def _check_version(self):
"""Actually check for an auto-update:
1. Check the version number from the file on the version site.
2. Check the stable version number from the file on the version site.
3. Notify the user and stop if they are on an OS with no installer.
4. Get the torrent file from the version site.
5. Get the signature from the version site.
6. Check the signature against the torrent file using the public key.
7a. Start the torrent if it's not in the client.
7b. Restart the torrent if it's in the client but not running.
8. Put the infohash of the torrent into estate so the butler knows
to butle it.
9. AutoUpdateButler.started() ensures that only the most recent
auto-update torrent is running.
10. AutoUpdateButler.finished() indicates the new version is available,
the UI polls for that value later.
Whether an auto-update was found and started or not, requeue
the call to check_version() to run a day later. This means
that the version check runs at startup, and once a day.
"""
debug_prefix = '_check_version() run#%d: '%self.runs
self.debug(debug_prefix + 'starting')
url = self.version_site + self.current_version.name()
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._get_available, url, daemon=True)
yield df
try:
available_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
def parse_allowed(self):
if self.parse_pending:
return
self.parse_pending = True
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._parse_allowed, daemon=True)
def eb(etup):
self.parse_pending = False
self._print_exc("parse_dir: ", etup)
df.addCallbacks(self._parse_allowed_finished, eb)
def list_themes():
def _lt():
themes = []
tr = os.path.join(image_root, 'themes')
ld = os.listdir(tr)
for d in ld:
if os.path.isdir(os.path.join(tr, d)):
themes.append(d)
return themes
df = ThreadedDeferred(None, _lt, daemon=True)
df.start()
return df
def list_themes():
def _lt():
themes = []
tr = os.path.join(image_root, 'themes')
ld = os.listdir(tr)
for d in ld:
if os.path.isdir(os.path.join(tr, d)):
themes.append(d)
return themes
df = ThreadedDeferred(None, _lt, daemon=True)
df.start()
return df
def set_language(self, *a):
index = self.choice.GetSelection()
if index >= len(self.languages):
return
l = self.languages[index]
if not self.valid:
self.choice.Delete(len(self.languages))
self.choice.SetSelection(index)
self.valid = True
self.box_sizer.Detach(0)
self.top_error.Destroy()
self.box_sizer.Layout()
self.sizer.Layout()
d = ThreadedDeferred(gui_wrap, write_language_file, l)
d.addErrback(lambda e: self.set_language_failed(e, l))
d.addCallback(lambda r: self.language_was_set())
def save_dfile(self):
if self.save_pending:
return
self.save_pending = True
# if this is taking all the time, threading it won't help anyway because
# of the GIL
#state = bencode(self.state)
state = cPickle.dumps(self.state) # pickle handles Unicode.
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._save_dfile, state)
def cb(r):
self.save_pending = False
if NOISY:
self._print_event( "save_dfile: Completed" )
def eb(etup):
self.save_pending = False
self._print_exc( "save_dfile: ", etup )
df.addCallbacks(cb, eb)
def smart_gettext_and_install(domain, localedir, languages,
fallback=False, unicode=False):
try:
t = gettext.translation(domain, localedir, languages=languages,
fallback=fallback)
except Exception, e:
# if we failed to find the language, fetch it from the web async-style
running_count = 0
running_deferred = {}
# Get some reasonable defaults for arguments that were not supplied
if languages is None:
languages = []
for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
val = os.environ.get(envar)
if val:
languages = val.split(':')
break
if 'C' not in languages:
languages.append('C')
# now normalize and expand the languages
nelangs = []
for lang in languages:
for nelang in gettext._expand_lang(lang):
if nelang not in nelangs:
nelangs.append(nelang)
languages = nelangs
for lang in languages:
d = ThreadedDeferred(None, get_language, lang)
def translate_and_install(r, td=d):
running_deferred.pop(td)
# only let the last one try to install
if len(running_deferred) == 0:
t = gettext.translation(domain, localedir,
languages=languages,
fallback=True)
t.install(unicode)
def failed(e, tlang=lang, td=d):
if td in running_deferred:
running_deferred.pop(td)
# don't raise an error, just continue untranslated
sys.stderr.write('Could not find translation for language "%s"\n' %
tlang)
#traceback.print_exc(e)
d.addCallback(translate_and_install)
d.addErrback(failed)
# accumulate all the deferreds first
running_deferred[d] = 1
# start them all, the last one finished will install the language
for d in running_deferred:
d.start()
return
def initialize(self, save_path, files):
# a list of bytes ranges and filenames for window-based IO
self.ranges = []
# a dict of filename-to-ranges for piece priorities and filename lookup
self.range_by_name = {}
# a sparse set for smart allocation detection
self.allocated_regions = SparseSet()
# dict of filename-to-length on disk (for % complete in the file view)
self.undownloaded = {}
self.save_path = save_path
# Rather implement this as an ugly hack here than change all the
# individual calls. Affects all torrent instances using this module.
if self.config['bad_libc_workaround']:
bad_libc_workaround()
self.initialized = False
self.startup_df = ThreadedDeferred(wrap_task(self.external_add_task),
self._build_file_structs,
self.filepool, files)
return self.startup_df
def _check_version(self):
"""Actually check for an auto-update:
1. Check the version number from the file on the version site.
2. Check the stable version number from the file on the version site.
3. Notify the user and stop if they are on an OS with no installer.
4. Get the torrent file from the version site.
5. Get the signature from the version site.
6. Check the signature against the torrent file using the public key.
7a. Start the torrent if it's not in the client.
