Refs #273 - Replaced vendored markup lib by dependency

9 files changed, 9 insertions, 979 deletions

diff --git a/MANIFEST.in b/MANIFEST.in
index ade945a..65583dc 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1 +1 @@
-include HISTORY.md README.md LICENSE AUTHORS NOTICE test_tablib.py
+include HISTORY.md README.md LICENSE AUTHORS test_tablib.py
diff --git a/NOTICE b/NOTICE
deleted file mode 100644
index 6966f47..0000000
--- a/NOTICE
+++ /dev/null
@@ -1,6 +0,0 @@
-Tablib includes some vendorized Python libraries: markup.
-
-Markup License
-==============
-
-Markup is in the public domain.
diff --git a/requirements.txt b/requirements.txt
index e00b8d8..1106193 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 backports.csv; python_version < '3.0'
+MarkupPy
 odfpy
 openpyxl>=2.4.0
 pandas
diff --git a/setup.py b/setup.py
index aad742d..c82bb9a 100755
--- a/setup.py
+++ b/setup.py
@@ -34,6 +34,7 @@ install = [
     'odfpy',
     'openpyxl>=2.4.0',
     'backports.csv;python_version<"3.0"',
+    'markuppy'
     'xlrd',
     'xlwt',
     'pyyaml',
diff --git a/tablib/compat.py b/tablib/compat.py
index 660697d..0d49492 100644
--- a/tablib/compat.py
+++ b/tablib/compat.py
@@ -16,7 +16,6 @@ is_py3 = (sys.version_info[0] > 2)
 if is_py3:
     from io import BytesIO
     from io import StringIO
-    from tablib.packages import markup3 as markup
     from statistics import median
     from itertools import zip_longest as izip_longest
     import csv
@@ -28,7 +27,6 @@ if is_py3:
 else:
     from cStringIO import StringIO as BytesIO
     from StringIO import StringIO
-    from tablib.packages import markup
     from tablib.packages.statistics import median
     from itertools import izip_longest
     from backports import csv
@@ -36,3 +34,5 @@ else:
 
     unicode = unicode
     xrange = xrange
+
+from MarkupPy import markup  # Kept temporarily to avoid breaking existing imports
diff --git a/tablib/formats/_html.py b/tablib/formats/_html.py
index 655e74c..33f3290 100644
--- a/tablib/formats/_html.py
+++ b/tablib/formats/_html.py
@@ -7,14 +7,13 @@ import sys
 
 if sys.version_info[0] > 2:
     from io import BytesIO as StringIO
-    from tablib.packages import markup3 as markup
 else:
     from cStringIO import StringIO
-    from tablib.packages import markup
 
+import codecs
+from MarkupPy import markup
 import tablib
 from tablib.compat import unicode
-import codecs
 
 BOOK_ENDINGS = 'h3'
 
diff --git a/tablib/packages/markup.py b/tablib/packages/markup.py
deleted file mode 100644
index e52acae..0000000
--- a/tablib/packages/markup.py
+++ /dev/null
@@ -1,482 +0,0 @@
-# This code is in the public domain, it comes
-# with absolutely no warranty and you can do
-# absolutely whatever you want with it.
-
-__date__ = '17 May 2007'
-__version__ = '1.7'
-__doc__= """
-This is markup.py - a Python module that attempts to
-make it easier to generate HTML/XML from a Python program
-in an intuitive, lightweight, customizable and pythonic way.
-
-The code is in the public domain.
-
-Version: %s as of %s.
-
-Documentation and further info is at http://markup.sourceforge.net/
-
-Please send bug reports, feature requests, enhancement
-ideas or questions to nogradi at gmail dot com.
-
-Installation: drop markup.py somewhere into your Python path.
-""" % ( __version__, __date__ )
-
-import string
-
-class element:
-    """This class handles the addition of a new element."""
-
-    def __init__( self, tag, case='lower', parent=None ):
-        self.parent = parent
-
-        if case == 'lower':
-            self.tag = tag.lower( )
-        else:
-            self.tag = tag.upper( )
-
-    def __call__( self, *args, **kwargs ):
-        if len( args ) > 1:
-            raise ArgumentError( self.tag )
-
-        # if class_ was defined in parent it should be added to every element
-        if self.parent is not None and self.parent.class_ is not None:
-            if 'class_' not in kwargs:
-                kwargs['class_'] = self.parent.class_
-
-        if self.parent is None and len( args ) == 1:
-            x = [ self.render( self.tag, False, myarg, mydict ) for myarg, mydict in _argsdicts( args, kwargs ) ]
-            return '\n'.join( x )
-        elif self.parent is None and len( args ) == 0:
-            x = [ self.render( self.tag, True, myarg, mydict ) for myarg, mydict in _argsdicts( args, kwargs ) ]
-            return '\n'.join( x )
-
-        if self.tag in self.parent.twotags:
-            for myarg, mydict in _argsdicts( args, kwargs ):
-                self.render( self.tag, False, myarg, mydict )
-        elif self.tag in self.parent.onetags:
-            if len( args ) == 0:
-                for myarg, mydict in _argsdicts( args, kwargs ):
-                    self.render( self.tag, True, myarg, mydict )    # here myarg is always None, because len( args ) = 0
-            else:
-                raise ClosingError( self.tag )
-        elif self.parent.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-        else:
-            raise InvalidElementError( self.tag, self.parent.mode )
-
-    def render( self, tag, single, between, kwargs ):
-        """Append the actual tags to content."""
