add urlwatch

urlwatch/Dockerfile

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+#
+# Dockerfile for urlwatch
+#
+
+FROM alpine
+MAINTAINER kev <noreply@datageek.info>
+
+RUN apk add -U ca-certificates \
+               build-base \
+               libxml2 \
+               libxml2-dev \
+               libxslt \
+               libxslt-dev \
+               make \
+               python-dev \
+               py-pip \
+    && pip install keyring \
+                   lxml \
+                   urlwatch \
+                   yaml \
+    && apk del build-base \
+               libxml2-dev \
+               libxslt-dev \
+               python-dev \
+    && rm -rf /var/cache/apk/* \
+    && echo '*/15 * * * * cd ~/.urlwatch && make' | crontab
+
+COPY urlwatch /root/.urlwatch
+
+CMD ["crond", "-f", "-L", "/dev/stdout"]

urlwatch/README.md

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+urlwatch
+========
+
+[urlwatch][1] - a tool for monitoring webpages for updates
+
+[1]: thp.io/2008/urlwatch/

urlwatch/urlwatch/Makefile

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+SHELL = /bin/bash
+PATH := /usr/local/bin:$(PATH)
+
+SMTP = smtp.datageek.info:587
+FROM = urlwatch@datageek.info
+TO = noreply@datageek.info
+
+all: urls.txt
+	urlwatch -s $(SMTP) -f $(FROM) -t $(TO) -A -T
+
+urls.txt: urls.yml
+	python lib/hooks.py
+

urlwatch/urlwatch/lib/hooks.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# version detector for urlwatch
+#
+
+import lxml.html
+import os.path
+import re
+import yaml
+
+
+urlwatch_dir = os.path.expanduser(os.path.join('~', '.urlwatch'))
+urls_txt = os.path.join(urlwatch_dir, 'urls.txt')
+urls_yml = os.path.join(urlwatch_dir, 'urls.yml')
+config = yaml.load(open(urls_yml))
+
+
+def filter(url, data):
+
+    for key, cfg in config.items():
+        if url.endswith('#' + key):
+            exp = cfg['exp']
+            break
+    else:
+        return data
+
+    try:
+        dom = lxml.html.fromstring(data.encode('utf-8'))
+        txt = dom.xpath(exp)[0]
+        ver = re.search(r'([0-9]+\.)*[0-9]+', txt).group(0)
+        return '{}: {}\n'.format(key, ver)
+    except:
+        return '{}: {}\n'.format(key, 'unknown')
+
+
+if __name__ == '__main__':
+
+    print 'Generating <urls.txt> ...',
+    urls = ['{0[url]}#{1}\n'.format(cfg, key) for key, cfg in config.items()]
+    with open(urls_txt, 'w') as f:
+        f.writelines(urls)
+    print 'OK!'
+

urlwatch/urlwatch/urls.yml

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+vagrant:
+  url: https://www.vagrantup.com/downloads.html
+  exp: //h2[@class="os-name" and .="Mac OS X"]/following-sibling::ul/li/a/@href
+
+coreos:
+  url: https://coreos.com
+  exp: //div[@class="co-p-homepage-release-text"]/text()
+
+git:
+  url: http://git-scm.com
+  exp: //span[@class="version"]/text()
+
+phantomjs:
+  url: http://phantomjs.org
+  exp: //span[@class="version"]/text()
+
+firefox:
+  url: https://www.mozilla.org/en-US/firefox/new/
+  exp: //li[@class="os_osx"]/a[@class="download-link"]/@href
+
+python:
+  url: https://www.python.org/downloads/
+  exp: //div[@class="download-unknown"]/p[@class]/a[1]/text()
+
+ubuntu:
+  url: http://www.ubuntu.com/download/server
+  exp: //div[contains(@class, "row-hero")]//h2/text()
+
+mongodb:
+  url: https://www.mongodb.org/downloads
+  exp: //h2[@class="release-version" and contains(., "Production")]/text()
+
+jquery:
+  url: http://jquery.com
+  exp: //span[@class="download"]/following-sibling::span/text()
+
+vim:
+  url: http://en.wikipedia.org/wiki/Vim_%28text_editor%29
+  exp: //th[a="Stable release"]/following-sibling::td/text()
+
+redis:
+  url: http://redis.io
+  exp: //a[contains(@href, "/releases/")]/text()
+
+scrapy:
+  url: https://github.com/scrapy/scrapy/releases
+  exp: //ul[@class="release-timeline-tags"]/li[1]//span[@class="tag-name"]/text()
+
+scrapyd:
+  url: https://github.com/scrapy/scrapyd/releases
+  exp: //div[contains(@class, "label-latest")]//h1[@class="release-title"]/a/text()
+
+shadowsocks:
+  url: https://github.com/shadowsocks/shadowsocks/releases
+  exp: //ul[@class="release-timeline-tags"]/li[1]//span[@class="tag-name"]/text()
+
+urlwatch:
+  url: https://github.com/thp/urlwatch/releases
+  exp: //ul[@class="release-timeline-tags"]/li[1]//span[@class="tag-name"]/text()
+
+influxdb:
+  url: http://influxdb.com/download/
+  exp: //h1[.="Download"]/following-sibling::h3[contains(., "Stable")][1]/text()
+
+monit:
+  url: http://mmonit.com/monit/changes/
+  exp: //div[@class="container"]/div[@class="row"][1]//h3/a/text()
+