csv.Sniffer.snif doesn't set up the dialect properly for a csv created with dialect=csv.excel_tab and containing quote (") char

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
48/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Quiet
Tech stack
python
Domain
data

Research direction

Start by running the attached csv_sniffing_excel_tab.py example and reading the csv.Sniffer implementation and its existing tests. Reproduce the dialect=csv.excel_tab case with a quote character, then verify that sniffing returns a correctly configured dialect for that input.

Written by the indexing model from the issue text.

Description

3.13 3.14 3.15 stdlib type-bug
BPO 17829
Files
  • csv_sniffing_excel_tab.py: Exemple of sniffing csv with dialect=csv.excel_tab and quote in data
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = None
created_at = <Date 2013-04-24.15:06:00.650>
labels = ['type-bug']
title = 'csv.Sniffer.snif doesn\'t set up the dialect properly for a csv created with dialect=csv.excel_tab and containing quote (") char'
updated_at = <Date 2014-03-28.10:04:37.158>
user = 'https://bugs.python.org/GhislainHivon'

    bugs.python.org fields:

    activity = <Date 2014-03-28.10:04:37.158>
actor = 'Antoon.Pardon'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2013-04-24.15:06:00.650>
creator = 'GhislainHivon'
dependencies = []
files = ['30001']
hgrepos = []
issue_num = 17829
keywords = []
message_count = 3.0
messages = ['187709', '214800', '215031']
nosy_count = 3.0
nosy_names = ['GhislainHivon', 'Antoon.Pardon', 'dmi.baranov']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue17829'
versions = ['Python 2.7', 'Python 3.2']

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