I am attempting to send a variable to the 'GetFiles' function in a model within web2py using this code snippet where the output is saved as 'a':
<script>
VARIABLE = 'teststring'
a = {{=XML(response.json(GetFiles(VARIABLE)))}}
</script>
Upon loading the page, VARIABLE is interpreted as a string literal instead of as 'teststring'.
An error message is displayed: NameError: name 'VARIABLE' is not defined
Substituting the value of VARIABLE manually resolves the issue without any errors.
The code snippet provided below:
{{=XML(response.json(GetFiles(VARIABLE)))}}
is an example of Python code that is executed on the server side before the HTML page is sent to the browser. Hence, it can only access variables defined within the Python environment. In contrast, the following code block:
VARIABLE = 'teststring'
belongs to Javascript and is executed in the browser after the HTML page has been delivered (i.e., after the Python code execution).
If the value passed to the GetFiles function is dynamically generated in the browser, you cannot directly call the Python function on the server from the client-side. Instead, you would need to initiate an Ajax request to communicate with the server.
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