[grilo-plugins] lua-factory: Port Apple Trailers source to Lua
- From: Victor Toso de Carvalho <victortoso src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [grilo-plugins] lua-factory: Port Apple Trailers source to Lua
- Date: Thu, 23 Jul 2015 16:14:46 +0000 (UTC)
commit 069f7dcc4f2d7578a7efa7d0283783ff26434609
Author: Bastien Nocera <hadess hadess net>
Date: Tue Jul 21 17:49:24 2015 +0200
lua-factory: Port Apple Trailers source to Lua
https://bugzilla.gnome.org/show_bug.cgi?id=752681
src/lua-factory/sources/Makefile.am | 11 +-
.../sources/grl-appletrailers.gresource.xml | 6 +
src/lua-factory/sources/grl-appletrailers.lua | 217 ++++++++++++++++++++
src/lua-factory/sources/trailers.svg | 107 ++++++++++
4 files changed, 339 insertions(+), 2 deletions(-)
---
diff --git a/src/lua-factory/sources/Makefile.am b/src/lua-factory/sources/Makefile.am
index f49a328..325842c 100644
--- a/src/lua-factory/sources/Makefile.am
+++ b/src/lua-factory/sources/Makefile.am
@@ -18,7 +18,9 @@ lua_sources_DATA = \
grl-radiofrance.gresource \
grl-video-title-parsing.lua \
grl-pocket.lua \
- grl-pocket.gresource
+ grl-pocket.gresource \
+ grl-appletrailers.lua \
+ grl-appletrailers.gresource
lua_sourcesdir = $(datadir)/$(LUA_FACTORY_SOURCE_LOCATION)
@@ -34,11 +36,15 @@ grl-radiofrance.gresource: grl-radiofrance.gresource.xml
grl-pocket.gresource: grl-pocket.gresource.xml
$(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) $(srcdir)/grl-pocket.gresource.xml
+grl-appletrailers.gresource: grl-appletrailers.gresource.xml
+ $(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) $(srcdir)/grl-appletrailers.gresource.xml
+
CLEANFILES = \
grl-euronews.gresource \
grl-guardianvideos.gresource \
grl-radiofrance.gresource \
- grl-pocket.gresource
+ grl-pocket.gresource \
+ grl-appletrailers.gresource
EXTRA_DIST += \
$(lua_sources_DATA) \
@@ -46,6 +52,7 @@ EXTRA_DIST += \
grl-guardianvideos.gresource.xml \
grl-radiofrance.gresource.xml \
grl-pocket.gresource.xml \
+ grl-appletrailers.gresource.xml \
euronews.svg \
guardianvideos.svg \
radiofrance.png \
diff --git a/src/lua-factory/sources/grl-appletrailers.gresource.xml
b/src/lua-factory/sources/grl-appletrailers.gresource.xml
new file mode 100644
index 0000000..9e788ed
--- /dev/null
+++ b/src/lua-factory/sources/grl-appletrailers.gresource.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+ <gresource prefix="/org/gnome/grilo/plugins/appletrailers">
+ <file compressed="true">trailers.svg</file>
+ </gresource>
+</gresources>
diff --git a/src/lua-factory/sources/grl-appletrailers.lua b/src/lua-factory/sources/grl-appletrailers.lua
new file mode 100644
index 0000000..f02eab1
--- /dev/null
+++ b/src/lua-factory/sources/grl-appletrailers.lua
@@ -0,0 +1,217 @@
+--[[
+ * Copyright (C) 2015 Grilo Project
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+--]]
+
+---------------------------
+-- Source initialization --
+---------------------------
+
+source = {
+ id = "grl-appletrailers-lua",
+ name = "Apple Movie Trailers",
+ description = "Apple Trailers",
+ supported_media = 'video',
+ supported_keys = { 'author', 'publication-date', 'description', 'duration', 'genre', 'id', 'thumbnail',
'title', 'url', 'certificate', 'studio', 'license', 'performer', 'size' },
+ config_keys = {
+ optional = { 'definition' },
+ },
+ icon = 'resource:///org/gnome/grilo/plugins/appletrailers/trailers.svg',
+ tags = { 'country:us', 'cinema', 'net:internet', 'net:plaintext' },
+}
+
