def db_fiddle():
print("Fixing DB things.")
print("Getting IDs")
have = db.get_session().execute("""
SELECT id FROM web_pages WHERE url LIKE 'https://www.wattpad.com/story%' AND state != 'new';
""")
print("Query executed. Fetching results")
have = list(have)
print(len(have))
count = 0
chunk = []
for item, in have:
chunk.append(item)
count += 1
if count % 1000 == 0:
statement = db.get_session().query(db.WebPages) \
.filter(db.WebPages.state != 'new') \
.filter(db.WebPages.id.in_(chunk))
# statement = db.get_session().update(db.WebPages)
statement.update({db.WebPages.state : 'new'}, synchronize_session=False)
chunk = []
print(count, item)
db.get_session().commit()
def do_link_batch_update(self):
if not self.batched_links:
return
self.log.info("Inserting %s items into DB in batch.", len(self.batched_links))
while 1:
try:
cmd = text("""
INSERT INTO
web_pages
(url, starturl, netloc, distance, is_text, priority, type, fetchtime, state)
VALUES
(:url, :starturl, :netloc, :distance, :is_text, :priority, :type, :fetchtime, :state)
ON CONFLICT DO NOTHING
""")
for paramset in self.batched_links:
db.get_session().execute(cmd, params=paramset)
db.get_session().commit()
self.batched_links = []
break
except KeyboardInterrupt:
self.log.info("Keyboard Interrupt?")
db.get_session().rollback()
except sqlalchemy.exc.InternalError:
self.log.info("Transaction error. Retrying.")
traceback.print_exc()
db.get_session().rollback()
except sqlalchemy.exc.OperationalError:
self.log.info("Transaction error. Retrying.")
traceback.print_exc()
db.get_session().rollback()
def clear_blocked():
for ruleset in WebMirror.rules.load_rules():
if ruleset['netlocs'] and ruleset['badwords']:
# mask = [db.WebPages.url.like("%{}%".format(tmp)) for tmp in ruleset['badwords'] if not "%" in tmp]
for badword in ruleset['badwords']:
feed_items = db.get_session().query(db.WebPages) \
.filter(db.WebPages.netloc.in_(ruleset['netlocs'])) \
.filter(db.WebPages.url.like("%{}%".format(badword))) \
.count()
if feed_items:
print("Have: ", feed_items, badword)
feed_items = db.get_session().query(db.WebPages) \
.filter(db.WebPages.netloc.in_(ruleset['netlocs'])) \
.filter(db.WebPages.url.like("%{}%".format(badword))) \
.delete(synchronize_session=False)
db.get_session().expire_all()
else:
print("Empty: ", feed_items, badword)
# print(mask)
# print(ruleset['netlocs'])
# print(ruleset['badwords'])
pass
def clear_bad():
from sqlalchemy.dialects import postgresql
rules = WebMirror.rules.load_rules()
for ruleset in rules:
# print(ruleset['netlocs'])
# print(ruleset.keys())
for badword in ruleset['badwords']:
if not ruleset['netlocs']:
continue
if "%" in badword:
print(badword)
else:
q = db.get_session().query(db.WebPages) \
.filter(db.WebPages.netloc.in_(ruleset['netlocs'])) \
.filter(db.WebPages.url.like("%{}%".format(badword)))
items = q.count()
if items:
print("%s results for : '%s'" % (items, badword))
q = db.get_session().query(db.WebPages) \
.filter(db.WebPages.netloc.in_(ruleset['netlocs'])) \
.filter(db.WebPages.url.like("%{}%".format(badword))) \
.delete(synchronize_session=False)
db.get_session().commit()
def resetInProgress():
print("Resetting any stalled downloads from the previous session.")
