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Commit 877b10ad authored by Georg Brandl's avatar Georg Brandl
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Remove the htmllib and sgmllib modules as per PEP 3108.

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Doc/library/formatter.rst
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:mod:`formatter` --- Generic output formatting
==============================================
......@@ -6,12 +5,9 @@
:synopsis: Generic output formatter and device interface.
.. index:: single: HTMLParser (class in htmllib)
This module supports two interface definitions, each with multiple
implementations. The *formatter* interface is used by the :class:`HTMLParser`
class of the :mod:`htmllib` module, and the *writer* interface is required by
the formatter interface.
implementations: The *formatter* interface, and the *writer* interface which is
required by the formatter interface.
Formatter objects transform an abstract flow of formatting events into specific
output events on writer objects. Formatters manage several stack structures to
......
Doc/library/html.entities.rst
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......@@ -7,11 +7,10 @@
This module defines three dictionaries, ``name2codepoint``, ``codepoint2name``,
and ``entitydefs``. ``entitydefs`` is used by the :mod:`htmllib` module to
provide the :attr:`entitydefs` member of the :class:`html.parser.HTMLParser`
class. The definition provided here contains all the entities defined by XHTML
1.0 that can be handled using simple textual substitution in the Latin-1
character set (ISO-8859-1).
and ``entitydefs``. ``entitydefs`` is used to provide the :attr:`entitydefs`
member of the :class:`html.parser.HTMLParser` class. The definition provided
here contains all the entities defined by XHTML 1.0 that can be handled using
simple textual substitution in the Latin-1 character set (ISO-8859-1).
.. data:: entitydefs
......
Doc/library/html.parser.rst
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......@@ -11,9 +11,6 @@
This module defines a class :class:`HTMLParser` which serves as the basis for
parsing text files formatted in HTML (HyperText Mark-up Language) and XHTML.
Unlike the parser in :mod:`htmllib`, this parser is not based on the SGML parser
in :mod:`sgmllib`.
.. class:: HTMLParser()
......@@ -23,9 +20,8 @@ in :mod:`sgmllib`.
begin and end. The :class:`HTMLParser` class is meant to be overridden by the
user to provide a desired behavior.
Unlike the parser in :mod:`htmllib`, this parser does not check that end tags
match start tags or call the end-tag handler for elements which are closed
implicitly by closing an outer element.
This parser does not check that end tags match start tags or call the end-tag
handler for elements which are closed implicitly by closing an outer element.
An exception is defined as well:
......
Doc/library/htmllib.rst deleted 100644 → 0
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:mod:`htmllib` --- A parser for HTML documents
==============================================
.. module:: htmllib
:synopsis: A parser for HTML documents.
.. index::
single: HTML
single: hypertext
.. index::
module: sgmllib
module: formatter
single: SGMLParser (in module sgmllib)
This module defines a class which can serve as a base for parsing text files
formatted in the HyperText Mark-up Language (HTML). The class is not directly
concerned with I/O --- it must be provided with input in string form via a
method, and makes calls to methods of a "formatter" object in order to produce
output. The :class:`HTMLParser` class is designed to be used as a base class
for other classes in order to add functionality, and allows most of its methods
to be extended or overridden. In turn, this class is derived from and extends
the :class:`SGMLParser` class defined in module :mod:`sgmllib`. The
:class:`HTMLParser` implementation supports the HTML 2.0 language as described
in :rfc:`1866`. Two implementations of formatter objects are provided in the
:mod:`formatter` module; refer to the documentation for that module for
information on the formatter interface.
The following is a summary of the interface defined by
:class:`sgmllib.SGMLParser`:
* The interface to feed data to an instance is through the :meth:`feed` method,
which takes a string argument. This can be called with as little or as much
text at a time as desired; ``p.feed(a); p.feed(b)`` has the same effect as
``p.feed(a+b)``. When the data contains complete HTML markup constructs, these
are processed immediately; incomplete constructs are saved in a buffer. To
force processing of all unprocessed data, call the :meth:`close` method.
For example, to parse the entire contents of a file, use::
parser.feed(open('myfile.html').read())
parser.close()
* The interface to define semantics for HTML tags is very simple: derive a class
and define methods called :meth:`start_tag`, :meth:`end_tag`, or :meth:`do_tag`.
The parser will call these at appropriate moments: :meth:`start_tag` or
:meth:`do_tag` is called when an opening tag of the form ``<tag ...>`` is
encountered; :meth:`end_tag` is called when a closing tag of the form ``<tag>``
is encountered. If an opening tag requires a corresponding closing tag, like
``<H1>`` ... ``</H1>``, the class should define the :meth:`start_tag` method; if
a tag requires no closing tag, like ``<P>``, the class should define the
:meth:`do_tag` method.
The module defines a parser class and an exception:
.. class:: HTMLParser(formatter)
This is the basic HTML parser class. It supports all entity names required by
the XHTML 1.0 Recommendation (http://www.w3.org/TR/xhtml1). It also defines
handlers for all HTML 2.0 and many HTML 3.0 and 3.2 elements.
.. exception:: HTMLParseError
Exception raised by the :class:`HTMLParser` class when it encounters an error
while parsing.
.. seealso::
Module :mod:`formatter`
Interface definition for transforming an abstract flow of formatting events into
specific output events on writer objects.
Module :mod:`html.parser`
Alternate HTML parser that offers a slightly lower-level view of the input, but
is designed to work with XHTML, and does not implement some of the SGML syntax
not used in "HTML as deployed" and which isn't legal for XHTML.
