Module exchangelib.items.item
Classes
class Item (**kwargs)-
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class Item(BaseItem): """MSDN: https://docs.microsoft.com/en-us/exchange/client-developer/web-service-reference/item""" ELEMENT_NAME = "Item" mime_content = MimeContentField(field_uri="item:MimeContent", is_read_only_after_send=True) _id = BaseItem.FIELDS["_id"] parent_folder_id = EWSElementField(field_uri="item:ParentFolderId", value_cls=ParentFolderId, is_read_only=True) item_class = CharField(field_uri="item:ItemClass", is_read_only=True) subject = CharField(field_uri="item:Subject") sensitivity = ChoiceField( field_uri="item:Sensitivity", choices={Choice("Normal"), Choice("Personal"), Choice("Private"), Choice("Confidential")}, is_required=True, default="Normal", ) text_body = TextField(field_uri="item:TextBody", is_read_only=True, supported_from=EXCHANGE_2013) body = BodyField(field_uri="item:Body") # Accepts and returns Body or HTMLBody instances attachments = AttachmentField(field_uri="item:Attachments") # ItemAttachment or FileAttachment datetime_received = DateTimeField(field_uri="item:DateTimeReceived", is_read_only=True) size = IntegerField(field_uri="item:Size", is_read_only=True) # Item size in bytes categories = CharListField(field_uri="item:Categories") importance = ChoiceField( field_uri="item:Importance", choices={Choice("Low"), Choice("Normal"), Choice("High")}, is_required=True, default="Normal", ) in_reply_to = TextField(field_uri="item:InReplyTo") is_submitted = BooleanField(field_uri="item:IsSubmitted", is_read_only=True) is_draft = BooleanField(field_uri="item:IsDraft", is_read_only=True) is_from_me = BooleanField(field_uri="item:IsFromMe", is_read_only=True) is_resend = BooleanField(field_uri="item:IsResend", is_read_only=True) is_unmodified = BooleanField(field_uri="item:IsUnmodified", is_read_only=True) headers = MessageHeaderField(field_uri="item:InternetMessageHeaders", is_read_only=True) datetime_sent = DateTimeField(field_uri="item:DateTimeSent", is_read_only=True) datetime_created = DateTimeField(field_uri="item:DateTimeCreated", is_read_only=True) response_objects = EWSElementField( field_uri="item:ResponseObjects", value_cls=ResponseObjects, is_read_only=True, ) # Placeholder for ResponseObjects reminder_due_by = DateTimeField(field_uri="item:ReminderDueBy", is_required_after_save=True, is_searchable=False) reminder_is_set = BooleanField(field_uri="item:ReminderIsSet", is_required=True, default=False) reminder_minutes_before_start = IntegerField( field_uri="item:ReminderMinutesBeforeStart", is_required_after_save=True, min=0, default=0 ) display_cc = TextField(field_uri="item:DisplayCc", is_read_only=True) display_to = TextField(field_uri="item:DisplayTo", is_read_only=True) has_attachments = BooleanField(field_uri="item:HasAttachments", is_read_only=True) # ExtendedProperty fields go here culture = CultureField(field_uri="item:Culture", is_required_after_save=True, is_searchable=False) effective_rights = EffectiveRightsField(field_uri="item:EffectiveRights", is_read_only=True) last_modified_name = CharField(field_uri="item:LastModifiedName", is_read_only=True) last_modified_time = DateTimeField(field_uri="item:LastModifiedTime", is_read_only=True) is_associated = BooleanField(field_uri="item:IsAssociated", is_read_only=True, supported_from=EXCHANGE_2010) web_client_read_form_query_string = URIField( field_uri="item:WebClientReadFormQueryString", is_read_only=True, supported_from=EXCHANGE_2010 ) web_client_edit_form_query_string = URIField( field_uri="item:WebClientEditFormQueryString", is_read_only=True, supported_from=EXCHANGE_2010 ) conversation_id = EWSElementField( field_uri="item:ConversationId", value_cls=ConversationId, is_read_only=True, supported_from=EXCHANGE_2010 ) unique_body = BodyField(field_uri="item:UniqueBody", is_read_only=True, supported_from=EXCHANGE_2010) FIELDS = Fields() # Used to register extended properties INSERT_AFTER_FIELD = "has_attachments" def __init__(self, **kwargs): super().