+-- Global table to store config data
+ldata = {}
+
+-- Global table to store parse results
+cached_xml = nil
+
+function grl_source_init(configs)
+ ldata.hd = (configs.definition and configs.definition == 'hd')
+ return true
+end
+
+---------------------------------
+-- Handlers of Grilo functions --
+---------------------------------
+
+APPLE_TRAILERS_CURRENT_SD = "http://trailers.apple.com/trailers/home/xml/current_480p.xml";
+APPLE_TRAILERS_CURRENT_HD = "http://trailers.apple.com/trailers/home/xml/current_720p.xml";
+
+function grl_source_browse()
+ local skip = grl.get_options("skip")
+ local count = grl.get_options("count")
+
+ -- Make sure to reset the cache when browsing again
+ if skip == 0 then
+ cached_xml = nil
+ end
+
+ if cached_xml then
+ parse_results(cached_xml)
+ else
+ local url = APPLE_TRAILERS_CURRENT_SD
+ if ldata.hd then
+ url = APPLE_TRAILERS_CURRENT_HD
+ end
+
+ grl.debug('Fetching URL: ' .. url .. ' (count: ' .. count .. ' skip: ' .. skip .. ')')
+ grl.fetch(url, "fetch_results_cb")
+ end
+end
+
+---------------
+-- Utilities --
+---------------
+
+-- simili-XML parsing from
+-- http://lua-users.org/wiki/LuaXml
+function parseargs(s)
+ local arg = {}
+ string.gsub(s, "([%-%w]+)=([\"'])(.-)%2", function (w, _, a)
+ arg[w] = a
+ end)
+ return arg
+end
+
+function collect(s)
+ local stack = {}
+ local top = {}
+ table.insert(stack, top)
+ local ni,c,label,xarg, empty
+ local i, j = 1, 1
+ while true do
+ ni,j,c,label,xarg, empty = string.find(s, "<(%/?)([%w:]+)(.-)(%/?)>", i)
+ if not ni then break end
+ local text = string.sub(s, i, ni-1)
+ if not string.find(text, "^%s*$") then
+ table.insert(top, text)
+ end
+ if empty == "/" then -- empty element tag
+ table.insert(top, {label=label, xarg=parseargs(xarg), empty=1})
+ elseif c == "" then -- start tag
+ top = {label=label, xarg=parseargs(xarg)}
+ table.insert(stack, top) -- new level
+ else -- end tag
+ local toclose = table.remove(stack) -- remove top
+ top = stack[#stack]
+ if #stack < 1 then
+ error("nothing to close with "..label)
+ end
+ if toclose.label ~= label then
+ error("trying to close "..toclose.label.." with "..label)
+ end
+ table.insert(top, toclose)
+ end
+ i = j+1
+ end
+ local text = string.sub(s, i)
+ if not string.find(text, "^%s*$") then
+ table.insert(stack[#stack], text)
+ end
+ if #stack > 1 then
+ error("unclosed "..stack[#stack].label)
+ end
+ return stack[1]
+end
+
+function flatten_array(array)
+ local t = {}
+
+ for i, v in ipairs(array) do
+ if v.label == 'movieinfo' then
+ v.label = v.xarg.id
+ end
+
+ if v.xarg and v.xarg.filesize then
+ t['filesize'] = v.xarg.filesize
+ end
+
+ if v.label then
+ if (type(v) == "table") then
+ -- t['name'] already exists, append to it
+ if t[v.label] then
+ table.insert(t[v.label], v[1])
+ else
+ t[v.label] = flatten_array(v)
+ end
+ else
+ t[v.label] = v
+ end
+ else
+ if (type(v) == "table") then
+ table.insert(t, flatten_array(v))
+ else
+ table.insert(t, v)
+ end
+ end
+ end
+
+ return t
+end
+
+function fetch_results_cb(results)
+ if not results then
+ grl.warning('Failed to fetch XML file')
+ grl.callback()
+ return
+ end
+
+ local array = collect(results)
+ cached_xml = flatten_array(array)
+
+ parse_results(cached_xml)
+end
+
+function parse_results(results)
+ local count = grl.get_options("count")
+ local skip = grl.get_options("skip")
+
+ for i, item in pairs(results.records) do
+ local media = {}
+
+ media.type = 'video'
+ media.id = i
+ if item.cast then media.performer = item.cast.name end