Module :mod:`html.entities`
Definition of replacement text for XHTML 1.0 entities.
Module :mod:`sgmllib`
Base class for :class:`HTMLParser`.
.. _html-parser-objects:
HTMLParser Objects
------------------
In addition to tag methods, the :class:`HTMLParser` class provides some
additional methods and instance variables for use within tag methods.
.. attribute:: HTMLParser.formatter
This is the formatter instance associated with the parser.
.. attribute:: HTMLParser.nofill
Boolean flag which should be true when whitespace should not be collapsed, or
false when it should be. In general, this should only be true when character
data is to be treated as "preformatted" text, as within a ``<PRE>`` element.
The default value is false. This affects the operation of :meth:`handle_data`
and :meth:`save_end`.
.. method:: HTMLParser.anchor_bgn(href, name, type)
This method is called at the start of an anchor region. The arguments
correspond to the attributes of the ``<A>`` tag with the same names. The
default implementation maintains a list of hyperlinks (defined by the ``HREF``
attribute for ``<A>`` tags) within the document. The list of hyperlinks is
available as the data attribute :attr:`anchorlist`.
.. method:: HTMLParser.anchor_end()
This method is called at the end of an anchor region. The default
implementation adds a textual footnote marker using an index into the list of
hyperlinks created by :meth:`anchor_bgn`.
.. method:: HTMLParser.handle_image(source, alt[, ismap[, align[, width[, height]]]])
This method is called to handle images. The default implementation simply
passes the *alt* value to the :meth:`handle_data` method.
.. method:: HTMLParser.save_bgn()
Begins saving character data in a buffer instead of sending it to the formatter
object. Retrieve the stored data via :meth:`save_end`. Use of the
:meth:`save_bgn` / :meth:`save_end` pair may not be nested.
.. method:: HTMLParser.save_end()
Ends buffering character data and returns all data saved since the preceding
call to :meth:`save_bgn`. If the :attr:`nofill` flag is false, whitespace is
collapsed to single spaces. A call to this method without a preceding call to
:meth:`save_bgn` will raise a :exc:`TypeError` exception.
Doc/library/markup.rst
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......@@ -23,8 +23,6 @@ definition of the Python bindings for the DOM and SAX interfaces.
html.parser.rst
html.entities.rst
sgmllib.rst
htmllib.rst
pyexpat.rst
xml.dom.rst
xml.dom.minidom.rst
......
Doc/library/sgmllib.rst deleted 100644 → 0
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:mod:`sgmllib` --- Simple SGML parser
=====================================
.. module:: sgmllib
:synopsis: Only as much of an SGML parser as needed to parse HTML.
.. index:: single: SGML
This module defines a class :class:`SGMLParser` which serves as the basis for
parsing text files formatted in SGML (Standard Generalized Mark-up Language).
In fact, it does not provide a full SGML parser --- it only parses SGML insofar
as it is used by HTML, and the module only exists as a base for the
:mod:`htmllib` module. Another HTML parser which supports XHTML and offers a
somewhat different interface is available in the :mod:`HTMLParser` module.
.. class:: SGMLParser()
The :class:`SGMLParser` class is instantiated without arguments. The parser is
hardcoded to recognize the following constructs:
* Opening and closing tags of the form ``<tag attr="value" ...>`` and
``</tag>``, respectively.
* Numeric character references of the form ``&#name;``.
* Entity references of the form ``&name;``.
* SGML comments of the form ``<!--text-->``. Note that spaces, tabs, and
newlines are allowed between the trailing ``>`` and the immediately preceding
``--``.
A single exception is defined as well:
.. exception:: SGMLParseError
Exception raised by the :class:`SGMLParser` class when it encounters an error
while parsing.
:class:`SGMLParser` instances have the following methods:
.. method:: SGMLParser.reset()
Reset the instance. Loses all unprocessed data. This is called implicitly at
instantiation time.
.. method:: SGMLParser.setnomoretags()
Stop processing tags. Treat all following input as literal input (CDATA).
(This is only provided so the HTML tag ``<PLAINTEXT>`` can be implemented.)
.. method:: SGMLParser.setliteral()
Enter literal mode (CDATA mode).
.. method:: SGMLParser.feed(data)
Feed some text to the parser. It is processed insofar as it consists of
complete elements; incomplete data is buffered until more data is fed or
:meth:`close` is called.
.. method:: SGMLParser.close()
Force processing of all buffered data as if it were followed by an end-of-file
mark. This method may be redefined by a derived class to define additional
processing at the end of the input, but the redefined version should always call
:meth:`close`.
.. method:: SGMLParser.get_starttag_text()
Return the text of the most recently opened start tag. This should not normally
be needed for structured processing, but may be useful in dealing with HTML "as
deployed" or for re-generating input with minimal changes (whitespace between
attributes can be preserved, etc.).
.. method:: SGMLParser.handle_starttag(tag, method, attributes)
This method is called to handle start tags for which either a :meth:`start_tag`
or :meth:`do_tag` method has been defined. The *tag* argument is the name of
the tag converted to lower case, and the *method* argument is the bound method
which should be used to support semantic interpretation of the start tag. The
*attributes* argument is a list of ``(name, value)`` pairs containing the
attributes found inside the tag's ``<>`` brackets.
