✨(release) add python script to prepare release

Change versions, update changelog and create branch and commit
to submit release informations.
Give following instructions to do after.

release_prepare.py

@@ -0,0 +1,127 @@
+import datetime
+import os
+import subprocess
+import sys
+
+
+def run_command(cmd, msg=None, shell=False, cwd='.', stdout=None):
+    if msg is None:
+        msg = f"# Running: {cmd}"
+    if stdout is not None:
+        stdout.write(msg + '\n')
+        if stdout != sys.stdout:
+            print(msg)
+    subprocess.check_call(cmd, shell=shell, cwd=cwd, stdout=stdout, stderr=stdout)
+    if stdout is not None:
+        stdout.flush()
+
+
+def update_all_file_version(release):
+    # pyproject.toml
+    print("Update pyproject.toml...")
+    path = "src/backend/pyproject.toml"
+    with open(path, 'r') as file:
+        lines = file.readlines()
+        for index, line in enumerate(lines):
+            if line.startswith("version = "):
+                last_release = line.split("=")[-1]
+                new_line = line.replace(last_release, f' "{release}"\n')
+                lines[index] = new_line
+    with open(path, 'w+') as file:
+        file.writelines(lines)
+
+    # helm files
+    print("Update helm files...")
+    for env in ["preprod", "production"]:
+        path = f"src/helm/env.d/{env}/values.desk.yaml.gotmpl"
+        with open(path, 'r') as file:
+            lines = file.readlines()
+            for index, line in enumerate(lines):
+                if line.startswith("  tag: "):
+                    lines[index] = f'  tag: "v{release}"\n'
+        with open(path, 'w+') as file:
+            file.writelines(lines)
+
+    # frontend package.json
+    print("Update package.json...")
+    files_to_modify = []
+    filename = "package.json"
+    for root, _dir, files in os.walk("src/frontend"):
+        if filename in files and "node_modules" not in root and ".next" not in root:
+            files_to_modify.append(os.path.join(root, filename))
+
+    for path in files_to_modify:
+        with open(path, 'r') as file:
+            lines = file.readlines()
+            for index, line in enumerate(lines):
+                if line.startswith('  "version": '):
+                    lines[index] = f'  "version": "{release}",\n'
+        with open(path, 'w+') as file:
+            file.writelines(lines)
+    return
+
+
+def tag_release(release):
+    return
+
+
+def update_changelog_with_release_info(path, release):
+    """...
+    """
+    print("Update CHANGELOG...")
+    with open(path, 'r') as file:
+        lines = file.readlines()
+        for index, line in enumerate(lines):
+            if "## [Unreleased]" in line:
+                today = datetime.date.today()
+                lines.insert(index + 1, f"\n## [{release}] - {today}\n")
+            if line.startswith("[unreleased]"):
+                last_release = lines[index + 1].split("]")[0][1:]
+                new_unreleased_line = line.replace(last_release, release)
+                new_release_line = lines[index + 1].replace(last_release, release)
+                lines[index] = new_unreleased_line
+                # last_comparison = lines[index + 1]
+                # new = last_comparison.replace(last_release, release)
+                # release_line = "/".join([*new.split("/")[:-1], f"v{last_release}...v{release}\n"])
+                lines.insert(index + 1, new_release_line)
+                break
+
+    with open(path, 'w+') as file:
+        file.writelines(lines)
+
+
+if __name__ == "__main__":
+    print('Enter your release version:')
+    version = input()
+    print('Enter kind of release (p:patch, m:minor, mj:major):')
+    kind = input()
+    print('Let\'s go to deployment branch to release')
+    branch_to_release = f"release/{version}"
+    run_command(f"git checkout -b {branch_to_release}", shell=True)
+    run_command("git pull --rebase origin main", shell=True)
+
+    update_changelog_with_release_info("CHANGELOG.md", version)
+    update_all_file_version(version)
+
+    run_command("git add CHANGELOG.md", shell=True)
+    run_command("git add src/", shell=True)
+    release_kind = {'p': 'patch', 'm': 'minor', 'mj': 'major'}
+    message = f"""🔖({release_kind[kind]}) release version {version}
+
+Update all version files and changelog for release {release_kind[kind]}."""
+    run_command(f"git ci -m '{message}'", shell=True)
+    check_ok = input(f"\nNEXT COMMAND: \n>> git push origin {branch_to_release}\nContinue ? (y,n) ")
+    if check_ok == 'y':
+        print(f"git push origin {branch_to_release}")
+        run_command(f"git push origin {branch_to_release}", shell=True)
+        print(f"""
+PLEASE DO THE FOLLOWING INSTRUCTIONS:
+--> Please submit PR and merge code to main than tag version
+>> git tag -a v{version} 
+>> git push origin v{version} 
+--> Please check docker image: https://hub.docker.com/r/lasuite/people-backend/tags"
+>> git tag -d preprod
+>> git tag preprod
+>> git push -f origin preprod
+--> Now please generate release on github interface for the current tag v{version}"
+""")