import matplotlib.pyplot - fc-list掛起

我正在遇到與更新我的matplotlib版本import matplotlib.pyplot as plt時執行fc-list時掛起的import matplotlib.pyplot hangs中所述的相同問題。import matplotlib.pyplot - fc-list掛起

但是，the proposed solution不適用於我;在~/.matplotlib中運行fc-list需要100％的CPU，並且在15分鐘內沒有完成。

我有以下配置：

Mac上，運行OS 10.10.5（運行OS X Yosemite）
的Python 2.7.5
matplotlib 1.4.3（1.3.1是沒有問題該版本）

更新我matplotlib版本，我用：

sudo pip install matplotlib

如果我現在重新運行這個命令，我得到

Requirement already satisfied (use --upgrade to upgrade): matplotlib in /Library/Python/2.7/site-packages 
Requirement already satisfied (use --upgrade to upgrade): numpy>=1.6 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): pytz in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): pyparsing!=2.0.0,>=1.5.6 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): python-dateutil in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): nose>=0.11.1 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): six>=1.4 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): mock in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): funcsigs in /Library/Python/2.7/site-packages (from mock->matplotlib) 
Requirement already satisfied (use --upgrade to upgrade): pbr>=0.11 in /Library/Python/2.7/site-packages (from mock->matplotlib)

和sudo pip install --upgrade matplotlib：

Requirement already up-to-date: matplotlib in /Library/Python/2.7/site-packages 
Requirement already up-to-date: numpy>=1.6 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: pytz in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: pyparsing!=2.0.0,>=1.5.6 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: python-dateutil in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: nose>=0.11.1 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: six>=1.4 in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: mock in /Library/Python/2.7/site-packages (from matplotlib) 
Requirement already up-to-date: funcsigs in /Library/Python/2.7/site-packages (from mock->matplotlib) 
Requirement already up-to-date: pbr>=0.11 in /Library/Python/2.7/site-packages (from mock->matplotlib)

我有一個fontList.cache文件中~/.matplotlib。這個文件是舊的（可追溯到2013年，因此比此更新版本舊）。

問題：

儘管fontList.cache文件，我應該運行fc-list，期待它在某個時候完成？
matplotlib是否希望在不同位置找到fontList.cache文件？也許我的matplotlib的安裝/更新搞砸了一些路徑 - 但：matplotlib.get_cachedir()返回/Users/MyName/.matplotlib
文件名已更改？我應該重命名fontList.cache？
我沒有/usr/X11/lin目錄了。但是，fc-list仍然可以進入無限循環as suggested？

來源

2015-10-17 Schorsch

考慮到我無法再現自己的問題，如果我們覺得Q/A對在這裏不會對未來用戶有所幫助，那麼我將它留給社區給VtC。 – Schorsch

發佈問題後，我無法重現問題。

我懷疑是（重新）運行

sudo pip install matplotlib

和/或

sudo pip install --upgrade matplotlib

而寫的問題（捕捉屏幕上的輸出）固定先前存在的問題。

fc-list現在在2分鐘內完成;儘管它沒有創建新的fontList.cache文件。

我現在可以像以前一樣調用import matplotlib.pyplot as plt。

來源

2015-10-17 17:21:26 Schorsch

我也遇到了這個問題，但只是等待導致程序最終終止。然後在第二次執行中它很快就起作用了。我認爲這是建立一種只需要做一次的字體緩存。 –

import matplotlib.pyplot - fc-list掛起

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