The *name* has been translated to lower case. Double quotes and backslashes in
the *value* have been interpreted, as well as known character references and
known entity references terminated by a semicolon (normally, entity references
can be terminated by any non-alphanumerical character, but this would break the
very common case of ``<A HREF="url?spam=1&eggs=2">`` when ``eggs`` is a valid
entity name).
For instance, for the tag ``<A HREF="http://www.cwi.nl/">``, this method would
be called as ``unknown_starttag('a', [('href', 'http://www.cwi.nl/')])``. The
base implementation simply calls *method* with *attributes* as the only
argument.
.. method:: SGMLParser.handle_endtag(tag, method)
This method is called to handle endtags for which an :meth:`end_tag` method has
been defined. The *tag* argument is the name of the tag converted to lower
case, and the *method* argument is the bound method which should be used to
support semantic interpretation of the end tag. If no :meth:`end_tag` method is
defined for the closing element, this handler is not called. The base
implementation simply calls *method*.
.. method:: SGMLParser.handle_data(data)
This method is called to process arbitrary data. It is intended to be
overridden by a derived class; the base class implementation does nothing.
.. method:: SGMLParser.handle_charref(ref)
This method is called to process a character reference of the form ``&#ref;``.
The base implementation uses :meth:`convert_charref` to convert the reference to
a string. If that method returns a string, it is passed to :meth:`handle_data`,
otherwise ``unknown_charref(ref)`` is called to handle the error.
.. method:: SGMLParser.convert_charref(ref)
Convert a character reference to a string, or ``None``. *ref* is the reference
passed in as a string. In the base implementation, *ref* must be a decimal
number in the range 0-255. It converts the code point found using the
:meth:`convert_codepoint` method. If *ref* is invalid or out of range, this
method returns ``None``. This method is called by the default
:meth:`handle_charref` implementation and by the attribute value parser.
.. method:: SGMLParser.convert_codepoint(codepoint)
Convert a codepoint to a :class:`str` value. Encodings can be handled here if
appropriate, though the rest of :mod:`sgmllib` is oblivious on this matter.
.. method:: SGMLParser.handle_entityref(ref)
This method is called to process a general entity reference of the form
``&ref;`` where *ref* is an general entity reference. It converts *ref* by
passing it to :meth:`convert_entityref`. If a translation is returned, it calls
the method :meth:`handle_data` with the translation; otherwise, it calls the
method ``unknown_entityref(ref)``. The default :attr:`entitydefs` defines
translations for ``&amp;``, ``&apos``, ``&gt;``, ``&lt;``, and ``&quot;``.
.. method:: SGMLParser.convert_entityref(ref)
Convert a named entity reference to a :class:`str` value, or ``None``. The
resulting value will not be parsed. *ref* will be only the name of the entity.
The default implementation looks for *ref* in the instance (or class) variable
:attr:`entitydefs` which should be a mapping from entity names to corresponding
translations. If no translation is available for *ref*, this method returns
``None``. This method is called by the default :meth:`handle_entityref`
implementation and by the attribute value parser.
.. method:: SGMLParser.handle_comment(comment)
This method is called when a comment is encountered. The *comment* argument is
a string containing the text between the ``<!--`` and ``-->`` delimiters, but
not the delimiters themselves. For example, the comment ``<!--text-->`` will
cause this method to be called with the argument ``'text'``. The default method
does nothing.
.. method:: SGMLParser.handle_decl(data)
Method called when an SGML declaration is read by the parser. In practice, the
``DOCTYPE`` declaration is the only thing observed in HTML, but the parser does
not discriminate among different (or broken) declarations. Internal subsets in
a ``DOCTYPE`` declaration are not supported. The *data* parameter will be the
entire contents of the declaration inside the ``<!``...\ ``>`` markup. The
default implementation does nothing.
.. method:: SGMLParser.report_unbalanced(tag)
This method is called when an end tag is found which does not correspond to any
open element.
.. method:: SGMLParser.unknown_starttag(tag, attributes)
This method is called to process an unknown start tag. It is intended to be
overridden by a derived class; the base class implementation does nothing.
.. method:: SGMLParser.unknown_endtag(tag)
This method is called to process an unknown end tag. It is intended to be
overridden by a derived class; the base class implementation does nothing.
.. method:: SGMLParser.unknown_charref(ref)
This method is called to process unresolvable numeric character references.
Refer to :meth:`handle_charref` to determine what is handled by default. It is
intended to be overridden by a derived class; the base class implementation does
nothing.
.. method:: SGMLParser.unknown_entityref(ref)
This method is called to process an unknown entity reference. It is intended to
be overridden by a derived class; the base class implementation does nothing.
Apart from overriding or extending the methods listed above, derived classes may
also define methods of the following form to define processing of specific tags.
Tag names in the input stream are case independent; the *tag* occurring in
method names must be in lower case:
.. method:: SGMLParser.start_tag(attributes)
:noindex:
This method is called to process an opening tag *tag*. It has preference over
:meth:`do_tag`. The *attributes* argument has the same meaning as described for
:meth:`handle_starttag` above.
.. method:: SGMLParser.do_tag(attributes)
:noindex:
This method is called to process an opening tag *tag* for which no
:meth:`start_tag` method is defined. The *attributes* argument has the same
meaning as described for :meth:`handle_starttag` above.
.. method:: SGMLParser.end_tag()
:noindex:
This method is called to process a closing tag *tag*.
