor') = 67
('base','diffusecolor') = 25
('specular','specularColor') = 76
('specular','specularcolor') = 76
('specular_color', 'specular_bump') = 67
('coat_color', 'coat_ior') = 78
('secondary_specular_color', 'secondary_specular_ior') = 91
('subsurface_weight', 'subsurface_Color') = 67
('emission', 'emission_weight') = 70
Same channel diferent naming ratio comparission
('diffuse_weight','diffuseGain') = 64
Args:
stringA (str): string to compare against.
stringB (str): string to compare.
Returns:
int. Ratio, from 0 to 100 according to fuzzy matching.
"""
return fuzz.token_set_ratio(stringA, stringB)
def get_config_materials():
"""
Gets the CONFIG_MATERIALS_JSON as a dict
Returns:
dict. CONFIG_MATERIALS_JSON
"""
return load_json(CONFIG_MATERIALS_JSON)
本文介绍了事务的基本概念，包括原子性、一致性、隔离性和持久性等ACID特性，并详细阐述了在并发事务处理过程中可能出现的问题，如丢失更新、脏读、不可重复读及幻读等。此外还介绍了四种不同的事务隔离等级，以避免并发事务处理下产生的意外情况。
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