Add http-parser binding

.gitignore

@@ -24,3 +24,4 @@ __pycache__/
 .d8_history
 /*.egg
 /*.egg-info
+/dist

LICENSE

@@ -0,0 +1,21 @@
+The MIT License
+
+Copyright (c) 2015 MagicStack Inc.  http://magic.io
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

MANIFEST.in

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+recursive-include vendor *.c *.h LICENSE* README*
+include MANIFEST.in LICENSE

Makefile

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+compile:
+	cython httptools/parser/parser.pyx
+	python3 setup.py build_ext --inplace
+
+
+release: compile
+	python3 setup.py sdist upload

httptools/parser/.gitignore

@@ -0,0 +1,3 @@
+*.so
+*.html
+*.c

httptools/parser/__init__.py

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+from .parser import HttpParser, HttpParserError, MODE_REQUEST, MODE_RESPONSE

httptools/parser/cparser.pxd

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+from libc.stdint cimport uint32_t, uint64_t
+
+
+cdef extern from "../../vendor/http-parser/http_parser.h":
+    ctypedef int (*http_data_cb) (http_parser*, const char *at, size_t length)
+    ctypedef int (*http_cb) (http_parser*)
+
+    struct http_parser:
+        unsigned int type
+        unsigned int flags
+        unsigned int state
+        unsigned int header_state
+        unsigned int index
+
+        uint32_t nread
+        uint64_t content_length
+
+        unsigned short http_major
+        unsigned short http_minor
+        unsigned int status_code
+        unsigned int method
+        unsigned int http_errno
+
+        unsigned int upgrade
+
+        void *data
+
+    struct http_parser_settings:
+        http_cb      on_message_begin
+        http_data_cb on_url
+        http_data_cb on_status
+        http_data_cb on_header_field
+        http_data_cb on_header_value
+        http_cb      on_headers_complete
+        http_data_cb on_body
+        http_cb      on_message_complete
+        http_cb      on_chunk_header
+        http_cb      on_chunk_complete
+
+    enum http_parser_type:
+        HTTP_REQUEST,
+        HTTP_RESPONSE,
+        HTTP_BOTH
+
+    enum http_errno:
+        HPE_OK,
+        HPE_CB_message_begin,
+        HPE_CB_url,
+        HPE_CB_header_field,
+        HPE_CB_header_value,
+        HPE_CB_headers_complete,
+        HPE_CB_body,
+        HPE_CB_message_complete,
+        HPE_CB_status,
+        HPE_CB_chunk_header,
+        HPE_CB_chunk_complete,
+        HPE_INVALID_EOF_STATE,
+        HPE_HEADER_OVERFLOW,
+        HPE_CLOSED_CONNECTION,
+        HPE_INVALID_VERSION,
+        HPE_INVALID_STATUS,
+        HPE_INVALID_METHOD,
+        HPE_INVALID_URL,
+        HPE_INVALID_HOST,
+        HPE_INVALID_PORT,
+        HPE_INVALID_PATH,
+        HPE_INVALID_QUERY_STRING,
+        HPE_INVALID_FRAGMENT,
+        HPE_LF_EXPECTED,
+        HPE_INVALID_HEADER_TOKEN,
+        HPE_INVALID_CONTENT_LENGTH,
+        HPE_INVALID_CHUNK_SIZE,
+        HPE_INVALID_CONSTANT,
+        HPE_INVALID_INTERNAL_STATE,
+        HPE_STRICT,
+        HPE_PAUSED,
+        HPE_UNKNOWN
+
+    enum flags:
+        F_CHUNKED,
+        F_CONNECTION_KEEP_ALIVE,
+        F_CONNECTION_CLOSE,
+        F_CONNECTION_UPGRADE,
+        F_TRAILING,
+        F_UPGRADE,
+        F_SKIPBODY
+
+    enum http_method:
+        DELETE, GET, HEAD, POST, PUT, CONNECT, OPTIONS, TRACE, COPY,
+        LOCK, MKCOL, MOVE, PROPFIND, PROPPATCH, SEARCH, UNLOCK, BIND,
+        REBIND, UNBIND, ACL, REPORT, MKACTIVITY, CHECKOUT, MERGE,
+        MSEARCH, NOTIFY, SUBSCRIBE, UNSUBSCRIBE, PATCH, PURGE, MKCALENDAR,
+        LINK, UNLINK
+
+    void http_parser_init(http_parser *parser, http_parser_type type)
+
+    size_t http_parser_execute(http_parser *parser,
+                               const http_parser_settings *settings,
+                               const char *data,
+                               size_t len)
+
+    int http_should_keep_alive(const http_parser *parser)
+
+    void http_parser_settings_init(http_parser_settings *settings)
+
+    const char *http_errno_name(http_errno err)
+    const char *http_errno_description(http_errno err)
+    const char *http_method_str(http_method m)