# db.get_session().begin()
db.get_session().query(db.WebPages) \
.filter((db.WebPages.state == "fetching") | (db.WebPages.state == "processing")) \
.update({db.WebPages.state : "new"})
db.get_session().commit()
def update_feed_names(): for key, value in feedNameLut.mapper.items(): feed_items = db.get_session().query(db.FeedItems) \ .filter(db.FeedItems.srcname == key) \ .all() if feed_items: for item in feed_items: item.srcname = value print(len(feed_items)) print(key, value) db.get_session().commit()
def doCall(self):
session = db.get_session()
item = session.query(db.PluginStatus).filter(db.PluginStatus.plugin_name==self.job_name).one()
if item.is_running:
session.commit()
self.log.error("Plugin %s is already running! Not doing re-entrant call!", self.job_name)
return
item.is_running = True
item.last_run = datetime.datetime.now()
session.commit()
try:
self._doCall()
except Exception:
item.last_error = datetime.datetime.now()
item.last_error_msg = traceback.format_exc()
raise
finally:
item.is_running = False
item.last_run_end = datetime.datetime.now()
session.commit()
db.delete_session()
def delete_comment_feed_items():
sess = db.get_session()
bad = sess.query(db.FeedItems) \
.filter(or_(
db.FeedItems.contenturl.like("%#comment-%"),
db.FeedItems.contenturl.like("%CommentsForInMyDaydreams%"),
db.FeedItems.contenturl.like("%www.fanfiction.net%"),
db.FeedItems.contenturl.like("%www.fictionpress.com%"),
db.FeedItems.contenturl.like("%www.booksie.com%"))) \
.order_by(db.FeedItems.contenturl) \
.all()
count = 0
for bad in bad:
print(bad.contenturl)
while bad.author:
bad.author.pop()
while bad.tags:
bad.tags.pop()
sess.delete(bad)
count += 1
if count % 1000 == 0:
print("Committing at %s" % count)
sess.commit()
print("Done. Committing...")
sess.commit()
def longest_rows():
print("Getting longest rows from database")
have = db.get_session().execute("""
SELECT
id, url, length(content), content
FROM
web_pages
ORDER BY
LENGTH(content) DESC NULLS LAST
LIMIT 50;
""")
print("Rows:")
import os
import os.path
savepath = "./large_files/"
for row in have:
print(row[0], row[1])
try:
os.makedirs(savepath)
except FileExistsError:
pass
with open(os.path.join(savepath, "file %s.txt" % row[0]), "wb") as fp:
urlst = "URL: %s\n\n" % row[1]
size = "Length: %s\n\n" % row[2]
fp.write(urlst.encode("utf-8"))
fp.write(size.encode("utf-8"))
fp.write("{}".format(row[3]).encode("utf-8"))
def fix_null():
step = 50000
end = db.get_session().execute("""SELECT MAX(id) FROM web_pages WHERE ignoreuntiltime IS NULL;""")
end = list(end)[0][0]
start = db.get_session().execute("""SELECT MIN(id) FROM web_pages WHERE ignoreuntiltime IS NULL;""")
start = list(start)[0][0]
changed = 0
if not start:
print("No null rows to fix!")
return
start = start - (start % step)
for x in range(start, end, step):
# SQL String munging! I'm a bad person!
# Only done because I can't easily find how to make sqlalchemy
# bind parameters ignore the postgres specific cast
# The id range forces the query planner to use a much smarter approach which is much more performant for small numbers of updates
have = db.get_session().execute("""UPDATE web_pages SET ignoreuntiltime = 'epoch'::timestamp WHERE ignoreuntiltime IS NULL AND id < %s AND id >= %s;""" % (x, x-step))
# print()
print('%10i, %7.4f, %6i' % (x, x/end * 100, have.rowcount))
changed += have.rowcount
if changed > 10000:
print("Committing (%s changed rows)...." % changed, end=' ')
db.get_session().commit()
print("done")
changed = 0
db.get_session().commit()
def getDistinctNetlocs(): query = database.get_session().query(database.WebPages) \ .filter(database.WebPages.is_text == True) \ .filter(database.WebPages.file == None) \ .filter(database.WebPages.state == 'complete') \ .distinct(database.WebPages.netloc) \ .with_entities(database.WebPages.id, database.WebPages.netloc) # print(query) vals = query.all() return vals
def handleRateLimiting(params, job, engine):
allowable = params[0]
with FETCH_LOCK:
if not job.netloc in ACTIVE_FETCHES:
ACTIVE_FETCHES[job.netloc] = 0
log.info("Active fetchers for domain %s - %s", job.netloc, ACTIVE_FETCHES[job.netloc])
if ACTIVE_FETCHES[job.netloc] > allowable:
log.info("Too many instances of fetchers for domain %s active. Forcing requests to sleep for a while", job.netloc)
job.ignoreuntiltime = datetime.datetime.now() + datetime.timedelta(seconds=60*5 + random.randrange(0, 60*5))
db.get_session().commit()
return
else:
with FETCH_LOCK:
ACTIVE_FETCHES[job.netloc] += 1
engine.do_job(job)
time.sleep(5)
with FETCH_LOCK:
ACTIVE_FETCHES[job.netloc] -= 1
def status_view():
session = db.get_session()
# session.expire()
tasks = get_scheduled_tasks(session)
states = session.query(db.PluginStatus).all()
session.commit()
return render_template('status.html',
tasks = tasks,
states = states,
)
def initializeStartUrls(rules):
print("Initializing all start URLs in the database")
for ruleset in [rset for rset in rules if rset['starturls']]:
for starturl in ruleset['starturls']:
have = db.get_session().query(db.WebPages) \
.filter(db.WebPages.url == starturl) \
.count()
if not have:
netloc = urlFuncs.getNetLoc(starturl)
new = db.WebPages(
url = starturl,
starturl = starturl,
netloc = netloc,
type = ruleset['type'],
priority = db.DB_IDLE_PRIORITY,
distance = db.DB_DEFAULT_DIST,
normal_fetch_mode = ruleset['normal_fetch_mode'],
)
print("Missing start-url for address: '{}'".format(starturl))
db.get_session().add(new)
db.get_session().commit()
def fix_tsv():
step = 1000
print("Determining extents that need to be changed.")
