ProxyError During en_core_web_sm Model Download: Connection Failure and Retry Exhaustion in AllenNLP Initialization

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Error message（Python 3.7.16）：

Initialising AllenNLP model .. Collecting en_core_web_sm==2.1.0
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz
Initialising AllenNLP model ... WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz
Initialising AllenNLP model .. WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz
Initialising AllenNLP model ... WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz
Initialising AllenNLP model WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', OSError(0, 'Error'))': /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz
ERROR: Could not install packages due to an OSError: HTTPSConnectionPool(host='github.com', port=443): Max retries exceeded with url: /explosion/spacy-models/releases/download/en_core_web_sm-2.1.0/en_core_web_sm-2.1.0.tar.gz (Caused by ProxyError('Cannot connect to proxy.', OSError(0, 'Error')))

WARNING: There was an error checking the latest version of pip.

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Manual installation of the compressed package of Spacy's model files

1. Download en_core_web_sm==2.1.0

File directory:

.
└─en_core_web_sm-2.1.0
    │  MANIFEST.in
    │  meta.json
    │  PKG-INFO
    │  setup.cfg
    │  setup.py
    │  
    ├─en_core_web_sm      <----------  This folder
    │  │  meta.json
    │  │  __init__.py
    │  │  
    │  └─en_core_web_sm-2.1.0
    │      │  accuracy.json
    │      │  meta.json
    │      │  tokenizer
    │      │  
    │      ├─ner
    │      │      cfg
    │      │      model
    │      │      moves
    │      │      
    │      ├─parser
    │      │      cfg
    │      │      model
    │      │      moves
    │      │      
    │      ├─tagger
    │      │      cfg
    │      │      model
    │      │      tag_map
    │      │      
    │      └─vocab
    │              key2row
    │              lexemes.bin
    │              strings.json
    │              vectors
    │              
    └─en_core_web_sm.egg-info
            dependency_links.txt
            not-zip-safe
            PKG-INFO
            requires.txt
            SOURCES.txt
            top_level.txt

2. After downloading, extract the word files folder named "en_core_web_sm" (note the folder name, as shown in the above) from the compressed package to the "data" directory of the python interpreter spacy package.

  ...\Lib\site-packages\spacy\
  ......
  │
  ├─data
  │  │  __init__.py
  │  │
  │  ├─en_core_web_sm     <----------  Put it here
  │  │  │  meta.json
  │  │  │  __init__.py
  │  │  │
  │  │  ├─en_core_web_sm-2.1.0
  │  │  │  │  accuracy.json
  │  │  │  │  meta.json
  │  │  │  │  tokenizer
  │  │  │  │
  │  │  │  ├─ner
  │  │  │  │      cfg
  │  │  │  │      model
  │  │  │  │      moves
  │  │  │  │
  │  │  │  ├─parser
  │  │  │  │      cfg
  │  │  │  │      model
  │  │  │  │      moves
  │  │  │  │
  │  │  │  ├─tagger
  │  │  │  │      cfg
  │  │  │  │      model
  │  │  │  │      tag_map
  │  │  │  │
  │  │  │  └─vocab
  │  │  │          key2row
  │  │  │          lexemes.bin
  │  │  │          strings.json
  │  │  │          vectors
  ......