獲取不安全鹹菜串ggplot

Question

我試圖使用ggplot的Python IPython的筆記本內部組件，但在運行時from ggplot import *出現以下錯誤：

--------------------------------------------------------------------------- 
ValueError        Traceback (most recent call last) 
<ipython-input-22-2199c088d178> in <module>() 
     2 import numpy as np 
     3 import dateutil 
----> 4 from ggplot import * 

~/ipython-venv/lib/python2.7/site-packages/ggplot/__init__.py in <module>() 
    19 __version__ = '0.6.8' 
    20 
---> 21 from .qplot import qplot 
    22 from .ggplot import ggplot 
    23 from .components import aes 

~/ipython-venv/lib/python2.7/site-packages/ggplot/qplot.py in <module>() 
     3 
     4 import ggplot 
----> 5 from .components import aes 
     6 from .geoms import geom_point, geom_bar, geom_boxplot, geom_histogram, geom_line 
     7 from .geoms.chart_components import xlab as xlabel 

~/ipython-venv/lib/python2.7/site-packages/ggplot/components/__init__.py in <module>() 
     2       unicode_literals) 
     3 from .aes import aes 
----> 4 from . import colors, shapes, size, linetypes, alphas 
     5 
     6 

~/ipython-venv/lib/python2.7/site-packages/ggplot/components/colors.py in <module>() 
     4 import numpy as np 
     5 from matplotlib.colors import rgb2hex 
----> 6 from ..utils.color import ColorHCL 
     7 from .legend import get_labels 
     8 from copy import deepcopy 

~/ipython-venv/lib/python2.7/site-packages/ggplot/utils/__init__.py in <module>() 
     2       unicode_literals) 
     3 
----> 4 from .ggutils import ggsave, add_ggplotrc_params 
     5 from .date_breaks import date_breaks 
     6 from .date_format import date_format 

~/ipython-venv/lib/python2.7/site-packages/ggplot/utils/ggutils.py in <module>() 
     4       unicode_literals) 
     5 
----> 6 import matplotlib.pyplot as plt 
     7 import json 
     8 import os 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/pyplot.py in <module>() 
    27 from cycler import cycler 
    28 import matplotlib 
---> 29 import matplotlib.colorbar 
    30 from matplotlib import style 
    31 from matplotlib import _pylab_helpers, interactive 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/colorbar.py in <module>() 
    32 import matplotlib.artist as martist 
    33 import matplotlib.cbook as cbook 
---> 34 import matplotlib.collections as collections 
    35 import matplotlib.colors as colors 
    36 import matplotlib.contour as contour 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/collections.py in <module>() 
    25 import matplotlib.artist as artist 
    26 from matplotlib.artist import allow_rasterization 
---> 27 import matplotlib.backend_bases as backend_bases 
    28 import matplotlib.path as mpath 
    29 from matplotlib import _path 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/backend_bases.py in <module>() 
    60 
    61 import matplotlib.tight_bbox as tight_bbox 
---> 62 import matplotlib.textpath as textpath 
    63 from matplotlib.path import Path 
    64 from matplotlib.cbook import mplDeprecation, warn_deprecated 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/textpath.py in <module>() 
    13 from matplotlib.path import Path 
    14 from matplotlib import rcParams 
---> 15 import matplotlib.font_manager as font_manager 
    16 from matplotlib.ft2font import FT2Font, KERNING_DEFAULT, LOAD_NO_HINTING 
    17 from matplotlib.ft2font import LOAD_TARGET_LIGHT 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/font_manager.py in <module>() 
    1419     verbose.report("Using fontManager instance from %s" % _fmcache) 
    1420   except: 
-> 1421    _rebuild() 
    1422  else: 
    1423   _rebuild() 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/font_manager.py in _rebuild() 
    1404  def _rebuild(): 
    1405   global fontManager 
-> 1406   fontManager = FontManager() 
    1407   if _fmcache: 
    1408    pickle_dump(fontManager, _fmcache) 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/font_manager.py in __init__(self, size, weight) 
    1042   # Load TrueType fonts and create font dictionary. 
    1043 
-> 1044   self.ttffiles = findSystemFonts(paths) + findSystemFonts() 
    1045   self.defaultFamily = { 
    1046    'ttf': 'Bitstream Vera Sans', 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/font_manager.py in findSystemFonts(fontpaths, fontext) 
    322      fontfiles[f] = 1 
    323 
--> 324    for f in get_fontconfig_fonts(fontext): 
    325     fontfiles[f] = 1 
    326 