-
-        out = u"<%s" % tag
-        for key, value in kwargs.iteritems( ):
-            if value is not None:               # when value is None that means stuff like <... checked>
-                key = key.strip('_')            # strip this so class_ will mean class, etc.
-                if key in ['http_equiv', 'accept_charset']:
-                    key.replace('_','-')
-                out = u"%s %s=\"%s\"" % ( out, key, escape( value ) )
-            else:
-                out = u"%s %s" % ( out, key )
-        if between is not None:
-            out = u"%s>%s</%s>" % ( out, between, tag )
-        else:
-            if single:
-                out = u"%s />" % out
-            else:
-                out = u"%s>" % out
-        if self.parent is not None:
-            self.parent.content.append( out )
-        else:
-            return out
-
-    def close( self ):
-        """Append a closing tag unless element has only opening tag."""
-
-        if self.tag in self.parent.twotags:
-            self.parent.content.append( "</%s>" % self.tag )
-        elif self.tag in self.parent.onetags:
-            raise ClosingError( self.tag )
-        elif self.parent.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-
-    def open( self, **kwargs ):
-        """Append an opening tag."""
-
-        if self.tag in self.parent.twotags or self.tag in self.parent.onetags:
-            self.render( self.tag, False, None, kwargs )
-        elif self.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-
-class page:
-    """This is our main class representing a document. Elements are added
-    as attributes of an instance of this class."""
-
-    def __init__( self, mode='strict_html', case='lower', onetags=None, twotags=None, separator='\n', class_=None ):
-        """Stuff that effects the whole document.
-
-        mode -- 'strict_html'   for HTML 4.01 (default)
-                'html'          alias for 'strict_html'
-                'loose_html'    to allow some deprecated elements
-                'xml'           to allow arbitrary elements
-
-        case -- 'lower'         element names will be printed in lower case (default)
-                'upper'         they will be printed in upper case
-
-        onetags --              list or tuple of valid elements with opening tags only
-        twotags --              list or tuple of valid elements with both opening and closing tags
-                                these two keyword arguments may be used to select
-                                the set of valid elements in 'xml' mode
-                                invalid elements will raise appropriate exceptions
-
-        separator --            string to place between added elements, defaults to newline
-
-        class_ --               a class that will be added to every element if defined"""
-
-        valid_onetags = [ "AREA", "BASE", "BR", "COL", "FRAME", "HR", "IMG", "INPUT", "LINK", "META", "PARAM" ]
-        valid_twotags = [ "A", "ABBR", "ACRONYM", "ADDRESS", "B", "BDO", "BIG", "BLOCKQUOTE", "BODY", "BUTTON",
-                "CAPTION", "CITE", "CODE", "COLGROUP", "DD", "DEL", "DFN", "DIV", "DL", "DT", "EM", "FIELDSET",
-                "FORM", "FRAMESET", "H1", "H2", "H3", "H4", "H5", "H6", "HEAD", "HTML", "I", "IFRAME", "INS",
-                "KBD", "LABEL", "LEGEND", "LI", "MAP", "NOFRAMES", "NOSCRIPT", "OBJECT", "OL", "OPTGROUP",
-                "OPTION", "P", "PRE", "Q", "SAMP", "SCRIPT", "SELECT", "SMALL", "SPAN", "STRONG", "STYLE",
-                "SUB", "SUP", "TABLE", "TBODY", "TD", "TEXTAREA", "TFOOT", "TH", "THEAD", "TITLE", "TR",
-                "TT", "UL", "VAR" ]
-        deprecated_onetags = [ "BASEFONT", "ISINDEX" ]
-        deprecated_twotags = [ "APPLET", "CENTER", "DIR", "FONT", "MENU", "S", "STRIKE", "U" ]
-
-        self.header = [ ]
-        self.content = [ ]
-        self.footer = [ ]
-        self.case = case
-        self.separator = separator
-
-        # init( ) sets it to True so we know that </body></html> has to be printed at the end
-        self._full = False
-        self.class_= class_
-
-        if mode == 'strict_html' or mode == 'html':
-            self.onetags = valid_onetags
-            self.onetags += map( string.lower, self.onetags )
-            self.twotags = valid_twotags
-            self.twotags += map( string.lower, self.twotags )
-            self.deptags = deprecated_onetags + deprecated_twotags
-            self.deptags += map( string.lower, self.deptags )
-            self.mode = 'strict_html'
-        elif mode == 'loose_html':
-            self.onetags = valid_onetags + deprecated_onetags
-            self.onetags += map( string.lower, self.onetags )
-            self.twotags = valid_twotags + deprecated_twotags
-            self.twotags += map( string.lower, self.twotags )
-            self.mode = mode
-        elif mode == 'xml':
-            if onetags and twotags:
-                self.onetags = onetags
-                self.twotags = twotags
-            elif ( onetags and not twotags ) or ( twotags and not onetags ):
-                raise CustomizationError( )
-            else:
-                self.onetags = russell( )
-                self.twotags = russell( )
