def v4_regression_list()

in lnt/server/ui/regression_views.py [0:0]

• 81 lines of code
• 22 McCabe index (conditional complexity)

def v4_regression_list():

    ts = request.get_testsuite()
    form = MergeRegressionForm(request.form)
    machine_filter = request.args.get('machine_filter')
    state_filter = int(request.args.get('state', RegressionState.ACTIVE))
    # Merge requested regressions.
    if request.method == 'POST' and \
       request.form['merge_btn'] == "Merge Regressions":
        reg_inds, regressions = _get_regressions_from_selected_form(form, ts)
        links = []
        target = 0
        for i, r in enumerate(regressions):
            if r.bug:
                target = i
                links.append(r.bug)
                
        new_regress = new_regression(ts, [x.field_change_id for x in reg_inds])
        new_regress.state = regressions[target].state
        new_regress.title = regressions[target].title
        new_regress.bug = ' '.join(links)
        for r in regressions:
            r.bug = v4_url_for("v4_regression_detail", id=new_regress.id)
            r.title = "Merged into Regression " + str(new_regress.id)
            r.state = RegressionState.IGNORED
        [ts.delete(x) for x in reg_inds]
        
        ts.commit()
        flash("Created: " + new_regress.title, FLASH_SUCCESS)
        return redirect(v4_url_for("v4_regression_detail", id=new_regress.id))
    # Delete requested regressions.
    if request.method == 'POST' and \
            request.form['merge_btn'] == "Delete Regressions":
        reg_inds, regressions = _get_regressions_from_selected_form(form, ts)
        titles = [r.title for r in regressions]
        for res_ind in reg_inds:
            ts.delete(res_ind)
        for reg in regressions:
            ts.delete(reg)
        ts.commit()
        flash(' Deleted: '.join(titles), FLASH_SUCCESS)
        return redirect(v4_url_for("v4_regression_list", state=state_filter))

    q = ts.query(ts.Regression)
    title = "All Regressions"
    if state_filter != -1:
        q = q.filter(ts.Regression.state == state_filter)
        title = RegressionState.names[state_filter]
    regression_info = q.all()[::-1]

    form.regression_checkboxes.choices = list()
    regression_sizes = []
    impacts = []
    ages = []

    filtered_regressions = []
    for regression in regression_info:
        reg_inds = ts.query(ts.RegressionIndicator) \
            .filter(ts.RegressionIndicator.regression_id ==
                    regression.id) \
            .all()
        if machine_filter:
            machine_names = set([x.field_change.machine.name for x in reg_inds])
            if machine_filter in machine_names:
                filtered_regressions.append(regression)
            else:
                continue
        else:
            filtered_regressions.append(regression)
        form.regression_checkboxes.choices.append((regression.id, 1,))

        regression_sizes.append(len(reg_inds))
        impacts.append(calc_impact(ts, [x.field_change for x in reg_inds]))
        # Now guess the regression age:
        if len(reg_inds) and reg_inds[0].field_change and reg_inds[0].field_change.run:
                age = reg_inds[0].field_change.run.end_time
        else:
                age = EmptyDate()
        ages.append(age)

    return render_template("v4_regression_list.html",
                           testsuite_name=g.testsuite_name,
                           regressions=filtered_regressions,
                           highlight=request.args.get('highlight'),
                           title=title,
                           RegressionState=RegressionState,
                           state_filter=state_filter,
                           form=form,
                           sizes=regression_sizes,
                           impacts=impacts,
                           ages=ages,
                           analysis=lnt.server.reporting.analysis)