start = db.get_session().execute("""SELECT MIN(id) FROM web_pages WHERE tsv_content IS NULL AND content IS NOT NULL AND id != 60903982;""")
start = list(start)[0][0]
end = db.get_session().execute("""SELECT MAX(id) FROM web_pages WHERE tsv_content IS NULL AND content IS NOT NULL;""")
end = list(end)[0][0]
changed = 0
print("Start: ", start)
print("End: ", end)
if not start:
print("No null rows to fix!")
return
start = start - (start % step)
for x in range(start, end, step):
try:
# SQL String munging! I'm a bad person!
# Only done because I can't easily find how to make sqlalchemy
# bind parameters ignore the postgres specific cast
# The id range forces the query planner to use a much smarter approach which is much more performant for small numbers of updates
have = db.get_session().execute("""UPDATE web_pages SET tsv_content = to_tsvector(coalesce(content)) WHERE tsv_content IS NULL AND content IS NOT NULL AND id < %s AND id >= %s;""" % (x, x-step))
# print()
print('%10i, %10i, %7.4f, %6i' % (x, end, (x-start)/(end-start) * 100, have.rowcount))
changed += have.rowcount
if changed > step:
print("Committing (%s changed rows)...." % changed, end=' ')
db.get_session().commit()
print("done")
changed = 0
except sqlalchemy.exc.OperationalError:
db.get_session().rollback()
print("Error!")
traceback.print_exc()
db.get_session().commit()
def renderFeedEntry(postid):
post = db.get_session().query(db.FeedItems) \
.filter(db.FeedItems.id == postid) \
.scalar()
# relink the feed contents.
contents = WebMirror.API.replace_links(post.contents)
return render_template('rss-pages/post.html',
entry = post,
contents = contents
)
def renderFeedsSourceTable(source, page=1):
feeds = db.get_session().query(db.FeedItems) \
.filter(db.FeedItems.srcname == source) \
.order_by(desc(db.FeedItems.published))
if feeds is None:
flash(gettext('No feeds? Something is /probably/ broken!.'))
return redirect(url_for('renderFeedsTable'))
feed_entries = paginate(feeds, page, app.config['FEED_ITEMS_PER_PAGE'])
return render_template('rss-pages/feeds.html',
subheader = "Source = '%s'" % source,
sequence_item = feed_entries,
page = page
)
def fetch_content(query_text, column, page, sources=None):
session = db.get_session()
tsq = build_tsquery(query_text)
if column == db.WebPages.title:
query = session \
.query(db.WebPages, func.ts_rank_cd(func.to_tsvector("english", column), func.to_tsquery(tsq))) \
.filter( \
func.to_tsvector("english", column).match(tsq, postgresql_regconfig='english') \
) \
.order_by(func.ts_rank_cd(func.to_tsvector("english", column), func.to_tsquery(tsq)).desc())
elif column == db.WebPages.tsv_content:
query = session \
.query(db.WebPages, func.ts_rank_cd(column, func.to_tsquery(tsq))) \
.filter( column.match(tsq) ) \
.order_by(func.ts_rank_cd(column, func.to_tsquery(tsq)).desc())
if sources:
query = query.filter(db.WebPages.netloc.in_(sources))
else:
raise ValueError("Wat?")
