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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
import hashlib
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import os
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import threading
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from dvc.utils.compat import HTTPServer, SimpleHTTPRequestHandler
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class ETagHandler(SimpleHTTPRequestHandler):
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def end_headers(self):
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file = self.translate_path(self.path)
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if not os.path.isdir(file) and os.path.exists(file):
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with open(file, "r") as fd:
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etag = hashlib.md5(fd.read().encode("utf8")).hexdigest()
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self.send_header("ETag", etag)
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SimpleHTTPRequestHandler.end_headers(self)
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class ContentMD5Handler(SimpleHTTPRequestHandler):
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def end_headers(self):
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file = self.translate_path(self.path)
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if not os.path.isdir(file) and os.path.exists(file):
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with open(file, "r") as fd:
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md5 = hashlib.md5(fd.read().encode("utf8")).hexdigest()
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self.send_header("Content-MD5", md5)
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SimpleHTTPRequestHandler.end_headers(self)
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class StaticFileServer:
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_lock = threading.Lock()
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def __init__(self, handler="etag"):
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self._lock.acquire()
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handler_class = ETagHandler if handler == "etag" else ContentMD5Handler
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self._httpd = HTTPServer(("localhost", 0), handler_class)
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self._thread = None
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def __enter__(self):
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self._thread = threading.Thread(target=self._httpd.serve_forever)
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self._thread.daemon = True
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self._thread.start()
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return self._httpd
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def __exit__(self, *args):
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self._httpd.socket.close()
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self._httpd.shutdown()
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self._httpd.server_close()
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self._lock.release()
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