checking export/import now with prettified xml

src/view/utils.py

@@ -7,13 +7,39 @@ def clean_label(label):
 
 
 def check_export(model):
-    exported_string = export_to_xml(model)
+    exported_string = prettify_xml(export_to_xml(model))
     model.import_xml(exported_string)
-    exported_string_2 = export_to_xml(model)
+    exported_string_2 = prettify_xml(export_to_xml(model))
     
-    if exported_string == exported_string_2:
-        window.console.log("OK")
-    else:
-        window.console.log("NOT OK!")
-        window.console.log(exported_string)
-        window.console.log(exported_string_2)
+    linenum = 1
+    for line1, line2 in zip(exported_string.split("\n"), exported_string_2.split("\n")):
+        if line1 != line2:
+            window.console.log("Error on line {}".format(linenum))
+            window.console.log(exported_string)
+            window.console.log(exported_string_2)
+            window.console.log("Error on line {}".format(linenum))
+            break
+        linenum += 1
+            
+    window.console.log("OK")
+
+def prettify_xml(source_xml):
+    xml_doc = __new__(DOMParser()).parseFromString(source_xml, 'application/xml');
+    xslt_doc = __new__(DOMParser()).parseFromString("".join([
+        '<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform">',
+        '  <xsl:strip-space elements="*"/>',
+        '  <xsl:template match="para[content-style][not(text())]">',
+        '    <xsl:value-of select="normalize-space(.)"/>',
+        '  </xsl:template>',
+        '  <xsl:template match="node()|@*">',
+        '    <xsl:copy><xsl:apply-templates select="node()|@*"/></xsl:copy>',
+        '  </xsl:template>',
+        '  <xsl:output indent="yes"/>',
+        '</xsl:stylesheet>']), 'application/xml')
+
+    xslt_processor = __new__(XSLTProcessor())
+    xslt_processor.importStylesheet(xslt_doc)
+    result_doc = xslt_processor.transformToDocument(xml_doc)
+    result_xml = __new__(XMLSerializer()).serializeToString(result_doc)
+    
+    return result_xml