+ media.genre = item.genre.name
+ media.license = item.info.copyright[1]
+ media.description = item.info.description[1]
+ media.director = item.info.director[1]
+ media.publication_date = item.info.releasedate[1]
+ media.certificate = item.info.rating[1]
+ media.studio = item.info.studio[1]
+ media.title = item.info.title[1]
+ media.thumbnail = item.poster.xlarge[1]
+ media.url = item.preview.large[1]
+ media.size = item.preview.filesize
+
+ if skip > 0 then
+ skip = skip - 1
+ else
+ count = count - 1
+ grl.callback(media, count)
+ if count == 0 then
+ return
+ end
+ end
+ end
+
+ if count ~= 0 then
+ grl.callback()
+ end
+end
diff --git a/src/lua-factory/sources/trailers.svg b/src/lua-factory/sources/trailers.svg
new file mode 100644
index 0000000..e58eeea
--- /dev/null
+++ b/src/lua-factory/sources/trailers.svg
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+ xmlns:dc="http://purl.org/dc/elements/1.1/";
+ xmlns:cc="http://creativecommons.org/ns#";
+ xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
+ xmlns:svg="http://www.w3.org/2000/svg";
+ xmlns="http://www.w3.org/2000/svg";
+ xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd";
+ xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape";
+ width="256"
+ height="256"
+ id="svg2"
+ version="1.1"
+ inkscape:version="0.48.4 r9939"
+ sodipodi:docname="channel-bliptv.svg">
+ <defs
+ id="defs4">
+ <clipPath
+ id="clipPath6193"
+ clipPathUnits="userSpaceOnUse">
+ <path
+ id="path6195"
+ d="m 1600,2252.8 5020,0 0,3650 -5020,0 0,-3650 z" />
+ </clipPath>
+ <linearGradient
+ id="linearGradient6181"
+ spreadMethod="pad"
+ gradientTransform="matrix(-3.593e-5,822,822,3.593e-5,411,0)"
+ gradientUnits="userSpaceOnUse"
+ y2="0"
+ x2="1"
+ y1="0"
+ x1="0">
+ <stop
+ id="stop6183"
+ offset="0"
+ style="stop-opacity:1;stop-color:#c01e25" />
+ <stop
+ id="stop6185"
+ offset="1"
+ style="stop-opacity:1;stop-color:#e62426" />
+ </linearGradient>
+ <clipPath
+ id="clipPath6177"
+ clipPathUnits="userSpaceOnUse">
+ <path
+ id="path6179"
+ d="M 8220,0 0,0 l 0,8220 8220,0 0,-8220 m -6620,5902.8 0,-3650 5020,0 0,3650 -5020,0" />
+ </clipPath>
+ </defs>
+ <sodipodi:namedview
+ id="base"
+ pagecolor="#505050"
+ bordercolor="#666666"
+ borderopacity="1.0"
+ inkscape:pageopacity="1"
+ inkscape:pageshadow="2"
+ inkscape:zoom="1"
+ inkscape:cx="222.0001"
+ inkscape:cy="70.020428"
+ inkscape:document-units="px"
+ inkscape:current-layer="g7299"
+ showgrid="false"
+ borderlayer="true"
+ inkscape:showpageshadow="false"
+ inkscape:window-width="2560"
+ inkscape:window-height="1374"
+ inkscape:window-x="0"
+ inkscape:window-y="27"
+ inkscape:window-maximized="1" />
+ <metadata
+ id="metadata7">
+ <rdf:RDF>
+ <cc:Work
+ rdf:about="">
+ <dc:format>image/svg+xml</dc:format>
+ <dc:type
+ rdf:resource="http://purl.org/dc/dcmitype/StillImage"; />
+ <dc:title></dc:title>
+ </cc:Work>
+ </rdf:RDF>
+ </metadata>
+ <g
+ inkscape:label="Layer 1"
+ inkscape:groupmode="layer"
+ id="layer1"
+ transform="translate(0,-796.36218)">
+ <g
+ transform="matrix(630.025,0,0,-458.9,-77.5125,1218.8747)"
+ id="g6197" />
+ <g
+ id="g7288"
+ transform="translate(551.5,989.9982)">
+ <g
+ id="g7299"
+ transform="matrix(0.89344262,0,0,0.89344262,-396.25,-32.797277)">
+ <path
+
style="color:#000000;fill:#73a444;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
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+ </g>
+</svg>
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