__init__(**kwargs) if self.attachments: for a in self.attachments: if a.parent_item: if a.parent_item is not self: raise ValueError(f"'parent_item' of attachment {a} must point to this item") else: a.parent_item = self self.attach(self.attachments) else: self.attachments = [] def save(self, update_fields=None, conflict_resolution=AUTO_RESOLVE, send_meeting_invitations=SEND_TO_NONE): from .task import Task if self.id: item_id, changekey = self._update( update_fieldnames=update_fields, message_disposition=SAVE_ONLY, conflict_resolution=conflict_resolution, send_meeting_invitations=send_meeting_invitations, ) if ( self.id != item_id and not isinstance(self._id, (OccurrenceItemId, RecurringMasterItemId)) and not isinstance(self, Task) ): # When we update an item with an OccurrenceItemId as ID, EWS returns the ID of the occurrence, so # the ID of this item changes. # # When we update certain fields on a task, the ID may change. A full description is available at # https://docs.microsoft.com/en-us/exchange/client-developer/web-service-reference/updateitem-operation-task raise ValueError("'id' mismatch in returned update response") # Don't check that changekeys are different. No-op saves will sometimes leave the changekey intact self._id = self.ID_ELEMENT_CLS(item_id, changekey) else: if update_fields: raise ValueError("'update_fields' is only valid for updates") tmp_attachments = None if self.account and self.account.version.build < EXCHANGE_2013 and self.attachments: # At least some versions prior to Exchange 2013 can't save attachments immediately. You need to first # save, then attach. Store the attachment of this item temporarily and attach later. tmp_attachments, self.attachments = self.attachments, [] item = self._create(message_disposition=SAVE_ONLY, send_meeting_invitations=send_meeting_invitations) self._id = self.ID_ELEMENT_CLS(item.id, item.changekey) for old_att, new_att in zip(self.attachments, item.attachments): if old_att.attachment_id is not None: raise ValueError("Old 'attachment_id' is not empty") if new_att.attachment_id is None: raise ValueError("New 'attachment_id' is empty") old_att.attachment_id = new_att.attachment_id if tmp_attachments: # Exchange 2007 workaround. See above self.attach(tmp_attachments) return self @require_account def _create(self, message_disposition, send_meeting_invitations): # Return a BulkCreateResult because we want to return the ID of both the main item *and* attachments. In send # and send-and-save-copy mode, the server does not return an ID, so we just return True. from ..services import CreateItem return CreateItem(account=self.account).get( items=[self], folder=self.folder, message_disposition=message_disposition, send_meeting_invitations=send_meeting_invitations, ) def _update_fieldnames(self): from .contact import Contact, DistributionList # Return the list of fields we are allowed to update update_fieldnames = [] for f in self.supported_fields(version=self.account.version): if f.name == "attachments": # Attachments are handled separately after item creation continue if f.is_read_only: # These cannot be changed continue if (f.is_required or f.is_required_after_save) and ( getattr(self, f.name) is None or (f.is_list and not getattr(self, f.name)) ): # These are required and cannot be deleted continue if not self.is_draft and f.is_read_only_after_send: # These cannot be changed when the item is no longer a draft continue if f.name == "message_id" and f.is_read_only_after_send: # 'message_id' doesn't support updating, no matter the draft status continue if f.name == "mime_content" and isinstance(self, (Contact, DistributionList)): # Contact and DistributionList don't support updating mime_content, no matter the draft status continue update_fieldnames.append(f.name) return update_fieldnames @require_account def _update(self, update_fieldnames, message_disposition, conflict_resolution, send_meeting_invitations): from ..services import UpdateItem if not self.changekey: raise ValueError(f"{self.__class__.__name__} must have changekey") if not update_fieldnames: # The fields to update was not specified explicitly. Update all fields where update is possible update_fieldnames = self._update_fieldnames() return UpdateItem(account=self.account).get( items=[(self, update_fieldnames)], message_disposition=message_disposition, conflict_resolution=conflict_resolution, send_meeting_invitations_or_cancellations=send_meeting_invitations, suppress_read_receipts=True, expect_result=message_disposition != SEND_AND_SAVE_COPY, ) @require_id def refresh(self): # Updates the item based on fresh data from EWS from ..services import GetItem additional_fields = {FieldPath(field=f) for f in self.supported_fields(version=self.account.version)} res = GetItem(account=self.account).get(items=[self], additional_fields=additional_fields, shape=ID_ONLY) if self.id != res.id and not isinstance(self._id, (OccurrenceItemId, RecurringMasterItemId)): # When we refresh an item with an OccurrenceItemId as ID, EWS returns the ID of the occurrence, so # the ID of this item changes. raise ValueError("'id' mismatch in returned update