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smartSave.py
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smartSave.py
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# Author : HYUK KO | [email protected] | github.com/kohyuk91
import os
import re
import maya.cmds as mc
DEFAULT_PADDING = 3
def paddingExistsInBasename(baseName):
result = re.search(r"_v\d*.", baseName)
if result == None:
return False
return True
def paddingExistsInFiles(matchList):
matchListString = " ".join(matchList)
result = re.search(r"_v\d*.", matchListString)
if result == None:
return False
return True
def getPadding( matchList):
pattern = re.compile(r"_v\d*.")
for match in matchList:
version = pattern.findall(match)
versionStripped = version[0][2:-1]
padding = len(versionStripped)
return padding
def newSceneVersion(currentScenePath):
currentSceneDir, currentSceneFile = os.path.split(currentScenePath)
currentSceneBasename, currentSceneExt = os.path.splitext(currentSceneFile)
fileList = os.listdir(currentSceneDir)
fileListString = " ".join(fileList)
# If current scene name has no "_v#"
# e.g. currentSceneFile >> "blasterWalk.ma"
# e.g. currentSceneBasename >> "blasterWalk"
if not paddingExistsInBasename(currentSceneBasename):
# We have to check the extention because files might have same basename but different extention(e.g. ".ma", ".mb")
pattern = re.compile(r"{baseName}_v\d*{ext}".format(baseName=currentSceneBasename, ext=currentSceneExt))
matchList = pattern.findall(fileListString)
padding = getPadding(matchList) if paddingExistsInFiles(matchList) else DEFAULT_PADDING
# Get list of all "blasterWalk_v#.ma" in same directory.
# The current scene does not have "_v#",
# but there might be a file in the same directory that already follows the naming convention "blasterWalk_v###.ma"
versionList = []
for match in matchList:
try:
versionPattern = re.compile(r"_v\d{{{padding}}}.".format(padding=padding))
version = int(versionPattern.findall(match)[0][2:padding+2])
versionList.append(version)
except:
pass
# If there is no file that follows the naming convention "blasterWalk_v#.ma", save v001.
# e.g. blasterWalk_v001.ma
if len(versionList) == 0:
newSceneVersionFile = "{baseName}_v{nextVer:0{padding}d}{ext}".format(baseName=currentSceneBasename, nextVer=1, padding=padding, ext=currentSceneExt)
newSceneVersionPath = os.path.join(currentSceneDir, newSceneVersionFile)
return newSceneVersionPath
# If there is a file that follows the naming convention "blasterWalk_v#.ma", find the next available version and save.
# e.g. Files with same naming convention in directory: [blasterWalk_v001.ma, blasterWalk_v002.ma] >> Result: blasterWalk_v003.ma
# e.g. Files with same naming convention in directory: [blasterWalk_v0001.ma, blasterWalk_v0002.ma] >> Result: blasterWalk_v0003.ma
# e.g. Files with same naming convention in directory: [blasterWalk_v001.ma, blasterWalk_v003.ma] >> Result: blasterWalk_v004.ma | Skips "blasterWalk_v002.ma"
# e.g. Files with same naming convention in directory: [blasterWalk_v0001.ma, blasterWalk_v0003.ma] >> Result: blasterWalk_v0004.ma | Skips "blasterWalk_v002.ma"
maxVersion = max(versionList)
nextVersion = maxVersion + 1
newSceneVersionFile = "{baseName}_v{nextVer:0{padding}d}{ext}".format(baseName=currentSceneBasename, nextVer=nextVersion, padding=padding, ext=currentSceneExt)
newSceneVersionPath = os.path.join(currentSceneDir, newSceneVersionFile)
return newSceneVersionPath
# If current scene name has "_v#"
# e.g. currentSceneFile >> "blasterWalk_v001.ma"
# e.g. currentSceneBasename >> "blasterWalk_v001"
# Get list of all "blasterWalk_v#.ma" in same directory.
# Remove "_v#" from basename
currentSceneBasenameVersionStripped = re.sub(r"_v\d*", "", currentSceneBasename)
# We have to check the extention because files might have same basename but different extention(e.g. ".ma", ".mb")
pattern = re.compile(r"{baseName}_v\d*{ext}".format(baseName=currentSceneBasenameVersionStripped, ext=currentSceneExt))
matchList = pattern.findall(fileListString)
padding = getPadding(matchList)
versionList = []
for match in matchList:
try:
versionPattern = re.compile(r"_v\d{{{padding}}}.".format(padding=padding))
version = int(versionPattern.findall(match)[0][2:padding+2])
versionList.append(version)
except:
pass
# If there is a file that follows the naming convention "blasterWalk_v###.ma", find the next available version and save.
# e.g. Files with same naming convention in directory: [blasterWalk_v001.ma, blasterWalk_v002.ma] >> Result: blasterWalk_v003.ma
# e.g. Files with same naming convention in directory: [blasterWalk_v001.ma, blasterWalk_v003.ma] >> Result: blasterWalk_v004.ma | Skips "blasterWalk_v002.ma"
maxVersion = max(versionList)
nextVersion = maxVersion + 1
newSceneVersionFile = "{baseName}_v{nextVer:0{padding}d}{ext}".format(baseName=currentSceneBasenameVersionStripped, nextVer=nextVersion, padding=padding, ext=currentSceneExt)
newSceneVersionPath = os.path.join(currentSceneDir, newSceneVersionFile)
return newSceneVersionPath
def main():
currentScenePath = mc.file(q=1, sn=1)
if currentScenePath == "":
mc.warning("You must save a scene first.")
return
currentSceneDir, currentSceneFile = os.path.split(currentScenePath)
currentSceneBasename, currentSceneExt = os.path.splitext(currentSceneFile)
newSceneVersionPath = newSceneVersion(currentScenePath)
if currentSceneExt == ".ma": fileType = "mayaAscii"
if currentSceneExt == ".mb": fileType = "mayaBinary"
# Rename and Save
mc.file(rename=newSceneVersionPath)
mc.file(save=True, type=fileType)
print newSceneVersionPath
if __name__ == "__main__":
main()