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| website = {{URL|jampyapplicationbuilder.com}}
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'''Jam.py''' is [[Web framework]] providing [[Low-code development platform|low-code]] and [[No-code development platform|no-code]], full [[
Jam.py version 5.x is a [[Single-page application|single-page]], [[Event-driven architecture|event driven]] [[low-code development platform]] for [[database]]-driven business [[web application]]s, based on the [[
It provides a built-in web server, [[graphical user interface builder]] (named Application Builder), and database access including third-party databases.
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==Distinctive features==
=== Built-in
All [[Software development|development]], [[Software maintenance|maintenance]] and remote database administration can be performed via Builder interface. The most distinctive feature is the Client and Server Module. The Server Module enables the Python code for business logic, executed as a [[server-side]] session. The Client Module executes the JavaScript code within a browser. It is possible to exchange data between the two.
<ref>[https://www.linux-magazine.com/Issues/2020/241/Jam.py Building a database front end with Jam.py]</ref>
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Application Builder is strongly influenced by [[Delphi (software)|Delphi]] visual designer.<ref>[https://www.webprecis.com/best-frameworks-for-web-design Best Frameworks for Web Design]</ref>
=== Application
This JavaScript [["Hello, World!" program]] code displays a simple web page when visited:
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The above code resides in Task/Client Module(s) within the Application Builder. The task function can be accessed globally.
=== Application
The Python libraries can be imported within the Task/Server Module(s):
<syntaxhighlight lang="python">
import smtplib
def send_email():
# code that sends email
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=== Database migrations ===
Jam.py supports database [[Data migration|migration]] and data import from one supported database to another.
The below code in the Task/Server Module will import data from SQLite to application database:
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<syntaxhighlight lang="python">
from jam.db.db_modules import SQLITE
def on_created(task):
task.copy_database(SQLITE,
</syntaxhighlight>
Limits:
* The SQLite database
== PythonAnywhere ==
[[PythonAnywhere]] Python 3.x deployment is supported<ref group=Note>{{Cite web |url=https://github.com/pythonanywhere/help_pages/blob/master/articles/Jampy.md |title=pythonanywhere/help_pages |website=GitHub |date=11 October 2021}}</ref>▼
▲[[PythonAnywhere]] Python 3.x deployment is supported<ref group=Note>{{Cite web|url=https://github.com/pythonanywhere/help_pages/blob/master/articles/Jampy.md|title=pythonanywhere/help_pages|website=GitHub|date=11 October 2021}}</ref>
==Notes==
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