From 140d836e9cd54fb67b969fd82ef7ed19ba574d40 Mon Sep 17 00:00:00 2001
From: Luca Falavigna <dktrkranz@debian.org>
Date: Sat, 26 Apr 2014 15:11:58 +0200
Subject: Imported Upstream version 2.3.1

---
 bin/scons-proc.py | 478 +++++++++++++++++++++---------------------------------
 1 file changed, 181 insertions(+), 297 deletions(-)

(limited to 'bin/scons-proc.py')

diff --git a/bin/scons-proc.py b/bin/scons-proc.py
index 1f537c7..9567db8 100644
--- a/bin/scons-proc.py
+++ b/bin/scons-proc.py
@@ -5,17 +5,15 @@
 # This script creates formatted lists of the Builders, functions, Tools
 # or construction variables documented in the specified XML files.
 #
-# Dependening on the options, the lists are output in either
+# Depending on the options, the lists are output in either
 # DocBook-formatted generated XML files containing the summary text
-# and/or .mod files contining the ENTITY definitions for each item,
-# or in man-page-formatted output.
+# and/or .mod files containing the ENTITY definitions for each item.
 #
 import getopt
 import os
 import re
 import string
 import sys
-import xml.sax
 try:
     from io import StringIO     # usable as of 2.6; takes unicode only
 except ImportError:
@@ -23,32 +21,31 @@ except ImportError:
     exec('from cStringIO import StringIO')
 
 import SConsDoc
+from SConsDoc import tf as stf
 
 base_sys_path = [os.getcwd() + '/build/test-tar-gz/lib/scons'] + sys.path
 
 helpstr = """\
-Usage: scons-proc.py [--man|--xml]
-                     [-b file(s)] [-f file(s)] [-t file(s)] [-v file(s)]
+Usage: scons-proc.py [-b file(s)] [-f file(s)] [-t file(s)] [-v file(s)]
                      [infile ...]
 Options:
   -b file(s)        dump builder information to the specified file(s)
   -f file(s)        dump function information to the specified file(s)
   -t file(s)        dump tool information to the specified file(s)
   -v file(s)        dump variable information to the specified file(s)
-  --man             print info in man page format, each -[btv] argument
-                    is a single file name
-  --xml             (default) print info in SML format, each -[btv] argument
-                    is a pair of comma-separated .gen,.mod file names
+  
+  Regard that each -[btv] argument is a pair of
+  comma-separated .gen,.mod file names.
+  
 """
 
 opts, args = getopt.getopt(sys.argv[1:],
                            "b:f:ht:v:",
                            ['builders=', 'help',
-                            'man', 'xml', 'tools=', 'variables='])
+                            'tools=', 'variables='])
 
 buildersfiles = None
 functionsfiles = None
-output_type = '--xml'
 toolsfiles = None
 variablesfiles = None
 
@@ -60,55 +57,29 @@ for o, a in opts:
     elif o in ['-h', '--help']:
         sys.stdout.write(helpstr)
         sys.exit(0)
-    elif o in ['--man', '--xml']:
-        output_type = o
     elif o in ['-t', '--tools']:
         toolsfiles = a
     elif o in ['-v', '--variables']:
         variablesfiles = a
 
-h = SConsDoc.SConsDocHandler()
-saxparser = xml.sax.make_parser()
-saxparser.setContentHandler(h)
-saxparser.setErrorHandler(h)
-
-xml_preamble = """\
-<?xml version="1.0"?>
-<scons_doc>
-"""
-
-xml_postamble = """\
-</scons_doc>
-"""
-
-for f in args:
-    _, ext = os.path.splitext(f)
-    if ext == '.py':
-        dir, _ = os.path.split(f)
-        if dir:
-            sys.path = [dir] + base_sys_path
-        module = SConsDoc.importfile(f)
-        h.set_file_info(f, len(xml_preamble.split('\n')))
-        try:
-            content = module.__scons_doc__
-        except AttributeError:
-            content = None
+def parse_docs(args, include_entities=True):
+    h = SConsDoc.SConsDocHandler()
+    for f in args:
+        if include_entities:
+            try:
+                h.parseXmlFile(f)
+            except:
+                sys.stderr.write("error in %s\n" % f)
+                raise
         else:
-            del module.__scons_doc__
-    else:
-        h.set_file_info(f, len(xml_preamble.split('\n')))
-        content = open(f).read()
-    if content:
-        content = content.replace('&', '&amp;')
-        # Strip newlines after comments so they don't turn into
-        # spurious paragraph separators.
-        content = content.replace('-->\n', '-->')
-        input = xml_preamble + content + xml_postamble
-        try:
-            saxparser.parse(StringIO(unicode(input)))
-        except:
-            sys.stderr.write("error in %s\n" % f)
-            raise
+            content = open(f).read()
+            if content:
+                try:
+                    h.parseContent(content, include_entities)
+                except:
+                    sys.stderr.write("error in %s\n" % f)
+                    raise
+    return h
 
