概述
本教程操作环境：windows7系统、python3版、Dell G3电脑。
pip install 报错问题解决
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有时在用pip install命令安装python库时出现红字报错
1.报错：ReadTimeoutError: HTTPSConnectionPool(host=’pypi.python.org’, port=443): Read timed out.
Downloading xgboost-0.6a2.tar.gz (1.2MB)
48% |███████████████▋ | 583kB 47kB/s eta 0:00:13Exception:Traceback (most recent call last):
File "c:python27libsite-packagespipbasecommand.py", line 215, in main
status = self.run(options, args)
File "c:python27libsite-packagespipcommandsinstall.py", line 335, in run
wb.build(autobuilding=True)
File "c:python27libsite-packagespipwheel.py", line 749, in build
self.requirement_set.prepare_files(self.finder)
File "c:python27libsite-packagespipreqreq_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "c:python27libsite-packagespipreqreq_set.py", line 620, in _prepare_file
session=self.session, hashes=hashes)
File "c:python27libsite-packagespipdownload.py", line 821, in unpack_url
hashes=hashes
File "c:python27libsite-packagespipdownload.py", line 659, in unpack_http_url
hashes)
File "c:python27libsite-packagespipdownload.py", line 882, in _download_http_url
_download_url(resp, link, content_file, hashes)
File "c:python27libsite-packagespipdownload.py", line 603, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "c:python27libsite-packagespiputilshashes.py", line 46, in check_against_chunks
for chunk in chunks:
File "c:python27libsite-packagespipdownload.py", line 571, in written_chunks
for chunk in chunks:
File "c:python27libsite-packagespiputilsui.py", line 139, in iter
for x in it:
File "c:python27libsite-packagespipdownload.py", line 560, in resp_read
decode_content=False):
File "c:python27libsite-packagespip_vendorrequestspackagesurllib3response.py", line 357, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "c:python27libsite-packagespip_vendorrequestspackagesurllib3response.py", line 324, in read
flush_decoder = True
File "c:python27libcontextlib.py", line 35, in __exit__
self.gen.throw(type, value, traceback)
File "c:python27libsite-packagespip_vendorrequestspackagesurllib3response.py", line 246, in _error_catcher
raise ReadTimeoutError(self._pool, None, 'Read timed out.')
ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out.登录后复制错误原因：连不上pip的源，下载依赖包失败
解决(推荐)：在pip安装所在文件夹路径下，创造python文件(.py)
import os
ini="""[global]
index-url = https://pypi.doubanio.com/simple/
[install]
trusted-host=pypi.doubanio.com
""" pippath=os.environ["USERPROFILE"]+"\pip\" if not os.path.exists(pippath):
os.mkdir(pippath)
with open(pippath+"pip.ini","w+") as f:
f.write(ini)登录后复制在cmd上运行这个.py文件即可
之后再用pip install安装指令下载速度会非常快
2.报错：UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xd3 in position 7: ordinal not in range(128)
Exception:
Traceback (most recent call last):
File “c:python27libsite-packagespipbasecommand.py”, line 215, in main
status = self.run(options, args)
File “c:python27libsite-packagespipcommandsinstall.py”, line 324, in run
requirement_set.prepare_files(finder)
File “c:python27libsite-packagespipreqreq_set.py”, line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File “c:python27libsite-packagespipreqreq_set.py”, line 620, in _prepare_file
session=self.session, hashes=hashes)
File “c:python27libsite-packagespipdownload.py”, line 821, in unpack_url
hashes=hashes
File “c:python27libsite-packagespipdownload.py”, line 659, in unpack_http_url
hashes)
File “c:python27libsite-packagespipdownload.py”, line 880, in _download_http_url
file_path = os.path.join(temp_dir, filename)
File “c:python27libntpath.py”, line 85, in join
result_path = result_path + p_path
UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xd3 in position 7: ordinal not in range(128)
登录后复制报错原因：pip安装Python包会加载目录包含中文字符，ascii不能编码
解决：python目录 Python27Libsite-packages 建一个文件sitecustomize.py
import sys
sys.setdefaultencoding('gbk')登录后复制python会自动运行这个文件
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