# print(str(query.statement.compile(dialect=postgresql.dialect())))
# print("param: '%s'" % tsq)
try:
entries = paginate(query, page, per_page=50)
except sqlalchemy.exc.ProgrammingError:
traceback.print_exc()
print("ProgrammingError - Rolling back!")
db.get_session().rollback()
raise
except sqlalchemy.exc.InternalError:
traceback.print_exc()
print("InternalError - Rolling back!")
db.get_session().rollback()
raise
except sqlalchemy.exc.OperationalError:
traceback.print_exc()
print("InternalError - Rolling back!")
db.get_session().rollback()
raise
return entries
def getByNetlocPrefix(netloc, prefix):
# print("Netloc prefixes")
query = database.get_session().query(database.WebPages) \
.filter(database.WebPages.is_text == True) \
.filter(database.WebPages.title.like("{}%".format(prefix))) \
.filter(database.WebPages.netloc == netloc) \
.order_by(database.WebPages.title) \
.with_entities(database.WebPages.id, database.WebPages.url, database.WebPages.title)
# .filter(database.WebPages.file == None) \
# .filter(database.WebPages.state == 'complete') \
# .group_by(substr_chunk) \
vals = query.all()
return vals
def clean_files(self):
session = db.get_session()
q = session.query(db.WebFiles) \
.filter(db.WebFiles.fspath != None)
self.log.info("Querying for non-null filepaths...")
have = q.all()
self.log.info("Have %s local files.", len(have))
count = 0
for file in have:
fpath = os.path.join(settings.RESOURCE_DIR, file.fspath)
if not os.path.exists(fpath):
self.log.error("Missing file: %s", fpath)
count += 1
if count % 1000 == 0:
self.log.info("Scanned %s files.", count)
def renderFeedsTagTable(tag, page=1):
query = db.get_session().query(db.FeedItems)
# query = query.join(db.Tags)
query = query.filter(db.FeedItems.tags.contains(tag))
query = query.order_by(desc(db.FeedItems.published))
feeds = query
if feeds is None:
flash(gettext('No feeds? Something is /probably/ broken!.'))
return redirect(url_for('renderFeedsTable'))
feed_entries = paginate(feeds, page, app.config['FEED_ITEMS_PER_PAGE'])
return render_template('rss-pages/feeds.html',
subheader = "Tag = '%s'" % tag,
sequence_item = feed_entries,
page = page
)
def scheduleJobs(sched, timeToStart):
jobs = []
offset = 0
for key, value in activePlugins.scrapePlugins.items():
baseModule, interval = value
jobs.append((key, baseModule, interval, timeToStart+datetime.timedelta(seconds=60*offset)))
offset += 1
activeJobs = []
print("JobCaller: ", JobCaller)
print("JobCaller.callMod: ", JobCaller.callMod)
for jobId, callee, interval, startWhen in jobs:
jId = callee.__name__
print("JobID = ", jId)
activeJobs.append(jId)
if not sched.get_job(jId):
sched.add_job(do_call,
args = (callee.__name__, ),
trigger = 'interval',
seconds = interval,
start_date = startWhen,
id = jId,
max_instances = 1,
replace_existing = True,
jobstore = "main_jobstore",
misfire_grace_time = 2**30)
for job in sched.get_jobs('main_jobstore'):
if not job.id in activeJobs:
sched.remove_job(job.id, 'main_jobstore')
print("JobSetup call resetting run-states!")
session = db.get_session()
session.query(db.PluginStatus).update({db.PluginStatus.is_running : False})
session.commit()
db.delete_session()
print("Run-states reset.")
def getNetlocPrefixes(netloc, length=2):
# print("Netloc prefixes")
# SELECT DISTINCT(substring(title for {len})) FROM book_items WHERE lower(title) LIKE %s AND src=%s;
# So... the .distinct() operator on a query apparently cannot take a function
# as a parameter, because stupid or something. As such, we hack the query we
# want together as a return entity
substr_chunk = func.substring(func.upper(database.WebPages.title), 0, length)
# distinct_hack = func.distinct(substr_chunk)
query = database.get_session().query(database.WebPages) \
.filter(database.WebPages.is_text == True) \
.filter(database.WebPages.file == None) \
.filter(database.WebPages.state == 'complete') \
.filter(database.WebPages.netloc == netloc) \
.group_by(substr_chunk) \
.order_by(substr_chunk) \
.with_entities(substr_chunk, func.min(database.WebPages.id), func.min(database.WebPages.netloc))
vals = query.all()
return vals
def retrigger_pages(self, releases):
self.log.info("Total releases found on page: %s. Forcing retrigger of item pages.", len(releases))
session = db.get_session()
for release_url in releases:
while 1:
try:
have = session.query(db.WebPages) \
.filter(db.WebPages.url == release_url) \
.scalar()
