GitHub 开源
my8100 / logparser
安装
通过 pip:
pip install logparser
通过 git:
git clone https://github.com/my8100/logparser.git
cd logparser
python setup.py install
使用方法
作为 service 运行
请先确保当前主机已经安装和启动 Scrapyd
通过命令 logparser 启动 LogParser
访问 http://127.0.0.1:6800/logs/stats.json (假设 Scrapyd 运行于端口 6800)
访问 http://127.0.0.1:6800/logs/projectname/spidername/jobid.json 以获取某个爬虫任务的日志分析详情
配合 ScrapydWeb 实现爬虫进度可视化
详见 my8100 / scrapydweb
在 Python 代码中使用
In [1]: from logparser import parse
In [2]: log = “””2018-10-23 18:28:34 [scrapy.utils.log] INFO: Scrapy 1.5.0 started (bot: demo)
…: 2018-10-23 18:29:41 [scrapy.statscollectors] INFO: Dumping Scrapy stats:
…: {‘downloader/exception_count’: 3,
…: ‘downloader/exception_type_count/twisted.internet.error.TCPTimedOutError’: 3,
…: ‘downloader/request_bytes’: 1336,
…: ‘downloader/request_count’: 7,
…: ‘downloader/request_method_count/GET’: 7,
…: ‘downloader/response_bytes’: 1669,
…: ‘downloader/response_count’: 4,
…: ‘downloader/response_status_count/200’: 2,
…: ‘downloader/response_status_count/302’: 1,
…: ‘downloader/response_status_count/404’: 1,
…: ‘dupefilter/filtered’: 1,
…: ‘finish_reason’: ‘finished’,
…: ‘finish_time’: datetime.datetime(2018, 10, 23, 10, 29, 41, 174719),
…: ‘httperror/response_ignored_count’: 1,
…: ‘httperror/response_ignored_status_count/404’: 1,
…: ‘item_scraped_count’: 2,
…: ‘log_count/CRITICAL’: 5,
…: ‘log_count/DEBUG’: 14,
…: ‘log_count/ERROR’: 5,
…: ‘log_count/INFO’: 75,
…: ‘log_count/WARNING’: 3,
…: ‘offsite/domains’: 1,
…: ‘offsite/filtered’: 1,
…: ‘request_depth_max’: 1,
…: ‘response_received_count’: 3,
…: ‘retry/count’: 2,
…: ‘retry/max_reached’: 1,
…: ‘retry/reason_count/twisted.internet.error.TCPTimedOutError’: 2,
…: ‘scheduler/dequeued’: 7,
…: ‘scheduler/dequeued/memory’: 7,
…: ‘scheduler/enqueued’: 7,
…: ‘scheduler/enqueued/memory’: 7,
…: ‘start_time’: datetime.datetime(2018, 10, 23, 10, 28, 35, 70938)}
…: 2018-10-23 18:29:42 [scrapy.core.engine] INFO: Spider closed (finished)”””
In [3]: d = parse(log, headlines=1, taillines=1)
In [4]: d
Out[4]:
OrderedDict([(‘head’,
‘2018-10-23 18:28:34 [scrapy.utils.log] INFO: Scrapy 1.5.0 started (bot: demo)’),
(‘tail’,
‘2018-10-23 18:29:42 [scrapy.core.engine] INFO: Spider closed (finished)’),
(‘first_log_time’, ‘2018-10-23 18:28:34’),
(‘latest_log_time’, ‘2018-10-23 18:29:42’),
(‘elapsed’, ‘0:01:08’),
(‘first_log_timestamp’, 1540290514),
(‘latest_log_timestamp’, 1540290582),
(‘datas’, []),
(‘pages’, 3),
(‘items’, 2),
(‘latest_matches’,
{‘resuming_crawl’: ”,
‘latest_offsite’: ”,
‘latest_duplicate’: ”,
‘latest_crawl’: ”,
‘latest_scrape’: ”,
‘latest_item’: ”,
‘latest_stat’: ”}),
(‘latest_crawl_timestamp’, 0),
(‘latest_scrape_timestamp’, 0),
(‘log_categories’,
{‘critical_logs’: {‘count’: 5, ‘details’: []},
‘error_logs’: {‘count’: 5, ‘details’: []},
‘warning_logs’: {‘count’: 3, ‘details’: []},
‘redirect_logs’: {‘count’: 1, ‘details’: []},
‘retry_logs’: {‘count’: 2, ‘details’: []},
‘ignore_logs’: {‘count’: 1, ‘details’: []}}),
(‘shutdown_reason’, ‘N/A’),
(‘finish_reason’, ‘finished’),
(‘last_update_timestamp’, 1547559048),
(‘last_update_time’, ‘2019-01-15 21:30:48’)])
In [5]: d[‘elapsed’]
Out[5]: ‘0:01:08’
In [6]: d[‘pages’]
Out[6]: 3
In [7]: d[‘items’]
Out[7]: 2
In [8]: d[‘finish_reason’]
Out[8]: ‘finished’