Can i distribute a open source client-side software(BSD license) with Google Visualization API?

[hoamon]

I had read http://code.google.com/apis/chart/interactive/faq.html#creatingaclient, but i still have some questions?

First, i describe my purpose of software:

I want to use Google chart tools to render a chart image in the webkit frame to replace matplotlib with python language.

For example, i wrote a python script that export a html string.

The html string that matched google chart tools usage and i set it into a webkit frame(not use iframe) with PyQt4.

The result is below:

https://sites.google.com/a/hoamon.info/paper/open-files/pyjsplot.png

In this software, i only download a "https://www.google.com/jsapi" script and put it into my software directory.

My questions are:

1. Can i download and keep "https://www.google.com/jsapi" for my client-side software?  Or i can only use a "https://www.google.com/jsapi" link.
2. Is this client-side software allowed?  If deny, why?  Because i can use any browser to view google chart page,  why can i use a custom one with webkit?
3. If i want to distribute this software, can i use BSD license?  I can ask user to download "https://www.google.com/jsapi" by himself/herself or just use jsapi link.

Thanks for your patience.

[asgallant]

The Terms of Service (http://code.google.com/apis/chart/terms.html) prohibit downloading or mirroring the API.   The API is not available for offline use.  If you want to use it, you must include it as a link in a script tag.  Also, it is not open-source, so while your open-source code can reference the API and access its functions, you cannot copy or modify the source code.

I don't think there is anything prohibiting you from using it in any specific environments, so long as they are accessing the API online.