Addressing certain comments

What's new?
 - better error handling
 - still need to decode JSON from function because we need status code and body
 - prevent request body to be a problem by deferring its close
 - moving examples around: putting http and json samples into one folder

examples/tutorial/hotfunctions/http/go/func.go

@@ -1,45 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"net/http"
-	"os"
-	"strconv"
-)
-
-func main() {
-	for {
-		res := http.Response{
-			Proto:      "HTTP/1.1",
-			ProtoMajor: 1,
-			ProtoMinor: 1,
-			StatusCode: 200,
-			Status:     "OK",
-		}
-
-		r := bufio.NewReader(os.Stdin)
-		req, err := http.ReadRequest(r)
-
-		var buf bytes.Buffer
-		if err != nil {
-			res.StatusCode = 500
-			res.Status = http.StatusText(res.StatusCode)
-			fmt.Fprintln(&buf, err)
-		} else {
-			l, _ := strconv.Atoi(req.Header.Get("Content-Length"))
-			p := make([]byte, l)
-			r.Read(p)
-			fmt.Fprintf(&buf, "Hello %s\n", p)
-			for k, vs := range req.Header {
-				fmt.Fprintf(&buf, "ENV: %s %#v\n", k, vs)
-			}
-		}
-
-		res.Body = ioutil.NopCloser(&buf)
-		res.ContentLength = int64(buf.Len())
-		res.Write(os.Stdout)
-	}
-}

examples/tutorial/hotfunctions/http/python/Dockerfile

@@ -1,9 +0,0 @@
-FROM jjanzic/docker-python3-opencv
-
-RUN mkdir /code
-ADD . /code/
-WORKDIR /code
-RUN pip3 install -r requirements.txt
-
-WORKDIR /code/
-ENTRYPOINT ["python3", "func.py"]

examples/tutorial/hotfunctions/http/python/func.py

@@ -1,42 +0,0 @@
-import asyncio
-import sys
-import uvloop
-
-from hotfn.http import request
-from hotfn.http import response
-
-
-class MyProtocol(asyncio.Protocol):
-
-    def connection_made(self, transport):
-        print('pipe opened', file=sys.stderr, flush=True)
-        super(MyProtocol, self).connection_made(transport=transport)
-
-    def data_received(self, data):
-        print('received: {!r}'.format(data), file=sys.stderr, flush=True)
-        data = data.decode()
-        req = request.RawRequest(data)
-        (method, url, dict_params,
-         headers, http_version, req_data) = req.parse_raw_request()
-
-        rs = response.RawResponse(
-            http_version, 200, "OK",
-            response_data=req_data)
-        print(rs.dump(), file=sys.stdout, flush=True)
-        super(MyProtocol, self).data_received(data)
-
-    def connection_lost(self, exc):
-        print('pipe closed', file=sys.stderr, flush=True)
-        super(MyProtocol, self).connection_lost(exc)
-
-
-if __name__ == "__main__":
-    with open("/dev/stdin", "rb", buffering=0) as stdin:
-        asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
-        loop = asyncio.get_event_loop()
-        try:
-            stdin_pipe_reader = loop.connect_read_pipe(MyProtocol, stdin)
-            loop.run_until_complete(stdin_pipe_reader)
-            loop.run_forever()
-        finally:
-            loop.close()

examples/tutorial/hotfunctions/http/python/func.yaml

@@ -1,7 +0,0 @@
-name: fnproject/hotfn-py
-version: 0.0.1
-runtime: docker
-type: sync
-memory: 521
-format: http
-path: /hotfn-py

examples/tutorial/hotfunctions/http/python/requirements.txt

@@ -1,2 +0,0 @@
-hotfn
-uvloop