Hello to the community.
I want to share with you a simple tool I created to extend the capabilities
of completion of the DAL code. So far I've only tested PyCham. Experiment
with other IDEs and tell me.
Given the dynamic nature of Python and how web2py defines the tables, it
becomes impossible (or very difficult) for the IDE to know the structure of
these (tables names, fields, etc..). Based on the dummy code in gluon /
__init__.py to activate the completion code, we can "show" to the IDE
objects that exist only at runtime, such as tables and fields of the DAL.
Well, suppose we have the following table:
db.define_table ('student',
Field ('name'),
Field ('age', 'integer'),
Field ('career')
)
We want the IDE to recognize its structure. Here are the steps:
1. Copy the package "wood" in the "models" directory.
2. The module zwood.py is the wood activator. Follow the instructions
explained there.
3. Run the "appadmin" of the app. If all went well, a new python
module should appear in "wood", named prefix_aliases.py. The dummy module
contains code that simulates the structure of the tables and fields of the
DAL.
4. Comment out the line db = DAL() in gluon.__init__.py to avoid
possible conflicts.
5. Comment / replace db = DAL (...) line by the exec "db = DAL (...)"
equivalent sentence, to avoid possible conflicts.
6. Finally, create a model and insert the following:
if 0:
wood.prefix_aliases from import *
7. Where "prefix" is the value entered in step 2.
Done. If all went well, the completion should work.
I hope you like it.
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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