[YouTube-API] extracting data from google chart

Hi,
I am trying to analyze the time varying popularity of youtube videos.
To do so, I need week by week data, number of views for example,
rather than total number of views. The following statements are taken
from a research paper titled
"The tube over time:.............................":

"Recently, YouTube has launched a statistics feature that provides a
unique opportunity to study video popularity.
The graph shown in Figure 1 was plotted by YouTube using the Google
charts API7 . For each popularity metric
(number of views, number of comments and number of fa-vorites),
YouTube requests the Google charts API, provid-ing on the requested
URL one hundred pairs of (x,y) values used to plot the graphs. For
each collected video, we gath-ered these (x,y) values by collecting
the URL requested by YouTube."

I am also looking for the same thing. For example, I want to collect
views at 100 points that were used to draw the google chart. How can I
do it using Python?

Please help me.

Thanks,
Shaiful

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