 Warning = """\
 <!--
@@ -137,176 +108,113 @@ class SCons_XML(object):
         self.values = entries
         for k, v in kw.items():
             setattr(self, k, v)
+            
     def fopen(self, name):
         if name == '-':
             return sys.stdout
         return open(name, 'w')
-
-class SCons_XML_to_XML(SCons_XML):
+    
     def write(self, files):
         gen, mod = files.split(',')
-        g.write_gen(gen)
-        g.write_mod(mod)
+        self.write_gen(gen)
+        self.write_mod(mod)
+        
     def write_gen(self, filename):
         if not filename:
             return
-        f = self.fopen(filename)
+        # Try to split off .gen filename
+        if filename.count(','):
+            fl = filename.split(',')
+            filename = fl[0]
+            
+        # Start new XML file
+        root = stf.newXmlTree("variablelist")
+        
         for v in self.values:
-            f.write('\n<varlistentry id="%s%s">\n' %
-                        (v.prefix, v.idfunc()))
-            f.write('%s\n' % v.xml_term())
-            f.write('<listitem>\n')
-            for chunk in v.summary.body:
-                f.write(str(chunk))
-            if v.sets:
+            
+            ve = stf.newNode("varlistentry")
+            stf.setAttribute(ve, 'id', '%s%s' % (v.prefix, v.idfunc()))
+            for t in v.xml_terms():
+                stf.appendNode(ve, t)
+            vl = stf.newNode("listitem")
+            added = False
+            if v.summary is not None:
+                for s in v.summary:
+                    added = True
+                    stf.appendNode(vl, stf.copyNode(s))
+            
+            if len(v.sets):
+                added = True
+                vp = stf.newNode("para")
                 s = ['&cv-link-%s;' % x for x in v.sets]
-                f.write('<para>\n')
-                f.write('Sets:  ' + ', '.join(s) + '.\n')
-                f.write('</para>\n')
-            if v.uses:
+                stf.setText(vp, 'Sets:  ' + ', '.join(s) + '.')
+                stf.appendNode(vl, vp)
+            if len(v.uses):
+                added = True
+                vp = stf.newNode("para")
                 u = ['&cv-link-%s;' % x for x in v.uses]
-                f.write('<para>\n')
-                f.write('Uses:  ' + ', '.join(u) + '.\n')
-                f.write('</para>\n')
-            f.write('</listitem>\n')
-            f.write('</varlistentry>\n')
+                stf.setText(vp, 'Uses:  ' + ', '.join(u) + '.')
+                stf.appendNode(vl, vp)
+                
+            # Still nothing added to this list item?
+            if not added:
+                # Append an empty para
+                vp = stf.newNode("para")
+                stf.appendNode(vl, vp)
+                
+            stf.appendNode(ve, vl)
+            stf.appendNode(root, ve)
+            
+        # Write file        
+        f = self.fopen(filename)
+        stf.writeGenTree(root, f)
+            
     def write_mod(self, filename):
-        description = self.values[0].description
+        try:
+            description = self.values[0].description
+        except:
+            description = ""
         if not filename:
             return
+        # Try to split off .mod filename
+        if filename.count(','):
+            fl = filename.split(',')
+            filename = fl[1]
         f = self.fopen(filename)
         f.write(Warning)
         f.write('\n')
         f.write(Regular_Entities_Header % description)
         f.write('\n')
         for v in self.values:
-            f.write('<!ENTITY %s%s "<%s>%s</%s>">\n' %
+            f.write('<!ENTITY %s%s "<%s xmlns=\'%s\'>%s</%s>">\n' %
                         (v.prefix, v.idfunc(),
-                         v.tag, v.entityfunc(), v.tag))
+                         v.tag, SConsDoc.dbxsd, v.entityfunc(), v.tag))
         if self.env_signatures:
             f.write('\n')
             for v in self.values:
-                f.write('<!ENTITY %senv-%s "<%s>env.%s</%s>">\n' %
+                f.write('<!ENTITY %senv-%s "<%s xmlns=\'%s\'>env.%s</%s>">\n' %
                             (v.prefix, v.idfunc(),
-                             v.tag, v.entityfunc(), v.tag))
+                             v.tag, SConsDoc.dbxsd, v.entityfunc(), v.tag))
         f.write('\n')
         f.write(Warning)
         f.write('\n')
         f.write(Link_Entities_Header % description)
         f.write('\n')
         for v in self.values:
-            f.write('<!ENTITY %slink-%s \'<link linkend="%s%s"><%s>%s</%s></link>\'>\n' %
+            f.write('<!ENTITY %slink-%s "<link linkend=\'%s%s\' xmlns=\'%s\'><%s>%s</%s></link>">\n' %
                         (v.prefix, v.idfunc(),
-                         v.prefix, v.idfunc(),
+                         v.prefix, v.idfunc(), SConsDoc.dbxsd,
                          v.tag, v.entityfunc(), v.tag))
         if self.env_signatures:
             f.write('\n')
             for v in self.values:
-                f.write('<!ENTITY %slink-env-%s \'<link linkend="%s%s"><%s>env.%s</%s></link>\'>\n' %
+                f.write('<!ENTITY %slink-env-%s "<link linkend=\'%s%s\' xmlns=\'%s\'><%s>env.%s</%s></link>">\n' %
                             (v.prefix, v.idfunc(),
-                             v.prefix, v.idfunc(),
+                             v.prefix, v.idfunc(), SConsDoc.dbxsd,
                              v.tag, v.entityfunc(), v.tag))
         f.write('\n')
         f.write(Warning)
 