-            self.mode = mode
-        else:
-            raise ModeError( mode )
-
-    def __getattr__( self, attr ):
-        if attr.startswith("__") and attr.endswith("__"):
-            raise AttributeError(attr)
-        return element( attr, case=self.case, parent=self )
-
-    def __str__( self ):
-
-        if self._full and ( self.mode == 'strict_html' or self.mode == 'loose_html' ):
-            end = [ '</body>', '</html>' ]
-        else:
-            end = [ ]
-
-        return self.separator.join( self.header + self.content + self.footer + end )
-
-    def __call__( self, escape=False ):
-        """Return the document as a string.
-
-        escape --   False   print normally
-                    True    replace < and > by &lt; and &gt;
-                            the default escape sequences in most browsers"""
-
-        if escape:
-            return _escape( self.__str__( ) )
-        else:
-            return self.__str__( )
-
-    def add( self, text ):
-        """This is an alias to addcontent."""
-        self.addcontent( text )
-
-    def addfooter( self, text ):
-        """Add some text to the bottom of the document"""
-        self.footer.append( text )
-
-    def addheader( self, text ):
-        """Add some text to the top of the document"""
-        self.header.append( text )
-
-    def addcontent( self, text ):
-        """Add some text to the main part of the document"""
-        self.content.append( text )
-
-
-    def init( self, lang='en', css=None, metainfo=None, title=None, header=None,
-              footer=None, charset=None, encoding=None, doctype=None, bodyattrs=None, script=None ):
-        """This method is used for complete documents with appropriate
-        doctype, encoding, title, etc information. For an HTML/XML snippet
-        omit this method.
-
-        lang --     language, usually a two character string, will appear
-                    as <html lang='en'> in html mode (ignored in xml mode)
-
-        css --      Cascading Style Sheet filename as a string or a list of
-                    strings for multiple css files (ignored in xml mode)
-
-        metainfo -- a dictionary in the form { 'name':'content' } to be inserted
-                    into meta element(s) as <meta name='name' content='content'>
-                    (ignored in xml mode)
-
-        bodyattrs --a dictionary in the form { 'key':'value', ... } which will be added
-                    as attributes of the <body> element as <body key='value' ... >
-                    (ignored in xml mode)
-
-        script --   dictionary containing src:type pairs, <script type='text/type' src=src></script>
-
-        title --    the title of the document as a string to be inserted into
-                    a title element as <title>my title</title> (ignored in xml mode)
-
-        header --   some text to be inserted right after the <body> element
-                    (ignored in xml mode)
-
-        footer --   some text to be inserted right before the </body> element
-                    (ignored in xml mode)
-
-        charset --  a string defining the character set, will be inserted into a
-                    <meta http-equiv='Content-Type' content='text/html; charset=myset'>
-                    element (ignored in xml mode)
-
-        encoding -- a string defining the encoding, will be put into to first line of
-                    the document as <?xml version='1.0' encoding='myencoding' ?> in
-                    xml mode (ignored in html mode)
-
-        doctype --  the document type string, defaults to
-                    <!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>
-                    in html mode (ignored in xml mode)"""
-
-        self._full = True
-
-        if self.mode == 'strict_html' or self.mode == 'loose_html':
-            if doctype is None:
-                doctype = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>"
-            self.header.append( doctype )
-            self.html( lang=lang )
-            self.head( )
-            if charset is not None:
-                self.meta( http_equiv='Content-Type', content="text/html; charset=%s" % charset )
-            if metainfo is not None:
-                self.metainfo( metainfo )
-            if css is not None:
-                self.css( css )
-            if title is not None:
-                self.title( title )
-            if script is not None:
-                self.scripts( script )
-            self.head.close()
-            if bodyattrs is not None:
-                self.body( **bodyattrs )
-            else:
-                self.body( )
-            if header is not None:
-                self.content.append( header )
-            if footer is not None:
-                self.footer.append( footer )
-
-        elif self.mode == 'xml':
-            if doctype is None:
-                if encoding is not None:
-                    doctype = "<?xml version='1.0' encoding='%s' ?>" % encoding
-                else:
-                    doctype = "<?xml version='1.0' ?>"
-            self.header.append( doctype )
-
-    def css( self, filelist ):
-        """This convenience function is only useful for html.
