flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
41 lines
888 B
JavaScript
41 lines
888 B
JavaScript
var retry = require('../lib/retry');
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function attemptAsyncOperation(someInput, cb) {
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var opts = {
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retries: 2,
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factor: 2,
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minTimeout: 1 * 1000,
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maxTimeout: 2 * 1000,
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randomize: true
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};
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var operation = retry.operation(opts);
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operation.attempt(function(currentAttempt) {
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failingAsyncOperation(someInput, function(err, result) {
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if (err && err.message === 'A fatal error') {
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operation.stop();
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return cb(err);
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}
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if (operation.retry(err)) {
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return;
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}
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cb(operation.mainError(), operation.errors(), result);
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});
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});
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}
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attemptAsyncOperation('test input', function(err, errors, result) {
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console.warn('err:');
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console.log(err);
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console.warn('result:');
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console.log(result);
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});
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function failingAsyncOperation(input, cb) {
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return setImmediate(cb.bind(null, new Error('A fatal error')));
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}
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