response") for f in self.FIELDS: setattr(self, f.name, getattr(res, f.name)) # 'parent_item' should point to 'self', not 'fresh_item'. That way, 'fresh_item' can be garbage collected. for a in self.attachments: a.parent_item = self return self @require_id def copy(self, to_folder): from ..services import CopyItem # If 'to_folder' is a public folder or a folder in a different mailbox then None is returned return CopyItem(account=self.account).get( items=[self], to_folder=to_folder, expect_result=None, ) @require_id def move(self, to_folder): from ..services import MoveItem res = MoveItem(account=self.account).get( items=[self], to_folder=to_folder, expect_result=None, ) if res is None: # Assume 'to_folder' is a public folder or a folder in a different mailbox self._id = None return self._id = self.ID_ELEMENT_CLS(*res) self.folder = to_folder def move_to_trash( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Delete and move to the trash folder. self._delete( delete_type=MOVE_TO_DELETED_ITEMS, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id = None self.folder = self.account.trash def soft_delete( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Delete and move to the dumpster, if it is enabled. self._delete( delete_type=SOFT_DELETE, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id = None self.folder = self.account.recoverable_items_deletions def delete( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Remove the item permanently. No copies are stored anywhere. self._delete( delete_type=HARD_DELETE, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id, self.folder = None, None @require_id def _delete(self, delete_type, send_meeting_cancellations, affected_task_occurrences, suppress_read_receipts): from ..services import DeleteItem DeleteItem(account=self.account).get( items=[self], delete_type=delete_type, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) @require_id def archive(self, to_folder): from ..services import ArchiveItem return ArchiveItem(account=self.account).get(items=[self], to_folder=to_folder, expect_result=True) def attach(self, attachments): """Add an attachment, or a list of attachments, to this item. If the item has already been saved, the attachments will be created on the server immediately. If the item has not yet been saved, the attachments will be created on the server when the item is saved. Adding attachments to an existing item will update the changekey of the item. :param attachments: """ if not is_iterable(attachments, generators_allowed=True): attachments = [attachments] for a in attachments: if not a.parent_item: a.parent_item = self if self.id and not a.attachment_id: # Already saved object. Attach the attachment server-side now a.attach() if a not in self.attachments: self.attachments.append(a) def detach(self, attachments): """Remove an attachment, or a list of attachments, from this item. If the item has already been saved, the attachments will be deleted on the server immediately. If the item has not yet been saved, the attachments will simply not be created on the server the item is saved. Removing attachments from an existing item will update the changekey of the item. :param attachments: """ if not is_iterable(attachments, generators_allowed=True): attachments = [attachments] if attachments is self.attachments: # Don't remove from the same list we are iterating attachments = list(attachments) for a in attachments: if a.parent_item is not self: raise ValueError("Attachment does not belong to this item") if self.id: # Item is already created. Detach the attachment server-side now a.detach() if a in self.attachments: self.attachments.remove(a) @require_id def create_forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None): from .message import ForwardItem return ForwardItem( account=self.account, reference_item_id=ReferenceItemId(id=self.id, changekey=self.changekey), subject=subject, new_body=body, to_recipients=to_recipients, cc_recipients=cc_recipients, bcc_recipients=bcc_recipients, ) def forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None): return self.create_forward( subject, body, to_recipients, cc_recipients, bcc_recipients, ).send()MSDN: https://docs.microsoft.com/en-us/exchange/client-developer/web-service-reference/item
Pick out optional 'account' and 'folder' kwargs, and pass the rest to the parent class.
:param kwargs: 'account' is optional but allows calling 'send()' and 'delete()' 'folder' is optional but allows calling 'save()'. If 'folder' has an account, and 'account' is not set, we use folder.account.