Note that the parser maintains a stack of open elements for which no end tag has
been found yet. Only tags processed by :meth:`start_tag` are pushed on this
stack. Definition of an :meth:`end_tag` method is optional for these tags. For
tags processed by :meth:`do_tag` or by :meth:`unknown_tag`, no :meth:`end_tag`
method must be defined; if defined, it will not be used. If both
:meth:`start_tag` and :meth:`do_tag` methods exist for a tag, the
:meth:`start_tag` method takes precedence.
Doc/library/urllib.rst
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......@@ -389,14 +389,13 @@ URL Opener objects
.. index::
single: HTML
pair: HTTP; protocol
module: htmllib
* The data returned by :func:`urlopen` or :func:`urlretrieve` is the raw data
returned by the server. This may be binary data (such as an image), plain text
or (for example) HTML. The HTTP protocol provides type information in the reply
header, which can be inspected by looking at the :mailheader:`Content-Type`
header. If the returned data is HTML, you can use the module :mod:`htmllib` to
parse it.
header. If the returned data is HTML, you can use the module
:mod:`html.parser` to parse it.
.. index:: single: FTP
......
Lib/_markupbase.py
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"""Shared support for scanning document type declarations in HTML and XHTML.
This module is used as a foundation for the HTMLParser and sgmllib
modules (indirectly, for htmllib as well). It has no documented
public API and should not be used directly.
This module is used as a foundation for the html.parser module. It has no
documented public API and should not be used directly.
"""
......
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"""HTML 2.0 parser.
See the HTML 2.0 specification:
http://www.w3.org/hypertext/WWW/MarkUp/html-spec/html-spec_toc.html
"""
import sgmllib
from formatter import AS_IS
__all__ = ["HTMLParser", "HTMLParseError"]
class HTMLParseError(sgmllib.SGMLParseError):
"""Error raised when an HTML document can't be parsed."""
class HTMLParser(sgmllib.SGMLParser):
"""This is the basic HTML parser class.
It supports all entity names required by the XHTML 1.0 Recommendation.
It also defines handlers for all HTML 2.0 and many HTML 3.0 and 3.2
elements.
"""
from html.entities import entitydefs
def __init__(self, formatter, verbose=0):
"""Creates an instance of the HTMLParser class.
The formatter parameter is the formatter instance associated with
the parser.
"""
sgmllib.SGMLParser.__init__(self, verbose)
self.formatter = formatter
def error(self, message):
raise HTMLParseError(message)
def reset(self):
sgmllib.SGMLParser.reset(self)
self.savedata = None
self.isindex = 0
self.title = None
self.base = None
self.anchor = None
self.anchorlist = []
self.nofill = 0
self.list_stack = []
# ------ Methods used internally; some may be overridden
# --- Formatter interface, taking care of 'savedata' mode;
# shouldn't need to be overridden
def handle_data(self, data):
if self.savedata is not None:
self.savedata = self.savedata + data
else:
if self.nofill:
self.formatter.add_literal_data(data)
else:
self.formatter.add_flowing_data(data)
# --- Hooks to save data; shouldn't need to be overridden
def save_bgn(self):
"""Begins saving character data in a buffer instead of sending it
to the formatter object.
Retrieve the stored data via the save_end() method. Use of the
save_bgn() / save_end() pair may not be nested.
"""
self.savedata = ''
def save_end(self):
"""Ends buffering character data and returns all data saved since
the preceding call to the save_bgn() method.
If the nofill flag is false, whitespace is collapsed to single
spaces. A call to this method without a preceding call to the
save_bgn() method will raise a TypeError exception.
"""
data = self.savedata
self.savedata = None
if not self.nofill:
data = ' '.join(data.split())
return data
# --- Hooks for anchors; should probably be overridden
def anchor_bgn(self, href, name, type):
"""This method is called at the start of an anchor region.
The arguments correspond to the attributes of the <A> tag with
the same names. The default implementation maintains a list of
hyperlinks (defined by the HREF attribute for <A> tags) within
the document. The list of hyperlinks is available as the data
attribute anchorlist.
"""
self.anchor = href
if self.anchor:
self.anchorlist.append(href)
def anchor_end(self):
"""This method is called at the end of an anchor region.
The default implementation adds a textual footnote marker using an
index into the list of hyperlinks created by the anchor_bgn()method.
"""
if self.anchor:
self.handle_data("[%d]" % len(self.anchorlist))
self.anchor = None
# --- Hook for images; should probably be overridden
def handle_image(self, src, alt, *args):
"""This method is called to handle images.
The default implementation simply passes the alt value to the
handle_data() method.
