Initializing help system before first use

xpressinsight.AppInterface.put_scen_attach

Purpose
Uploads a scenario attachment to the Insight server.
Synopsis
xpressinsight.AppInterface.put_scen_attach(self, filename: str, overwrite: bool = True, *, source_filename: str = None) -> None
Arguments
filename 
The filename of the attachment to be uploaded
overwrite 
If True, will overwrite attachment if it already exists. If False and attachment already exists, will fail. Defaults to True if not given.
source_filename 
The local filename from which to read the attachment content; may be an absolute path or relative to the Python working directory. If not specified, the attachment will be read from a file in the working directory.
Return value

This function may raise the following errors:

  AttachFilenameInvalidError

If the given filename is not valid for an attachment

  AttachAlreadyExistsError

If an attachment with this name already exists and the overwrite flag was not passed as True

  AttachTooLargeError

If the file is too large to add as an attachment

  TooManyAttachError

If the scenario already has too many attachments

  AttachError

If there is some other error adding the attachment

Example
Example of taking a file my_attach.dat in the working directory, and saving it as a new scenario attachment called my_attach.dat. 
>>> try:
...     insight.put_scen_attach('my_attach.dat', False)
...     print("Attachment added ok")
....except AttachAlreadyExistsError:
...     print("Attachment already exists")
Further information
1. The method put_scen_attach is part of the class xpressinsight.AppInterface.
2. To maintain backwards compatibility, attachment operations will only raise exceptions on error if the raise_attach_exceptions attribute of either the AppConfig or AppInterface class is set to True. When this is not the case, after every call to this method you should check the value of insight.attach_status to see if your request succeeded.
3. The new attachment will not be available on the Insight server until the scenario completes.
4. 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_scen_attach

Parent Topic App Interface Classes

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