Ancestors
Subclasses
- BaseMeetingItem
- CalendarItem
- exchangelib.items.calendar_item._Booking
- Contact
- DistributionList
- Message
- PostItem
- PostReplyItem
- Task
Class variables
var ELEMENT_NAMEvar FIELDSvar INSERT_AFTER_FIELD
Instance variables
var attachmentsvar bodyvar categoriesvar conversation_idvar culturevar datetime_createdvar datetime_receivedvar datetime_sentvar display_ccvar display_tovar effective_rightsvar has_attachmentsvar headersvar importancevar in_reply_tovar is_associatedvar is_draftvar is_from_mevar is_resendvar is_submittedvar is_unmodifiedvar item_classvar last_modified_namevar last_modified_timevar mime_contentvar parent_folder_idvar reminder_due_byvar reminder_is_setvar reminder_minutes_before_startvar response_objectsvar sensitivityvar sizevar subjectvar text_bodyvar unique_bodyvar web_client_edit_form_query_stringvar web_client_read_form_query_string
Methods
def archive(self, to_folder)-
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@require_id def archive(self, to_folder): from ..services import ArchiveItem return ArchiveItem(account=self.account).get(items=[self], to_folder=to_folder, expect_result=True) def attach(self, attachments)-
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def attach(self, attachments): """Add an attachment, or a list of attachments, to this item. If the item has already been saved, the attachments will be created on the server immediately. If the item has not yet been saved, the attachments will be created on the server when the item is saved. Adding attachments to an existing item will update the changekey of the item. :param attachments: """ if not is_iterable(attachments, generators_allowed=True): attachments = [attachments] for a in attachments: if not a.parent_item: a.parent_item = self if self.id and not a.attachment_id: # Already saved object. Attach the attachment server-side now a.attach() if a not in self.attachments: self.attachments.append(a)Add an attachment, or a list of attachments, to this item. If the item has already been saved, the attachments will be created on the server immediately. If the item has not yet been saved, the attachments will be created on the server when the item is saved.
Adding attachments to an existing item will update the changekey of the item.
:param attachments:
def copy(self, to_folder)-
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@require_id def copy(self, to_folder): from ..services import CopyItem # If 'to_folder' is a public folder or a folder in a different mailbox then None is returned return CopyItem(account=self.account).get( items=[self], to_folder=to_folder, expect_result=None, ) def create_forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None)-
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@require_id def create_forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None): from .message import ForwardItem return ForwardItem( account=self.account, reference_item_id=ReferenceItemId(id=self.id, changekey=self.changekey), subject=subject, new_body=body, to_recipients=to_recipients, cc_recipients=cc_recipients, bcc_recipients=bcc_recipients, ) def delete(self,
send_meeting_cancellations='SendToNone',
affected_task_occurrences='AllOccurrences',
suppress_read_receipts=True)-
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def delete( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Remove the item permanently. No copies are stored anywhere. self._delete( delete_type=HARD_DELETE, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id, self.folder = None, None def detach(self, attachments)-
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def detach(self, attachments): """Remove an attachment, or a list of attachments, from this item. If the item has already been saved, the attachments will be deleted on the server immediately. If the item has not yet been saved, the attachments will simply not be created on the server the item is saved. Removing attachments from an existing item will update the changekey of the item. :param attachments: """ if not is_iterable(attachments, generators_allowed=True): attachments = [attachments] if attachments is self.attachments: # Don't remove from the same list we are iterating attachments = list(attachments) for a in attachments: if a.parent_item is not self: raise ValueError("Attachment does not belong to this item") if self.id: # Item is already created. Detach the attachment server-side now a.detach() if a in self.attachments: self.attachments.remove(a)Remove an attachment, or a list of attachments, from this item. If the item has already been saved, the attachments will be deleted on the server immediately. If the item has not yet been saved, the attachments will simply not be created on the server the item is saved.
Removing attachments from an existing item will update the changekey of the item.
