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rss generation

add-quote-import
Michael Murtaugh 9 years ago
parent
commit
c4f3f95029
  1. 101
      etherdump/commands/rss.py
  2. 34
      etherdump/data/templates/rss.xml

101
etherdump/commands/rss.py

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#!/usr/bin/env python
from __future__ import print_function
from argparse import ArgumentParser
import sys, json, re, os
from datetime import datetime
from urllib import urlencode
from urllib2 import HTTPError
from jinja2 import FileSystemLoader, Environment
from common import *
from time import sleep
import dateutil.parser
"""
rss:
Generate an RSS feed from an etherdump.
"""
def group (items, key=lambda x: x):
ret = []
keys = {}
for item in items:
k = key(item)
if k not in keys:
keys[k] = []
keys[k].append(item)
for k in sorted(keys):
keys[k].sort()
ret.append(keys[k])
return ret
def base (x):
return re.sub(r"(\.raw\.html)|(\.diff\.html)|(\.meta\.json)|(\.raw\.txt)$", "", x)
def main (args):
p = ArgumentParser("Check for pads that have changed since last sync (according to .meta.json)")
p.add_argument("input", nargs="+", help="filenames")
p.add_argument("--templates", default=None, help="templates path")
p.add_argument("--padinfo", default=".etherdump/settings.json", help="settings, default: .etherdump/settings.json")
p.add_argument("--zerorevs", default=False, action="store_true", help="include pads with zero revisions, default: False (i.e. pads with no revisions are skipped)")
p.add_argument("--skip", default=None, type=int, help="skip this many items, default: None")
p.add_argument("--type", default="lastchanges", help="type of feed, default: lastchanges")
p.add_argument("--title", default="etherpad", help="rss feed channel title, default: etherpad")
p.add_argument("--description", default="", help="channel description, default: empty")
p.add_argument("--language", default="en-US", help="feed language, default: en-US")
p.add_argument("--updatePeriod", default="daily", help="updatePeriod, possible values: hourly, daily, weekly, monthly, yearly; default: daily")
p.add_argument("--updateFrequency", default=1, type=int, help="update frequency within the update period (where 2 would mean twice per period); default: 1")
p.add_argument("--padurl", default=None, help="to use as channel link, default: padurl")
p.add_argument("--feedurl", default="feed.xml", help="to use as feeds own (self) link, default: feed.xml")
p.add_argument("--generator", default="https://gitlab.com/activearchives/etherdump", help="generator, default: https://gitlab.com/activearchives/etherdump")
p.add_argument("--itemlink", default="pad", help="item to link to in feed, possible values: pad, text, html, dhtml; default: pad")
p.add_argument("--chronological", default=False, action="store_true", help="order chronologically, default: False")
args = p.parse_args(args)
tmpath = args.templates
if tmpath == None:
tmpath = os.path.split(os.path.abspath(__file__))[0]
tmpath = os.path.split(tmpath)[0]
tmpath = os.path.join(tmpath, "data", "templates")
env = Environment(loader=FileSystemLoader(tmpath))
template = env.get_template("rss.xml")
info = loadpadinfo(args.padinfo)
inputs = args.input
inputs.sort()
inputs = group(inputs, base)
def loadmeta(paths):
for p in paths:
if p.endswith(".meta.json"):
with open(p) as f:
return json.load(f)
def fixdates (padmeta):
d = dateutil.parser.parse(padmeta["lastedited_iso"])
padmeta["lastedited"] = d
padmeta["lastedited_822"] = d.strftime("%a, %d %b %Y %H:%M:%S +0000")
return padmeta
pads = map(loadmeta, inputs)
pads = map(fixdates, pads)
args.pads = pads
# args.timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
padurlbase = re.sub(r"api/1.2.9/$", "p/", info["apiurl"])
if type(padurlbase) == unicode:
padurlbase = padurlbase.encode("utf-8")
args.padurl = args.padurl or padurlbase
args.utcnow = datetime.utcnow().strftime("%a, %d %b %Y %H:%M:%S +0000")
# from pprint import pprint
# pprint(inputs)
print (template.render(vars(args)).encode("utf-8"))

34
etherdump/data/templates/rss.xml

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<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:wfw="http://wellformedweb.org/CommentAPI/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
>
<channel>
<title>{{title}}</title>
<atom:link href="{{feedurl}}" rel="self" type="application/rss+xml" />
<link>{{padurl}}</link>
<description>{{description}}</description>
<lastBuildDate>{{utcnow}}</lastBuildDate>
<language>{{language}}</language>
<sy:updatePeriod>{{updatePeriod}}</sy:updatePeriod>
<sy:updateFrequency>{{updateFrequency}}</sy:updateFrequency>
<generator>{{generator}}</generator>
{% for p in pads %}
<item>
<title>{{p.pad}}</title>
<link>{{p.versions[0].url}}</link>
<pubDate>{{p.lastedited_822}}</pubDate>
<dc:creator><![CDATA[-]]></dc:creator>
<category><![CDATA[-]]></category>
<guid isPermaLink="false">{{p.versions[0].url}}</guid>
<description><![CDATA[{{p.description}}]]></description>
<content:encoded><![CDATA[{{p.content}}]]></content:encoded>
</item>
{% endfor %}
</channel>
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