• Cookiecutter version: 2.2.3
• Template project url: NA
• Python version: 3.8.13
• Operating System: MacOS

Description:

In 2.2.2, it was possible to use replay files together with two layers of interpolation (templating in a variable from cookiecutter.json that itself used interpolation) in a hooks/pre_gen_project.py hook.

In 2.2.3, this is no longer possible - interpolation is only performed once.

What I've run:

I created a bare-bones example repo for this here but in short:

• I wrote cookiecutter.json as the first two keys in the example from the docs here:

  {
      "package_name": "my-package",
      "module_name": "{{ cookiecutter.package_name.replace('-', '_') }}"
  }
  

• I copied hooks/pre_gen_project.py from the docs here

  import re
  import sys
  
  
  MODULE_REGEX = r'^[_a-zA-Z][_a-zA-Z0-9]+$'
  
  module_name = '{{ cookiecutter.module_name }}'
  
  if not re.match(MODULE_REGEX, module_name):
      print('ERROR: %s is not a valid Python module name!' % module_name)
  
      # exits with status 1 to indicate failure
      sys.exit(1)
  

• I wrote a minimal replay.json to match my cookiecutter.json

  {
      "cookiecutter": {
          "package_name": "testpackage",
          "module_name": "testpackage"
      }
  }
  

• I created a minimal folder structure for the output

  mkdir '{{cookiecutter.module_name}}'
  echo hi > '{{cookiecutter.module_name}}/hi.txt'
  

When I try to run

cookiecutter . -o test

with no replay file and accept the defaults, everything works.

When I try to run

cookiecutter . --replay-file replay.json -o test

I get

  File "/var/folders/_x/lmzd7l2n2q7g0qjyvrzls5wh0000gn/T/tmppfzh8tgj.py", line 7
    module_name = '{{ cookiecutter.package_name.replace('-', '_') }}'
                                                              ^
SyntaxError: invalid syntax
ERROR: Stopping generation because pre_gen_project hook script didn't exit successfully
Hook script failed (exit status: 1)

This SyntaxError comes from the line

module_name = '{{ cookiecutter.module_name }}'

in hooks/pre_gen_project.py - it's interpolated, but only once.

If I downgrade to cookiecutter 2.2.2 everything works as expected.