"""
self.handle_data(alt)
# --------- Top level elememts
def start_html(self, attrs): pass
def end_html(self): pass
def start_head(self, attrs): pass
def end_head(self): pass
def start_body(self, attrs): pass
def end_body(self): pass
# ------ Head elements
def start_title(self, attrs):
self.save_bgn()
def end_title(self):
self.title = self.save_end()
def do_base(self, attrs):
for a, v in attrs:
if a == 'href':
self.base = v
def do_isindex(self, attrs):
self.isindex = 1
def do_link(self, attrs):
pass
def do_meta(self, attrs):
pass
def do_nextid(self, attrs): # Deprecated
pass
# ------ Body elements
# --- Headings
def start_h1(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h1', 0, 1, 0))
def end_h1(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
def start_h2(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h2', 0, 1, 0))
def end_h2(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
def start_h3(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h3', 0, 1, 0))
def end_h3(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
def start_h4(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h4', 0, 1, 0))
def end_h4(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
def start_h5(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h5', 0, 1, 0))
def end_h5(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
def start_h6(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font(('h6', 0, 1, 0))
def end_h6(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
# --- Block Structuring Elements
def do_p(self, attrs):
self.formatter.end_paragraph(1)
def start_pre(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_font((AS_IS, AS_IS, AS_IS, 1))
self.nofill = self.nofill + 1
def end_pre(self):
self.formatter.end_paragraph(1)
self.formatter.pop_font()
self.nofill = max(0, self.nofill - 1)
def start_xmp(self, attrs):
self.start_pre(attrs)
self.setliteral('xmp') # Tell SGML parser
def end_xmp(self):
self.end_pre()
def start_listing(self, attrs):
self.start_pre(attrs)
self.setliteral('listing') # Tell SGML parser
def end_listing(self):
self.end_pre()
def start_address(self, attrs):
self.formatter.end_paragraph(0)
self.formatter.push_font((AS_IS, 1, AS_IS, AS_IS))
def end_address(self):
self.formatter.end_paragraph(0)
self.formatter.pop_font()
def start_blockquote(self, attrs):
self.formatter.end_paragraph(1)
self.formatter.push_margin('blockquote')
def end_blockquote(self):
self.formatter.end_paragraph(1)
self.formatter.pop_margin()
# --- List Elements
def start_ul(self, attrs):
self.formatter.end_paragraph(not self.list_stack)
self.formatter.push_margin('ul')
self.list_stack.append(['ul', '*', 0])
def end_ul(self):
if self.list_stack: del self.list_stack[-1]
self.formatter.end_paragraph(not self.list_stack)
self.formatter.pop_margin()
def do_li(self, attrs):
self.formatter.end_paragraph(0)
if self.list_stack:
[dummy, label, counter] = top = self.list_stack[-1]
top[2] = counter = counter+1
else:
label, counter = '*', 0
self.formatter.add_label_data(label, counter)
def start_ol(self, attrs):
self.formatter.end_paragraph(not self.list_stack)
self.formatter.push_margin('ol')
label = '1.'
for a, v in attrs:
if a == 'type':
if len(v) == 1: v = v + '.'
label = v
self.list_stack.append(['ol', label, 0])
def end_ol(self):
if self.list_stack: del self.list_stack[-1]
self.formatter.end_paragraph(not self.list_stack)
self.formatter.pop_margin()
def start_menu(self, attrs):
self.start_ul(attrs)
def end_menu(self):
self.end_ul()
def start_dir(self, attrs):
self.start_ul(attrs)
def end_dir(self):
self.end_ul()
def start_dl(self, attrs):
self.formatter.end_paragraph(1)
self.list_stack.append(['dl', '', 0])
def end_dl(self):
self.ddpop(1)
if self.list_stack: del self.list_stack[-1]
def do_dt(self, attrs):
self.ddpop()
def do_dd(self, attrs):
self.ddpop()
self.formatter.push_margin('dd')
self.list_stack.append(['dd', '', 0])
def ddpop(self, bl=0):
self.formatter.end_paragraph(bl)
if self.list_stack:
if self.list_stack[-1][0] == 'dd':
del self.list_stack[-1]
self.formatter.pop_margin()
# --- Phrase Markup
# Idiomatic Elements
def start_cite(self, attrs): self.start_i(attrs)
def end_cite(self): self.end_i()
def start_code(self, attrs): self.start_tt(attrs)
def end_code(self): self.end_tt()
def start_em(self, attrs): self.start_i(attrs)
def end_em(self): self.end_i()
def start_kbd(self, attrs): self.start_tt(attrs)
def end_kbd(self): self.end_tt()
def start_samp(self, attrs): self.start_tt(attrs)
def end_samp(self): self.end_tt()
def start_strong(self, attrs): self.start_b(attrs)
def end_strong(self): self.end_b()
def start_var(self, attrs): self.start_i(attrs)
def end_var(self): self.end_i()
# Typographic Elements
def start_i(self, attrs):
self.formatter.push_font((AS_IS, 1, AS_IS, AS_IS))
def end_i(self):
self.formatter.pop_font()
def start_b(self, attrs):
self.formatter.push_font((AS_IS, AS_IS, 1, AS_IS))
def end_b(self):
self.formatter.pop_font()
def start_tt(self, attrs):
self.formatter.push_font((AS_IS, AS_IS, AS_IS, 1))
def end_tt(self):
self.formatter.pop_font()
def start_a(self, attrs):
href = ''
name = ''
type = ''
for attrname, value in attrs:
value = value.strip()
if attrname == 'href':
href = value
if attrname == 'name':
name = value
if attrname == 'type':
type = value.lower()
self.anchor_bgn(href, name, type)
def end_a(self):
self.anchor_end()
# --- Line Break
def do_br(self, attrs):
self.formatter.add_line_break()
# --- Horizontal Rule
def do_hr(self, attrs):
self.formatter.add_hor_rule()
# --- Image
def do_img(self, attrs):
align = ''
alt = '(image)'
ismap = ''
src = ''
width = 0
height = 0
for attrname, value in attrs:
if attrname == 'align':
align = value
if attrname == 'alt':
alt = value
if attrname == 'ismap':
ismap = value
if attrname == 'src':
src = value
if attrname == 'width':
try: width = int(value)
except ValueError: pass
if attrname == 'height':
try: height = int(value)
except ValueError: pass
self.handle_image(src, alt, ismap, align, width, height)
# --- Really Old Unofficial Deprecated Stuff
def do_plaintext(self, attrs):
self.start_pre(attrs)
self.setnomoretags() # Tell SGML parser
# --- Unhandled tags
def unknown_starttag(self, tag, attrs):
pass
def unknown_endtag(self, tag):
pass
def test(args = None):
import sys, formatter
if not args:
args = sys.argv[1:]
silent = args and args[0] == '-s'
if silent:
del args[0]
if args:
file = args[0]
else:
file = 'test.html'
if file == '-':
f = sys.stdin
else:
try:
f = open(file, 'r')
except IOError as msg:
print(file, ":", msg)
sys.exit(1)
data = f.read()
if f is not sys.stdin:
f.close()
if silent:
f = formatter.NullFormatter()
else:
f = formatter.AbstractFormatter(formatter.DumbWriter())
p = HTMLParser(f)
p.feed(data)
p.close()
if __name__ == '__main__':
test()
Lib/sgmllib.py deleted 100644 → 0
View file @ 6b38daa8
"""A parser for SGML, using the derived class as a static DTD."""
