Closed
Description
Bug report
Bug summary
I can find font_manager.py in my folder, but it cannot recognise that
Code for reproduction
import matplotlib
Actual outcome
# If applicable, paste the console output here
#
#
---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in <module>()
1352 try:
-> 1353 fontManager = json_load(_fmcache)
1354 if (not hasattr(fontManager, '_version') or
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in json_load(filename)
887 """
--> 888 with open(filename, 'r') as fh:
889 return json.load(fh, object_hook=_json_decode)
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\victor\\.matplotlib\\fontlist-v300.json'
During handling of the above exception, another exception occurred:
TypeError Traceback (most recent call last)
<ipython-input-1-5c78ffaa5488> in <module>()
----> 1 get_ipython().run_line_magic('matplotlib', 'inline')
2 import pandas as pd
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\IPython\core\interactiveshell.py in run_line_magic(self, magic_name, line, _stack_depth)
2129 kwargs['local_ns'] = sys._getframe(stack_depth).f_locals
2130 with self.builtin_trap:
-> 2131 result = fn(*args,**kwargs)
2132 return result
2133
<decorator-gen-108> in matplotlib(self, line)
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\IPython\core\magic.py in <lambda>(f, *a, **k)
185 # but it's overkill for just that one bit of state.
186 def magic_deco(arg):
--> 187 call = lambda f, *a, **k: f(*a, **k)
188
189 if callable(arg):
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\IPython\core\magics\pylab.py in matplotlib(self, line)
97 print("Available matplotlib backends: %s" % backends_list)
98 else:
---> 99 gui, backend = self.shell.enable_matplotlib(args.gui)
100 self._show_matplotlib_backend(args.gui, backend)
101
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\IPython\core\interactiveshell.py in enable_matplotlib(self, gui)
3047 gui, backend = pt.find_gui_and_backend(self.pylab_gui_select)
3048
-> 3049 pt.activate_matplotlib(backend)
3050 pt.configure_inline_support(self, backend)
3051
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\IPython\core\pylabtools.py in activate_matplotlib(backend)
308 matplotlib.rcParams['backend'] = backend
309
--> 310 import matplotlib.pyplot
311 matplotlib.pyplot.switch_backend(backend)
312
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\pyplot.py in <module>()
30 from cycler import cycler
31 import matplotlib
---> 32 import matplotlib.colorbar
33 import matplotlib.image
34 from matplotlib import rcsetup, style
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\colorbar.py in <module>()
30 import matplotlib.collections as collections
31 import matplotlib.colors as colors
---> 32 import matplotlib.contour as contour
33 import matplotlib.cm as cm
34 import matplotlib.gridspec as gridspec
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\contour.py in <module>()
16 import matplotlib.colors as mcolors
17 import matplotlib.collections as mcoll
---> 18 import matplotlib.font_manager as font_manager
19 import matplotlib.text as text
20 import matplotlib.cbook as cbook
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in <module>()
1361 raise
1362 except Exception:
-> 1363 _rebuild()
1364 else:
1365 _rebuild()
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in _rebuild()
1342 global fontManager
1343
-> 1344 fontManager = FontManager()
1345
1346 if _fmcache:
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in __init__(self, size, weight)
976 self.defaultFont = {}
977
--> 978 ttffiles = findSystemFonts(paths) + findSystemFonts()
979 self.defaultFont['ttf'] = next(
980 (fname for fname in ttffiles
c:\users\victor\appdata\local\programs\python\python35\lib\site-packages\matplotlib\font_manager.py in findSystemFonts(fontpaths, fontext)
262 fontpaths = [win32FontDirectory()]
263 # now get all installed fonts directly...
--> 264 fontfiles.update(win32InstalledFonts(fontext=fontext))
265 else:
266 fontpaths = X11FontDirectories
TypeError: 'NoneType' object is not iterable
Expected outcome
Matplotlib version
- Operating system: Win10
- Matplotlib version: 3.0.0
- Matplotlib backend (
print(matplotlib.get_backend())): - Python version: 3.5
- Jupyter version (if applicable):
- Other libraries: