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Mozamel 
Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/api.py", line 899, in get
    return field_cache[record._ids[0]]
KeyError: 1

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/fields.py", line 1083, in __get__
    value = env.cache.get(record, self)
  File "/home/odoo/src/odoo/odoo/api.py", line 902, in get
    raise CacheMiss(record, field)
odoo.exceptions.CacheMiss: 'pos.config(1,).last_session_closing_date'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_http.py", line 242, in _dispatch
    result = request.dispatch()
  File "/home/odoo/src/odoo/odoo/http.py", line 702, in dispatch
    result = self._call_function(**self.params)
  File "/home/odoo/src/odoo/odoo/http.py", line 368, in _call_function
    return checked_call(self.db, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/service/model.py", line 94, in wrapper
    return f(dbname, *args, **kwargs)
  File "/home/odoo/src/odoo/odoo/http.py", line 357, in checked_call
    result = self.endpoint(*a, **kw)
  File "/home/odoo/src/odoo/odoo/http.py", line 925, in __call__
    return self.method(*args, **kw)
  File "/home/odoo/src/odoo/odoo/http.py", line 546, in response_wrap
    response = f(*args, **kw)
  File "/home/odoo/src/odoo/addons/web/controllers/main.py", line 1282, in search_read
    return self.do_search_read(model, fields, offset, limit, domain, sort)
  File "/home/odoo/src/odoo/addons/web/controllers/main.py", line 1301, in do_search_read
    return Model.web_search_read(domain, fields, offset=offset, limit=limit, order=sort)
  File "/home/odoo/src/odoo/addons/web/models/models.py", line 62, in web_search_read
    records = self.search_read(domain, fields, offset=offset, limit=limit, order=order)
  File "/home/odoo/src/odoo/odoo/models.py", line 5091, in search_read
    result = records.read(fields, **read_kwargs)
  File "/home/odoo/src/odoo/odoo/models.py", line 3243, in read
    return self._read_format(fnames=fields, load=load)
  File "/home/odoo/src/odoo/odoo/models.py", line 3263, in _read_format
    vals[name] = convert(record[name], record, use_name_get)
  File "/home/odoo/src/odoo/odoo/models.py", line 5936, in __getitem__
    return self._fields[key].__get__(self, self.env.registry[self._name])
  File "/home/odoo/src/odoo/odoo/fields.py", line 1132, in __get__
    self.compute_value(recs)
  File "/home/odoo/src/odoo/odoo/fields.py", line 1295, in compute_value
    records._compute_field_value(self)
  File "/home/odoo/src/odoo/odoo/models.py", line 4277, in _compute_field_value
    fields.determine(field.compute, self)
  File "/home/odoo/src/odoo/odoo/fields.py", line 88, in determine
    return needle(*args)
  File "/home/odoo/src/odoo/addons/point_of_sale/models/pos_config.py", line 240, in _compute_last_session
    pos_config.last_session_closing_date = session[0]['stop_at'].astimezone(timezone).date()
Exception

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/http.py", line 658, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/odoo/src/odoo/odoo/http.py", line 301, in _handle_exception
    raise exception.with_traceback(None) from new_cause
AttributeError: 'bool' object has no attribute 'astimezone'

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CodeWasher
Best Answer

The root cause of the issue is that the code in the _compute_last_session method doesn’t handle cases where session[0]['stop_at'] might be False or missing. Adding a check to ensure session[0]['stop_at'] is a valid datetime object before calling astimezone() should resolve the problem. Additionally, reviewing the POS session data to ensure integrity will help prevent this issue in the future.

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Jainesh Shah(Aktiv Software)
Best Answer

Hello Mozamel,


I hope you are doing well.


I wanted to explain the following code snippet:


1 Conditional Check:

- The line session and session[0]['stop_at'] checks if the session list is not empty and verifies that the stop_at key exists in the first dictionary of the list.


2 Time Zone Conversion:


- The expression session[0]['stop_at'].astimezone(timezone) converts the stop_at datetime to the specified timezone.


3 Data Extraction:

- The .date() method extracts only the date part from the datetime object.


The final result is assigned to pos_config.last_session_closing_date. If the session is not valid, it assigns False.


Here's the code for your reference:


//Code in comment//

I hope this helps!


Thanks & Regards,

Email:  odoo@aktivsoftware.com           

Skype: kalpeshmaheshwari

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Jainesh Shah(Aktiv Software)

Code :

self.pos_config.last_session_closing_date = (
session[0]['stop_at'].astimezone(timezone).date()
if session and session[0]['stop_at']
else False
)

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Yahoo Baba Innovations Pvt.Ltd
Best Answer

Hi Mozamel,

You cannot access the session[0]['stop_at'] value directly. Print the result to check the output:

python Copy code print ( '\n session :' , session[ 0 ][ 'stop_at' ])

If the result is False , you need to ensure the condition is set correctly. Verify that session[0]['stop_at'] has the expected value before assigning it:

python Copy code if session[ 0 ][ 'stop_at' ]:
    pos_config.last_session_closing_date = session[ 0 ][ 'stop_at' ].astimezone(timezone).date()

Thanks & Regards,

Name: Yahoo Baba

Email: yahoobaba077@gmail.com

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