262 lines
12 KiB
Python
262 lines
12 KiB
Python
from argparse import ArgumentParser
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import sys, json, re, os
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from datetime import datetime
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from urllib.parse import urlencode, quote
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from urllib.request import urlopen, URLError, HTTPError
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from etherdump.commands.common import *
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from time import sleep
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from etherdump.commands.html5tidy import html5tidy
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import html5lib
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from xml.etree import ElementTree as ET
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from fnmatch import fnmatch
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# debugging
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# import ElementTree as ET
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"""
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pull(meta):
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Update meta data files for those that have changed.
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Check for changed pads by looking at revisions & comparing to existing
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todo...
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use/prefer public interfaces ? (export functions)
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"""
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def try_deleting (files):
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for f in files:
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try:
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os.remove(f)
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except OSError as e:
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pass
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def main (args):
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p = ArgumentParser("Check for pads that have changed since last sync (according to .meta.json)")
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p.add_argument("padid", nargs="*", default=[])
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p.add_argument("--glob", default=False, help="download pads matching a glob pattern")
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p.add_argument("--padinfo", default=".etherdump/settings.json", help="settings, default: .etherdump/settings.json")
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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)")
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p.add_argument("--pub", default="p", help="folder to store files for public pads, default: p")
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p.add_argument("--group", default="g", help="folder to store files for group pads, default: g")
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p.add_argument("--skip", default=None, type=int, help="skip this many items, default: None")
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p.add_argument("--meta", default=False, action="store_true", help="download meta to PADID.meta.json, default: False")
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p.add_argument("--text", default=False, action="store_true", help="download text to PADID.txt, default: False")
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p.add_argument("--html", default=False, action="store_true", help="download html to PADID.html, default: False")
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p.add_argument("--dhtml", default=False, action="store_true", help="download dhtml to PADID.diff.html, default: False")
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p.add_argument("--all", default=False, action="store_true", help="download all files (meta, text, html, dhtml), default: False")
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p.add_argument("--folder", default=False, action="store_true", help="dump files in a folder named PADID (meta, text, html, dhtml), default: False")
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p.add_argument("--output", default=False, action="store_true", help="output changed padids on stdout")
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p.add_argument("--force", default=False, action="store_true", help="reload, even if revisions count matches previous")
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p.add_argument("--no-raw-ext", default=False, action="store_true", help="save plain text as padname with no (additional) extension")
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p.add_argument("--fix-names", default=False, action="store_true", help="normalize padid's (no spaces, special control chars) for use in file names")
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p.add_argument("--filter-ext", default=None, help="filter pads by extension")
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p.add_argument("--css", default="/styles.css", help="add css url to output pages, default: /styles.css")
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p.add_argument("--script", default="/versions.js", help="add script url to output pages, default: /versions.js")
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p.add_argument("--nopublish", default="__NOPUBLISH__", help="no publish magic word, default: __NOPUBLISH__")
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args = p.parse_args(args)
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raw_ext = ".raw.txt"
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if args.no_raw_ext:
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raw_ext = ""
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info = loadpadinfo(args.padinfo)
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data = {}
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data['apikey'] = info['apikey']
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if args.padid:
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padids = args.padid
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elif args.glob:
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padids = getjson(info['localapiurl']+'listAllPads?'+urlencode(data))['data']['padIDs']
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padids = [x for x in padids if fnmatch(x, args.glob)]
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else:
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padids = getjson(info['localapiurl']+'listAllPads?'+urlencode(data))['data']['padIDs']
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padids.sort()
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numpads = len(padids)
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# maxmsglen = 0
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count = 0
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for i, padid in enumerate(padids):
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print (padid, file=sys.stderr)
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if args.skip != None and i<args.skip:
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continue
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progressbar(i, numpads, padid)
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data['padID'] = padid # .encode("utf-8")
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p = padpath(padid, args.pub, args.group, args.fix_names)
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if args.folder:
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p = os.path.join(p, padid) # padid.encode("utf-8")
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metapath = p + ".meta.json"
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revisions = None
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tries = 1
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skip = False
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padurlbase = re.sub(r"api/1.2.9/$", "p/", info["apiurl"])
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meta = {}
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# if type(padurlbase) == unicode:
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# padurlbase = padurlbase.encode("utf-8")
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while True:
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try:
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if os.path.exists(metapath):
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with open(metapath) as f:
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meta.update(json.load(f))
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revisions = getjson(info['localapiurl']+'getRevisionsCount?'+urlencode(data))['data']['revisions']
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if meta['revisions'] == revisions and not args.force:
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skip=True
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break
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meta['padid'] = padid # .encode("utf-8")
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versions = meta["versions"] = []
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versions.append({
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"url": padurlbase + quote(padid),
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"type": "pad",
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"code": 200
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})
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if revisions == None:
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meta['revisions'] = getjson(info['localapiurl']+'getRevisionsCount?'+urlencode(data))['data']['revisions']
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else:
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meta['revisions' ] = revisions
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if (meta['revisions'] == 0) and (not args.zerorevs):
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# print("Skipping zero revs", file=sys.stderr)
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skip=True
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break
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# todo: load more metadata!
