2 # vi:si:et:sw=4:sts=4:ts=4
5 examine all plugins and elements and output xml documentation for them
6 used as part of the plugin documentation build
19 PAD_TEMPLATE = """<caps>
21 <direction>%(direction)s</direction>
22 <presence>%(presence)s</presence>
23 <details>%(details)s</details>
26 ELEMENT_TEMPLATE = """<element>
28 <longname>%(longname)s</longname>
29 <class>%(class)s</class>
30 <description>%(description)s</description>
31 <author>%(author)s</author>
37 PLUGIN_TEMPLATE = """<plugin>
39 <description>%(description)s</description>
40 <filename>%(filename)s</filename>
41 <basename>%(basename)s</basename>
42 <version>%(version)s</version>
43 <license>%(license)s</license>
44 <source>%(source)s</source>
45 <package>%(package)s</package>
46 <origin>%(origin)s</origin>
56 line = "&".join(line.split("&"))
57 line = "<".join(line.split("<"))
58 line = ">".join(line.split(">"))
61 def get_offset(indent):
62 return " " * INDENT_SIZE * indent
64 def output_pad_template(pt, indent=0):
65 print "PAD TEMPLATE", pt.name_template
66 paddir = ("unknown","source","sink")
67 padpres = ("always","sometimes","request")
70 'name': xmlencode(pt.name_template),
71 'direction': xmlencode(paddir[pt.direction]),
72 'presence': xmlencode(padpres[pt.presence]),
73 'details': xmlencode(pt.static_caps.string),
75 block = PAD_TEMPLATE % d
77 offset = get_offset(indent)
78 return offset + ("\n" + offset).join(block.split("\n"))
80 def output_element_factory(elf, indent=0):
81 print "ELEMENT", elf.get_name()
84 padtemplates = elf.get_static_pad_templates()
85 for padtemplate in padtemplates:
86 padsoutput.append(output_pad_template(padtemplate, indent))
89 'name': xmlencode(elf.get_name()),
90 'longname': xmlencode(elf.get_longname()),
91 'class': xmlencode(elf.get_klass()),
92 'description': xmlencode(elf.get_description()),
93 'author': xmlencode(elf.get_author()),
94 'pads': "\n".join(padsoutput),
96 block = ELEMENT_TEMPLATE % d
98 offset = get_offset(indent)
99 return offset + ("\n" + offset).join(block.split("\n"))
101 def output_plugin(plugin, indent=0):
102 print "PLUGIN", plugin.get_name()
103 version = plugin.get_version()
106 gst.debug('getting features for plugin %s' % plugin.get_name())
107 registry = gst.registry_get_default()
108 features = registry.get_feature_list_by_plugin(plugin.get_name())
109 gst.debug('plugin %s has %d features' % (plugin.get_name(), len(features)))
110 for feature in features:
111 if isinstance(feature, gst.ElementFactory):
112 elements[feature.get_name()] = feature
113 #gst.debug("got features")
116 keys = elements.keys()
119 feature = elements[name]
120 elementsoutput.append(output_element_factory(feature, indent + 2))
122 filename = plugin.get_filename()
125 basename = os.path.basename(basename)
127 'name': xmlencode(plugin.get_name()),
128 'description': xmlencode(plugin.get_description()),
129 'filename': filename,
130 'basename': basename,
132 'license': xmlencode(plugin.get_license()),
133 'source': xmlencode(plugin.get_source()),
134 'package': xmlencode(plugin.get_package()),
135 'origin': xmlencode(plugin.get_origin()),
136 'elements': "\n".join(elementsoutput),
138 block = PLUGIN_TEMPLATE % d
140 offset = get_offset(indent)
141 return offset + ("\n" + offset).join(block.split("\n"))
144 if len(sys.argv) == 1:
145 sys.stderr.write("Please specify a source module to inspect")
149 if len(sys.argv) > 2:
150 os.chdir(sys.argv[2])
152 registry = gst.registry_get_default()
153 all = registry.get_plugin_list()
155 gst.debug("inspecting plugin %s from source %s" % (
156 plugin.get_name(), plugin.get_source()))
157 # this skips gstcoreelements, with bin and pipeline
158 if plugin.get_filename() is None:
160 if plugin.get_source() != source:
163 filename = "plugin-%s.xml" % plugin.get_name()
164 handle = open(filename, "w")
165 handle.write(output_plugin(plugin))