# XXX This only supports those SGML features used by HTML.
# XXX There should be a way to distinguish between PCDATA (parsed
# character data -- the normal case), RCDATA (replaceable character
# data -- only char and entity references and end tags are special)
# and CDATA (character data -- only end tags are special). RCDATA is
# not supported at all.
import _markupbase
import re
__all__ = ["SGMLParser", "SGMLParseError"]
# Regular expressions used for parsing
interesting = re.compile('[&<]')
incomplete = re.compile('&([a-zA-Z][a-zA-Z0-9]*|#[0-9]*)?|'
'<([a-zA-Z][^<>]*|'
'/([a-zA-Z][^<>]*)?|'
'![^<>]*)?')
entityref = re.compile('&([a-zA-Z][-.a-zA-Z0-9]*)[^a-zA-Z0-9]')
charref = re.compile('&#([0-9]+)[^0-9]')
starttagopen = re.compile('<[>a-zA-Z]')
shorttagopen = re.compile('<[a-zA-Z][-.a-zA-Z0-9]*/')
shorttag = re.compile('<([a-zA-Z][-.a-zA-Z0-9]*)/([^/]*)/')
piclose = re.compile('>')
endbracket = re.compile('[<>]')
tagfind = re.compile('[a-zA-Z][-_.a-zA-Z0-9]*')
attrfind = re.compile(
r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)(\s*=\s*'
r'(\'[^\']*\'|"[^"]*"|[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*))?')
class SGMLParseError(RuntimeError):
"""Exception raised for all parse errors."""
pass
# SGML parser base class -- find tags and call handler functions.
# Usage: p = SGMLParser(); p.feed(data); ...; p.close().
# The dtd is defined by deriving a class which defines methods
# with special names to handle tags: start_foo and end_foo to handle
# <foo> and </foo>, respectively, or do_foo to handle <foo> by itself.
# (Tags are converted to lower case for this purpose.) The data
# between tags is passed to the parser by calling self.handle_data()
# with some data as argument (the data may be split up in arbitrary
# chunks). Entity references are passed by calling
# self.handle_entityref() with the entity reference as argument.
class SGMLParser(_markupbase.ParserBase):
# Definition of entities -- derived classes may override
entity_or_charref = re.compile('&(?:'
'([a-zA-Z][-.a-zA-Z0-9]*)|#([0-9]+)'
')(;?)')
def __init__(self, verbose=0):
"""Initialize and reset this instance."""
self.verbose = verbose
self.reset()
def reset(self):
"""Reset this instance. Loses all unprocessed data."""
self.__starttag_text = None
self.rawdata = ''
self.stack = []
self.lasttag = '???'
self.nomoretags = 0
self.literal = 0
_markupbase.ParserBase.reset(self)
def setnomoretags(self):
"""Enter literal mode (CDATA) till EOF.
Intended for derived classes only.
"""
self.nomoretags = self.literal = 1
def setliteral(self, *args):
"""Enter literal mode (CDATA).
Intended for derived classes only.
"""
self.literal = 1
def feed(self, data):
"""Feed some data to the parser.
Call this as often as you want, with as little or as much text
as you want (may include '\n'). (This just saves the text,
all the processing is done by goahead().)
"""
self.rawdata = self.rawdata + data
self.goahead(0)
def close(self):
"""Handle the remaining data."""
self.goahead(1)
def error(self, message):
raise SGMLParseError(message)
# Internal -- handle data as far as reasonable. May leave state
# and data to be processed by a subsequent call. If 'end' is
# true, force handling all data as if followed by EOF marker.
def goahead(self, end):
rawdata = self.rawdata
i = 0
n = len(rawdata)
while i < n:
if self.nomoretags:
self.handle_data(rawdata[i:n])
i = n
break
match = interesting.search(rawdata, i)
if match: j = match.start()
else: j = n
if i < j:
self.handle_data(rawdata[i:j])
i = j
if i == n: break
if rawdata[i] == '<':
if starttagopen.match(rawdata, i):
if self.literal:
self.handle_data(rawdata[i])
i = i+1
continue
k = self.parse_starttag(i)
if k < 0: break
i = k
continue
if rawdata.startswith("</", i):
k = self.parse_endtag(i)
if k < 0: break
i = k
self.literal = 0
continue
if self.literal:
if n > (i + 1):
self.handle_data("<")
i = i+1
else:
# incomplete
break
continue
if rawdata.startswith("<!--", i):
