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import io
import os
here = os.path.dirname(os.path.abspath(__file__))
fn = os.path.join(here, "groundhog1.jpg")
class KindaFilelike: # pragma: no cover
def __init__(self, bytes):
self.bytes = bytes
def read(self, n):
bytes = self.bytes[:n]
self.bytes = self.bytes[n:]
return bytes
class UnseekableIOBase(io.RawIOBase): # pragma: no cover
def __init__(self, bytes):
self.buf = io.BytesIO(bytes)
def writable(self):
return False
def readable(self):
return True
def seekable(self):
return False
def read(self, n):
return self.buf.read(n)
def app(environ, start_response): # pragma: no cover
path_info = environ["PATH_INFO"]
if path_info.startswith("/filelike"):
f = open(fn, "rb")
f.seek(0, 2)
cl = f.tell()
f.seek(0)
if path_info == "/filelike":
headers = [
("Content-Length", str(cl)),
("Content-Type", "image/jpeg"),
]
elif path_info == "/filelike_nocl":
headers = [("Content-Type", "image/jpeg")]
elif path_info == "/filelike_shortcl":
# short content length
headers = [
("Content-Length", "1"),
("Content-Type", "image/jpeg"),
]
else:
# long content length (/filelike_longcl)
headers = [
("Content-Length", str(cl + 10)),
("Content-Type", "image/jpeg"),
]
else:
with open(fn, "rb") as fp:
data = fp.read()
cl = len(data)
f = KindaFilelike(data)
if path_info == "/notfilelike":
headers = [
("Content-Length", str(len(data))),
("Content-Type", "image/jpeg"),
]
elif path_info == "/notfilelike_iobase":
headers = [
("Content-Length", str(len(data))),
("Content-Type", "image/jpeg"),
]
f = UnseekableIOBase(data)
elif path_info == "/notfilelike_nocl":
headers = [("Content-Type", "image/jpeg")]
elif path_info == "/notfilelike_shortcl":
# short content length
headers = [
("Content-Length", "1"),
("Content-Type", "image/jpeg"),
]
else:
# long content length (/notfilelike_longcl)
headers = [
("Content-Length", str(cl + 10)),
("Content-Type", "image/jpeg"),
]
start_response("200 OK", headers)
return environ["wsgi.file_wrapper"](f, 8192)
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