-class SCons_XML_to_man(SCons_XML):
-    def write(self, filename):
-        """
-        Converts the contents of the specified filename from DocBook XML
-        to man page macros.
-
-        This does not do an intelligent job.  In particular, it doesn't
-        actually use the structured nature of XML to handle arbitrary
-        input.  Instead, we're using text replacement and regular
-        expression substitutions to convert observed patterns into the
-        macros we want.  To the extent that we're relatively consistent
-        with our input .xml, this works, but could easily break if handed
-        input that doesn't match these specific expectations.
-        """
-        if not filename:
-            return
-        f = self.fopen(filename)
-        chunks = []
-        for v in self.values:
-            chunks.extend(v.man_separator())
-            chunks.extend(v.initial_man_chunks())
-            chunks.extend(list(map(str, v.summary.body)))
-
-        body = ''.join(chunks)
-
-        # Simple transformation of examples into our defined macros for those.
-        body = body.replace('<programlisting>', '.ES')
-        body = body.replace('</programlisting>', '.EE')
-
-        # Replace groupings of <para> tags and surrounding newlines
-        # with single blank lines.
-        body = body.replace('\n</para>\n<para>\n', '\n\n')
-        body = body.replace('<para>\n', '')
-        body = body.replace('<para>', '\n')
-        body = body.replace('</para>\n', '')
-
-        # Convert <variablelist> and its child tags.
-        body = body.replace('<variablelist>\n', '.RS 10\n')
-        # Handling <varlistentry> needs to be rationalized and made
-        # consistent.  Right now, the <term> values map to arbitrary,
-        # ad-hoc idioms in the current man page.
-        body = re.compile(r'<varlistentry>\n<term><literal>([^<]*)</literal></term>\n<listitem>\n').sub(r'.TP 6\n.B \1\n', body)
-        body = re.compile(r'<varlistentry>\n<term><parameter>([^<]*)</parameter></term>\n<listitem>\n').sub(r'.IP \1\n', body)
-        body = re.compile(r'<varlistentry>\n<term>([^<]*)</term>\n<listitem>\n').sub(r'.HP 6\n.B \1\n', body)
-        body = body.replace('</listitem>\n', '')
-        body = body.replace('</varlistentry>\n', '')
-        body = body.replace('</variablelist>\n', '.RE\n')
-
-        # Get rid of unnecessary .IP macros, and unnecessary blank lines
-        # in front of .IP macros.
-        body = re.sub(r'\.EE\n\n+(?!\.IP)', '.EE\n.IP\n', body)
-        body = body.replace('\n.EE\n.IP\n.ES\n', '\n.EE\n\n.ES\n')
-        body = body.replace('\n.IP\n\'\\"', '\n\n\'\\"')
-
-        # Convert various named entities and tagged names to nroff
-        # in-line font conversions (\fB, \fI, \fP).
-        body = re.sub('&(scons|SConstruct|SConscript|Dir|jar|Make|lambda);',
