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pySim-shell: JSONpath support for updating files/records

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Change-Id: Iad09b3d878b8b58ad34cb549c80f8a6eb3149faa
This commit is contained in:
Harald Welte
2021-04-07 00:14:40 +02:00
committed by laforge
parent 75487aed90
commit 0d4e98a2ac
6 changed files with 94 additions and 2 deletions
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docs/shell.rst
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@@ -226,6 +226,33 @@ update_binary_decoded
:module: pySim.filesystem
:func: TransparentEF.ShellCommands.upd_bin_dec_parser
In normal operation, update_binary_decoded needs a JSON document representing the entire file contents as
input. This can be inconvenient if you want to keep 99% of the content but just toggle one specific
parameter. That's where the JSONpath support comes in handy: You can specify a JSONpath to an element
inside the document as well as a new value for tat field:
Th below example demonstrates this by modifying the ofm field within EF.AD:
::
pySIM-shell (MF/ADF.USIM/EF.AD)> read_binary_decoded
{
"ms_operation_mode": "normal",
"specific_facilities": {
"ofm": true
},
"len_of_mnc_in_imsi": 2
}
pySIM-shell (MF/ADF.USIM/EF.AD)> update_binary_decoded --json-path specific_facilities.ofm false
pySIM-shell (MF/ADF.USIM/EF.AD)> read_binary_decoded
{
"ms_operation_mode": "normal",
"specific_facilities": {
"ofm": false
},
"len_of_mnc_in_imsi": 2
}
cmd2 settable parameters