def resources_listener(path, datetime, key, value, extra):
if len(path) != 1:
raise ValueError("Invalid path " + str(path))
uid = path[0]
href = extra.get_href(uid)
if value is None:
if extra._get(href) is not None:
extra.delete(href, update_decsync=False)
else:
vobject_item = vobject.readOne(value)
if sync_type == "contacts":
tag = "VADDRESSBOOK"
else:
tag = "VCALENDAR"
radicale_item.check_and_sanitize_items([vobject_item],
tag=tag)
item = radicale_item.Item(collection=extra,
vobject_item=vobject_item,
uid=uid)
item.prepare()
extra.upload(href, item, update_decsync=False)
def prepare(vobject_items, tag=None, write_whole_collection=None):
if (write_whole_collection
or permissions and not parent_permissions):
write_whole_collection = True
content_type = environ.get("CONTENT_TYPE", "").split(";")[0]
tags = {
value: key
for key, value in xmlutils.MIMETYPES.items()
}
tag = radicale_item.predict_tag_of_whole_collection(
vobject_items, tags.get(content_type))
if not tag:
raise ValueError("Can't determine collection tag")
collection_path = pathutils.strip_path(path)
elif (write_whole_collection is not None
and not write_whole_collection
or not permissions and parent_permissions):
write_whole_collection = False
if tag is None:
tag = radicale_item.predict_tag_of_parent_collection(
vobject_items)
collection_path = posixpath.dirname(pathutils.strip_path(path))
props = None
stored_exc_info = None
items = []
try:
if tag:
radicale_item.check_and_sanitize_items(
vobject_items,
is_collection=write_whole_collection,
tag=tag)
if write_whole_collection and tag == "VCALENDAR":
vobject_components = []
vobject_item, = vobject_items
for content in ("vevent", "vtodo", "vjournal"):
vobject_components.extend(
getattr(vobject_item, "%s_list" % content, []))
vobject_components_by_uid = itertools.groupby(
sorted(vobject_components,
key=radicale_item.get_uid),
radicale_item.get_uid)
for uid, components in vobject_components_by_uid:
vobject_collection = vobject.iCalendar()
for component in components:
vobject_collection.add(component)
item = radicale_item.Item(
collection_path=collection_path,
vobject_item=vobject_collection)
item.prepare()
items.append(item)
elif write_whole_collection and tag == "VADDRESSBOOK":
for vobject_item in vobject_items:
item = radicale_item.Item(
collection_path=collection_path,
vobject_item=vobject_item)
item.prepare()
items.append(item)
elif not write_whole_collection:
vobject_item, = vobject_items
item = radicale_item.Item(
collection_path=collection_path,
vobject_item=vobject_item)
item.prepare()
items.append(item)
if write_whole_collection:
props = {}
if tag:
props["tag"] = tag
if tag == "VCALENDAR" and vobject_items:
if hasattr(vobject_items[0], "x_wr_calname"):
calname = vobject_items[0].x_wr_calname.value
if calname:
props["D:displayname"] = calname
if hasattr(vobject_items[0], "x_wr_caldesc"):
caldesc = vobject_items[0].x_wr_caldesc.value
if caldesc:
props["C:calendar-description"] = caldesc
radicale_item.check_and_sanitize_props(props)
except Exception:
stored_exc_info = sys.exc_info()
# Use generator for items and delete references to free memory
# early
def items_generator():
while items:
yield items.pop(0)
return (items_generator(), tag, write_whole_collection, props,
stored_exc_info)
def _get(self, href, verify_href=True):
if verify_href:
try:
if not pathutils.is_safe_filesystem_path_component(href):
raise pathutils.UnsafePathError(href)
path = pathutils.path_to_filesystem(self._filesystem_path,
href)
except ValueError as e:
logger.debug(
"Can't translate name %r safely to filesystem in %r: %s",
href,
self.path,
e,
exc_info=True)
return None
else:
path = os.path.join(self._filesystem_path, href)
try:
with open(path, "rb") as f:
raw_text = f.read()
except (FileNotFoundError, IsADirectoryError):
return None
except PermissionError:
# Windows raises ``PermissionError`` when ``path`` is a directory
if (os.name == "nt" and os.path.isdir(path)
and os.access(path, os.R_OK)):
return None
raise
# The hash of the component in the file system. This is used to check,
# if the entry in the cache is still valid.
input_hash = self._item_cache_hash(raw_text)
cache_hash, uid, etag, text, name, tag, start, end = \
self._load_item_cache(href, input_hash)
if input_hash != cache_hash:
with self._acquire_cache_lock("item"):
# Lock the item cache to prevent multpile processes from
# generating the same data in parallel.
# This improves the performance for multiple requests.
if self._lock.locked == "r":
# Check if another process created the file in the meantime
cache_hash, uid, etag, text, name, tag, start, end = \
self._load_item_cache(href, input_hash)
if input_hash != cache_hash:
try:
vobject_items = tuple(
vobject.readComponents(
raw_text.decode(self._encoding)))
radicale_item.check_and_sanitize_items(
vobject_items, tag=self.get_meta("tag"))
vobject_item, = vobject_items
temp_item = radicale_item.Item(
collection=self, vobject_item=vobject_item)
cache_hash, uid, etag, text, name, tag, start, end = \
self._store_item_cache(
href, temp_item, input_hash)
except Exception as e:
raise RuntimeError("Failed to load item %r in %r: %s" %
(href, self.path, e)) from e
# Clean cache entries once after the data in the file
# system was edited externally.
if not self._item_cache_cleaned:
self._item_cache_cleaned = True
self._clean_item_cache()
last_modified = time.strftime("%a, %d %b %Y %H:%M:%S GMT",
time.gmtime(os.path.getmtime(path)))
# Don't keep reference to ``vobject_item``, because it requires a lot
# of memory.
return radicale_item.Item(collection=self,
href=href,
last_modified=last_modified,
etag=etag,
text=text,
uid=uid,
name=name,
component_name=tag,
time_range=(start, end))