~/ipython-venv/lib/python2.7/site-packages/matplotlib/font_manager.py in get_fontconfig_fonts(fontext) 
    274   pipe = subprocess.Popen(['fc-list', '--format=%{file}\\n'], 
    275         stdout=subprocess.PIPE, 
--> 276         stderr=subprocess.PIPE) 
    277   output = pipe.communicate()[0] 
    278  except (OSError, IOError): 

/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.pyc in __init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags) 
    708         p2cread, p2cwrite, 
    709         c2pread, c2pwrite, 
--> 710         errread, errwrite) 
    711   except Exception: 
    712    # Preserve original exception in case os.close raises. 

/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.pyc in _execute_child(self, args, executable, preexec_fn, close_fds, cwd, env, universal_newlines, startupinfo, creationflags, shell, to_close, p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite) 
    1332      if e.errno != errno.ECHILD: 
    1333       raise 
-> 1334     child_exception = pickle.loads(data) 
    1335     raise child_exception 
    1336 

/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in loads(str) 
    1386 def loads(str): 
    1387  file = StringIO(str) 
-> 1388  return Unpickler(file).load() 
    1389 
    1390 # Doctest 

/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in load(self) 
    862    while 1: 
    863     key = read(1) 
--> 864     dispatch[key](self) 
    865   except _Stop, stopinst: 
    866    return stopinst.value 

/usr/local/Cellar/python/2.7.11/Frameworks/Python.framework/Versions/2.7/lib/python2.7/pickle.pyc in load_string(self) 
    970    if rep.startswith(q): 
    971     if len(rep) < 2 or not rep.endswith(q): 
--> 972      raise ValueError, "insecure string pickle" 
    973     rep = rep[len(q):-len(q)] 
    974     break 

ValueError: insecure string pickle 

運行的環境是在OS-X埃爾卡皮坦蟒2.X是通過自制安裝，並且下面的庫安裝：

（IPython的-VENV）➜〜PIP列表appnope（0.1.0）backports中-ABC（0.4） backports.ssl-匹配 - 主機名（3.5.0.1）beautifulsoup4（4.4.1） brewer2 mpl（1.4.1）certifi（2015.11.20.1）cycler（0.9.0）decorator （4.0.6）functools32（3.2.3.post2）ggplot（0.6.8）gnureadline（6.3.3） ipykernel（4.2。 2）ipython（4.0.3）ipython-genutils（0.1.0）Jinja2 （2.8）jsonschema（2.5.1）jupyter-client（4.1.1）jupyter-core（4.0.6） MarkupSafe（0.23）matplotlib 1.5.1）機械化（0.2.5）亂調（0.7.1） nbconvert（4.1.0）nbformat（4.0.1）筆記本（4.1.0）numpy（1.10.4） 熊貓（0.17.1）路徑。 python（2.1.2）patsy（0.4.1）pexpect（4.0.1） pickleshare（0.6）pip（8.0.2）ptyprocess（0.5）Pygments（2.1） pyparsing（2.1.0）python-dateutil（2.4。 2）pytz（2015.7）pyzmq（15.2.0） scipy（0.17.0）硒（2.50.0）setuptools（15.0）simplegeneric （0.8.1）singledisp ATCH（3.4.0.3）六（1.10.0）statsmodels（0.6.1） termcolor（1.1.0）terminado（0.6）龍捲風（4.3）traitlets（4.1.0）

Answer 1

這已經在這裏討論：github.com/matplotlib/matplotlib/pull/5640。

它可能是一個權限問題 - matplotlib不應該每次

的建議有刪除的~/.cache/matplotlib內容，並嘗試再次構建緩存。