# Copyright (c) 2009 The Foundry Visionmongers Ltd. All Rights Reserved.
import nuke_internal as nuke
import os.path
import re
__NODES_FOR_VERSION = ( "Read",
"Write",
"Precomp",
"DeepRead",
"DeepWrite",
"LiveGroup",
"ReadGeo2",
"WriteGeo",
"Camera",
"Axis",
"Light",
)
[docs]def version_get(string, prefix, suffix = None):
"""Extract version information from filenames used by DD (and Weta, apparently)
These are _v# or /v# or .v# where v is a prefix string, in our case
we use "v" for render version and "c" for camera track version.
See the version.py and camera.py plugins for usage."""
if string is None:
raise ValueError("Empty version string - no match")
regex = "[/_.]"+prefix+"\d+"
matches = re.findall(regex, string, re.IGNORECASE)
if not len(matches):
msg = "No \"_"+prefix+"#\" found in \""+string+"\""
raise ValueError(msg)
return (matches[-1:][0][1], re.search("\d+", matches[-1:][0]).group())
[docs]def version_set(string, prefix, oldintval, newintval):
"""Changes version information from filenames used by DD (and Weta, apparently)
These are _v# or /v# or .v# where v is a prefix string, in our case
we use "v" for render version and "c" for camera track version.
See the version.py and camera.py plugins for usage."""
regex = "[/_.]"+prefix+"\d+"
matches = re.findall(regex, string, re.IGNORECASE)
if not len(matches):
return ""
# Filter to retain only version strings with matching numbers
matches = [s for s in matches if int(s[2:]) == oldintval]
# Replace all version strings with matching numbers
for match in matches:
# use expression instead of expr so 0 prefix does not make octal
fmt = "%%(#)0%dd" % (len(match) - 2)
newfullvalue = match[0] + prefix + str(fmt % {"#": newintval})
string = re.sub(match, newfullvalue, string)
return string
[docs]def version_up():
"""All new version_up that uses the version_get/set functions.
This script takes the render version up one in selected iread/writes."""
n = nuke.selectedNodes()
for i in n:
_class = i.Class()
# check to make sure this is a read or write op
if _class in __NODES_FOR_VERSION:
fileKnob = i['file']
proxyKnob = i.knob('proxy')
try:
(prefix, v) = version_get(fileKnob.value(), 'v')
v = int(v)
fileKnob.setValue(version_set(fileKnob.value(), prefix, v, v + 1))
except ValueError:
# We land here if there was no version number in the file knob.
# If there's none in the proxy knob either, just show the exception to the user.
# Otherwise just update the proxy knob
if proxyKnob and proxyKnob.value():
(prefix, v) = version_get(proxyKnob.value(), 'v')
v = int(v)
if proxyKnob and proxyKnob.value():
proxyKnob.setValue(version_set(proxyKnob.value(), prefix, v, v + 1))
nuke.root().setModified(True)
[docs]def version_down():
"""All new version_down that uses the version_get/set functions.
This script takes the render version up one in selected iread/writes."""
n = nuke.selectedNodes()
for i in n:
_class = i.Class()
# check to make sure this is a read or write op
if _class in __NODES_FOR_VERSION:
fileKnob = i['file']
proxyKnob = i.knob('proxy')
try:
(prefix, v) = version_get(fileKnob.value(), 'v')
v = int(v)
fileKnob.setValue(version_set(fileKnob.value(), prefix, v, v - 1))
except ValueError:
# We land here if there was no version number in the file knob.
# If there's none in the proxy knob either, just show the exception to the user.
# Otherwise just update the proxy knob
if proxyKnob and proxyKnob.value():
(prefix, v) = version_get(proxyKnob.value(), 'v')
v = int(v)
if proxyKnob and proxyKnob.value():
proxyKnob.setValue(version_set(proxyKnob.value(), prefix, v, v - 1))
nuke.root().setModified(True)
[docs]def version_latest():
"""Like version_up, but only goes up to the highest numbered version
that exists.
Works on all selected Read nodes, or all Read nodes if nothing is
selected.
Does not modify Write nodes."""
class __KnobValueReplacer(object):
def loop(self, knob):
while True:
oVersion = knob.value()
try:
(prefix, v) = version_get(oVersion, 'v')
v = int(v)
nVersion = version_set(oVersion, prefix, v, v + 1)
knob.setValue(nVersion)
if not os.path.exists(knob.evaluate()):
knob.setValue(oVersion)
return
nuke.root().setModified(True)
except ValueError:
return
nodes = nuke.selectedNodes()
if not nodes: nodes = nuke.allNodes()
n = [i for i in nodes if i.Class() == "Read"]
for i in n:
__KnobValueReplacer().loop(i['file'])
__KnobValueReplacer().loop(i['proxy'])