点错误:应升级点， pandas 和matplotlib，但返回错误 [英] Pip error:should upgrade pip, pandas and matplotlib but returns error
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问题描述
我必须卸载Python 3.6.1并安装3.5.0，因为这是唯一适用于TensorFlow的版本.我正确地更改了路径，并且在成功安装第一个软件包(numpy)之后，出现了此错误(前两行).我试图按照它说的做，并且发生错误(如下)，并且还尝试安装pandas和numpy(abowe):
I had to uninstall Python 3.6.1 and install 3.5.0 because this is the only version suitable for TensorFlow. I changed my path correctly and after I installed first package (numpy) successfuly this error came up (first two lines). I tried to do as it said and error occurred(below) and also tried to install pandas and numpy(abowe):
C:\Users>pip3 install pandas matplotlib
Collecting pandas
Using cached pandas-0.20.3.tar.gz
Collecting matplotlib
Using cached matplotlib-2.0.2.tar.gz
Complete output from command python setup.py egg_info:
============================================================================
Edit setup.cfg to change the build options
BUILDING MATPLOTLIB
matplotlib: yes [2.0.2]
python: yes [3.5.0 (v3.5.0:374f501f4567, Sep 13 2015,
02:27:37) [MSC v.1900 64 bit (AMD64)]]
platform: yes [win32]
REQUIRED DEPENDENCIES AND EXTENSIONS
numpy: yes [version 1.13.1]
six: yes [using six version 1.10.0]
dateutil: yes [using dateutil version 2.6.1]
functools32: yes [Not required]
subprocess32: yes [Not required]
pytz: yes [using pytz version 2017.2]
cycler: yes [cycler was not found. pip will attempt to
install it after matplotlib.]
tornado: yes [tornado was not found. It is required for the
WebAgg backend. pip/easy_install may attempt to
install it after matplotlib.]
pyparsing: yes [pyparsing was not found. It is required for
mathtext support. pip/easy_install may attempt to
install it after matplotlib.]
libagg: yes [pkg-config information for 'libagg' could not
be found. Using local copy.]
freetype: no [The C/C++ header for freetype (ft2build.h)
could not be found. You may need to install the
development package.]
png: no [The C/C++ header for png (png.h) could not be
found. You may need to install the development
package.]
qhull: yes [pkg-config information for 'qhull' could not be
found. Using local copy.]
OPTIONAL SUBPACKAGES
sample_data: yes [installing]
toolkits: yes [installing]
tests: no [skipping due to configuration]
toolkits_tests: no [skipping due to configuration]
OPTIONAL BACKEND EXTENSIONS
macosx: no [Mac OS-X only]
qt5agg: no [PyQt5 not found]
qt4agg: no [PySide not found; PyQt4 not found]
gtk3agg: no [Requires pygobject to be installed.]
gtk3cairo: no [Requires cairocffi or pycairo to be installed.]
gtkagg: no [Requires pygtk]
tkagg: yes [installing; run-time loading from Python Tcl /
Tk]
wxagg: no [requires wxPython]
gtk: no [Requires pygtk]
agg: yes [installing]
cairo: no [cairocffi or pycairo not found]
windowing: yes [installing]
OPTIONAL LATEX DEPENDENCIES
dvipng: no
ghostscript: no
latex: no
pdftops: no
OPTIONAL PACKAGE DATA
dlls: no [skipping due to configuration]
============================================================================
* The following required packages can not be built:
* freetype, png
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in
C:\Users\Ap
pData\Local\Temp\pip-build-qdqqojgq\matplotlib
更新点:
C:\windows\system32>python -m pip install --upgrade pip
Collecting pip
Using cached pip-9.0.1-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 7.1.2
Exception:
Traceback (most recent call last):
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\basecommand.py", line 211, in main
status = self.run(options, args)
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\commands\install.py", line 311, in run
root=options.root_path,
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\req\req_set.py", line 640, in install
requirement.uninstall(auto_confirm=True)
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\req\req_install.py", line 673, in uninstall
for path in pip.wheel.uninstallation_paths(dist):
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\wheel.py", line 512, in unique
for item in fn(*args, **kw):
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\wheel.py", line 531, in uninstallation_paths
r = csv.reader(FakeFile(dist.get_metadata_lines('RECORD')))
File "C:\Users\Uroš\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\_vendor\pkg_resources\__init__.py", line 1619, in get_metadata_lines
return yield_lines(self.get_metadata(name))
File "C:\Users\AppData\Local\Programs\Python\Python35\lib\site-
packages\p
ip\_vendor\pkg_resources\__init__.py", line 1616, in get_metadata
return self._get(self._fn(self.egg_info, name)).decode("utf-8")
UnicodeDecodeError: 'utf-8' codec can't decode byte 0x9a in position 22368:
inva
lid start byte
You are using pip version 7.1.2, however version 9.0.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip'
comm
and.
我尝试下载轮，然后安装它:
I tried to download wheel and then install it:
C:\Users\Downloads>pip install matplotlib-2.0.2-cp36-cp36m-win32.whl
matplotlib-2.0.2-cp36-cp36m-win32.whl is not a supported wheel on this
platform.
也尝试了64 bt版本，同一个故事.
Tried also with 64 bt version, same story.
任何想法该怎么办，这甚至意味着什么?
Any ideas what to do, what does it even mean?
推荐答案
尝试:pip3 install pandas matplotlib，不带逗号.我相信错误是，如果您有空格以外的其他东西，则pip正在寻找特定版本.
try: pip3 install pandas matplotlib without the comma. I believe that the error is that if you have something other than a space, pip is looking for a specific version.
请参阅: 如何使用pip一次安装多个python包
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