7b. Restart the torrent if it's in the client but not running.
8. Put the infohash of the torrent into estate so the butler knows
to butle it.
9. AutoUpdateButler.started() ensures that only the most recent
auto-update torrent is running.
10. AutoUpdateButler.finished() indicates the new version is available,
the UI polls for that value later.
Whether an auto-update was found and started or not, requeue
the call to check_version() to run a day later. This means
that the version check runs at startup, and once a day.
"""
debug_prefix = '_check_version() run#%d: ' % self.runs
self.debug(debug_prefix + 'starting')
url = self.version_site + self.current_version.name()
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._get_available,
url,
daemon=True)
yield df
try:
available_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
def set_language(self, *a):
index = self.choice.GetSelection()
if index >= len(self.languages):
return
l = self.languages[index]
if not self.valid:
self.choice.Delete(len(self.languages))
self.choice.SetSelection(index)
self.valid = True
self.box_sizer.Detach(0)
self.top_error.Destroy()
self.box_sizer.Layout()
self.sizer.Layout()
d = ThreadedDeferred(gui_wrap, write_language_file, l)
d.addErrback(lambda e: self.set_language_failed(e, l))
d.addCallback(lambda r: self.language_was_set())
url,
daemon=True)
yield df
try:
available_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
if available_version.is_beta():
if available_version[1] != self.current_version[1]:
available_version = self.current_version
if self.current_version.is_beta():
stable_url = self.version_site + 'stable'
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._get_available, stable_url)
yield df
try:
available_stable_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
if available_stable_version > available_version:
available_version = available_stable_version
self.debug(debug_prefix + 'got %s' % str(available_version))
if available_version <= self.current_version:
self.debug(debug_prefix +
'not updating old version %s' % str(available_version))
def open_torrent_arg(self, path):
"""Open a torrent from path (URL, file) non-blockingly"""
df = ThreadedDeferred(self.gui_wrap, GetTorrent.get_quietly, path)
return df
def smart_gettext_and_install(domain,
localedir,
languages,
fallback=False,
unicode=False):
try:
t = gettext.translation(domain,
localedir,
languages=languages,
fallback=fallback)
except Exception, e:
# if we failed to find the language, fetch it from the web async-style
running_count = 0
running_deferred = {}
# Get some reasonable defaults for arguments that were not supplied
if languages is None:
languages = []
for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
val = os.environ.get(envar)
if val:
languages = val.split(':')
break
if 'C' not in languages:
languages.append('C')
# now normalize and expand the languages
nelangs = []
for lang in languages:
for nelang in gettext._expand_lang(lang):
if nelang not in nelangs:
nelangs.append(nelang)
languages = nelangs
for lang in languages:
d = ThreadedDeferred(None, get_language, lang)
def translate_and_install(r, td=d):
running_deferred.pop(td)
# only let the last one try to install
if len(running_deferred) == 0:
t = gettext.translation(domain,
localedir,
languages=languages,
fallback=True)
t.install(unicode)
def failed(e, tlang=lang, td=d):
if td in running_deferred:
running_deferred.pop(td)
# don't raise an error, just continue untranslated
sys.stderr.write(
'Could not find translation for language "%s"\n' % tlang)
#traceback.print_exc(e)
d.addCallback(translate_and_install)
d.addErrback(failed)
# accumulate all the deferreds first
running_deferred[d] = 1
# start them all, the last one finished will install the language
for d in running_deferred:
d.start()
return
class Storage(object):
def __init__(self, config, filepool, save_path, files, add_task,
external_add_task, doneflag):
self.filepool = filepool
self.config = config
self.doneflag = doneflag
self.add_task = add_task
self.external_add_task = external_add_task
self.initialize(save_path, files)
def initialize(self, save_path, files):
# a list of bytes ranges and filenames for window-based IO
self.ranges = []
# a dict of filename-to-ranges for piece priorities and filename lookup
self.range_by_name = {}
# a sparse set for smart allocation detection
self.allocated_regions = SparseSet()
# dict of filename-to-length on disk (for % complete in the file view)
self.undownloaded = {}
self.save_path = save_path
# Rather implement this as an ugly hack here than change all the
# individual calls. Affects all torrent instances using this module.
if self.config['bad_libc_workaround']:
bad_libc_workaround()
self.initialized = False
self.startup_df = ThreadedDeferred(wrap_task(self.external_add_task),
self._build_file_structs,
self.filepool, files)
return self.startup_df
def _build_file_structs(self, filepool, files):
total = 0
for filename, length in files:
# we're shutting down, abort.
if self.doneflag.isSet():
return False
self.undownloaded[filename] = length
if length > 0:
self.ranges.append((total, total + length, filename))
self.range_by_name[filename] = (total, total + length)
if os.path.exists(filename):
if not os.path.isfile(filename):
raise BTFailure(_("File %s already exists, but is not a "
"regular file") % filename)
l = os.path.getsize(filename)
if l > length:
