from base64 import b64encode
from datetime import timedelta
def _convert_to_textstring(lst):
return '\n'.join(lst)
def get_html_table_title(parameters):
title = get_print_title_str(parameters)
return f'<h3>{title}</h3>\n'
def get_html_text(text):
return f'<p>{text}</p>\n'
def get_html_header(refresh_rate=10):
header = ['<!DOCTYPE html>',
'<html>',
'<head>',
' <link rel="stylesheet" media="only screen and (max-width: 400px)" href="mobile.css" />',
' <link rel="stylesheet" media="only screen and (min-width: 401px)" href="desktop.css" />',
'</head>',
f'<meta http-equiv="refresh" content="{refresh_rate}" >',
'<meta charset="utf-8">',
'<meta name="viewport" content="width=device-width, initial-scale=1">',
'<body>']
header = _convert_to_textstring(header)
return header
def get_mail_html_header():
header = ['<html>',
'<head>',
'</head>',
'<body>']
header = _convert_to_textstring(header)
return header
def init_html_table():
return '<table style="width:100%">\n'
def finish_html_table():
return '</table>\n'
def html_footer(footer_logo=None):
footer = ['</body>']
if footer_logo:
logo_items = [f'<div class="footer">',
f' <img style="float: right; padding: 10px;" src="{footer_logo}" height=30px>',
f'</div>']
footer += logo_items
footer.append('</html>\n')
footer = _convert_to_textstring(footer)
return footer
def add_html_image(img_data, img_format='png'):
return f"""<br>\n<img width="100%" src="data:image/{img_format};base64, {b64encode(img_data).decode('ascii')}">"""
def get_html_link(text, link):
return f'<a href="{link}"> {text} </a>'
def get_html_row(items, html_key='td'):
row_string = ''
default_space = ' '
row_string += default_space + '<tr>\n'
for item in items:
text = item.get('text')
if item.get('bold'):
text = '<b>' + text + '</b>'
if item.get('italic'):
text = '<i>' + text + '</i>'
tooltip = item.get('tooltip')
font_color = item.get('font_color')
hyperlink = item.get('hyperlink')
color = 'transparent' if hyperlink else item.get('color')
text_str = get_html_link(text, hyperlink) if hyperlink else text
html_class = item.get('html_class')
class_str = f' class="{html_class}"' if html_class else ''
row_string += 2 * default_space + f'<{html_key}{class_str} bgcolor="{color}" title="{tooltip}"' \
+ f'style="color:{font_color}"> {text_str}</{html_key}>\n'
row_string += default_space + '</tr>\n'
return row_string
def get_print_title_str(parameters):
timespan = parameters.get('timespan') * 24 * 3600
tdelta_str = str(timedelta(seconds=int(timespan))).replace(', 0:00:00', '')
return f'Analysis table of router quality within the last {tdelta_str}'