...better. not perfect. X-axis now has human-readable datetimes.

coincharts/views.py

@@ -10,38 +10,29 @@
import svg_graph

def index(request, symbol_id):
    prices = Prices.objects.filter(symbol_id=symbol_id)[:100]

    # these make no sense. testing.
    x_labels = svg_graph.GraphLabel('Year',
                          values=(2008, 2009, 2010, 2011, 2012),
                          padding=100)

    y_labels = svg_graph.GraphLabel('Price',
                          values=(0, 5, 10, 15),
                          padding=100,
                          omit_zeroith=True)
    prices = Prices.objects.filter(symbol_id=symbol_id)[:1000]

    def string_to_epoch(string):
        return time.mktime(parse_dt(string).timetuple())

    def prices_gen(prices):
        x = []
        for p in prices:
            x.append((string_to_epoch(p.time), int(p.price)))
            x.append((p.time, int(p.price)))
        return x

    xyz = prices_gen(prices)
    print('-'*100)
    print(len(xyz))
    print('-'*100)
    title = '{} from {} to {}'.format(
        symbol_id,
        prices[0].time,
        prices[len(prices)-1].time,  # "negative indexing is not supported"
    )

    graph = svg_graph.LineGraph(
        'Look at This Graph',
        title,
        height=580,
        width=700,
        points=xyz,
        labels=[x_labels, y_labels]
        width=1200,
        points=prices_gen(prices),
        linear_x=True
    )

    context = {