varia/etherpump
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An initial stab at a async ready pull

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This commit is contained in:
Luke Murphy 2020-01-20 16:03:49 +01:00
parent 2c38e5a267
commit 142d1d4f5a
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GPG Key ID: 5E2EF5A63E3718CC
2 changed files with 100 additions and 46 deletions
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28
etherpump/commands/common.py
View File

@ -7,6 +7,8 @@ from time import sleep
from urllib.parse import quote_plus, unquote_plus
from urllib.request import HTTPError, urlopen
import trio
groupnamepat = re.compile(r"^g\.(\w+)\$")
@ -73,6 +75,27 @@ def getjson(url, max_retry=3, retry_sleep_time=3):
return ret
async def agetjson(session, url):
"""The asynchronous version of getjson."""
RETRY = 20
TIMEOUT = 10
ret = {}
ret["_retries"] = 0
try:
response = await session.get(url, timeout=TIMEOUT, retries=RETRY)
rurl = response.url
ret.update(response.json())
ret["_code"] = response.status_code
if rurl != url:
ret["_url"] = rurl
return ret
except Exception as e:
print('Failed to download {}, saw {}'.format(url, str(e)))
return
def loadpadinfo(p):
with open(p) as f:
info = json.load(f)
@ -112,3 +135,8 @@ def unescape(text):
def istty():
return sys.stdout.isatty() and os.environ.get('TERM') != 'dumb'
def chunks(lst, n):
for i in range(0, len(lst), n):
yield lst[i : i + n]