# Strictly speaking, a comment is --.*--
# within a declaration tag <!...>.
# This should be removed,
# and comments handled only in parse_declaration.
k = self.parse_comment(i)
if k < 0: break
i = k
continue
if rawdata.startswith("<?", i):
k = self.parse_pi(i)
if k < 0: break
i = i+k
continue
if rawdata.startswith("<!", i):
# This is some sort of declaration; in "HTML as
# deployed," this should only be the document type
# declaration ("<!DOCTYPE html...>").
k = self.parse_declaration(i)
if k < 0: break
i = k
continue
elif rawdata[i] == '&':
if self.literal:
self.handle_data(rawdata[i])
i = i+1
continue
match = charref.match(rawdata, i)
if match:
name = match.group(1)
self.handle_charref(name)
i = match.end(0)
if rawdata[i-1] != ';': i = i-1
continue
match = entityref.match(rawdata, i)
if match:
name = match.group(1)
self.handle_entityref(name)
i = match.end(0)
if rawdata[i-1] != ';': i = i-1
continue
else:
self.error('neither < nor & ??')
# We get here only if incomplete matches but
# nothing else
match = incomplete.match(rawdata, i)
if not match:
self.handle_data(rawdata[i])
i = i+1
continue
j = match.end(0)
if j == n:
break # Really incomplete
self.handle_data(rawdata[i:j])
i = j
# end while
if end and i < n:
self.handle_data(rawdata[i:n])
i = n
self.rawdata = rawdata[i:]
# XXX if end: check for empty stack
# Extensions for the DOCTYPE scanner:
_decl_otherchars = '='
# Internal -- parse processing instr, return length or -1 if not terminated
def parse_pi(self, i):
rawdata = self.rawdata
if rawdata[i:i+2] != '<?':
self.error('unexpected call to parse_pi()')
match = piclose.search(rawdata, i+2)
if not match:
return -1
j = match.start(0)
self.handle_pi(rawdata[i+2: j])
j = match.end(0)
return j-i
def get_starttag_text(self):
return self.__starttag_text
# Internal -- handle starttag, return length or -1 if not terminated
def parse_starttag(self, i):
self.__starttag_text = None
start_pos = i
rawdata = self.rawdata
if shorttagopen.match(rawdata, i):
# SGML shorthand: <tag/data/ == <tag>data</tag>
# XXX Can data contain &... (entity or char refs)?
# XXX Can data contain < or > (tag characters)?
# XXX Can there be whitespace before the first /?
match = shorttag.match(rawdata, i)
if not match:
return -1
tag, data = match.group(1, 2)
self.__starttag_text = '<%s/' % tag
tag = tag.lower()
k = match.end(0)
self.finish_shorttag(tag, data)
self.__starttag_text = rawdata[start_pos:match.end(1) + 1]
return k
# XXX The following should skip matching quotes (' or ")
# As a shortcut way to exit, this isn't so bad, but shouldn't
# be used to locate the actual end of the start tag since the
# < or > characters may be embedded in an attribute value.
match = endbracket.search(rawdata, i+1)
if not match:
return -1
j = match.start(0)
# Now parse the data between i+1 and j into a tag and attrs
attrs = []
if rawdata[i:i+2] == '<>':
# SGML shorthand: <> == <last open tag seen>
k = j
tag = self.lasttag
else:
match = tagfind.match(rawdata, i+1)
if not match:
self.error('unexpected call to parse_starttag')
k = match.end(0)
tag = rawdata[i+1:k].lower()
self.lasttag = tag
while k < j:
match = attrfind.match(rawdata, k)
if not match: break
attrname, rest, attrvalue = match.group(1, 2, 3)
if not rest:
attrvalue = attrname
else:
if (attrvalue[:1] == "'" == attrvalue[-1:] or
attrvalue[:1] == '"' == attrvalue[-1:]):
# strip quotes
attrvalue = attrvalue[1:-1]
attrvalue = self.entity_or_charref.sub(
self._convert_ref, attrvalue)
attrs.append((attrname.lower(), attrvalue))
k = match.end(0)
if rawdata[j] == '>':
j = j+1
self.__starttag_text = rawdata[start_pos:j]
self.finish_starttag(tag, attrs)
return j
# Internal -- convert entity or character reference
def _convert_ref(self, match):
if match.group(2):
return self.convert_charref(match.group(2)) or \
'&#%s%s' % match.groups()[1:]
elif match.group(3):
return self.convert_entityref(match.group(1)) or \
'&%s;' % match.group(1)
else:
return '&%s' % match.group(1)
# Internal -- parse endtag
def parse_endtag(self, i):
rawdata = self.rawdata
match = endbracket.search(rawdata, i+1)
if not match:
return -1
j = match.start(0)
tag = rawdata[i+2:j].strip().lower()
if rawdata[j] == '>':
j = j+1
self.finish_endtag(tag)
return j
# Internal -- finish parsing of <tag/data/ (same as <tag>data</tag>)
def finish_shorttag(self, tag, data):
self.finish_starttag(tag, [])
self.handle_data(data)
self.finish_endtag(tag)
# Internal -- finish processing of start tag
# Return -1 for unknown tag, 0 for open-only tag, 1 for balanced tag
def finish_starttag(self, tag, attrs):
try:
method = getattr(self, 'start_' + tag)
except AttributeError:
try:
method = getattr(self, 'do_' + tag)
except AttributeError:
self.unknown_starttag(tag, attrs)
return -1
else:
self.handle_starttag(tag, method, attrs)
return 0
else:
self.stack.append(tag)
self.handle_starttag(tag, method, attrs)
return 1
# Internal -- finish processing of end tag
def finish_endtag(self, tag):
if not tag:
found = len(self.stack) - 1
if found < 0:
self.unknown_endtag(tag)
return
else:
if tag not in self.stack:
try:
method = getattr(self, 'end_' + tag)
except AttributeError:
self.unknown_endtag(tag)
else:
self.report_unbalanced(tag)
return
found = len(self.stack)
for i in range(found):
if self.stack[i] == tag: found = i
while len(self.stack) > found:
tag = self.stack[-1]
try:
method = getattr(self, 'end_' + tag)
except AttributeError:
method = None
if method:
self.handle_endtag(tag, method)
else:
self.unknown_endtag(tag)
del self.stack[-1]
# Overridable -- handle start tag
def handle_starttag(self, tag, method, attrs):
method(attrs)
# Overridable -- handle end tag
def handle_endtag(self, tag, method):
method()