-        It adds css stylesheet(s) to the document via the <link> element."""
-
-        if isinstance( filelist, basestring ):
-            self.link( href=filelist, rel='stylesheet', type='text/css', media='all' )
-        else:
-            for file in filelist:
-                self.link( href=file, rel='stylesheet', type='text/css', media='all' )
-
-    def metainfo( self, mydict ):
-        """This convenience function is only useful for html.
-        It adds meta information via the <meta> element, the argument is
-        a dictionary of the form { 'name':'content' }."""
-
-        if isinstance( mydict, dict ):
-            for name, content in mydict.iteritems( ):
-                self.meta( name=name, content=content )
-        else:
-            raise TypeError ("Metainfo should be called with a dictionary argument of name:content pairs.")
-
-    def scripts( self, mydict ):
-        """Only useful in html, mydict is dictionary of src:type pairs will
-        be rendered as <script type='text/type' src=src></script>"""
-
-        if isinstance( mydict, dict ):
-            for src, type in mydict.iteritems( ):
-                self.script( '', src=src, type='text/%s' % type )
-        else:
-            raise TypeError ("Script should be given a dictionary of src:type pairs.")
-
-
-class _oneliner:
-    """An instance of oneliner returns a string corresponding to one element.
-    This class can be used to write 'oneliners' that return a string
-    immediately so there is no need to instantiate the page class."""
-
-    def __init__( self, case='lower' ):
-        self.case = case
-
-    def __getattr__( self, attr ):
-        if attr.startswith("__") and attr.endswith("__"):
-            raise AttributeError(attr)
-        return element( attr, case=self.case, parent=None )
-
-oneliner = _oneliner( case='lower' )
-upper_oneliner = _oneliner( case='upper' )
-
-def _argsdicts( args, mydict ):
-    """A utility generator that pads argument list and dictionary values, will only be called with len( args ) = 0, 1."""
-
-    if len( args ) == 0:
-        args = None,
-    elif len( args ) == 1:
-        args = _totuple( args[0] )
-    else:
-        raise Exception("We should have never gotten here.")
-
-    mykeys = mydict.keys( )
-    myvalues = map( _totuple, mydict.values( ) )
-
-    maxlength = max( map( len, [ args ] + myvalues ) )
-
-    for i in xrange( maxlength ):
-        thisdict = { }
-        for key, value in zip( mykeys, myvalues ):
-            try:
-                thisdict[ key ] = value[i]
-            except IndexError:
-                thisdict[ key ] = value[-1]
-        try:
-            thisarg = args[i]
-        except IndexError:
-            thisarg = args[-1]
-
-        yield thisarg, thisdict
-
-def _totuple( x ):
-    """Utility stuff to convert string, int, float, None or anything to a usable tuple."""
-
-    if isinstance( x, basestring ):
-        out = x,
-    elif isinstance( x, ( int, float ) ):
-        out = str( x ),
-    elif x is None:
-        out = None,
-    else:
-        out = tuple( x )
-
-    return out
-
-def escape( text, newline=False ):
-    """Escape special html characters."""
-
-    if isinstance( text, basestring ):
-        if '&' in text:
-            text = text.replace( '&', '&amp;' )
-        if '>' in text:
-            text = text.replace( '>', '&gt;' )
-        if '<' in text:
-            text = text.replace( '<', '&lt;' )
-        if '\"' in text:
-            text = text.replace( '\"', '&quot;' )
-        if '\'' in text:
-            text = text.replace( '\'', '&quot;' )
-        if newline:
-            if '\n' in text:
-                text = text.replace( '\n', '<br>' )
-
-    return text
-
-_escape = escape
-
-def unescape( text ):
-    """Inverse of escape."""
-
-    if isinstance( text, basestring ):
-        if '&amp;' in text:
-            text = text.replace( '&amp;', '&' )
-        if '&gt;' in text:
-            text = text.replace( '&gt;', '>' )
-        if '&lt;' in text:
-            text = text.replace( '&lt;', '<' )
-        if '&quot;' in text:
-            text = text.replace( '&quot;', '\"' )
-
-    return text
-
-class dummy:
-    """A dummy class for attaching attributes."""
-    pass
-
-doctype = dummy( )
-doctype.frameset = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Frameset//EN' 'http://www.w3.org/TR/html4/frameset.dtd'>"
-doctype.strict = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>"
-doctype.loose = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>"
-
-class russell:
-    """A dummy class that contains anything."""
-
-    def __contains__( self, item ):
-        return True
-
-
-class MarkupError( Exception ):
-    """All our exceptions subclass this."""
