On Friday, April 23, 2021 at 9:43:19 AM UTC-7 lucas wrote:
> hello one and all,
>
> i'd like to save and recover Storage instances to a text blob field in a
> database. converting to the string is not hard to store it in the field.
> recovering it back to a Storage instance is other issue, especially when
> they're embedded Storage objects in the main Storage object. i've tried
> from a script file not under a web2py application as:
>
> #!/usr/bin/env python3
> # -*- coding: utf-8 -*-
> from sys import path, argv
> path.append('/opt/web2py_apps/web2py/')
> from gluon import *
> from gluon.storage import Storage
> if 1:
> ss = Storage(s='main')
> ss.happy = 'yes happy'
> #ss.status = Storage(s1="1status1", s2="2status2")
> print("1:::", ss, type(ss))
> ss = repr(ss)
> print("2:::", ss, type(ss))
> #xglobal, xlocal = globals(), { }
> #eval(ss, xglobal, xlocal)
> ss = eval(ss)
> print("3:::", ss, type(ss))
> exit()
>
> with output:
> 1::: <Storage {'s': 'main', 'happy': 'yes happy'}> <class
> 'gluon.storage.Storage'>
> 2::: <Storage {'s': 'main', 'happy': 'yes happy'}> <class 'str'>
> Traceback (most recent call last):
> File "./web2py_Storage.py", line 17, in <module>
> ss = eval(ss)
> File "<string>", line 1
> <Storage {'s': 'main', 'happy': 'yes happy'}>
> ^
> SyntaxError: invalid syntax
>
> any ideas how to make this work smoothly? thank you in advance, lucas
>
When you convert the storage to string (via the repr() call), don't use the
same name.
/dps
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