CODEWITHSUNDEEP
pythonpandaspandas-styles
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Reputation: 5355

pandas to_html using the .style options or custom CSS?

I was following the style guide for pandas and it worked pretty well.

How can I keep these styles using the to_html command through Outlook? The documentation seems a bit lacking for me.

(df.style
   .format(percent)
   .applymap(color_negative_red, subset=['col1', 'col2'])
   .set_properties(**{'font-size': '9pt', 'font-family': 'Calibri'})
   .bar(subset=['col4', 'col5'], color='lightblue'))

import win32com.client as win32
outlook = win32.Dispatch('outlook.application')
mail = outlook.CreateItem(0)
mail.Subject = subject_name
mail.HTMLbody = ('<html><body><p><body style="font-size:11pt; 
font-family:Calibri">Hello,</p> + '<p>Title of Data</p>' + df.to_html(
            index=False, classes=????????) '</body></html>')
mail.send

The to_html documentation shows that there is a classes command that I can put inside of the to_html method, but I can't figure it out. It also seems like my dataframe does not carry the style that I specified up top.

If I try:

 df = (df.style
       .format(percent)
       .applymap(color_negative_red, subset=['col1', 'col2'])
       .set_properties(**{'font-size': '9pt', 'font-family': 'Calibri'})
       .bar(subset=['col4', 'col5'], color='lightblue'))

Then df is now a Style object and you can't use to_html.

Edit - this is what I am currently doing to modify my tables. This works, but I can't keep the cool features of the .style method that pandas offers.

email_paragraph = """
<body style= "font-size:11pt; font-family:Calibri; text-align:left; margin: 0px auto" >
"""

email_caption = """
<body style= "font-size:10pt; font-family:Century Gothic; text-align:center; margin: 0px auto" >
"""


email_style = '''<style type="text/css" media="screen" style="width:100%">
    table, th, td {border: 0px solid black;  background-color: #eee; padding: 10px;}
    th {background-color: #C6E2FF; color:black; font-family: Tahoma;font-size : 13; text-align: center;}
    td {background-color: #fff; padding: 10px; font-family: Calibri; font-size : 12; text-align: center;}
  </style>'''

Upvotes: 29

Views: 65257

Answers (3)

Plinio Bueno Andrade Silva
Plinio Bueno Andrade Silva

Reputation: 1011

It's not an extravagant / pythonic solution. I inserted the link to a direct css file before the html code made by the to_html () method, then I saved the whole string as an html file. This worked well for me.

dphtml = r'<link rel="stylesheet" type="text/css" media="screen" href="css-table.css" />' + '\n'
dphtml += dp.to_html()

with open('datatable.html','w') as f:
    f.write(dphtml)

Upvotes: 3

Michele Piccolini
Michele Piccolini

Reputation: 2953

Selecting the table (the rendered, styled, dataframe widgets in jupyter) and copy-pasting to an email body worked for me (using outlook office).

No manual html extraction, saving, loading, or anything like that.

Upvotes: 0

dennisobrien
dennisobrien

Reputation: 1198

Once you add style to your chained assignments you are operating on a Styler object. That object has a render method to get the html as a string. So in your example, you could do something like this:

html = (
    df.style
    .format(percent)
    .applymap(color_negative_red, subset=['col1', 'col2'])
    .set_properties(**{'font-size': '9pt', 'font-family': 'Calibri'})
    .bar(subset=['col4', 'col5'], color='lightblue')
    .render()
)

Then include the html in your email instead of a df.to_html().

Upvotes: 49

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