:param attachments:
def forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None)-
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def forward(self, subject, body, to_recipients, cc_recipients=None, bcc_recipients=None): return self.create_forward( subject, body, to_recipients, cc_recipients, bcc_recipients, ).send() def move(self, to_folder)-
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@require_id def move(self, to_folder): from ..services import MoveItem res = MoveItem(account=self.account).get( items=[self], to_folder=to_folder, expect_result=None, ) if res is None: # Assume 'to_folder' is a public folder or a folder in a different mailbox self._id = None return self._id = self.ID_ELEMENT_CLS(*res) self.folder = to_folder def move_to_trash(self,
send_meeting_cancellations='SendToNone',
affected_task_occurrences='AllOccurrences',
suppress_read_receipts=True)-
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def move_to_trash( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Delete and move to the trash folder. self._delete( delete_type=MOVE_TO_DELETED_ITEMS, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id = None self.folder = self.account.trash def refresh(self)-
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@require_id def refresh(self): # Updates the item based on fresh data from EWS from ..services import GetItem additional_fields = {FieldPath(field=f) for f in self.supported_fields(version=self.account.version)} res = GetItem(account=self.account).get(items=[self], additional_fields=additional_fields, shape=ID_ONLY) if self.id != res.id and not isinstance(self._id, (OccurrenceItemId, RecurringMasterItemId)): # When we refresh an item with an OccurrenceItemId as ID, EWS returns the ID of the occurrence, so # the ID of this item changes. raise ValueError("'id' mismatch in returned update response") for f in self.FIELDS: setattr(self, f.name, getattr(res, f.name)) # 'parent_item' should point to 'self', not 'fresh_item'. That way, 'fresh_item' can be garbage collected. for a in self.attachments: a.parent_item = self return self def save(self,
update_fields=None,
conflict_resolution='AutoResolve',
send_meeting_invitations='SendToNone')-
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def save(self, update_fields=None, conflict_resolution=AUTO_RESOLVE, send_meeting_invitations=SEND_TO_NONE): from .task import Task if self.id: item_id, changekey = self._update( update_fieldnames=update_fields, message_disposition=SAVE_ONLY, conflict_resolution=conflict_resolution, send_meeting_invitations=send_meeting_invitations, ) if ( self.id != item_id and not isinstance(self._id, (OccurrenceItemId, RecurringMasterItemId)) and not isinstance(self, Task) ): # When we update an item with an OccurrenceItemId as ID, EWS returns the ID of the occurrence, so # the ID of this item changes. # # When we update certain fields on a task, the ID may change. A full description is available at # https://docs.microsoft.com/en-us/exchange/client-developer/web-service-reference/updateitem-operation-task raise ValueError("'id' mismatch in returned update response") # Don't check that changekeys are different. No-op saves will sometimes leave the changekey intact self._id = self.ID_ELEMENT_CLS(item_id, changekey) else: if update_fields: raise ValueError("'update_fields' is only valid for updates") tmp_attachments = None if self.account and self.account.version.build < EXCHANGE_2013 and self.attachments: # At least some versions prior to Exchange 2013 can't save attachments immediately. You need to first # save, then attach. Store the attachment of this item temporarily and attach later. tmp_attachments, self.attachments = self.attachments, [] item = self._create(message_disposition=SAVE_ONLY, send_meeting_invitations=send_meeting_invitations) self._id = self.ID_ELEMENT_CLS(item.id, item.changekey) for old_att, new_att in zip(self.attachments, item.attachments): if old_att.attachment_id is not None: raise ValueError("Old 'attachment_id' is not empty") if new_att.attachment_id is None: raise ValueError("New 'attachment_id' is empty") old_att.attachment_id = new_att.attachment_id if tmp_attachments: # Exchange 2007 workaround. See above self.attach(tmp_attachments) return self def soft_delete(self,
send_meeting_cancellations='SendToNone',
affected_task_occurrences='AllOccurrences',
suppress_read_receipts=True)-
Expand source code
def soft_delete( self, send_meeting_cancellations=SEND_TO_NONE, affected_task_occurrences=ALL_OCCURRENCES, suppress_read_receipts=True, ): # Delete and move to the dumpster, if it is enabled. self._delete( delete_type=SOFT_DELETE, send_meeting_cancellations=send_meeting_cancellations, affected_task_occurrences=affected_task_occurrences, suppress_read_receipts=suppress_read_receipts, ) self._id = None self.folder = self.account.recoverable_items_deletions
Inherited members