mirror of
				https://github.com/zulip/zulip.git
				synced 2025-11-04 14:03:30 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			98 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import hashlib
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import json
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import os
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import shutil
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import subprocess
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from typing import Dict, List, Optional
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from scripts.lib.zulip_tools import run
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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ZULIP_SRV_PATH = "/srv"
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NODE_MODULES_CACHE_PATH = os.path.join(ZULIP_SRV_PATH, "zulip-npm-cache")
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YARN_BIN = os.path.join(ZULIP_SRV_PATH, "zulip-yarn/bin/yarn")
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YARN_PACKAGE_JSON = os.path.join(ZULIP_SRV_PATH, "zulip-yarn/package.json")
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DEFAULT_PRODUCTION = False
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def get_yarn_args(production: bool) -> List[str]:
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    if production:
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        yarn_args = ["--prod"]
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    else:
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        yarn_args = []
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    return yarn_args
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def generate_sha1sum_node_modules(
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    setup_dir: Optional[str] = None,
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    production: bool = DEFAULT_PRODUCTION,
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) -> str:
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    if setup_dir is None:
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        setup_dir = os.path.realpath(os.getcwd())
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    PACKAGE_JSON_FILE_PATH = os.path.join(setup_dir, "package.json")
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    YARN_LOCK_FILE_PATH = os.path.join(setup_dir, "yarn.lock")
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    data: Dict[str, object] = {}
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    with open(PACKAGE_JSON_FILE_PATH) as f:
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        data[PACKAGE_JSON_FILE_PATH] = f.read().strip()
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    if os.path.exists(YARN_LOCK_FILE_PATH):
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        # For backwards compatibility, we can't assume yarn.lock exists
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        with open(YARN_LOCK_FILE_PATH) as f:
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            data[YARN_LOCK_FILE_PATH] = f.read().strip()
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    with open(YARN_PACKAGE_JSON) as f:
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        data["yarn-package-version"] = json.load(f)["version"]
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    data["node-version"] = subprocess.check_output(["node", "--version"], text=True).strip()
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    data["yarn-args"] = get_yarn_args(production=production)
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    sha1sum = hashlib.sha1()
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    sha1sum.update(json.dumps(data, sort_keys=True).encode())
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    return sha1sum.hexdigest()
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def setup_node_modules(
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    production: bool = DEFAULT_PRODUCTION,
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    prefer_offline: bool = False,
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) -> None:
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    yarn_args = get_yarn_args(production=production)
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    if prefer_offline:
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        yarn_args.append("--prefer-offline")
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    sha1sum = generate_sha1sum_node_modules(production=production)
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    target_path = os.path.join(NODE_MODULES_CACHE_PATH, sha1sum)
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    cached_node_modules = os.path.join(target_path, "node_modules")
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    success_stamp = os.path.join(target_path, ".success-stamp")
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    # Check if a cached version already exists
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    if not os.path.exists(success_stamp):
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        do_yarn_install(target_path, yarn_args, success_stamp)
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    print(f"Using cached node modules from {cached_node_modules}")
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    if os.path.islink("node_modules"):
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        os.remove("node_modules")
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    elif os.path.isdir("node_modules"):
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        shutil.rmtree("node_modules")
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    os.symlink(cached_node_modules, "node_modules")
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def do_yarn_install(
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    target_path: str,
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    yarn_args: List[str],
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    success_stamp: str,
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) -> None:
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    os.makedirs(target_path, exist_ok=True)
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    shutil.copy("package.json", target_path)
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    shutil.copy("yarn.lock", target_path)
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    shutil.copy(".yarnrc", target_path)
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    cached_node_modules = os.path.join(target_path, "node_modules")
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    print("Cached version not found! Installing node modules.")
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    # Copy the existing node_modules to speed up install
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    if os.path.exists("node_modules") and not os.path.exists(cached_node_modules):
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        shutil.copytree("node_modules/", cached_node_modules, symlinks=True)
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    if os.environ.get("CUSTOM_CA_CERTIFICATES"):
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        run([YARN_BIN, "config", "set", "cafile", os.environ["CUSTOM_CA_CERTIFICATES"]])
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    run(
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        [YARN_BIN, "install", "--non-interactive", "--frozen-lockfile", *yarn_args], cwd=target_path
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    )
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    with open(success_stamp, "w"):
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        pass
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