下载pandas出错的解决方案

2023-07-21 13:41| 来源: 网络整理| 查看: 265

最近在学习基于python的数据分析，会使用pandas模块，但是在使用pip安装pandas的时候，老是碰到以以下错误

C:\Users\fr>pip install pandas Collecting pandas Downloading pandas-1.1.0-cp37-cp37m-win_amd64.whl (9.4 MB) |█████████████ | 3.8 MB 11 kB/s eta 0:08:24ERROR: Exception: Traceback (most recent call last): File "d:\tools\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 425, in _error_catcher yield File "d:\tools\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 507, in read data = self._fp.read(amt) if not fp_closed else b"" File "d:\tools\python\python37\lib\site-packages\pip\_vendor\cachecontrol\filewrapper.py", line 62, in read data = self.__fp.read(amt) File "d:\tools\python\python37\lib\http\client.py", line 457, in read n = self.readinto(b) File "d:\tools\python\python37\lib\http\client.py", line 501, in readinto n = self.fp.readinto(b) File "d:\tools\python\python37\lib\socket.py", line 589, in readinto return self._sock.recv_into(b) File "d:\tools\python\python37\lib\ssl.py", line 1071, in recv_into return self.read(nbytes, buffer) File "d:\tools\python\python37\lib\ssl.py", line 929, in read return 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 "d:\tools\python\python37\lib\site-packages\pip\_internal\cli\base_command.py", line 188, in _main status = self.run(options, args) File "d:\tools\python\python37\lib\site-packages\pip\_internal\cli\req_command.py", line 185, in wrapper return func(self, options, args) File "d:\tools\python\python37\lib\site-packages\pip\_internal\commands\install.py", line 333, in run reqs, check_supported_wheels=not options.target_dir File "d:\tools\python\python37\lib\site-packages\pip\_internal\resolution\legacy\resolver.py", line 179, in resolve discovered_reqs.extend(self._resolve_one(requirement_set, req)) File "d:\tools\python\python37\lib\site-packages\pip\_internal\resolution\legacy\resolver.py", line 362, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "d:\tools\python\python37\lib\site-packages\pip\_internal\resolution\legacy\resolver.py", line 314, in _get_abstract_dist_for abstract_dist = self.preparer.prepare_linked_requirement(req) File "d:\tools\python\python37\lib\site-packages\pip\_internal\operations\prepare.py", line 469, in prepare_linked_requirement hashes=hashes, File "d:\tools\python\python37\lib\site-packages\pip\_internal\operations\prepare.py", line 259, in unpack_url hashes=hashes, File "d:\tools\python\python37\lib\site-packages\pip\_internal\operations\prepare.py", line 130, in get_http_url link, downloader, temp_dir.path, hashes File "d:\tools\python\python37\lib\site-packages\pip\_internal\operations\prepare.py", line 281, in _download_http_url for chunk in download.chunks: File "d:\tools\python\python37\lib\site-packages\pip\_internal\cli\progress_bars.py", line 166, in iter for x in it: File "d:\tools\python\python37\lib\site-packages\pip\_internal\network\utils.py", line 39, in response_chunks decode_content=False, File "d:\tools\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 564, in stream data = self.read(amt=amt, decode_content=decode_content) File "d:\tools\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 529, in read raise IncompleteRead(self._fp_bytes_read, self.length_remaining) File "d:\tools\python\python37\lib\contextlib.py", line 130, in __exit__ self.gen.throw(type, value, traceback) File "d:\tools\python\python37\lib\site-packages\pip\_vendor\urllib3\response.py", line 430, in _error_catcher raise ReadTimeoutError(self._pool, None, "Read timed out.") pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

以上的错误发生，其实是由于超时引起的。其问题的根源在于网络，当然网络的问题可能不是能解决了的。那该怎么做呢，其实解决的方案也比较简单就是我们在使用pip下载资源包的时候，通过指定超时的限定，这里我设置–default-timeout=1000，也就是延长超时时间来解决。具体操作如下：

C:\Users\fr>pip --default-timeout=1000 install -U pandas Collecting pandas Downloading pandas-1.1.0-cp37-cp37m-win_amd64.whl (9.4 MB) |████████████████████████████████| 9.4 MB 10.0 kB/s Collecting pytz>=2017.2 Downloading pytz-2020.1-py2.py3-none-any.whl (510 kB) |████████████████████████████████| 510 kB 11 kB/s Collecting numpy>=1.15.4 Downloading numpy-1.19.1-cp37-cp37m-win_amd64.whl (12.9 MB) |████████████████████████████████| 12.9 MB 16 kB/s Collecting python-dateutil>=2.7.3 Downloading python_dateutil-2.8.1-py2.py3-none-any.whl (227 kB) |████████████████████████████████| 227 kB 12 kB/s Requirement already satisfied, skipping upgrade: six>=1.5 in d:\tools\python\python37\lib\site-packages (from python-dateutil>=2.7.3->pandas) (1.14.0) Installing collected packages: pytz, numpy, python-dateutil, pandas Successfully installed numpy-1.19.1 pandas-1.1.0 python-dateutil-2.8.1 pytz-2020.1

希望，我的一点点经验能够帮助到你！！

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