Initializing help system before first use

xpressinsight.AppInterface.get_attach_by_tag

Purpose

Gets Insight attachments by tag

Searches the scenario and the containing app for an attachment or attachments with the given tag, and retrieves them from the Insight server, placing them in a local directory directory where they can be read by the model. If any scenario attachments with the given tag are found, these are retrieved without searching the app. If no scenario attachments with the given tag are found, then the search continues at the app level.


Synopsis
xpressinsight.AppInterface.get_attach_by_tag(self, tag: str, *, destination_directory: str = None) -> Optional[Attachment]
Arguments
tag 
The tag to search for
destination_directory 
The directory into which to copy the attachment, which must exist or a FileNotFoundError will be raised. If not specified, the attachment will be copied into the Python working directory.
Return value
An attachment object which will be populated with the details of the attachment that was retrieved.
Example
Example of searching for and retrieving an attachment with the tag tag1 
>>> attachment = insight.get_attach_by_tag('mytag1')
... if insight.attach_status != AttachStatus.OK:
...     print("Error searching for attachments")
... else:
...     with open(attachment.filename) as f:
...         pass  # process the file
Further information
1. The method get_attach_by_tag is part of the class xpressinsight.AppInterface.
2. Check the attachment status code using insight.attach_status to determine whether the attachment(s) were successfully retrieved.
3. Attempting to access attachments outside an Xpress Insight scenario will access local files that have been supplied to this class.
Related topics
AppInterface.attach_status,
AppInterface.get_app_attach,
AppInterface.get_scen_attach,
AppInterface.list_app_attach,
AppInterface.list_scen_attach,
Attachment

Parent Topic App Interface Classes

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