-                      r'\\fB\1\\fP', body)
-        body = re.sub('&(TARGET|TARGETS|SOURCE|SOURCES);', r'\\fB$\1\\fP', body)
-        body = re.sub('&(target|source);', r'\\fI\1\\fP', body)
-        body = re.sub('&b(-link)?-([^;]*);', r'\\fB\2\\fP()', body)
-        body = re.sub('&cv(-link)?-([^;]*);', r'\\fB$\2\\fP', body)
-        body = re.sub('&f(-link)?-env-([^;]*);', r'\\fBenv.\2\\fP()', body)
-        body = re.sub('&f(-link)?-([^;]*);', r'\\fB\2\\fP()', body)
-        body = re.sub(r'<(application|command|envar|filename|function|literal|option)>([^<]*)</\1>',
-                      r'\\fB\2\\fP', body)
-        body = re.sub(r'<(classname|emphasis|varname)>([^<]*)</\1>',
-                      r'\\fI\2\\fP', body)
-
-        # Convert groupings of font conversions (\fB, \fI, \fP) to
-        # man page .B, .BR, .I, .IR, .R, .RB and .RI macros.
-        body = re.compile(r'^\\f([BI])([^\\]* [^\\]*)\\fP\s*$', re.M).sub(r'.\1 "\2"', body)
-        body = re.compile(r'^\\f([BI])(.*)\\fP\s*$', re.M).sub(r'.\1 \2', body)
-        body = re.compile(r'^\\f([BI])(.*)\\fP(\S+)$', re.M).sub(r'.\1R \2 \3', body)
-        body = re.compile(r'^(\.B)( .*)\\fP(.*)\\fB(.*)$', re.M).sub(r'\1R\2 \3 \4', body)
-        body = re.compile(r'^(\.B)R?( .*)\\fP(.*)\\fI(.*)$', re.M).sub(r'\1I\2\3 \4', body)
-        body = re.compile(r'^(\.I)( .*)\\fP\\fB(.*)\\fP\\fI(.*)$', re.M).sub(r'\1R\2 \3 \4', body)
-        body = re.compile(r'^(\S+)\\f([BI])(.*)\\fP$', re.M).sub(r'.R\2 \1 \3', body)
-        body = re.compile(r'^(\S+)\\f([BI])(.*)\\fP([^\s\\]+)$', re.M).sub(r'.R\2 \1 \3 \4', body)
-        body = re.compile(r'^(\.R[BI].*[\S])\s+$;', re.M).sub(r'\1', body)
-
-        # Convert &lt; and &gt; entities to literal < and > characters.
-        body = body.replace('&lt;', '<')
-        body = body.replace('&gt;', '>')
-
-        # Backslashes.  Oh joy.
-        body = re.sub(r'\\(?=[^f])', r'\\\\', body)
-        body = re.compile("^'\\\\\\\\", re.M).sub("'\\\\", body)
-        body = re.compile(r'^\.([BI]R?) ([^"]\S*\\\\\S+[^"])$', re.M).sub(r'.\1 "\2"', body)
-
-        # Put backslashes in front of various hyphens that need
-        # to be long em-dashes.
-        body = re.compile(r'^\.([BI]R?) --', re.M).sub(r'.\1 \-\-', body)
-        body = re.compile(r'^\.([BI]R?) -', re.M).sub(r'.\1 \-', body)
-        body = re.compile(r'\\f([BI])-', re.M).sub(r'\\f\1\-', body)
-
-        f.write(body)
-
 class Proxy(object):
     def __init__(self, subject):
         """Wrap an object as a Proxy object"""
@@ -329,156 +237,132 @@ class Proxy(object):
 class SConsThing(Proxy):
     def idfunc(self):
         return self.name
-    def xml_term(self):
-        return '<term>%s</term>' % self.name
+    
+    def xml_terms(self):
+        e = stf.newNode("term")
+        stf.setText(e, self.name)
+        return [e]
 