118
etherpump/commands/pull.py
View File

@ -1,18 +1,20 @@
"""Check for pads that have changed since last sync (according to .meta.json)"""
import json
import math
import os
import re
import sys
from argparse import ArgumentParser
from datetime import datetime
from fnmatch import fnmatch
from time import sleep
from urllib.parse import quote, urlencode
from urllib.request import HTTPError
from xml.etree import ElementTree as ET
import asks
import html5lib
import trio
from tqdm import tqdm
from etherpump.commands.common import * # noqa
@ -71,6 +73,12 @@ def build_argument_parser(args):
type=int,
help="skip this many items, default: None",
)
parser.add_argument(
"--connection",
default=5,
type=int,
help="number of connections to run concurrently",
)
parser.add_argument(
"--meta",
default=False,
@ -163,25 +171,27 @@ def build_argument_parser(args):
return parser
def get_padids(args, info, data):
async def get_padids(args, info, data, session):
if args.padid:
padids = args.padid
elif args.glob:
padids = getjson(
info['localapiurl'] + 'listAllPads?' + urlencode(data)
)['data']['padIDs']
url = info['localapiurl'] + 'listAllPads?' + urlencode(data)
padids = await agetjson(session, url)
padids = padids['data']['padIDs']
padids = [x for x in padids if fnmatch(x, args.glob)]
else:
padids = getjson(
info['localapiurl'] + 'listAllPads?' + urlencode(data)
)['data']['padIDs']
url = info['localapiurl'] + 'listAllPads?' + urlencode(data)
padids = await agetjson(session, url)
padids = padids['data']['padIDs']
padids.sort()
return padids
def handle_pad(args, index, padid, data, info, raw_ext):
if args.skip != None and index < args.skip:
return
async def handle_pad(args, padid, data, info, session):
raw_ext = ".raw.txt"
if args.no_raw_ext:
raw_ext = ""
data['padID'] = padid
p = padpath(padid, args.pub, args.group, args.fix_names)
@ -200,9 +210,11 @@ def handle_pad(args, index, padid, data, info, raw_ext):
if os.path.exists(metapath):
with open(metapath) as f:
meta.update(json.load(f))
revisions = getjson(
url = (
info['localapiurl'] + 'getRevisionsCount?' + urlencode(data)
)['data']['revisions']
)
response = await agetjson(session, url)
revisions = response['data']['revisions']
if meta['revisions'] == revisions and not args.force:
skip = True
break
@ -214,9 +226,11 @@ def handle_pad(args, index, padid, data, info, raw_ext):
)
if revisions is None:
meta['revisions'] = getjson(
url = (
info['localapiurl'] + 'getRevisionsCount?' + urlencode(data)
)['data']['revisions']
)
response = await agetjson(session, url)
meta['revisions'] = response['data']['revisions']
else:
meta['revisions'] = revisions
@ -227,17 +241,19 @@ def handle_pad(args, index, padid, data, info, raw_ext):
# todo: load more metadata!
meta['group'], meta['pad'] = splitpadname(padid)
meta['pathbase'] = p
meta['lastedited_raw'] = int(
getjson(
info['localapiurl'] + 'getLastEdited?' + urlencode(data)
)['data']['lastEdited']
)
url = info['localapiurl'] + 'getLastEdited?' + urlencode(data)
response = await agetjson(session, url)
meta['lastedited_raw'] = int(response['data']['lastEdited'])
meta['lastedited_iso'] = datetime.fromtimestamp(
int(meta['lastedited_raw']) / 1000
).isoformat()
meta['author_ids'] = getjson(
info['localapiurl'] + 'listAuthorsOfPad?' + urlencode(data)
)['data']['authorIDs']
url = info['localapiurl'] + 'listAuthorsOfPad?' + urlencode(data)
response = await agetjson(session, url)
meta['author_ids'] = response['data']['authorIDs']
break
except HTTPError as e:
tries += 1
@ -249,7 +265,7 @@ def handle_pad(args, index, padid, data, info, raw_ext):
skip = True
break
else:
sleep(3)
await trio.sleep(3)
except TypeError as e:
print(
"Type Error loading pad {0} (phantom pad?), skipping".format(
@ -273,7 +289,8 @@ def handle_pad(args, index, padid, data, info, raw_ext):
pass
if args.all or args.text:
text = getjson(info['localapiurl'] + 'getText?' + urlencode(data))
url = info['localapiurl'] + 'getText?' + urlencode(data)
text = await agetjson(session, url)
ver = {"type": "text"}
versions.append(ver)
ver["code"] = text["_code"]
@ -368,9 +385,8 @@ def handle_pad(args, index, padid, data, info, raw_ext):
if args.all or args.dhtml:
data['startRev'] = "0"
html = getjson(
info['localapiurl'] + 'createDiffHTML?' + urlencode(data)
)
url = info['localapiurl'] + 'createDiffHTML?' + urlencode(data)
html = await agetjson(session, url)
ver = {"type": "diffhtml"}
versions.append(ver)
ver["code"] = html["_code"]
@ -399,7 +415,8 @@ def handle_pad(args, index, padid, data, info, raw_ext):
# Process text, html, dhtml, all options
if args.all or args.html:
html = getjson(info['localapiurl'] + 'getHTML?' + urlencode(data))
url = info['localapiurl'] + 'getHTML?' + urlencode(data)
html = await agetjson(session, url)
ver = {"type": "html"}
versions.append(ver)
ver["code"] = html["_code"]
@ -428,24 +445,33 @@ def handle_pad(args, index, padid, data, info, raw_ext):
json.dump(meta, f, indent=2)
def main(args):
p = build_argument_parser(args)
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']
padids = get_padids(args, info, data)
async def handle_pad_chunk(args, padids, data, info, session):
progress_kwargs = {}
if not istty():
progress_kwargs.update(dict(disable=True))
progress_pads = tqdm(iterable=padids, total=len(padids), **progress_kwargs)
for index, padid in enumerate(progress_pads):
handle_pad(args, index, padid, data, info, raw_ext)
padids = tqdm(iterable=padids, total=len(padids), **progress_kwargs,)
for padid in padids:
await handle_pad(args, padid, data, info, session)
async def handle_pads(args):
session = asks.Session(connections=args.connection)
info = loadpadinfo(args.padinfo)
data = {'apikey': info['apikey']}
padids = await get_padids(args, info, data, session)
if args.skip:
padids = padids[args.skip : len(padids)]
CHUNK_SIZE = math.ceil(len(padids) / 3)
async with trio.open_nursery() as nursery:
for padids in chunks(padids, CHUNK_SIZE):
_args = (args, padids, data, info, session)
nursery.start_soon(handle_pad_chunk, *_args)
def main(args):
p = build_argument_parser(args)
args = p.parse_args(args)
trio.run(handle_pads, args)