Pumping pads as files into publishing frameworks!
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from __future__ import print_function
from argparse import ArgumentParser
import sys, json, re, os
from datetime import datetime
try:
# python2
from urllib2 import urlopen, URLError, HTTPError
from urllib import urlencode
except ImportError:
# python3
from urllib.parse import urlencode, quote
from urllib.request import urlopen, URLError, HTTPError
from etherdump.commands.common import *
from time import sleep
from etherdump.commands.html5tidy import html5tidy
import html5lib
from xml.etree import ElementTree as ET
from fnmatch import fnmatch
# debugging
# import ElementTree as ET
"""
pull(meta):
Update meta data files for those that have changed.
Check for changed pads by looking at revisions & comparing to existing
todo...
use/prefer public interfaces ? (export functions)
"""
def try_deleting (files):
for f in files:
try:
os.remove(f)
except OSError as e:
pass
def main (args):
p = ArgumentParser("Check for pads that have changed since last sync (according to .meta.json)")
p.add_argument("padid", nargs="*", default=[])
p.add_argument("--glob", default=False, help="download pads matching a glob pattern")
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("--pub", default="p", help="folder to store files for public pads, default: p")
p.add_argument("--group", default="g", help="folder to store files for group pads, default: g")
p.add_argument("--skip", default=None, type=int, help="skip this many items, default: None")
p.add_argument("--meta", default=False, action="store_true", help="download meta to PADID.meta.json, default: False")
p.add_argument("--text", default=False, action="store_true", help="download text to PADID.txt, default: False")
p.add_argument("--html", default=False, action="store_true", help="download html to PADID.html, default: False")
p.add_argument("--dhtml", default=False, action="store_true", help="download dhtml to PADID.diff.html, default: False")
p.add_argument("--all", default=False, action="store_true", help="download all files (meta, text, html, dhtml), default: False")
p.add_argument("--folder", default=False, action="store_true", help="dump files in a folder named PADID (meta, text, html, dhtml), default: False")
p.add_argument("--output", default=False, action="store_true", help="output changed padids on stdout")
p.add_argument("--force", default=False, action="store_true", help="reload, even if revisions count matches previous")
p.add_argument("--no-raw-ext", default=False, action="store_true", help="save plain text as padname with no (additional) extension")
p.add_argument("--fix-names", default=False, action="store_true", help="normalize padid's (no spaces, special control chars) for use in file names")
p.add_argument("--filter-ext", default=None, help="filter pads by extension")
p.add_argument("--css", default="/styles.css", help="add css url to output pages, default: /styles.css")
p.add_argument("--script", default="/versions.js", help="add script url to output pages, default: /versions.js")
p.add_argument("--nopublish", default="__NOPUBLISH__", help="no publish magic word, default: __NOPUBLISH__")
args = p.parse_args(args)
raw_ext = ".raw.txt"
if args.no_raw_ext:
raw_ext = ""
info = loadpadinfo(args.padinfo)
data = {}
data['apikey'] = info['apikey']
if args.padid:
padids = args.padid
elif args.glob:
padids = getjson(info['apiurl']+'listAllPads?'+urlencode(data))['data']['padIDs']
padids = [x for x in padids if fnmatch(x, args.glob)]
else:
padids = getjson(info['apiurl']+'listAllPads?'+urlencode(data))['data']['padIDs']
padids.sort()
numpads = len(padids)
# maxmsglen = 0
count = 0
for i, padid in enumerate(padids):
if args.skip != None and i<args.skip:
continue
progressbar(i, numpads, padid)
data['padID'] = padid.encode("utf-8")
p = padpath(padid, args.pub, args.group, args.fix_names)
if args.folder:
p = os.path.join(p, padid.encode("utf-8"))
metapath = p + ".meta.json"
revisions = None
tries = 1
skip = False
padurlbase = re.sub(r"api/1.2.9/$", "p/", info["apiurl"])
meta = {}
# if type(padurlbase) == unicode:
# padurlbase = padurlbase.encode("utf-8")
while True:
try:
if os.path.exists(metapath):
with open(metapath) as f:
meta.update(json.load(f))
revisions = getjson(info['apiurl']+'getRevisionsCount?'+urlencode(data))['data']['revisions']
if meta['revisions'] == revisions and not args.force:
skip=True
break
meta['padid'] = padid # .encode("utf-8")
versions = meta["versions"] = []
versions.append({
"url": padurlbase + quote(padid),
"type": "pad",
"code": 200
})
if revisions == None:
meta['revisions'] = getjson(info['apiurl']+'getRevisionsCount?'+urlencode(data))['data']['revisions']
else:
meta['revisions' ] = revisions
if (meta['revisions'] == 0) and (not args.zerorevs):