-    def __str__( self ):
-        return self.message
-
-class ClosingError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' does not accept non-keyword arguments (has no closing tag)." % tag
-
-class OpeningError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' can not be opened." % tag
-
-class ArgumentError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' was called with more than one non-keyword argument." % tag
-
-class InvalidElementError( MarkupError ):
-    def __init__( self, tag, mode ):
-        self.message = "The element '%s' is not valid for your mode '%s'." % ( tag, mode )
-
-class DeprecationError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' is deprecated, instantiate markup.page with mode='loose_html' to allow it." % tag
-
-class ModeError( MarkupError ):
-    def __init__( self, mode ):
-        self.message = "Mode '%s' is invalid, possible values: strict_html, loose_html, xml." % mode
-
-class CustomizationError( MarkupError ):
-    def __init__( self ):
-        self.message = "If you customize the allowed elements, you must define both types 'onetags' and 'twotags'."
-
-if __name__ == '__main__':
-    print (__doc__)
diff --git a/tablib/packages/markup3.py b/tablib/packages/markup3.py
deleted file mode 100644
index a4fc637..0000000
--- a/tablib/packages/markup3.py
+++ /dev/null
@@ -1,484 +0,0 @@
-# This code is in the public domain, it comes
-# with absolutely no warranty and you can do
-# absolutely whatever you want with it.
-
-__date__ = '17 May 2007'
-__version__ = '1.7'
-__doc__= """
-This is markup.py - a Python module that attempts to
-make it easier to generate HTML/XML from a Python program
-in an intuitive, lightweight, customizable and pythonic way.
-
-The code is in the public domain.
-
-Version: %s as of %s.
-
-Documentation and further info is at http://markup.sourceforge.net/
-
-Please send bug reports, feature requests, enhancement
-ideas or questions to nogradi at gmail dot com.
-
-Installation: drop markup.py somewhere into your Python path.
-""" % ( __version__, __date__ )
-
-import string
-
-class element:
-    """This class handles the addition of a new element."""
-
-    def __init__( self, tag, case='lower', parent=None ):
-        self.parent = parent
-
-        if case == 'lower':
-            self.tag = tag.lower( )
-        else:
-            self.tag = tag.upper( )
-
-    def __call__( self, *args, **kwargs ):
-        if len( args ) > 1:
-            raise ArgumentError( self.tag )
-
-        # if class_ was defined in parent it should be added to every element
-        if self.parent is not None and self.parent.class_ is not None:
-            if 'class_' not in kwargs:
-                kwargs['class_'] = self.parent.class_
-
-        if self.parent is None and len( args ) == 1:
-            x = [ self.render( self.tag, False, myarg, mydict ) for myarg, mydict in _argsdicts( args, kwargs ) ]
-            return '\n'.join( x )
-        elif self.parent is None and len( args ) == 0:
-            x = [ self.render( self.tag, True, myarg, mydict ) for myarg, mydict in _argsdicts( args, kwargs ) ]
-            return '\n'.join( x )
-
-        if self.tag in self.parent.twotags:
-            for myarg, mydict in _argsdicts( args, kwargs ):
-                self.render( self.tag, False, myarg, mydict )
-        elif self.tag in self.parent.onetags:
-            if len( args ) == 0:
-                for myarg, mydict in _argsdicts( args, kwargs ):
-                    self.render( self.tag, True, myarg, mydict )    # here myarg is always None, because len( args ) = 0
-            else:
-                raise ClosingError( self.tag )
-        elif self.parent.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-        else:
-            raise InvalidElementError( self.tag, self.parent.mode )
-
-    def render( self, tag, single, between, kwargs ):
-        """Append the actual tags to content."""
-
-        out = "<%s" % tag
-        for key, value in kwargs.items( ):
-            if value is not None:               # when value is None that means stuff like <... checked>
-                key = key.strip('_')            # strip this so class_ will mean class, etc.
-                if key == 'http_equiv':         # special cases, maybe change _ to - overall?
-                    key = 'http-equiv'
-                elif key == 'accept_charset':
-                    key = 'accept-charset'
-                out = "%s %s=\"%s\"" % ( out, key, escape( value ) )
-            else:
-                out = "%s %s" % ( out, key )
-        if between is not None:
-            out = "%s>%s</%s>" % ( out, between, tag )
-        else:
-            if single:
-                out = "%s />" % out
-            else:
-                out = "%s>" % out
-        if self.parent is not None:
-            self.parent.content.append( out )
-        else:
-            return out
-
-    def close( self ):
-        """Append a closing tag unless element has only opening tag."""
-
-        if self.tag in self.parent.twotags:
-            self.parent.content.append( "</%s>" % self.tag )
-        elif self.tag in self.parent.onetags:
-            raise ClosingError( self.tag )
-        elif self.parent.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-
-    def open( self, **kwargs ):
-        """Append an opening tag."""