 class Builder(SConsThing):
     description = 'builder'
     prefix = 'b-'
     tag = 'function'
-    def xml_term(self):
-        return ('<term><synopsis><%s>%s()</%s></synopsis>\n<synopsis><%s>env.%s()</%s></synopsis></term>' %
-                (self.tag, self.name, self.tag, self.tag, self.name, self.tag))
+    
+    def xml_terms(self):
+        ta = stf.newNode("term")
+        b = stf.newNode(self.tag)
+        stf.setText(b, self.name+'()')
+        stf.appendNode(ta, b)
+        tb = stf.newNode("term")
+        b = stf.newNode(self.tag)
+        stf.setText(b, 'env.'+self.name+'()')
+        stf.appendNode(tb, b)
+        return [ta, tb]
+            
     def entityfunc(self):
         return self.name
-    def man_separator(self):
-        return ['\n', "'\\" + '"'*69 + '\n']
-    def initial_man_chunks(self):
-        return [ '.IP %s()\n.IP env.%s()\n' % (self.name, self.name) ]
 
 class Function(SConsThing):
     description = 'function'
     prefix = 'f-'
     tag = 'function'
-    def args_to_xml(self, arg):
-        s = ''.join(arg.body).strip()
-        result = []
-        for m in re.findall('([a-zA-Z/_]+=?|[^a-zA-Z/_]+)', s):
-            if m[0] in string.letters:
-                if m[-1] == '=':
-                    result.append('<literal>%s</literal>=' % m[:-1])
-                else:
-                    result.append('<varname>%s</varname>' % m)
-            else:
-                result.append(m)
-        return ''.join(result)
-    def xml_term(self):
-        try:
+    
+    def xml_terms(self):
+        if self.arguments is None:
+            a = stf.newNode("arguments")
+            stf.setText(a, '()')
+            arguments = [a]
+        else:
             arguments = self.arguments
-        except AttributeError:
-            arguments = ['()']
-        result = ['<term>']
+        tlist = []
         for arg in arguments:
-            try:
-                signature = arg.signature
-            except AttributeError:
-                signature = "both"
-            s = self.args_to_xml(arg)
+            signature = 'both'
+            if stf.hasAttribute(arg, 'signature'):
+                signature = stf.getAttribute(arg, 'signature')
+            s = stf.getText(arg).strip()
             if signature in ('both', 'global'):
-                result.append('<synopsis>%s%s</synopsis>\n' % (self.name, s)) #<br>
+                t = stf.newNode("term")
+                syn = stf.newNode("literal")
+                stf.setText(syn, '%s%s' % (self.name, s))
+                stf.appendNode(t, syn)
+                tlist.append(t)
             if signature in ('both', 'env'):
-                result.append('<synopsis><varname>env</varname>.%s%s</synopsis>' % (self.name, s))
-        result.append('</term>')
-        return ''.join(result)
+                t = stf.newNode("term")
+                syn = stf.newNode("literal")
+                stf.setText(syn, 'env.%s%s' % (self.name, s))
+                stf.appendNode(t, syn)
+                tlist.append(t)
+
+        if not tlist:
+            tlist.append(stf.newNode("term"))
+        return tlist
+    
     def entityfunc(self):
         return self.name
-    def man_separator(self):
-        return ['\n', "'\\" + '"'*69 + '\n']
-    def args_to_man(self, arg):
-        """Converts the contents of an <arguments> tag, which
-        specifies a function's calling signature, into a series
-        of tokens that alternate between literal tokens
-        (to be displayed in roman or bold face) and variable
-        names (to be displayed in italics).
-
-        This is complicated by the presence of Python "keyword=var"
-        arguments, where "keyword=" should be displayed literally,
-        and "var" should be displayed in italics.  We do this by
-        detecting the keyword= var portion and appending it to the
-        previous string, if any.
-        """
-        s = ''.join(arg.body).strip()
-        result = []
-        for m in re.findall('([a-zA-Z/_]+=?|[^a-zA-Z/_]+)', s):
-            if m[-1] == '=' and result:
-                if result[-1][-1] == '"':
-                    result[-1] = result[-1][:-1] + m + '"'
-                else:
-                    result[-1] += m
-            else:
-                if ' ' in m:
-                    m = '"%s"' % m
-                result.append(m)
-        return ' '.join(result)
-    def initial_man_chunks(self):
-        try:
-            arguments = self.arguments
-        except AttributeError:
-            arguments = ['()']
-        result = []
-        for arg in arguments:
-            try:
-                signature = arg.signature
-            except AttributeError:
-                signature = "both"
-            s = self.args_to_man(arg)
-            if signature in ('both', 'global'):
-                result.append('.TP\n.RI %s%s\n' % (self.name, s))
-            if signature in ('both', 'env'):
-                result.append('.TP\n.IR env .%s%s\n' % (self.name, s))
-        return result
 
