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bpo-35292: Avoid calling mimetypes.init when http.server is imported (GH-17822)

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An Long 2020-01-09 02:28:14 +08:00 • committed by Steve Dower
parent 2e6a8efa83
commit 5907e61a8d
3 changed files with 17 additions and 16 deletions
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23
Lib/http/server.py
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@ -639,6 +639,12 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
"""
server_version = "SimpleHTTP/" + __version__
extensions_map = _encodings_map_default = {
'.gz': 'application/gzip',
'.Z': 'application/octet-stream',
'.bz2': 'application/x-bzip2',
'.xz': 'application/x-xz',
}
def __init__(self, *args, directory=None, **kwargs):
if directory is None:
@ -866,25 +872,16 @@ class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
slow) to look inside the data to make a better guess.
"""
base, ext = posixpath.splitext(path)
if ext in self.extensions_map:
return self.extensions_map[ext]
ext = ext.lower()
if ext in self.extensions_map:
return self.extensions_map[ext]
else:
return self.extensions_map['']
if not mimetypes.inited:
mimetypes.init() # try to read system mime.types
extensions_map = mimetypes.types_map.copy()
extensions_map.update({
'': 'application/octet-stream', # Default
'.py': 'text/plain',
'.c': 'text/plain',
'.h': 'text/plain',
})
guess, _ = mimetypes.guess_type(path)
if guess:
return guess
return 'application/octet-stream'
# Utilities for CGIHTTPRequestHandler