def prepare_response(self, request, cached):
"""Verify our vary headers match and construct a real urllib3
HTTPResponse object.
"""
# Special case the '*' Vary value as it means we cannot actually
# determine if the cached response is suitable for this request.
if "*" in cached.get("vary", {}):
return
# Ensure that the Vary headers for the cached response match our
# request
for header, value in cached.get("vary", {}).items():
if request.headers.get(header, None) != value:
return
body_raw = cached["response"].pop("body")
headers = CaseInsensitiveDict(data=cached['response']['headers'])
if headers.get('transfer-encoding', '') == 'chunked':
headers.pop('transfer-encoding')
cached['response']['headers'] = headers
try:
body = io.BytesIO(body_raw)
except TypeError:
# This can happen if cachecontrol serialized to v1 format (pickle)
# using Python 2. A Python 2 str(byte string) will be unpickled as
# a Python 3 str (unicode string), which will cause the above to
# fail with:
#
# TypeError: 'str' does not support the buffer interface
body = io.BytesIO(body_raw.encode('utf8'))
return HTTPResponse(
body=body,
preload_content=False,
**cached["response"]
)
python类CaseInsensitiveDict()的实例源码
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def prepare_response(self, request, cached):
"""Verify our vary headers match and construct a real urllib3
HTTPResponse object.
"""
# Special case the '*' Vary value as it means we cannot actually
# determine if the cached response is suitable for this request.
if "*" in cached.get("vary", {}):
return
# Ensure that the Vary headers for the cached response match our
# request
for header, value in cached.get("vary", {}).items():
if request.headers.get(header, None) != value:
return
body_raw = cached["response"].pop("body")
headers = CaseInsensitiveDict(data=cached['response']['headers'])
if headers.get('transfer-encoding', '') == 'chunked':
headers.pop('transfer-encoding')
cached['response']['headers'] = headers
try:
body = io.BytesIO(body_raw)
except TypeError:
# This can happen if cachecontrol serialized to v1 format (pickle)
# using Python 2. A Python 2 str(byte string) will be unpickled as
# a Python 3 str (unicode string), which will cause the above to
# fail with:
#
# TypeError: 'str' does not support the buffer interface
body = io.BytesIO(body_raw.encode('utf8'))
return HTTPResponse(
body=body,
preload_content=False,
**cached["response"]
)
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
parsed_url = urlparse.urlparse(request.url)
# We only work for requests with a host of localhost
if parsed_url.netloc.lower() != "localhost":
raise InvalidURL("Invalid URL %r: Only localhost is allowed" %
request.url)
real_url = urlparse.urlunparse(parsed_url[:1] + ("",) + parsed_url[2:])
pathname = url_to_path(real_url)
resp = Response()
resp.status_code = 200
resp.url = real_url
stats = os.stat(pathname)
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
resp.headers = CaseInsensitiveDict({
"Content-Type": mimetypes.guess_type(pathname)[0] or "text/plain",
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = LocalFSResponse(open(pathname, "rb"))
resp.close = resp.raw.close
return resp
def prepare_response(self, request, cached):
"""Verify our vary headers match and construct a real urllib3
HTTPResponse object.
"""
# Special case the '*' Vary value as it means we cannot actually
# determine if the cached response is suitable for this request.
if "*" in cached.get("vary", {}):
return
# Ensure that the Vary headers for the cached response match our
# request
for header, value in cached.get("vary", {}).items():
if request.headers.get(header, None) != value:
return
body_raw = cached["response"].pop("body")
headers = CaseInsensitiveDict(data=cached['response']['headers'])
if headers.get('transfer-encoding', '') == 'chunked':
headers.pop('transfer-encoding')
cached['response']['headers'] = headers
try:
body = io.BytesIO(body_raw)
except TypeError:
# This can happen if cachecontrol serialized to v1 format (pickle)
# using Python 2. A Python 2 str(byte string) will be unpickled as
# a Python 3 str (unicode string), which will cause the above to
# fail with:
#
# TypeError: 'str' does not support the buffer interface
body = io.BytesIO(body_raw.encode('utf8'))
return HTTPResponse(
body=body,
preload_content=False,
**cached["response"]
)
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def prepare_response(self, request, cached):
"""Verify our vary headers match and construct a real urllib3
HTTPResponse object.