 class Tool(SConsThing):
     description = 'tool'
     prefix = 't-'
     tag = 'literal'
+    
     def idfunc(self):
         return self.name.replace('+', 'X')
+    
     def entityfunc(self):
         return self.name
-    def man_separator(self):
-        return ['\n']
-    def initial_man_chunks(self):
-        return ['.IP %s\n' % self.name]
 
 class Variable(SConsThing):
     description = 'construction variable'
     prefix = 'cv-'
     tag = 'envar'
+    
     def entityfunc(self):
         return '$' + self.name
-    def man_separator(self):
-        return ['\n']
-    def initial_man_chunks(self):
-        return ['.IP %s\n' % self.name]
 
-if output_type == '--man':
-    processor_class = SCons_XML_to_man
-elif output_type == '--xml':
-    processor_class = SCons_XML_to_XML
+def write_output_files(h, buildersfiles, functionsfiles,
+                         toolsfiles, variablesfiles, write_func):
+    if buildersfiles:
+        g = processor_class([ Builder(b) for b in sorted(h.builders.values()) ],
+                            env_signatures=True)
+        write_func(g, buildersfiles)
+    
+    if functionsfiles:
+        g = processor_class([ Function(b) for b in sorted(h.functions.values()) ],
+                            env_signatures=True)
+        write_func(g, functionsfiles)
+    
+    if toolsfiles:
+        g = processor_class([ Tool(t) for t in sorted(h.tools.values()) ],
+                            env_signatures=False)
+        write_func(g, toolsfiles)
+    
+    if variablesfiles:
+        g = processor_class([ Variable(v) for v in sorted(h.cvars.values()) ],
+                            env_signatures=False)
+        write_func(g, variablesfiles)
+
+processor_class = SCons_XML
+
+# Step 1: Creating entity files for builders, functions,...
+print "Generating entity files..."
+h = parse_docs(args, False)
+write_output_files(h, buildersfiles, functionsfiles, toolsfiles,
+                   variablesfiles, SCons_XML.write_mod)
+
+# Step 2: Validating all input files
+print "Validating files against SCons XSD..."
+if SConsDoc.validate_all_xml(['src']):
+    print "OK"
 else:
-    sys.stderr.write("Unknown output type '%s'\n" % output_type)
-    sys.exit(1)
-
-if buildersfiles:
-    g = processor_class([ Builder(b) for b in sorted(h.builders.values()) ],
-                        env_signatures=True)
-    g.write(buildersfiles)
-
-if functionsfiles:
-    g = processor_class([ Function(b) for b in sorted(h.functions.values()) ],
-                        env_signatures=True)
-    g.write(functionsfiles)
-
-if toolsfiles:
-    g = processor_class([ Tool(t) for t in sorted(h.tools.values()) ],
-                        env_signatures=False)
-    g.write(toolsfiles)
-
-if variablesfiles:
-    g = processor_class([ Variable(v) for v in sorted(h.cvars.values()) ],
-                        env_signatures=False)
-    g.write(variablesfiles)
+    print "Validation failed! Please correct the errors above and try again."
+
+# Step 3: Creating actual documentation snippets, using the
+#         fully resolved and updated entities from the *.mod files.
+print "Updating documentation for builders, tools and functions..."
+h = parse_docs(args, True)
+write_output_files(h, buildersfiles, functionsfiles, toolsfiles,
+                   variablesfiles, SCons_XML.write)
+print "Done"
 
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