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meta['group'], meta['pad'] = splitpadname(padid)
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meta['pathbase'] = p
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meta['lastedited_raw'] = int(getjson(info['localapiurl']+'getLastEdited?'+urlencode(data))['data']['lastEdited'])
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meta['lastedited_iso'] = datetime.fromtimestamp(int(meta['lastedited_raw'])/1000).isoformat()
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meta['author_ids'] = getjson(info['localapiurl']+'listAuthorsOfPad?'+urlencode(data))['data']['authorIDs']
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break
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except HTTPError as e:
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tries += 1
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if tries > 3:
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print ("Too many failures ({0}), skipping".format(padid), file=sys.stderr)
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skip=True
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break
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else:
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sleep(3)
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except TypeError as e:
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print ("Type Error loading pad {0} (phantom pad?), skipping".format(padid), file=sys.stderr)
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skip=True
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break
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if skip:
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continue
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count += 1
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if args.output:
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print (padid)
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if args.all or (args.meta or args.text or args.html or args.dhtml):
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try:
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os.makedirs(os.path.split(metapath)[0])
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except OSError:
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pass
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if args.all or args.text:
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text = getjson(info['localapiurl']+'getText?'+urlencode(data))
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ver = {"type": "text"}
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versions.append(ver)
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ver["code"] = text["_code"]
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if text["_code"] == 200:
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text = text['data']['text']
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##########################################
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## ENFORCE __NOPUBLISH__ MAGIC WORD
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##########################################
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if args.nopublish and args.nopublish in text:
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# NEED TO PURGE ANY EXISTING DOCS
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print ("NOPUBLISH", file=sys.stderr)
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try_deleting((p+raw_ext,p+".raw.html",p+".diff.html",p+".meta.json"))
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continue
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ver["path"] = p+raw_ext
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ver["url"] = quote(ver["path"])
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with open(ver["path"], "w") as f:
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f.write(text)
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# once the content is settled, compute a hash
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# and link it in the metadata!
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links = []
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if args.css:
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links.append({"href":args.css, "rel":"stylesheet"})
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# todo, make this process reflect which files actually were made
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versionbaseurl = quote(padid)
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links.append({"href":versions[0]["url"], "rel":"alternate", "type":"text/html", "title":"Etherpad"})
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if args.all or args.text:
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links.append({"href":versionbaseurl+raw_ext, "rel":"alternate", "type":"text/plain", "title":"Plain text"})
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if args.all or args.html:
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links.append({"href":versionbaseurl+".raw.html", "rel":"alternate", "type":"text/html", "title":"HTML"})
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if args.all or args.dhtml:
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links.append({"href":versionbaseurl+".diff.html", "rel":"alternate", "type":"text/html", "title":"HTML with author colors"})
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if args.all or args.meta:
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links.append({"href":versionbaseurl+".meta.json", "rel":"alternate", "type":"application/json", "title":"Meta data"})
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# links.append({"href":"/", "rel":"search", "type":"text/html", "title":"Index"})
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if args.all or args.dhtml:
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data['startRev'] = "0"
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html = getjson(info['localapiurl']+'createDiffHTML?'+urlencode(data))
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ver = {"type": "diffhtml"}
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versions.append(ver)
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ver["code"] = html["_code"]
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if html["_code"] == 200:
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try:
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html = html['data']['html']
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ver["path"] = p+".diff.html"
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ver["url"] = quote(ver["path"])
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# doc = html5lib.parse(html, treebuilder="etree", override_encoding="utf-8", namespaceHTMLElements=False)
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doc = html5lib.parse(html, treebuilder="etree", namespaceHTMLElements=False)
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html5tidy(doc, indent=True, title=padid, scripts=args.script, links=links)
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with open(ver["path"], "w") as f:
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# f.write(html.encode("utf-8"))
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print(ET.tostring(doc, method="html", encoding="unicode"), file=f)
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except TypeError:
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# Malformed / incomplete response, record the message (such as "internal error") in the metadata and write NO file!
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ver["message"] = html["message"]
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# with open(ver["path"], "w") as f:
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# print ("""<pre>{0}</pre>""".format(json.dumps(html, indent=2)), file=f)
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# Process text, html, dhtml, all options
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if args.all or args.html:
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html = getjson(info['localapiurl']+'getHTML?'+urlencode(data))
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ver = {"type": "html"}
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versions.append(ver)
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ver["code"] = html["_code"]
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if html["_code"] == 200:
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html = html['data']['html']
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ver["path"] = p+".raw.html"
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ver["url"] = quote(ver["path"])
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# JUN 2016: chaning to save REALLY the RAW / unchanged HTML from the API
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with open(ver["path"], "w") as f:
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print(html, file=f)
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# doc = html5lib.parse(html, treebuilder="etree", namespaceHTMLElements=False)
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# html5tidy(doc, indent=True, title=padid, scripts=args.script, links=links)
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# with open(ver["path"], "w") as f:
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# # f.write(html.encode("utf-8"))
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# print (ET.tostring(doc, method="html", encoding="unicode"), file=f)
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# output meta
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if args.all or args.meta:
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ver = {"type": "meta"}
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versions.append(ver)
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ver["path"] = metapath
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ver["url"] = quote(metapath)
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with open(metapath, "w") as f:
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json.dump(meta, f, indent=2)
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print("\n{0} pad(s) loaded".format(count), file=sys.stderr)
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