# This is the truncation Bram was talking about that no one
# else thinks is a good idea.
#h = file(filename, 'rb+')
#make_file_sparse(filename, h, length)
#h.truncate(length)
#h.close()
l = length
a = get_allocated_regions(filename, begin=0, length=l)
if a is not None:
a.offset(total)
else:
a = SparseSet()
if l > 0:
a.add(total, total + l)
self.allocated_regions += a
total += length
self.total_length = total
self.initialized = True
return True
def get_byte_range_for_filename(self, filename):
if filename not in self.range_by_name:
filename = os.path.normpath(filename)
filename = os.path.join(self.save_path, filename)
return self.range_by_name[filename]
def was_preallocated(self, pos, length):
return self.allocated_regions.is_range_in(pos, pos+length)
def get_total_length(self):
return self.total_length
def _intervals(self, pos, amount):
r = []
stop = pos + amount
p = max(bisect_right(self.ranges, (pos, 2 ** 500)) - 1, 0)
for begin, end, filename in self.ranges[p:]:
if begin >= stop:
break
r.append((filename,
max(pos, begin) - begin, min(end, stop) - begin))
return r
def _file_op(self, filename, pos, param, write):
begin, end = self.get_byte_range_for_filename(filename)
length = end - begin
hdf = self.filepool.acquire_handle(filename, for_write=write,
length=length)
def op(h):
h.seek(pos)
if write:
odf = h.write(param)
else:
odf = h.read(param)
def like_finally(r):
self.filepool.release_handle(filename, h)
return r
odf.addBoth(like_finally)
return odf
hdf.addCallback(op)
return hdf
def _batch_read(self, pos, amount):
dfs = []
r = []
# queue all the reads
for filename, pos, end in self._intervals(pos, amount):
df = self._file_op(filename, pos, end - pos, write=False)
dfs.append(df)
# yield on all the reads in order - they complete in any order
exc = None
for df in dfs:
yield df
try:
r.append(df.getResult())
except:
exc = exc or sys.exc_info()
if exc:
raise exc[0], exc[1], exc[2]
r = ''.join(r)
if len(r) != amount:
raise BTFailure(_("Short read (%d of %d) - "
"something truncated files?") %
(len(r), amount))
yield r
def read(self, pos, amount):
df = launch_coroutine(wrap_task(self.add_task),
self._batch_read, pos, amount)
return df
def _batch_write(self, pos, s):
dfs = []
total = 0
amount = len(s)
# queue all the writes
for filename, begin, end in self._intervals(pos, amount):
length = end - begin
assert length > 0, '%s %s' % (pos, amount)
d = buffer(s, total, length)
total += length
df = self._file_op(filename, begin, d, write=True)
dfs.append(df)
assert total == amount, '%s and %s' % (total, amount)
written = 0
# yield on all the writes - they complete in any order
exc = None
for df in dfs:
yield df
try:
written += df.getResult()
except:
exc = exc or sys.exc_info()
if exc:
raise exc[0], exc[1], exc[2]
assert total == written, '%s and %s' % (total, written)
yield total
def write(self, pos, s):
df = launch_coroutine(wrap_task(self.add_task),
self._batch_write, pos, s)
return df
def close(self):
if not self.initialized:
def post_init(r):
return self.filepool.close_files(self.range_by_name)
self.startup_df.addCallback(post_init)
return self.startup_df
df = self.filepool.close_files(self.range_by_name)
return df
def downloaded(self, pos, length):
for filename, begin, end in self._intervals(pos, length):
self.undownloaded[filename] -= end - begin
def periodic_stats(self):
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self.stats, daemon = True)
df.addCallback(lambda r : self.rawserver.add_task(self.config['display_interval'],
self.periodic_stats))
def periodic_stats(self):
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self.stats,
daemon=True)
df.addCallback(self.rawserver.add_task, self.periodic_stats,
self.config['display_interval'], self.periodic_stats)
def get_tracker_ips(self, wrap_task):
"""Returns the list of tracker IP addresses or the empty list if the
torrent is trackerless. This extracts the tracker ip addresses
from the urls in the announce or announce list."""
df = ThreadedDeferred(wrap_task, self._get_tracker_ips, daemon=True)
return df
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._get_available, url, daemon=True)
yield df
try:
available_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
if available_version.is_beta():
if available_version[1] != self.current_version[1]:
available_version = self.current_version
if self.current_version.is_beta():
stable_url = self.version_site + 'stable'
df = ThreadedDeferred(wrap_task(self.rawserver.external_add_task),
self._get_available, stable_url)
yield df
try:
available_stable_version = df.getResult()
except BTFailure, e:
self.debug(debug_prefix + 'failed to load %s' % url)
self._restart()
return
if available_stable_version > available_version:
available_version = available_stable_version
self.debug(debug_prefix + 'got %s' % str(available_version))
if available_version <= self.current_version:
self.debug(debug_prefix + 'not updating old version %s' %
