Bug #102342 Workbench 8.0.23 CE won't store dump to folder
Submitted: 22 Jan 2021 9:34 Modified: 22 Jan 2021 10:09
Reporter: Dimitriy Khlevnyak Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Workbench Severity:S3 (Non-critical)
Version:8.0.23 OS:Linux (Ubuntu 20.04 x86_64)
Assigned to: CPU Architecture:Any
Tags: WBBugReporter

[22 Jan 2021 9:34] Dimitriy Khlevnyak
Description:
On attempt to store a dump from remote database to a folder the following error appears

"Error executing task write() argument must be str, not bytes"

And the  folder with empty file is created.

/var/log/syslog excerpt:

Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]: Traceback (most recent call last):
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:   File "/usr/lib/mysql-workbench/modules/wb_admin_export.py", line 315, in run
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:     pipe = task.make_pipe()
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:   File "/usr/lib/mysql-workbench/modules/wb_admin_export.py", line 1782, in <lambda>
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:     task = self.TableDumpData(schema,table, args, lambda schema=schema,table=table:self.dump_to_folder(schema, table, include_schema))
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:   File "/usr/lib/mysql-workbench/modules/wb_admin_export.py", line 1684, in dump_to_folder
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]:     self.out_pipe.write(data)
Jan 22 11:06:48 dh-laptop mysql-workbench.desktop[7474]: TypeError: write() argument must be str, not bytes

How to repeat:
start MySQL workbench
connect to database
go to 'Server'->'Data Export'
select some schemas to export
press 'Start Export' button
the error appears

Suggested fix:
File "/usr/lib/mysql-workbench/modules/wb_admin_export.py", Line 1679 opens file in write text I/O mode:

        self.out_pipe = open(path,"w")

looks like it should be binary:

        self.out_pipe = open(path,"wb")
[22 Jan 2021 10:09] MySQL Verification Team
Hello Dimitriy Khlevnyak,

Thank you for the bug report.
Imho this is duplicate of Bug #102320, please see Bug #102320.

Regards,
Ashwini Patil