-
-        if self.tag in self.parent.twotags or self.tag in self.parent.onetags:
-            self.render( self.tag, False, None, kwargs )
-        elif self.mode == 'strict_html' and self.tag in self.parent.deptags:
-            raise DeprecationError( self.tag )
-
-class page:
-    """This is our main class representing a document. Elements are added
-    as attributes of an instance of this class."""
-
-    def __init__( self, mode='strict_html', case='lower', onetags=None, twotags=None, separator='\n', class_=None ):
-        """Stuff that effects the whole document.
-
-        mode -- 'strict_html'   for HTML 4.01 (default)
-                'html'          alias for 'strict_html'
-                'loose_html'    to allow some deprecated elements
-                'xml'           to allow arbitrary elements
-
-        case -- 'lower'         element names will be printed in lower case (default)
-                'upper'         they will be printed in upper case
-
-        onetags --              list or tuple of valid elements with opening tags only
-        twotags --              list or tuple of valid elements with both opening and closing tags
-                                these two keyword arguments may be used to select
-                                the set of valid elements in 'xml' mode
-                                invalid elements will raise appropriate exceptions
-
-        separator --            string to place between added elements, defaults to newline
-
-        class_ --               a class that will be added to every element if defined"""
-
-        valid_onetags = [ "AREA", "BASE", "BR", "COL", "FRAME", "HR", "IMG", "INPUT", "LINK", "META", "PARAM" ]
-        valid_twotags = [ "A", "ABBR", "ACRONYM", "ADDRESS", "B", "BDO", "BIG", "BLOCKQUOTE", "BODY", "BUTTON",
-                "CAPTION", "CITE", "CODE", "COLGROUP", "DD", "DEL", "DFN", "DIV", "DL", "DT", "EM", "FIELDSET",
-                "FORM", "FRAMESET", "H1", "H2", "H3", "H4", "H5", "H6", "HEAD", "HTML", "I", "IFRAME", "INS",
-                "KBD", "LABEL", "LEGEND", "LI", "MAP", "NOFRAMES", "NOSCRIPT", "OBJECT", "OL", "OPTGROUP",
-                "OPTION", "P", "PRE", "Q", "SAMP", "SCRIPT", "SELECT", "SMALL", "SPAN", "STRONG", "STYLE",
-                "SUB", "SUP", "TABLE", "TBODY", "TD", "TEXTAREA", "TFOOT", "TH", "THEAD", "TITLE", "TR",
-                "TT", "UL", "VAR" ]
-        deprecated_onetags = [ "BASEFONT", "ISINDEX" ]
-        deprecated_twotags = [ "APPLET", "CENTER", "DIR", "FONT", "MENU", "S", "STRIKE", "U" ]
-
-        self.header = [ ]
-        self.content = [ ]
-        self.footer = [ ]
-        self.case = case
-        self.separator = separator
-
-        # init( ) sets it to True so we know that </body></html> has to be printed at the end
-        self._full = False
-        self.class_= class_
-
-        if mode == 'strict_html' or mode == 'html':
-            self.onetags = valid_onetags
-            self.onetags += list(map( str.lower, self.onetags ))
-            self.twotags = valid_twotags
-            self.twotags += list(map( str.lower, self.twotags ))
-            self.deptags = deprecated_onetags + deprecated_twotags
-            self.deptags += list(map( str.lower, self.deptags ))
-            self.mode = 'strict_html'
-        elif mode == 'loose_html':
-            self.onetags = valid_onetags + deprecated_onetags
-            self.onetags += list(map( str.lower, self.onetags ))
-            self.twotags = valid_twotags + deprecated_twotags
-            self.twotags += list(map( str.lower, self.twotags ))
-            self.mode = mode
-        elif mode == 'xml':
-            if onetags and twotags:
-                self.onetags = onetags
-                self.twotags = twotags
-            elif ( onetags and not twotags ) or ( twotags and not onetags ):
-                raise CustomizationError( )
-            else:
-                self.onetags = russell( )
-                self.twotags = russell( )
-            self.mode = mode
-        else:
-            raise ModeError( mode )
-
-    def __getattr__( self, attr ):
-        if attr.startswith("__") and attr.endswith("__"):
-            raise AttributeError(attr)
-        return element( attr, case=self.case, parent=self )
-
-    def __str__( self ):
-
-        if self._full and ( self.mode == 'strict_html' or self.mode == 'loose_html' ):
-            end = [ '</body>', '</html>' ]
-        else:
-            end = [ ]
-
-        return self.separator.join( self.header + self.content + self.footer + end )
-
-    def __call__( self, escape=False ):
-        """Return the document as a string.