"""
# Special case the '*' Vary value as it means we cannot actually
# determine if the cached response is suitable for this request.
if "*" in cached.get("vary", {}):
return
# Ensure that the Vary headers for the cached response match our
# request
for header, value in cached.get("vary", {}).items():
if request.headers.get(header, None) != value:
return
body_raw = cached["response"].pop("body")
headers = CaseInsensitiveDict(data=cached['response']['headers'])
if headers.get('transfer-encoding', '') == 'chunked':
headers.pop('transfer-encoding')
cached['response']['headers'] = headers
try:
body = io.BytesIO(body_raw)
except TypeError:
# This can happen if cachecontrol serialized to v1 format (pickle)
# using Python 2. A Python 2 str(byte string) will be unpickled as
# a Python 3 str (unicode string), which will cause the above to
# fail with:
#
# TypeError: 'str' does not support the buffer interface
body = io.BytesIO(body_raw.encode('utf8'))
return HTTPResponse(
body=body,
preload_content=False,
**cached["response"]
)
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
parsed_url = urlparse.urlparse(request.url)
# We only work for requests with a host of localhost
if parsed_url.netloc.lower() != "localhost":
raise InvalidURL("Invalid URL %r: Only localhost is allowed" %
request.url)
real_url = urlparse.urlunparse(parsed_url[:1] + ("",) + parsed_url[2:])
pathname = url_to_path(real_url)
resp = Response()
resp.status_code = 200
resp.url = real_url
stats = os.stat(pathname)
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
resp.headers = CaseInsensitiveDict({
"Content-Type": mimetypes.guess_type(pathname)[0] or "text/plain",
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = LocalFSResponse(open(pathname, "rb"))
resp.close = resp.raw.close
return resp
def prepare_response(self, request, cached):
"""Verify our vary headers match and construct a real urllib3
HTTPResponse object.
"""
# Special case the '*' Vary value as it means we cannot actually
# determine if the cached response is suitable for this request.
if "*" in cached.get("vary", {}):
return
# Ensure that the Vary headers for the cached response match our
# request
for header, value in cached.get("vary", {}).items():
if request.headers.get(header, None) != value:
return
body_raw = cached["response"].pop("body")
headers = CaseInsensitiveDict(data=cached['response']['headers'])
if headers.get('transfer-encoding', '') == 'chunked':
headers.pop('transfer-encoding')
cached['response']['headers'] = headers
try:
body = io.BytesIO(body_raw)
except TypeError:
# This can happen if cachecontrol serialized to v1 format (pickle)
# using Python 2. A Python 2 str(byte string) will be unpickled as
# a Python 3 str (unicode string), which will cause the above to
# fail with:
#
# TypeError: 'str' does not support the buffer interface
body = io.BytesIO(body_raw.encode('utf8'))
return HTTPResponse(
body=body,
preload_content=False,
**cached["response"]
)
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
def send(self, request, stream=None, timeout=None, verify=None, cert=None,
proxies=None):
pathname = url_to_path(request.url)
resp = Response()
resp.status_code = 200
resp.url = request.url
try:
stats = os.stat(pathname)
except OSError as exc:
resp.status_code = 404
resp.raw = exc
else:
modified = email.utils.formatdate(stats.st_mtime, usegmt=True)
content_type = mimetypes.guess_type(pathname)[0] or "text/plain"
resp.headers = CaseInsensitiveDict({
"Content-Type": content_type,
"Content-Length": stats.st_size,
"Last-Modified": modified,
})
resp.raw = open(pathname, "rb")
resp.close = resp.raw.close
return resp
def conditional_headers(self, request):
cache_url = self.cache_url(request.url)
resp = self.serializer.loads(request, self.cache.get(cache_url))
new_headers = {}
if resp:
headers = CaseInsensitiveDict(resp.headers)
if 'etag' in headers:
new_headers['If-None-Match'] = headers['ETag']
if 'last-modified' in headers:
new_headers['If-Modified-Since'] = headers['Last-Modified']
return new_headers
