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ENH: support storage_options in pandas.read_html #49944

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@jond01

Description

@jond01

Feature Type

  • Adding new functionality to pandas

Problem Description

I wish pandas.read_html supported the storage_options keyword argument, just like pandas.read_json and many other functions.
The storage_options can be helpful when reading data from websites requiring request headers, such as user-agent.

Feature Description

With the suggestion, pd.read_html will accept storage_options:

import pandas as pd

url = "http://apps.fibi.co.il/Matach/matach.aspx"
user_agent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36"
df = pd.read_html(url, storage_options={"User-Agent": user_agent})[0]

Currently, without the storage_options argument, the request fails with:

df = pd.read_html(url)[0]
ValueError: No tables found

Alternative Solutions

A workaround is to use urllib and send pandas the HTTP response:

import urllib.request

import pandas as pd

url = "http://apps.fibi.co.il/Matach/matach.aspx"
user_agent = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36"
request = urllib.request.Request(url, headers={"User-Agent": user_agent})
with urllib.request.urlopen(request) as response:
    df = pd.read_html(response)[0]

This approach is valid but more verbose.
It will be valuable to extend the already widespread support of storage_options in pandas to pd.read_html also.

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EnhancementIO HTMLread_html, to_html, Styler.apply, Styler.applymap

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