-
-        escape --   False   print normally
-                    True    replace < and > by &lt; and &gt;
-                            the default escape sequences in most browsers"""
-
-        if escape:
-            return _escape( self.__str__( ) )
-        else:
-            return self.__str__( )
-
-    def add( self, text ):
-        """This is an alias to addcontent."""
-        self.addcontent( text )
-
-    def addfooter( self, text ):
-        """Add some text to the bottom of the document"""
-        self.footer.append( text )
-
-    def addheader( self, text ):
-        """Add some text to the top of the document"""
-        self.header.append( text )
-
-    def addcontent( self, text ):
-        """Add some text to the main part of the document"""
-        self.content.append( text )
-
-
-    def init( self, lang='en', css=None, metainfo=None, title=None, header=None,
-              footer=None, charset=None, encoding=None, doctype=None, bodyattrs=None, script=None ):
-        """This method is used for complete documents with appropriate
-        doctype, encoding, title, etc information. For an HTML/XML snippet
-        omit this method.
-
-        lang --     language, usually a two character string, will appear
-                    as <html lang='en'> in html mode (ignored in xml mode)
-
-        css --      Cascading Style Sheet filename as a string or a list of
-                    strings for multiple css files (ignored in xml mode)
-
-        metainfo -- a dictionary in the form { 'name':'content' } to be inserted
-                    into meta element(s) as <meta name='name' content='content'>
-                    (ignored in xml mode)
-
-        bodyattrs --a dictionary in the form { 'key':'value', ... } which will be added
-                    as attributes of the <body> element as <body key='value' ... >
-                    (ignored in xml mode)
-
-        script --   dictionary containing src:type pairs, <script type='text/type' src=src></script>
-
-        title --    the title of the document as a string to be inserted into
-                    a title element as <title>my title</title> (ignored in xml mode)
-
-        header --   some text to be inserted right after the <body> element
-                    (ignored in xml mode)
-
-        footer --   some text to be inserted right before the </body> element
-                    (ignored in xml mode)
-
-        charset --  a string defining the character set, will be inserted into a
-                    <meta http-equiv='Content-Type' content='text/html; charset=myset'>
-                    element (ignored in xml mode)
-
-        encoding -- a string defining the encoding, will be put into to first line of
-                    the document as <?xml version='1.0' encoding='myencoding' ?> in
-                    xml mode (ignored in html mode)
-
-        doctype --  the document type string, defaults to
-                    <!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>
-                    in html mode (ignored in xml mode)"""
-
-        self._full = True
-
-        if self.mode == 'strict_html' or self.mode == 'loose_html':
-            if doctype is None:
-                doctype = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN'>"
-            self.header.append( doctype )
-            self.html( lang=lang )
-            self.head( )
-            if charset is not None:
-                self.meta( http_equiv='Content-Type', content="text/html; charset=%s" % charset )
-            if metainfo is not None:
-                self.metainfo( metainfo )
-            if css is not None:
-                self.css( css )
-            if title is not None:
-                self.title( title )
-            if script is not None:
-                self.scripts( script )
-            self.head.close()
-            if bodyattrs is not None:
-                self.body( **bodyattrs )
-            else:
-                self.body( )
-            if header is not None:
-                self.content.append( header )
-            if footer is not None:
-                self.footer.append( footer )
-
-        elif self.mode == 'xml':
-            if doctype is None:
-                if encoding is not None:
-                    doctype = "<?xml version='1.0' encoding='%s' ?>" % encoding
-                else:
-                    doctype = "<?xml version='1.0' ?>"
-            self.header.append( doctype )
-
-    def css( self, filelist ):
-        """This convenience function is only useful for html.
-        It adds css stylesheet(s) to the document via the <link> element."""
-
-        if isinstance( filelist, str ):
-            self.link( href=filelist, rel='stylesheet', type='text/css', media='all' )
-        else:
-            for file in filelist:
-                self.link( href=file, rel='stylesheet', type='text/css', media='all' )
-
-    def metainfo( self, mydict ):
-        """This convenience function is only useful for html.
-        It adds meta information via the <meta> element, the argument is
-        a dictionary of the form { 'name':'content' }."""
-
-        if isinstance( mydict, dict ):
-            for name, content in mydict.items( ):
-                self.meta( name=name, content=content )
-        else:
-            raise TypeError("Metainfo should be called with a dictionary argument of name:content pairs.")
-
-    def scripts( self, mydict ):
-        """Only useful in html, mydict is dictionary of src:type pairs will
-        be rendered as <script type='text/type' src=src></script>"""
-
-        if isinstance( mydict, dict ):
-            for src, type in mydict.items( ):
-                self.script( '', src=src, type='text/%s' % type )
-        else:
-            raise TypeError("Script should be given a dictionary of src:type pairs.")
-
-
-class _oneliner:
-    """An instance of oneliner returns a string corresponding to one element.
-    This class can be used to write 'oneliners' that return a string
-    immediately so there is no need to instantiate the page class."""
