def readlock(self):
if self._writelock.is_locked():
return
if self._readlock.is_locked():
return
log.debug("getting a read lock for %r" % (self.graphshelve,))
try:
self._readlock.acquire(self._lock_timeout)
except LockTimeout:
items = self.graphshelve, self._lock_timeout
log.error("getting a read lock for %r timed out after %.02fs" % items)
raise
log.debug("got a read lock for %r" % (self.graphshelve,))
self.db = self.shelveopen(self.graphshelve, "r")
def readlock(self):
if self._writelock.is_locked():
return
if self._readlock.is_locked():
return
log.debug("getting a read lock for %r" % (self.graphshelve, ))
try:
self._readlock.acquire(self._lock_timeout)
except LockTimeout:
items = self.graphshelve, self._lock_timeout
log.error("getting a read lock for %r timed out after %.02fs" %
items)
raise
log.debug("got a read lock for %r" % (self.graphshelve, ))
self.db = self.shelveopen(self.graphshelve, "r")
def writelock(self):
if self._writelock.is_locked():
return
if self._readlock.is_locked():
if self.db is not None:
self.db.close()
self.db = None
self._readlock.release()
log.debug("released a write lock for %r" % (self.graphshelve,))
log.debug("getting a write lock for %r" % (self.graphshelve,))
try:
self._writelock.acquire(self._lock_timeout)
except LockTimeout:
items = self.graphshelve, self._lock_timeout
log.error("getting a write lock for %r timed out after %.02fs" % items)
raise
log.debug("got a write lock for %r" % (self.graphshelve,))
self.db = self.shelveopen(self.graphshelve, "c")
def writelock(self):
if self._writelock.is_locked():
return
if self._readlock.is_locked():
if self.db is not None:
self.db.close()
self.db = None
self._readlock.release()
log.debug("released a write lock for %r" % (self.graphshelve, ))
log.debug("getting a write lock for %r" % (self.graphshelve, ))
try:
self._writelock.acquire(self._lock_timeout)
except LockTimeout:
items = self.graphshelve, self._lock_timeout
log.error("getting a write lock for %r timed out after %.02fs" %
items)
raise
log.debug("got a write lock for %r" % (self.graphshelve, ))
self.db = self.shelveopen(self.graphshelve, "c")
def execute(pagename, request):
pagename_header = '%s-%s.zip' % (pagename, datetime.now().isoformat()[:10])
pagename_header = pagename_header.encode('ascii', 'ignore')
request.content_type = 'application/zip'
request.headers['Content-Disposition'] = \
'attachment; filename="%s"' % pagename_header
args = values_to_form(request.values)
try:
args = args['args'][0]
except (KeyError, IndexError):
args = u''
pagelist, metakeys, _ = metatable_parseargs(request,
args,
get_all_keys=True)
renameDict = dict()
for page in pagelist:
metas = get_metas(request,
page, ["gwikirename"],
abs_attach=False,
checkAccess=False)
renameList = metas["gwikirename"]
if renameList:
renameDict[page] = renameList
output = StringIO()
zip = zipfile.ZipFile(output, "w", zipfile.ZIP_DEFLATED)
userid = user.getUserIdentification(request)
script = [
packLine(['MoinMoinPackage', '1']),
]
counter = 0
for pagename in pagelist:
counter += 1
page = Page(request, pagename)
timestamp = wikiutil.version2timestamp(page.mtime_usecs())
# Underlay pages are in epoch 0, zipfile in python 2.7 does
# not support this.
if not timestamp:
pagefile, rev, exists = page.get_rev()
if rev == 99999999:
# We should never get here
log.error("Page %s neither in pages or underlay, skipping." %
(pagename))
continue
timestamp = os.path.getctime(pagefile)
pagetext = page.get_raw_body().encode("utf-8")
filename = str(counter)
zinfo = zipfile.ZipInfo(
filename=filename,
date_time=datetime.fromtimestamp(timestamp).timetuple()[:6])
zinfo.compress_type = zipfile.ZIP_DEFLATED
zip.writestr(zinfo, pagetext)
targetNameList = renameDict.get(pagename, [pagename])
for targetName in targetNameList:
script.append(
packLine(["AddRevision", filename, targetName, userid, ""]))
for attachment in _get_files(request, pagename):
counter += 1
sourcefile = AttachFile.getFilename(request, pagename, attachment)
filename = str(counter) + "-attachment"
zip.write(sourcefile, filename)
script.append(
packLine([
"AddAttachment", filename, attachment, pagename, userid, ""
]))
zip.writestr(MOIN_PACKAGE_FILE, u"\n".join(script).encode("utf-8"))
zip.close()
request.write(output.getvalue())
