micropython · Carglglz · Sep 5, 2023 · Oct 19, 2023
diff --git a/micropython/uaiohttpclient/clientsession_example.py b/micropython/uaiohttpclient/clientsession_example.py
@@ -0,0 +1,18 @@
+import uaiohttpclient as aiohttp
+import asyncio
+
+
+async def fetch(client):
+    async with client.get("http://micropython.org") as resp:
+        assert resp.status == 200
+        return await resp.text()
+
+
+async def main():
+    async with aiohttp.ClientSession() as client:
+        html = await fetch(client)
+        print(html.decode())
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/micropython/uaiohttpclient/clientsession_methods_example.py b/micropython/uaiohttpclient/clientsession_methods_example.py
@@ -0,0 +1,22 @@
+import uaiohttpclient as aiohttp
+import asyncio
+
+
+async def main():
+    async with aiohttp.ClientSession("http://httpbin.org") as session:
+        async with session.get("/get") as resp:
+            assert resp.status == 200
+            rget = await resp.text()
+            print(f"GET: {rget.decode()}")
+        async with session.post("/post", json={"foo": "bar"}) as resp:
+            assert resp.status == 200
+            rpost = await resp.text()
+            print(f"POST: {rpost.decode()}")
+        async with session.put("/put", data=b"data") as resp:
+            assert resp.status == 200
+            rput = await resp.json()
+            print("PUT: ", rput)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/micropython/uaiohttpclient/uaiohttpclient.py b/micropython/uaiohttpclient/uaiohttpclient.py
@@ -1,4 +1,5 @@
 import uasyncio as asyncio
+import json as _json
 
 
 class ClientResponse:
@@ -8,6 +9,12 @@ def __init__(self, reader):
     def read(self, sz=-1):
         return (yield from self.content.read(sz))
 
+    def text(self, sz=-1):
+        return self.read(sz=sz)
+
+    async def json(self):
+        return _json.loads(await self.read())
+
     def __repr__(self):
         return "<ClientResponse %d %s>" % (self.status, self.headers)
 
@@ -40,15 +47,186 @@ def __repr__(self):
         return "<ChunkedClientResponse %d %s>" % (self.status, self.headers)
 
 
+class _RequestContextManager:
+    def __init__(self, client, request_co):
+        self.reqco = request_co
+        self.client = client
+
+    async def __aenter__(self):
+        return await self.reqco
+
+    async def __aexit__(self, *args):
+        await self.client._reader.aclose()
+        return await asyncio.sleep(0)
+
+
+class ClientSession:
+    def __init__(self, base_url=""):
+        self._reader = None
+        self._base_url = base_url
+
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, *args):
+        return await asyncio.sleep(0)
+
+    def request(self, method, url, data=None, json=None, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request(method, self._base_url + url, data=data, json=json, ssl=ssl),
+        )
+
+    async def _request(self, method, url, data=None, json=None, ssl=None):
+        redir_cnt = 0
+        redir_url = None
+        while redir_cnt < 2:
+            reader = await self.request_raw(method, url, data, json, ssl)
+            headers = []
+            sline = await reader.readline()
+            sline = sline.split(None, 2)
+            status = int(sline[1])
+            chunked = False
+            while True:
+                line = await reader.readline()
+                if not line or line == b"\r\n":
+                    break
+                headers.append(line)
+                if line.startswith(b"Transfer-Encoding:"):
+                    if b"chunked" in line:
+                        chunked = True
+                elif line.startswith(b"Location:"):
+                    url = line.rstrip().split(None, 1)[1].decode("latin-1")
+
+            if 301 <= status <= 303:
+                redir_cnt += 1
+                await reader.aclose()
+                continue
+            break
+
+        if chunked:
+            resp = ChunkedClientResponse(reader)
+        else:
+            resp = ClientResponse(reader)
+        resp.status = status
+        resp.headers = headers
+        self._reader = reader
+        return resp
+
+    async def request_raw(self, method, url, data=None, json=None, ssl=None):
+        if json and isinstance(json, dict):
+            data = _json.dumps(json)
+        if data is not None and method == "GET":
+            method = "POST"
+        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:":
+            port = 443
+            if ssl is None:
+                ssl = True
+        else:
+            raise ValueError("Unsupported protocol: " + proto)
+
+        if ":" in host:
+            host, port = host.split(":", 1)
+            port = int(port)
+
+        reader, writer = await asyncio.open_connection(host, port, ssl=ssl)
+
+        # Use protocol 1.0, because 1.1 always allows to use chunked transfer-encoding
+        # But explicitly set Connection: close, even though this should be default for 1.0,
+        # because some servers misbehave w/o it.
+        if not data:
+            query = (
+                "%s /%s HTTP/1.0\r\nHost: %s\r\nConnection: close\r\nUser-Agent: compat\r\n\r\n"
+                % (
+                    method,
+                    path,
+                    host,
+                )
+            )
+        else:
+            query = (
+                """%s /%s HTTP/1.0\r\nHost: %s\r\n%sContent-Length: %s\r\n\r\n%s\r\nConnection: close\r\nUser-Agent: compat\r\n\r\n"""
+                % (
+                    method,
+                    path,
+                    host,
+                    "Content-Type: application/json\r\n" if json else "",
+                    str(len(str(data))),
+                    data,
+                )
+            )
+
+        await writer.awrite(query.encode("latin-1"))
+        #    yield from writer.aclose()
+        return reader
+
+    def get(self, url, ssl=None):
+        return _RequestContextManager(self, self._request("GET", self._base_url + url, ssl=ssl))
+
+    def post(self, url, data=None, json=None, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("POST", self._base_url + url, data=data, json=json, ssl=ssl),
+        )
+
+    def put(self, url, data=None, json=None, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("PUT", self._base_url + url, data=data, json=json, ssl=ssl),
+        )
+
+    def patch(self, url, data=None, json=None, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("PATCH", self._base_url + url, data=data, json=json, ssl=ssl),
+        )
+
+    def delete(self, url, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("DELETE", self._base_url + url, ssl=ssl),
+        )
+
+    def head(self, url, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("HEAD", self._base_url + url, ssl=ssl),
+        )
+
+    def options(self, url, ssl=None):
+        return _RequestContextManager(
+            self,
+            self._request("OPTIONS", self._base_url + url, ssl=ssl),
+        )
+
+
 def request_raw(method, url):
     try:
         proto, dummy, host, path = url.split("/", 3)
     except ValueError:
         proto, dummy, host = url.split("/", 2)
         path = ""
-    if proto != "http:":
+
+    if proto == "http:":
+        port = 80
+    elif proto == "https:":
+        port = 443
+    else:
         raise ValueError("Unsupported protocol: " + proto)
-    reader, writer = yield from asyncio.open_connection(host, 80)
+
+    if ":" in host:
+        host, port = host.split(":", 1)
+        port = int(port)
+
+    reader, writer = yield from asyncio.open_connection(host, port, ssl=proto == "https:")
     # Use protocol 1.0, because 1.1 always allows to use chunked transfer-encoding
     # But explicitly set Connection: close, even though this should be default for 1.0,
     # because some servers misbehave w/o it.