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String double quoted fatal problem #48414

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String double quoted fatal problem#48414
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buildThe build process and cross-buildstdlibStandard Library Python modules in the Lib/ directory

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@cliffdover88
cliffdover88
mannequin
opened on Oct 21, 2008
BPO 4164
Nosy @amauryfa

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 = <Date 2008-10-21.21:05:19.495>
created_at = <Date 2008-10-21.20:10:24.689>
labels = ['invalid', 'build', 'library']
title = 'String double quoted fatal problem'
updated_at = <Date 2008-10-21.21:05:19.440>
user = 'https://bugs.python.org/cliffdover88'

bugs.python.org fields:

activity = <Date 2008-10-21.21:05:19.440>
actor = 'amaury.forgeotdarc'
assignee = 'none'
closed = True
closed_date = <Date 2008-10-21.21:05:19.495>
closer = 'amaury.forgeotdarc'
components = ['Library (Lib)']
creation = <Date 2008-10-21.20:10:24.689>
creator = 'cliffdover88'
dependencies = []
files = []
hgrepos = []
issue_num = 4164
keywords = []
message_count = 2.0
messages = ['75038', '75047']
nosy_count = 2.0
nosy_names = ['amaury.forgeotdarc', 'cliffdover88']
pr_nums = []
priority = 'normal'
resolution = 'not a bug'
stage = None
status = 'closed'
superseder = None
type = 'compile error'
url = 'https://bugs.python.org/issue4164'
versions = ['Python 2.6']

Activity

  1. cliffdover88 commented on Oct 21, 2008

    @cliffdover88
    cliffdover88mannequin
    on Oct 21, 2008
    MannequinAuthor

    Hi

    I have a problem with python 2.6, when i try to process strings with
    triple-quoted string literal i get an error:

    a='a''a' #1 double quoted Ok

a='a''''a' # 2 Ok

a= 'a''''''a' # 3 doble quoted -- SyntaxError: EOF while scanning
triple-quoted string literal

a= 'a''''''''a' # 4 ok

a='a''''''''''a' # 5 same error impair doble quoted

a='a''''''''''''a' # 6 Ok...............

    a... #7 error..................

  2. cliffdover88
    added
    stdlibStandard Library Python modules in the Lib/ directory
    buildThe build process and cross-build
    on Oct 21, 2008

  3. amauryfa commented on Oct 21, 2008

    @amauryfa
    amauryfa
    on Oct 21, 2008
    Contributor

    All your samples explain easily if you consider that two adjacent string
    literals are joined together. (You seem to consider that "double quote"
    is a way to insert a quote character. It's not; Python is not Pascal or
    SQL)

    Your first two examples become:
    a='a''a' two adjacent strings == 'aa'
    a='a''''a' three adjacent strings ('a' + '' + 'a') == 'aa'

    The third is an error:
    a='a''''''a' one string ('a') followed by the beginning of a "triple
    quoted string" (''') which content starts with the characters (''a') but
    does not have a matching (''') to finish the string, hence the Syntax
    error.

    ... and so on. Please have a look at http://docs.python.org/reference/lexical_analysis.html#string-literals

  4. amauryfa
    closed this as completedon Oct 21, 2008
  5. amauryfa
    added
    invalid
    on Oct 21, 2008
  6. ezio-melotti
    transferred this issue fromon Apr 10, 2022
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