From d33d3663ecb166461d9cb5a78a29b44ee7a8fbb7 Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Thu, 18 Feb 2016 13:03:40 +0100
Subject: combine projects

---
 netlib/http/http1/assemble.py | 104 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 netlib/http/http1/assemble.py

(limited to 'netlib/http/http1/assemble.py')

diff --git a/netlib/http/http1/assemble.py b/netlib/http/http1/assemble.py
new file mode 100644
index 00000000..785ee8d3
--- /dev/null
+++ b/netlib/http/http1/assemble.py
@@ -0,0 +1,104 @@
+from __future__ import absolute_import, print_function, division
+
+from ... import utils
+import itertools
+from ...exceptions import HttpException
+from .. import CONTENT_MISSING
+
+
+def assemble_request(request):
+    if request.content == CONTENT_MISSING:
+        raise HttpException("Cannot assemble flow with CONTENT_MISSING")
+    head = assemble_request_head(request)
+    body = b"".join(assemble_body(request.data.headers, [request.data.content]))
+    return head + body
+
+
+def assemble_request_head(request):
+    first_line = _assemble_request_line(request.data)
+    headers = _assemble_request_headers(request.data)
+    return b"%s\r\n%s\r\n" % (first_line, headers)
+
+
+def assemble_response(response):
+    if response.content == CONTENT_MISSING:
+        raise HttpException("Cannot assemble flow with CONTENT_MISSING")
+    head = assemble_response_head(response)
+    body = b"".join(assemble_body(response.data.headers, [response.data.content]))
+    return head + body
+
+
+def assemble_response_head(response):
+    first_line = _assemble_response_line(response.data)
+    headers = _assemble_response_headers(response.data)
+    return b"%s\r\n%s\r\n" % (first_line, headers)
+
+
+def assemble_body(headers, body_chunks):
+    if "chunked" in headers.get("transfer-encoding", "").lower():
+        for chunk in body_chunks:
+            if chunk:
+                yield b"%x\r\n%s\r\n" % (len(chunk), chunk)
+        yield b"0\r\n\r\n"
+    else:
+        for chunk in body_chunks:
+            yield chunk
+
+
+def _assemble_request_line(request_data):
+    """
+    Args:
+        request_data (netlib.http.request.RequestData)
+    """
+    form = request_data.first_line_format
+    if form == "relative":
+        return b"%s %s %s" % (
+            request_data.method,
+            request_data.path,
+            request_data.http_version
+        )
+    elif form == "authority":
+        return b"%s %s:%d %s" % (
+            request_data.method,
+            request_data.host,
+            request_data.port,
+            request_data.http_version
+        )
+    elif form == "absolute":
+        return b"%s %s://%s:%d%s %s" % (
+            request_data.method,
+            request_data.scheme,
+            request_data.host,
+            request_data.port,
+            request_data.path,
+            request_data.http_version
+        )
+    else:
+        raise RuntimeError("Invalid request form")
+
+
+def _assemble_request_headers(request_data):
+    """
+    Args:
+        request_data (netlib.http.request.RequestData)
+    """
+    headers = request_data.headers.copy()
+    if "host" not in headers and request_data.scheme and request_data.host and request_data.port:
+        headers["host"] = utils.hostport(
+            request_data.scheme,
+            request_data.host,
+            request_data.port
+        )
+    return bytes(headers)
+
+
+def _assemble_response_line(response_data):
+    return b"%s %d %s" % (
+        response_data.http_version,
+        response_data.status_code,
+        response_data.reason,
+    )
+
+
+def _assemble_response_headers(response):
+    return bytes(response.headers)
-- 
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