Mac-Mini:~ BBT$ pip3 install matplotlib
Collecting matplotlib
Downloading matplotlib-2.1.0-cp36-cp36m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (13.2MB)
0% | | 20kB 9.5kB/s eta 0:23:07Exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 232, in _error_catcher
yield
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 314, in read
data = self._fp.read(amt)
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 60, in read
data = self.__fp.read(amt)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 449, in read
n = self.readinto(b)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/http/client.py", line 493, in readinto
n = self.fp.readinto(b)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/socket.py", line 586, in readinto
return self._sock.recv_into(b)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/ssl.py", line 1009, in recv_into
return self.read(nbytes, buffer)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/ssl.py", line 871, in read
return self._sslobj.read(len, buffer)
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/ssl.py", line 631, in read
v = self._sslobj.read(len, buffer)
socket.timeout: The read operation timed out
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/local/lib/python3.6/site-packages/pip/commands/install.py", line 335, in run
wb.build(autobuilding=True)
File "/usr/local/lib/python3.6/site-packages/pip/wheel.py", line 749, in build
self.requirement_set.prepare_files(self.finder)
File "/usr/local/lib/python3.6/site-packages/pip/req/req_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "/usr/local/lib/python3.6/site-packages/pip/req/req_set.py", line 620, in _prepare_file
session=self.session, hashes=hashes)
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 821, in unpack_url
hashes=hashes
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 659, in unpack_http_url
hashes)
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 882, in _download_http_url
_download_url(resp, link, content_file, hashes)
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 603, in _download_url
hashes.check_against_chunks(downloaded_chunks)
File "/usr/local/lib/python3.6/site-packages/pip/utils/hashes.py", line 46, in check_against_chunks
for chunk in chunks:
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 571, in written_chunks
for chunk in chunks:
File "/usr/local/lib/python3.6/site-packages/pip/utils/ui.py", line 139, in iter
for x in it:
File "/usr/local/lib/python3.6/site-packages/pip/download.py", line 560, in resp_read
decode_content=False):
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 357, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 324, in read
flush_decoder = True
File "/usr/local/Cellar/python3/3.6.3/Frameworks/Python.framework/Versions/3.6/lib/python3.6/contextlib.py", line 99, in __exit__
self.gen.throw(type, value, traceback)
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/requests/packages/urllib3/response.py", line 237, in _error_catcher
raise ReadTimeoutError(self._pool, None, 'Read timed out.')
pip._vendor.requests.packages.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out.
Mac-Mini:~ BBT$ pip3 --default -timeout=100 install -U pip3
Usage:
pip <command> [options]
ambiguous option: --default (--default-timeout, --default-vcs?)
Mac-Mini:~ BBT$ pip3 --default-timeout=100 install -U pip3
Collecting pip3
Could not find a version that satisfies the requirement pip3 (from versions: )
No matching distribution found for pip3
Mac-Mini:~ BBT$ pip3 install -U --timeout 1000 matplotlib
出现上述问题，主要是请求网络超时，这由于是国内的源的问题。所以解决这问题有两个方案：
1.换源，这个我没有尝试过，但是网上的教程也是挺多的；
2.设置pip3获取第三方库的请求超时时间。pip3 install -U --timeout 1000 matplotlib