This repository has been archived by the owner on Jul 19, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
urequests.py
203 lines (168 loc) · 5.29 KB
/
urequests.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
import usocket
class Response:
def __init__(self, f):
self.raw = f
self.encoding = "utf-8"
self._cached = None
def close(self):
if self.raw:
self.raw.close()
self.raw = None
self._cached = None
@property
def content(self):
if self._cached is None:
try:
self._cached = self.raw.read()
finally:
self.raw.close()
self.raw = None
return self._cached
@property
def text(self):
return str(self.content, self.encoding)
def json(self):
import ujson
return ujson.loads(self.content)
def request(
method,
url,
data=None,
json=None,
headers={},
stream=None,
auth=None,
timeout=None,
parse_headers=True,
http_version="1.0",
):
redirect = None # redirection url, None means no redirection
chunked_data = (
data and getattr(data, "__iter__", None) and not getattr(data, "__len__", None)
)
if auth is not None:
import ubinascii
username, password = auth
formated = b"{}:{}".format(username, password)
formated = str(ubinascii.b2a_base64(formated)[:-1], "ascii")
headers["Authorization"] = "Basic {}".format(formated)
try:
proto, dummy, host, path = url.split("/", 3)
except ValueError:
proto, dummy, host = url.split("/", 2)
path = ""
if proto == "http:":
port = 80
elif proto == "https:":
import ussl
port = 443
else:
raise ValueError("Unsupported protocol: " + proto)
if ":" in host:
host, port = host.split(":", 1)
port = int(port)
ai = usocket.getaddrinfo(host, port, 0, usocket.SOCK_STREAM)
ai = ai[0]
resp_d = None
if parse_headers is not False:
resp_d = {}
s = usocket.socket(ai[0], usocket.SOCK_STREAM, ai[2])
if timeout is not None:
# Note: settimeout is not supported on all platforms, will raise
# an AttributeError if not available.
s.settimeout(timeout)
try:
s.connect(ai[-1])
if proto == "https:":
s = ussl.wrap_socket(s, server_hostname=host)
method_path = f"{method} /{path} HTTP/{http_version}\r\n"
# example string for method_path:
# POST /api/v1/rooms/1/samples HTTP/1.1
s.write(b"%s" % method_path)
if not "Host" in headers:
s.write(b"Host: %s\r\n" % host)
# Iterate over keys to avoid tuple alloc
for k in headers:
s.write(k)
s.write(b": ")
s.write(headers[k])
s.write(b"\r\n")
if json is not None:
assert data is None
import ujson
data = ujson.dumps(json)
s.write(b"Content-Type: application/json\r\n")
if data:
if chunked_data:
s.write(b"Transfer-Encoding: chunked\r\n")
else:
s.write(b"Content-Length: %d\r\n" % len(data))
s.write(b"Connection: close\r\n\r\n")
if data:
if chunked_data:
for chunk in data:
s.write(b"%x\r\n" % len(chunk))
s.write(chunk)
s.write(b"\r\n")
s.write("0\r\n\r\n")
else:
s.write(data)
l = s.readline()
# print(l)
l = l.split(None, 2)
if len(l) < 2:
# Invalid response
raise ValueError("HTTP error: BadStatusLine:\n%s" % l)
status = int(l[1])
reason = ""
if len(l) > 2:
reason = l[2].rstrip()
while True:
l = s.readline()
if not l or l == b"\r\n":
break
# print(l)
if l.startswith(b"Transfer-Encoding:"):
if b"chunked" in l:
raise ValueError("Unsupported " + str(l, "utf-8"))
elif l.startswith(b"Location:") and not 200 <= status <= 299:
if status in [301, 302, 303, 307, 308]:
redirect = str(l[10:-2], "utf-8")
else:
raise NotImplementedError("Redirect %d not yet supported" % status)
if parse_headers is False:
pass
elif parse_headers is True:
l = str(l, "utf-8")
k, v = l.split(":", 1)
resp_d[k] = v.strip()
else:
parse_headers(l, resp_d)
except OSError:
s.close()
raise
if redirect:
s.close()
if status in [301, 302, 303]:
return request("GET", redirect, None, None, headers, stream)
else:
return request(method, redirect, data, json, headers, stream)
else:
resp = Response(s)
resp.status_code = status
resp.reason = reason
if resp_d is not None:
resp.headers = resp_d
return resp
def head(url, **kw):
return request("HEAD", url, **kw)
def get(url, **kw):
return request("GET", url, **kw)
def post(url, **kw):
return request("POST", url, **kw)
def put(url, **kw):
return request("PUT", url, **kw)
def patch(url, **kw):
return request("PATCH", url, **kw)
def delete(url, **kw):
return request("DELETE", url, **kw)