My Pyscript app works, but it's not producing the desired result. The app will look for a JSON so I provided one below. It will also ask permission to access your directory at least twice as I have two mounts.

At first, in main.py, I'm grabbing these values from a pandas dataframe:

\\network_path_to\SRL_22-15A-E.pdf
\\network_path_to\SR_22-15A-W.pdf
\\network_path_to\SRL_22-15A-W.pdf
\\network_path_to\SR_22-16B-E.pdf
\\network_path_to\SRL_22-16B-E.pdf
\\network_path_to\SR_22-16B-W.pdf
\\network_path_to\SRL_22-16B-W.pdf
\\network_path_to\SR_22-16A-E.pdf
\\network_path_to\SRL_22-16A-E.pdf
\\network_path_to\SR_22-16A-W.pdf
\\network_path_to\SRL_22-16A-W.pdf

Further down in my main.py file I have two mount points because I'm working with sets of values (e.g. SRL_22-15A-E.pdf, SR_22-15A-E.pdf). Then I write the values to the same local directory, but divide them into two different TXT files (i.e. large.txt, small.txt) .

# filesystem ================================

# Mount a local folder specifying a different handler. This requires a
# user explicit transient action (once).
await fs.mount("/local", id="v1")

# Operate on that folder.
with open("/local/small.txt", "w") as f:
 f.write(f'{saR}')
await fs.unmount("/local")

# Mount a different local folder specifying a different handler. This
# also requires a user explicit transient action (once).
await fs.mount("/local", id="v2")

# Operate on that folder.
with open("/local/large.txt", "w") as f:
 f.write(f'{saRL}')
await fs.unmount("/local")

# Go back to the original handler. No transient action required now.
await fs.mount("/local", id="v1")

await fs.sync("/local")

# filesystem ================================

However, when I open the TXT files I only see network_path_to\SRL_22-16A-W.pdf and network_path_to\SR_22-16A-W.pdf in their respective files.

I expect to see all SRL_ in the large.txt file:

\\network_path_to\SRL_22-15A-E.pdf
\\network_path_to\SRL_22-15A-W.pdf
\\network_path_to\SRL_22-16B-E.pdf
\\network_path_to\SRL_22-16B-W.pdf
\\network_path_to\SRL_22-16A-E.pdf
\\network_path_to\SRL_22-16A-W.pdf

and all SR_ in the small.txt file:

\\network_path_to\SR_22-15A-W.pdf
\\network_path_to\SR_22-16B-E.pdf
\\network_path_to\SR_22-16B-W.pdf
\\network_path_to\SR_22-16A-E.pdf
\\network_path_to\SR_22-16A-W.pdf

When I print to the Chrome console I see all of them.

print(f'{saR}\n{saRL}')

test JSON:

[
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-15A-E.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-15A-E.pdf"
 }
 },
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-15A-W.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-15A-W.pdf"
 }
 },
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-16B-E.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-16B-E.pdf"
 }
 },
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-16B-W.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-16B-W.pdf"
 }
 },
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-16A-E.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-16A-E.pdf"
 }
 },
 {
 "symbol": null,
 "attributes": {
 "SaR_Grid_Maps": "\\\\network_path_to\\SR_22-16A-W.pdf",
 "SaRL_Grid_Maps": "\\\\network_path_to\\SRL_22-16A-W.pdf"
 }
 }
]

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