# 使用matplotlib时fontList.py3k.cache not found问题解决
使用matplotlib时fontList.py3k.cache not found问题解决
runfile('E:/rqalpha-master/tests/run_func_test.py', wdir='E:/rqalpha-master/tests')
[2018-07-30 15:43:05.087574] DEBUG: basic_system_log:
{'base': {'accounts': {'STOCK': 100000.0},
'benchmark': '000300.XSHG',
'data_bundle_path': 'C:\\Users\\win10/.rqalpha\\bundle',
'end_date': datetime.date(2016, 12, 1),
'frequency': '1d',
'init_positions': [],
'margin_multiplier': 1,
'persist': False,
'persist_mode': PERSIST_MODE.REAL_TIME,
'resume_mode': False,
'round_price': False,
'run_type': RUN_TYPE.BACKTEST,
'source_code': None,
'start_date': datetime.date(2016, 6, 1),
'strategy_file': 'strategy.py'},
'extra': {'context_vars': None,
'enable_profiler': False,
'force_run_init_when_pt_resume': False,
'is_hold': False,
'locale': 'zh_Hans_CN',
'log_level': 'verbose',
'logger': [],
'user_log_disabled': False,
'user_system_log_disabled': False},
'mod': {'sys_accounts': {'enabled': True},
'sys_analyser': {'enabled': True, 'plot': True},
'sys_booking': {'enabled': False},
'sys_funcat': {'enabled': False},
'sys_incremental': {'enabled': False},
'sys_progress': {'enabled': True},
'sys_risk': {'enabled': True},
'sys_simulation': {'enabled': True},
'sys_stock_realtime': {'enabled': False}},
'validator': {'close_amount': True},
'version': '0.1.6',
'whitelist': ['base', 'extra', 'validator', 'mod']}
[2018-07-30 15:43:05.095064] DEBUG: system_log: 载入 Mod rqalpha.mod.rqalpha_mod_sys_simulation
[2018-07-30 15:43:05.100077] DEBUG: system_log: 载入 Mod rqalpha.mod.rqalpha_mod_sys_progress
[2018-07-30 15:43:05.105617] DEBUG: system_log: 载入 Mod rqalpha.mod.rqalpha_mod_sys_accounts
[2018-07-30 15:43:05.111107] DEBUG: system_log: 载入 Mod rqalpha.mod.rqalpha_mod_sys_analyser
[2018-07-30 15:43:05.116121] DEBUG: system_log: 载入 Mod rqalpha.mod.rqalpha_mod_sys_risk
[2018-07-30 15:43:05.121133] DEBUG: basic_system_log: mod start_up [START] sys_simulation
[2018-07-30 15:43:05.127150] DEBUG: basic_system_log: mod start_up [END] sys_simulation
[2018-07-30 15:43:05.131661] DEBUG: basic_system_log: mod start_up [START] sys_progress
[2018-07-30 15:43:05.137176] DEBUG: basic_system_log: mod start_up [END] sys_progress
[2018-07-30 15:43:05.142189] DEBUG: basic_system_log: mod start_up [START] sys_accounts
[2018-07-30 15:43:05.147231] DEBUG: basic_system_log: mod start_up [END] sys_accounts
[2018-07-30 15:43:05.152217] DEBUG: basic_system_log: mod start_up [START] sys_analyser
[2018-07-30 15:43:05.157230] DEBUG: basic_system_log: mod start_up [END] sys_analyser
[2018-07-30 15:43:05.165752] DEBUG: basic_system_log: mod start_up [START] sys_risk
[2018-07-30 15:43:05.172771] DEBUG: basic_system_log: mod start_up [END] sys_risk
2016-06-01 INFO init
----------------------------------------------------------------------------------------
[2018-07-30 15:43:05.751400] DEBUG: basic_system_log: mod tear_down [START] sys_risk
[2018-07-30 15:43:05.756885] DEBUG: basic_system_log: mod tear_down [END] sys_risk
[2018-07-30 15:43:05.763403] DEBUG: basic_system_log: mod tear_down [START] sys_analyser
[2018-07-30 15:43:05.793983] ERROR: system_log: tear down fail for sys_analyser
Traceback (most recent call last):
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 1413, in
fontManager = pickle_load(_fmcache)
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 964, in pickle_load
with open(filename, 'rb') as fh:
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\Users\\win10\\.matplotlib\\fontList.py3k.cache'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "C:\Anaconda3.5-64\lib\site-packages\rqalpha\mod\__init__.py", line 77, in tear_down
ret = self._mod_dict[mod_name].tear_down(*args)
File "C:\Anaconda3.5-64\lib\site-packages\rqalpha\mod\rqalpha_mod_sys_analyser\mod.py", line 277, in tear_down
plot_result(result_dict, self._mod_config.plot, self._mod_config.plot_save_file)
File "C:\Anaconda3.5-64\lib\site-packages\rqalpha\mod\rqalpha_mod_sys_analyser\plot.py", line 24, in plot_result
from matplotlib import rcParams, gridspec, ticker, image as mpimg, pyplot as plt
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\pyplot.py", line 29, in
import matplotlib.colorbar
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\colorbar.py", line 34, in
import matplotlib.collections as collections
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\collections.py", line 27, in
import matplotlib.backend_bases as backend_bases
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\backend_bases.py", line 62, in
import matplotlib.textpath as textpath
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\textpath.py", line 15, in
import matplotlib.font_manager as font_manager
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 1421, in
_rebuild()
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 1406, in _rebuild
fontManager = FontManager()
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 1044, in __init__
self.ttffiles = findSystemFonts(paths) + findSystemFonts()
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 313, in findSystemFonts
for f in win32InstalledFonts(fontdir):
File "C:\Anaconda3.5-64\lib\site-packages\matplotlib\font_manager.py", line 231, in win32InstalledFonts
direc = os.path.abspath(direc).lower()
File "C:\Anaconda3.5-64\lib\ntpath.py", line 535, in abspath
path = _getfullpathname(path)
ValueError: _getfullpathname: embedded null character
[2018-07-30 15:43:05.800022] DEBUG: basic_system_log: mod tear_down [START] sys_accounts
[2018-07-30 15:43:05.803509] DEBUG: basic_system_log: mod tear_down [END] sys_accounts
[2018-07-30 15:43:05.806516] DEBUG: basic_system_log: mod tear_down [START] sys_progress
[2018-07-30 15:43:05.809525] DEBUG: basic_system_log: mod tear_down [END] sys_progress
[2018-07-30 15:43:05.813034] DEBUG: basic_system_log: mod tear_down [START] sys_simulation
[2018-07-30 15:43:05.815540] DEBUG: basic_system_log: mod tear_down [END] sys_simulation
[2018-07-30 15:43:05.818548] DEBUG: system_log: 策略运行成功，正常退出 使用matplotlib时候就出现了fontList.py3k.cache not found
发现是读取地址的bug，也是坑爹的
如果遇到这个问题需要将matplotlib目录下的font_manager.py第231的改为direc = direc.split(‘\0’,1)[0]就可以了
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