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8.3. collections — Container datatypes #76163

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8.3. collections — Container datatypes#76163
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rhettinger
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docsDocumentation in the Doc dir

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@catchmonster
catchmonster
mannequin
opened on Nov 8, 2017
BPO 31982
Nosy @rhettinger, @csabella, @catchmonster, @miss-islington
PRs
  • bpo-31982: Improve sequence of presentation in ChainMap docs #11960
  • [3.7] bpo-31982: Improve sequence of presentation in ChainMap docs (GH-11960) #11961
    		•

    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 = 'https://github.com/rhettinger'
closed_at = <Date 2019-02-20.22:25:43.592>
created_at = <Date 2017-11-08.16:10:51.930>
labels = ['docs']
title = '8.3. collections \xe2\x80\x94 Container datatypes'
updated_at = <Date 2019-02-20.22:25:43.592>
user = 'https://github.com/catchmonster'

    bugs.python.org fields:

    activity = <Date 2019-02-20.22:25:43.592>
actor = 'rhettinger'
assignee = 'rhettinger'
closed = True
closed_date = <Date 2019-02-20.22:25:43.592>
closer = 'rhettinger'
components = ['Documentation']
creation = <Date 2017-11-08.16:10:51.930>
creator = 'Sasha Kacanski'
dependencies = []
files = []
hgrepos = []
issue_num = 31982
keywords = ['patch']
message_count = 6.0
messages = ['305876', '305903', '305905', '334307', '336152', '336153']
nosy_count = 5.0
nosy_names = ['rhettinger', 'docs@python', 'cheryl.sabella', 'Sasha Kacanski', 'miss-islington']
pr_nums = ['11960', '11961']
priority = 'low'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue31982'
versions = ['Python 3.6']

    Activity

    1. catchmonster commented on Nov 8, 2017

      @catchmonster
      catchmonstermannequin
      on Nov 8, 2017
      MannequinAuthor

      Hi,
      In ChainMap example
      c = ChainMap() # Create root context
      d = c.new_child() # Create nested child context
      e = c.new_child() # Child of c, independent from d
      e.maps[0] # Current context dictionary -- like Python's locals()
      e.maps[-1] # Root context -- like Python's globals()
      e.parents # Enclosing context chain -- like Python's nonlocals

      d['x'] # Get first key in the chain of contexts
      d['x'] = 1 # Set value in current context

      d['x'] - will raise key does not exist error

      so simple fix is to flip last two lines...

      I know, possibly anal but look love Python and would like to help new folks to not get confused if they play with example in cPython shell...

      --best

    2. catchmonster
      assigned
      docspython
      on Nov 8, 2017
    3. catchmonster
      added
      docsDocumentation in the Doc dir
      on Nov 8, 2017

    4. rhettinger commented on Nov 8, 2017

      @rhettinger
      rhettinger
      on Nov 8, 2017
      Contributor

      I will flip the two because there is not downside. However, the table of wasn't intended to be a sequential example (that's why there is no data or display of result). Instead, it was just meant to be table of typing-this-does-that.

    5. rhettinger
      assigned
      rhettinger
      and unassigned
      docspython
      on Nov 8, 2017

    6. catchmonster commented on Nov 8, 2017

      @catchmonster
      catchmonstermannequin
      on Nov 8, 2017
      MannequinAuthor

      Agree, and I know.

      On Nov 8, 2017 3:41 PM, "Raymond Hettinger" <[email protected]> wrote:

      Raymond Hettinger <[email protected]> added the comment:

      I will flip the two because there is not downside. However, the table of
      wasn't intended to be a sequential example (that's why there is no data or
      display of result). Instead, it was just meant to be table of
      typing-this-does-that.

      ----------
      assignee: docs@python -> rhettinger
      nosy: +rhettinger
      priority: normal -> low

      Python tracker <[email protected]>
      <https://bugs.python.org/issue31982\>

    7. csabella commented on Jan 24, 2019

      @csabella
      csabella
      on Jan 24, 2019
      Contributor

      This is a duplicate of bpo-31075, which was closed as 'Not a bug'.

    8. miss-islington commented on Feb 20, 2019

      @miss-islington
      miss-islington
      on Feb 20, 2019
      Contributor

      New changeset 9b0c681 by Miss Islington (bot) (Raymond Hettinger) in branch 'master':
      bpo-31982: Improve sequence of presentation in ChainMap docs (GH-11960)
      9b0c681

    9. rhettinger commented on Feb 20, 2019

      @rhettinger
      rhettinger
      on Feb 20, 2019
      Contributor

      New changeset 14baf06 by Raymond Hettinger (Miss Islington (bot)) in branch '3.7':
      bpo-31982: Improve sequence of presentation in ChainMap docs (GH-11960) (GH-11961)
      14baf06

    10. rhettinger
      closed this as completedon Feb 20, 2019
    11. ezio-melotti
      transferred this issue fromon Apr 10, 2022
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