# If we don't have the page, ignore
# it as the normal new-link upsert mechanism
# will add it.
if not have:
self.log.info("New: '%s'", release_url)
break
# Also, don't reset if it's in-progress
if have.state in ['new', 'fetching', 'processing', 'removed']:
self.log.info("Skipping: '%s' (%s)", release_url, have.state)
break
self.log.info("Retriggering page '%s'", release_url)
have.state = 'new'
session.commit()
break
except sqlalchemy.exc.InvalidRequestError:
print("InvalidRequest error!")
session.rollback()
traceback.print_exc()
except sqlalchemy.exc.OperationalError:
print("InvalidRequest error!")
session.rollback()
except sqlalchemy.exc.IntegrityError:
print("[upsertRssItems] -> Integrity error!")
traceback.print_exc()
session.rollback()
def renderFeedsTable(page=1):
feeds = db.get_session().query(db.FeedItems) \
.order_by(desc(db.FeedItems.published))
# feeds = feeds.options(joinedload('tags'))
# feeds = feeds.options(joinedload('authors'))
if feeds is None:
flash(gettext('No feeds? Something is /probably/ broken!.'))
return redirect(url_for('renderFeedsTable'))
feed_entries = paginate(feeds, page, app.config['FEED_ITEMS_PER_PAGE'])
return render_template('rss-pages/feeds.html',
subheader = "",
sequence_item = feed_entries,
page = page
)
def __init__(self, job_name):
if not job_name in CALLABLE_LUT:
raise JobNameException("Callable '%s' is not in the class lookup table: '%s'!" % (job_name, CALLABLE_LUT))
self.runModule = CALLABLE_LUT[job_name]
self.job_name = job_name
session = db.get_session()
try:
query = session.query(db.PluginStatus).filter(db.PluginStatus.plugin_name==job_name)
have = query.scalar()
if not have:
new = db.PluginStatus(plugin_name=job_name)
session.add(new)
session.commit()
except sqlalchemy.exc.OperationalError:
session.rollback()
except sqlalchemy.exc.InvalidRequestError:
session.rollback()
finally:
db.delete_session()
def rss_db_sync(target = None, recent=False):
json_file = 'rss_filter_misses-1.json'
write_debug = True
if target:
config.C_DO_RABBIT = False
flags.RSS_DEBUG = True
write_debug = False
else:
try:
os.unlink(json_file)
except FileNotFoundError:
pass
import WebMirror.processor.RssProcessor
parser = WebMirror.processor.RssProcessor.RssProcessor(loggerPath = "Main.RssDb",
pageUrl = 'http://www.example.org',
pgContent = '',
type = 'application/atom+xml',
transfer = False,
debug_print = True,
write_debug = write_debug)
print("Getting feed items....")
if target:
print("Limiting to '%s' source." % target)
feed_items = db.get_session().query(db.FeedItems) \
.filter(db.FeedItems.srcname == target) \
.order_by(db.FeedItems.srcname) \
.order_by(db.FeedItems.title) \
.all()
elif recent:
cutoff = datetime.datetime.now() - datetime.timedelta(days=32)
feed_items = db.get_session().query(db.FeedItems) \
.filter(db.FeedItems.published > cutoff) \
.order_by(db.FeedItems.srcname) \
.order_by(db.FeedItems.title) \
.all()
else:
feed_items = db.get_session().query(db.FeedItems) \
.order_by(db.FeedItems.srcname) \
.order_by(db.FeedItems.title) \
.all()
print("Feed items: ", len(feed_items))
for item in feed_items:
ctnt = {}
ctnt['srcname'] = item.srcname
ctnt['title'] = item.title
ctnt['tags'] = item.tags
ctnt['linkUrl'] = item.contenturl
ctnt['guid'] = item.contentid
ctnt['published'] = calendar.timegm(item.published.timetuple())
# Pop()ed off in processFeedData().
ctnt['contents'] = 'wat'
try:
parser.processFeedData(ctnt, tx_raw=False)
except ValueError:
pass
# print(ctnt)
if target == None:
sort_json(json_file)
