[zos-files] download_dsn fails to write contents to disk

[t1m0thyj]

Traceback (most recent call last):
  File "C:\Users\user\Projects\zowe\zowe-client-python-sdk\test.py", line 14, in <module>
    files_api.download_dsn(dsname, "test-download.txt")
  File "c:\users\user\projects\zowe\zowe-client-python-sdk\src\zos_files\zowe\zos_files_for_zowe_sdk\files.py", line 405, in download_dsn
    shutil.copyfileobj(raw_response, f)
  File "C:\Python310\lib\shutil.py", line 198, in copyfileobj
    fdst_write(buf)
TypeError: write() argument must be str, not bytes

[github-actions]

Thank you for creating a bug report.
We will investigate the bug and evaluate its impact on the product.
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[Aman123lug]

I want to work on this issue. I want to contribute in a medium-level problem can I work on this?

[t1m0thyj]

@Aman123lug Feel free to work on this issue, although you'll need a z/OSMF environment to be able to reproduce the issue and test a fix 🙂

To gain access to a mainframe running z/OSMF, you could sign up for the OMP Cobol Programming Course or request a 3-day trial from IBM here.

[t1m0thyj]

To work around this issue, the file can be downloaded to a string and then saved to a file:

dsn_contents = files.get_dsn_content(dsname)
with open(dsname.split(".")[-1] + ".txt", 'w') as f:
    f.write(dsn_contents["response"])