# print("Skipping zero revs", file=sys.stderr)
skip=True
break
# todo: load more metadata!
meta['group'], meta['pad'] = splitpadname(padid)
meta['pathbase'] = p
meta['lastedited_raw'] = int(getjson(info['apiurl']+'getLastEdited?'+urlencode(data))['data']['lastEdited'])
meta['lastedited_iso'] = datetime.fromtimestamp(int(meta['lastedited_raw'])/1000).isoformat()
meta['author_ids'] = getjson(info['apiurl']+'listAuthorsOfPad?'+urlencode(data))['data']['authorIDs']
break
except HTTPError as e:
tries += 1
if tries > 3:
print ("Too many failures ({0}), skipping".format(padid), file=sys.stderr)
skip=True
break
else:
sleep(3)
except TypeError as e:
print ("Type Error loading pad {0} (phantom pad?), skipping".format(padid), file=sys.stderr)
skip=True
break
if skip:
continue
count += 1
if args.output:
print (padid)
if args.all or (args.meta or args.text or args.html or args.dhtml):
try:
os.makedirs(os.path.split(metapath)[0])
except OSError:
pass
if args.all or args.text:
text = getjson(info['apiurl']+'getText?'+urlencode(data))
ver = {"type": "text"}
versions.append(ver)
ver["code"] = text["_code"]
if text["_code"] == 200:
text = text['data']['text']
##########################################
## ENFORCE __NOPUBLISH__ MAGIC WORD
##########################################
if args.nopublish and args.nopublish in text:
# NEED TO PURGE ANY EXISTING DOCS
try_deleting((p+raw_ext,p+".raw.html",p+".diff.html",p+".meta.json"))
continue
ver["path"] = p+raw_ext
ver["url"] = quote(ver["path"])
with open(ver["path"], "w") as f:
f.write(text)
# once the content is settled, compute a hash
# and link it in the metadata!
links = []
if args.css:
links.append({"href":args.css, "rel":"stylesheet"})
# todo, make this process reflect which files actually were made
versionbaseurl = quote(padid)
links.append({"href":versions[0]["url"], "rel":"alternate", "type":"text/html", "title":"Etherpad"})
if args.all or args.text:
links.append({"href":versionbaseurl+raw_ext, "rel":"alternate", "type":"text/plain", "title":"Plain text"})
if args.all or args.html:
links.append({"href":versionbaseurl+".raw.html", "rel":"alternate", "type":"text/html", "title":"HTML"})
if args.all or args.dhtml:
links.append({"href":versionbaseurl+".diff.html", "rel":"alternate", "type":"text/html", "title":"HTML with author colors"})
if args.all or args.meta:
links.append({"href":versionbaseurl+".meta.json", "rel":"alternate", "type":"application/json", "title":"Meta data"})
# links.append({"href":"/", "rel":"search", "type":"text/html", "title":"Index"})
if args.all or args.dhtml:
data['startRev'] = "0"
html = getjson(info['apiurl']+'createDiffHTML?'+urlencode(data))
ver = {"type": "diffhtml"}
versions.append(ver)
ver["code"] = html["_code"]
if html["_code"] == 200:
try:
html = html['data']['html']
ver["path"] = p+".diff.html"
ver["url"] = quote(ver["path"])
# doc = html5lib.parse(html, treebuilder="etree", override_encoding="utf-8", namespaceHTMLElements=False)
doc = html5lib.parse(html, treebuilder="etree", namespaceHTMLElements=False)
html5tidy(doc, indent=True, title=padid, scripts=args.script, links=links)
with open(ver["path"], "w") as f:
# f.write(html.encode("utf-8"))
print(ET.tostring(doc, method="html", encoding="unicode"), file=f)
except TypeError:
# Malformed / incomplete response, record the message (such as "internal error") in the metadata and write NO file!
ver["message"] = html["message"]
# with open(ver["path"], "w") as f:
# print ("""<pre>{0}</pre>""".format(json.dumps(html, indent=2)), file=f)
# Process text, html, dhtml, all options
if args.all or args.html:
html = getjson(info['apiurl']+'getHTML?'+urlencode(data))
ver = {"type": "html"}
versions.append(ver)
ver["code"] = html["_code"]
if html["_code"] == 200:
html = html['data']['html']
ver["path"] = p+".raw.html"
ver["url"] = quote(ver["path"])
doc = html5lib.parse(html, treebuilder="etree", namespaceHTMLElements=False)
html5tidy(doc, indent=True, title=padid, scripts=args.script, links=links)
with open(ver["path"], "w") as f:
# f.write(html.encode("utf-8"))
print (ET.tostring(doc, method="html", encoding="unicode"), file=f)
# output meta
if args.all or args.meta:
ver = {"type": "meta"}
versions.append(ver)
ver["path"] = metapath
ver["url"] = quote(metapath)
with open(metapath, "w") as f:
json.dump(meta, f, indent=2)
print("\n{0} pad(s) loaded".format(count), file=sys.stderr)