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use context managers to open files where possible

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Eli Schwartz 2019-07-02 09:10:08 -04:00
parent 31bd771cf9
commit de17dd27c9
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1 changed files with 2 additions and 1 deletions
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src/calibre/ebooks/oeb/stylizer.py
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@ -32,7 +32,8 @@ _html_css_stylesheet = None
def html_css_stylesheet(): def html_css_stylesheet():
global _html_css_stylesheet global _html_css_stylesheet
if _html_css_stylesheet is None: if _html_css_stylesheet is None:
html_css = open(P('templates/html.css'), 'rb').read() with open(P('templates/html.css'), 'rb') as f:
html_css = f.read()
_html_css_stylesheet = parseString(html_css, validate=False) _html_css_stylesheet = parseString(html_css, validate=False)
return _html_css_stylesheet return _html_css_stylesheet