fix: added bash to update memcache with pymemcache

edx_repo_tools/codemods/django42/script_to_update_pymemcache.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Function to recursively find and replace the cache backend in files
+function update_cache_backend() {
+    local root_dir=$1
+    find "$root_dir" -type f -exec perl -i -pe 's/django\.core\.cache\.backends\.memcached\.MemcachedCache/django.core.cache.backends.memcached.PyMemcacheCache/g' {} +
+}
+
+# Function to find and append "pymemcache" to base.in files
+function append_pymemcache() {
+    local root_dir=$1
+    find "$root_dir" -type f -name "base.in" -exec sh -c 'echo "pymemcache" >> "$0"' {} \;
+}
+
+# Function to find and remove the line containing "python-memcached==<version>"
+function remove_python_memcached() {
+    local root_dir=$1
+    find "$root_dir" -type f -exec perl -i -ne 'print unless /^python-memcached==.*$/' {} +
+}
+
+# Get the current directory
+current_dir=$(pwd)
+
+# Update cache backend in the project
+echo "Updating cache backend in project: $current_dir"
+update_cache_backend "$current_dir"
+echo "Cache backend update completed in project: $current_dir"
+
+# Append "pymemcache" to base.in files
+echo "Appending 'pymemcache' to base.in files in project: $current_dir"
+append_pymemcache "$current_dir"
+echo "Appending 'pymemcache' completed in project: $current_dir"
+
+# Remove lines containing "python-memcached==<version>"
+echo "Removing 'python-memcached' lines in project: $current_dir"
+remove_python_memcached "$current_dir"
+echo "Removal of 'python-memcached' lines completed in project: $current_dir"

edx_repo_tools/codemods/django42/update_pymemcache.py

@@ -0,0 +1,16 @@
+import click
+import subprocess
+
+
+def main():
+    """
+    Function to call the bash script which is replacing all 
+    django.core.cache.backends.memcached.MemcachedCache references with
+    django.core.cache.backends.memcached.PyMemcacheCache in the whole
+    project and adding pymemcache and removing python-memcached in requirements
+    """
+    subprocess.run(['./edx_repo_tools/codemods/django42/script_to_update_pymemcache.sh'])
+
+
+if __name__ == '__main__':
+    main()

setup.py

@@ -111,6 +111,7 @@ def is_requirement(line):
             'tag_release = edx_repo_tools.release.tag_release:main',
             'modernize_tox_django42 = edx_repo_tools.codemods.django42.tox_moderniser_django42:main',
             'modernize_github_actions_django42 = edx_repo_tools.codemods.django42.github_actions_modernizer_django42:main',
+            'update_cache = edx_repo_tools.codemods.django42.update_pymemcache:main',
         ],
     },
     package_data={