-
-    def __init__( self, case='lower' ):
-        self.case = case
-
-    def __getattr__( self, attr ):
-        if attr.startswith("__") and attr.endswith("__"):
-            raise AttributeError(attr)
-        return element( attr, case=self.case, parent=None )
-
-oneliner = _oneliner( case='lower' )
-upper_oneliner = _oneliner( case='upper' )
-
-def _argsdicts( args, mydict ):
-    """A utility generator that pads argument list and dictionary values, will only be called with len( args ) = 0, 1."""
-
-    if len( args ) == 0:
-        args = None,
-    elif len( args ) == 1:
-        args = _totuple( args[0] )
-    else:
-        raise Exception("We should have never gotten here.")
-
-    mykeys = list(mydict.keys( ))
-    myvalues = list(map( _totuple, list(mydict.values( )) ))
-
-    maxlength = max( list(map( len, [ args ] + myvalues )) )
-
-    for i in range( maxlength ):
-        thisdict = { }
-        for key, value in zip( mykeys, myvalues ):
-            try:
-                thisdict[ key ] = value[i]
-            except IndexError:
-                thisdict[ key ] = value[-1]
-        try:
-            thisarg = args[i]
-        except IndexError:
-            thisarg = args[-1]
-
-        yield thisarg, thisdict
-
-def _totuple( x ):
-    """Utility stuff to convert string, int, float, None or anything to a usable tuple."""
-
-    if isinstance( x, str ):
-        out = x,
-    elif isinstance( x, ( int, float ) ):
-        out = str( x ),
-    elif x is None:
-        out = None,
-    else:
-        out = tuple( x )
-
-    return out
-
-def escape( text, newline=False ):
-    """Escape special html characters."""
-
-    if isinstance( text, str ):
-        if '&' in text:
-            text = text.replace( '&', '&amp;' )
-        if '>' in text:
-            text = text.replace( '>', '&gt;' )
-        if '<' in text:
-            text = text.replace( '<', '&lt;' )
-        if '\"' in text:
-            text = text.replace( '\"', '&quot;' )
-        if '\'' in text:
-            text = text.replace( '\'', '&quot;' )
-        if newline:
-            if '\n' in text:
-                text = text.replace( '\n', '<br>' )
-
-    return text
-
-_escape = escape
-
-def unescape( text ):
-    """Inverse of escape."""
-
-    if isinstance( text, str ):
-        if '&amp;' in text:
-            text = text.replace( '&amp;', '&' )
-        if '&gt;' in text:
-            text = text.replace( '&gt;', '>' )
-        if '&lt;' in text:
-            text = text.replace( '&lt;', '<' )
-        if '&quot;' in text:
-            text = text.replace( '&quot;', '\"' )
-
-    return text
-
-class dummy:
-    """A dummy class for attaching attributes."""
-    pass
-
-doctype = dummy( )
-doctype.frameset = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Frameset//EN' 'http://www.w3.org/TR/html4/frameset.dtd'>"
-doctype.strict = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'>"
-doctype.loose = "<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01 Transitional//EN' 'http://www.w3.org/TR/html4/loose.dtd'>"
-
-class russell:
-    """A dummy class that contains anything."""
-
-    def __contains__( self, item ):
-        return True
-
-
-class MarkupError( Exception ):
-    """All our exceptions subclass this."""
-    def __str__( self ):
-        return self.message
-
-class ClosingError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' does not accept non-keyword arguments (has no closing tag)." % tag
-
-class OpeningError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' can not be opened." % tag
-
-class ArgumentError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' was called with more than one non-keyword argument." % tag
-
-class InvalidElementError( MarkupError ):
-    def __init__( self, tag, mode ):
-        self.message = "The element '%s' is not valid for your mode '%s'." % ( tag, mode )
-
-class DeprecationError( MarkupError ):
-    def __init__( self, tag ):
-        self.message = "The element '%s' is deprecated, instantiate markup.page with mode='loose_html' to allow it." % tag
-
-class ModeError( MarkupError ):
-    def __init__( self, mode ):
-        self.message = "Mode '%s' is invalid, possible values: strict_html, loose_html, xml." % mode
-
-class CustomizationError( MarkupError ):
-    def __init__( self ):
-        self.message = "If you customize the allowed elements, you must define both types 'onetags' and 'twotags'."
-
-if __name__ == '__main__':
-    print(__doc__)
diff --git a/test_tablib.py b/test_tablib.py
index aad1668..011a69b 100755
--- a/test_tablib.py
+++ b/test_tablib.py
@@ -10,8 +10,9 @@ import sys
 import unittest
 from uuid import uuid4
 
+from MarkupPy import markup
 import tablib
-from tablib.compat import markup, unicode, is_py3
+from tablib.compat import unicode, is_py3
 from tablib.core import Row
 from tablib.formats import _csv as csv_module