def generate_date_graphs(path_to_output_dir, x_axis, y_axis_map, title, x_axis_title, y_axis_title, png_format=False):
gstyle = Style(
# http://www.pygal.org/en/latest/documentation/custom_styles.html
background='white',
plot_background='rgba(0, 0, 255, 0.03)',
foreground='rgba(0, 0, 0, 0.8)',
foreground_light='rgba(0, 0, 0, 0.9)',
foreground_dark='rgba(0, 0, 0, 0.7)',
colors=('#5DA5DA', '#FAA43A','#60BD68', '#F17CB0', '#4D4D4D', '#B2912F','#B276B2', '#DECF3F', '#F15854')
)
#human_readable is what introduce the strange Y data labels.
graph = pygal.DateY(x_label_rotation=20, title=title,
x_title=x_axis_title, y_title=y_axis_title,
legend_at_bottom=True, human_readable=False,
style=gstyle, show_minor_x_labels=True,
print_values=False)
# include_x_axis=True)
graph.x_label_format = "%Y-%m-%d %H:%M:%S"
# Add the Y-axis to this graph for this glock type for this gfs2 filesystem.
for key in y_axis_map.keys():
tlist = list(zip(tuple(x_axis),
tuple(y_axis_map.get(key))))+[None,None]
graph.add(key, tlist)
path_to_image_files = []
if (mkdirs(path_to_output_dir)):
png_format_rendered = False
path_to_image_file = ""
if (png_format):
try:
path_to_image_file = os.path.join(path_to_output_dir, "%s_stat.png" %(title.replace(" ", "_").lower()))
message = "Writing graph to %s" %(path_to_image_file)
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).debug(message)
graph.render_to_png(path_to_image_file)
png_format_rendered = True
except (ImportError, NameError):
message = "Rendering the graph to png failed. The \"cairosvg\" package must be installed."
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).error(message)
message = "The format svg will be used instead."
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).info(message)
if (not png_format_rendered):
path_to_image_file = os.path.join(path_to_output_dir, "%s_stat.svg" %(title.replace(" - ", "-").replace(" ", "_").lower()))
message = "Writing graph to %s" %(path_to_image_file)
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).debug(message)
graph.render_to_file(path_to_image_file)
png_format_rendered = True
if (os.path.exists(path_to_image_file)):
path_to_image_files.append(path_to_image_file)
return path_to_image_files
def generate_bar_graphs(path_to_output_dir, x_axis, y_axis, title, x_axis_title, y_axis_title, png_format=False):
gstyle = Style(
# http://www.pygal.org/en/latest/documentation/custom_styles.html
background='white',
plot_background='rgba(0, 0, 255, 0.03)',
foreground='rgba(0, 0, 0, 0.8)',
foreground_light='rgba(0, 0, 0, 0.9)',
foreground_dark='rgba(0, 0, 0, 0.7)',
colors=('#5DA5DA', '#FAA43A','#60BD68', '#F17CB0', '#4D4D4D', '#B2912F','#B276B2', '#DECF3F', '#F15854')
)
bar_chart = pygal.Bar(x_label_rotation=20, title=title,
x_title=x_axis_title, y_title=y_axis_title,
legend_at_bottom=True, human_readable=True,
style=gstyle)
bar_chart.x_labels = map(str, x_axis)
index = 0
for index in range(0, len(x_axis)):
data = map(lambda x: None, [None] * len(x_axis))
data[index] = y_axis[index]
bar_chart.add(x_axis[index], data)
path_to_image_files = []
if (mkdirs(path_to_output_dir)):
png_format_rendered = False
path_to_image_file = ""
if (png_format):
try:
path_to_image_file = os.path.join(path_to_output_dir, "%s_stat.png" %(title.replace(" - ", "-").replace(" ", "_").lower()))
message = "Writing graph to %s" %(path_to_image_file)
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).debug(message)
bar_chart.render_to_png(path_to_image_file)
png_format_rendered = True
except (ImportError, NameError):
message = "Rendering the graph to png failed. The \"cairosvg\" package must be installed."
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).error(message)
message = "The format svg will be used instead."
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).info(message)
if (not png_format_rendered):
path_to_image_file = os.path.join(path_to_output_dir, "%s_stat.svg" %(title.replace(" - ", "-").replace(" ", "_").lower()))
message = "Writing graph to %s" %(path_to_image_file)
logging.getLogger(glocktop_analyze.MAIN_LOGGER_NAME).debug(message)
bar_chart.render_to_file(path_to_image_file)
png_format_rendered = True
if (os.path.exists(path_to_image_file)):
path_to_image_files.append(path_to_image_file)
return path_to_image_files
