Add Expression Value in Render Settings Save Path

Gemini

Hello,
Is there a chance to add an expression result of python ( for me the mayor version from the C4D file name ) to the Render Settings Path string ? I would not use c++ custom token, because I'm not familiar in C++.
Thanks !
G

Dunhou

Hey @Gemini ,

You should take a look at py-render-token example, and filter the version number of your project like re.findall("v"+"\d+",filePath) if I understand not wrong.

Cheers~
DunHou

i_mazlov

Hi @Gemini,

Welcome to the Maxon developers forum and its community, it is great to have you with us!

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About your First Question

There's no built-in token for this, so you would need to manually parse the document file path for the necessary information (e.g. using regular expressions) and adjust the render settings correspondingly.

Depending on the desired behavior you'd like to achieve, the implementation can be slightly different.

If you'd like to create custom token, which contains your extracted information, please check the posting from Dunhou (thanks for taking an active role in the community!).

In case you'd like to have a script that asjusts the filepath, please have a look at the render settings example. For the "File" field you'd need to use c4d.RDATA_PATH token.

Cheers,
Ilia

Gemini

Thanks for your answer.
Tokens are working well but I have a strange issue with them at the multi pass files, if I end the file with a string ( here 'XXX') the file works well but If not it adds '1' to it. Do I miss something in the process ? I think my python token string could not generate that end string there.

Gemini

"""
Copyright: MAXON Computer GmbH
Author: Maxime Adam

Description:
    - Registers two Tokens plugin. One visible in the render setting the other one not.
    - A token is a string that will be replaced during the token evaluation time by a string representation.

Class/method highlighted:
    - c4d.plugins.RegisterToken
    - c4d.plugins.RegisterHiddenToken

"""
import c4d
import re
from c4d import documents

def majorVersionToken(data):
    """The function that will be called to return the string representation of a token.

    Args:

    Returns:
        str: The string that will replace the token
    """
    doc = documents.GetActiveDocument()
    # Get the file path of the current document
    file_name = doc.GetDocumentName()
    match = re.search(r'v\d{0,10}', file_name)
    version = 'v001'
    if match:
        version = 'v' + match.group().replace('v','').zfill(3)
    else:
        # print("No match found")
        pass
    return str(version)

def minorVersionToken(data):
    """The function that will be called to return the string representation of a token.

    Args:

    Returns:
        str: The string that will replace the token
    """
    doc = documents.GetActiveDocument()
    # Get the file path of the current document
    # file_path = doc.GetDocumentPath()
    file_name = doc.GetDocumentName()
    match = re.search(r'_\d{0,10}', file_name)
    version = '001'
    if match:
        version = match.group().replace('_','')
        if len( version) <= 3:
            version = version.zfill(3)
    else:
        pass
    return str(version)

def shortProjectNameToken(data):
    """The function that will be called to return the string representation of a token.

    Args:

    Returns:
        str: The string that will replace the token
    """
    # Get the file path of the current document
    file_name = documents.GetActiveDocument().GetDocumentName()
    match = re.search(r'v\d{0,3}', file_name)
    token = file_name.split( match.group())[0].rstrip('_')
    return str(token)


def PythonHiddenToken(data):
    """The function that will be called to return the string representation of a token.

    Args:

    Returns:
        str: The string that will replace the token
    """

    # Returns the frame number as a string. So this will replace the token by the frame number.
    return str(data[4])


if __name__ == "__main__":
    # First it's important to check if the token is not already registered
    for registeredToken in c4d.modules.tokensystem.GetAllTokenEntries():
        # Checks if the token name is already used, if it's the case exit.
        if registeredToken.get("_token") in ["majorVersionToken", "PythonHiddenToken"]:
            exit()

    # Registers the token "PythonToken" that will be visible in te render setting.
    c4d.plugins.RegisterToken("mver", "_Project Mayor Version", "v002", majorVersionToken)
    c4d.plugins.RegisterToken("nver", "_Project Minor Version", "002", minorVersionToken)
    c4d.plugins.RegisterToken("shortproject", "_Project Short Name", "scene", shortProjectNameToken)

    # Registers the token "PythonHiddenToken" it will not be visible in te render setting.
    c4d.plugins.RegisterHiddenToken("PythonHiddenToken", "This is a Hidden Python Token", "001", PythonHiddenToken)

shivamist

If i'm not mistaken, "_1" is generated by Redshift if the "Regular Image" filename and the "Multi-Pass Image" filename are the same

Same filename :

Changing "-" to "_" at the end of the file :

Gemini

Ups. Maybe. I'm checking..

Gemini

The extension is different. So the file name too.

minakristofer

@Dunhou It seems corect! Well done.