# Example -- report an unbalanced </...> tag.
def report_unbalanced(self, tag):
if self.verbose:
print('*** Unbalanced </' + tag + '>')
print('*** Stack:', self.stack)
def convert_charref(self, name):
"""Convert character reference, may be overridden."""
try:
n = int(name)
except ValueError:
return
if not 0 <= n <= 255:
return
return self.convert_codepoint(n)
def convert_codepoint(self, codepoint):
return chr(codepoint)
def handle_charref(self, name):
"""Handle character reference, no need to override."""
replacement = self.convert_charref(name)
if replacement is None:
self.unknown_charref(name)
else:
self.handle_data(replacement)
# Definition of entities -- derived classes may override
entitydefs = \
{'lt': '<', 'gt': '>', 'amp': '&', 'quot': '"', 'apos': '\''}
def convert_entityref(self, name):
"""Convert entity references.
As an alternative to overriding this method; one can tailor the
results by setting up the self.entitydefs mapping appropriately.
"""
table = self.entitydefs
if name in table:
return table[name]
else:
return
def handle_entityref(self, name):
"""Handle entity references, no need to override."""
replacement = self.convert_entityref(name)
if replacement is None:
self.unknown_entityref(name)
else:
self.handle_data(replacement)
# Example -- handle data, should be overridden
def handle_data(self, data):
pass
# Example -- handle comment, could be overridden
def handle_comment(self, data):
pass
# Example -- handle declaration, could be overridden
def handle_decl(self, decl):
pass
# Example -- handle processing instruction, could be overridden
def handle_pi(self, data):
pass
# To be overridden -- handlers for unknown objects
def unknown_starttag(self, tag, attrs): pass
def unknown_endtag(self, tag): pass
def unknown_charref(self, ref): pass
def unknown_entityref(self, ref): pass
class TestSGMLParser(SGMLParser):
def __init__(self, verbose=0):
self.testdata = ""
SGMLParser.__init__(self, verbose)
def handle_data(self, data):
self.testdata = self.testdata + data
if len(repr(self.testdata)) >= 70:
self.flush()
def flush(self):
data = self.testdata
if data:
self.testdata = ""
print('data:', repr(data))
def handle_comment(self, data):
self.flush()
r = repr(data)
if len(r) > 68:
r = r[:32] + '...' + r[-32:]
print('comment:', r)
def unknown_starttag(self, tag, attrs):
self.flush()
if not attrs:
print('start tag: <' + tag + '>')
else:
print('start tag: <' + tag, end=' ')
for name, value in attrs:
print(name + '=' + '"' + value + '"', end=' ')
print('>')
def unknown_endtag(self, tag):
self.flush()
print('end tag: </' + tag + '>')
def unknown_entityref(self, ref):
self.flush()
print('*** unknown entity ref: &' + ref + ';')
def unknown_charref(self, ref):
self.flush()
print('*** unknown char ref: &#' + ref + ';')
def unknown_decl(self, data):
self.flush()
print('*** unknown decl: [' + data + ']')
def close(self):
SGMLParser.close(self)
self.flush()
def test(args = None):
import sys
if args is None:
args = sys.argv[1:]
if args and args[0] == '-s':
args = args[1:]
klass = SGMLParser
else:
klass = TestSGMLParser
if args:
file = args[0]
else:
file = 'test.html'
if file == '-':
f = sys.stdin
else:
try:
f = open(file, 'r')
except IOError as msg:
print(file, ":", msg)
sys.exit(1)
data = f.read()
if f is not sys.stdin:
f.close()
x = klass()
for c in data:
x.feed(c)
x.close()
if __name__ == '__main__':
test()
Lib/test/test___all__.py
View file @ 877b10ad
......@@ -73,7 +73,6 @@ class AllTest(unittest.TestCase):
self.check_all("glob")
self.check_all("gzip")
self.check_all("heapq")
self.check_all("htmllib")
self.check_all("http.client")
self.check_all("ihooks")
self.check_all("imaplib")
......@@ -116,7 +115,6 @@ class AllTest(unittest.TestCase):
self.check_all("rlcompleter")
self.check_all("robotparser")
self.check_all("sched")
self.check_all("sgmllib")
self.check_all("shelve")
self.check_all("shlex")
self.check_all("shutil")
......
Lib/test/test_htmllib.py deleted 100644 → 0
View file @ 6b38daa8
import formatter
import htmllib
import unittest
from test import support
class AnchorCollector(htmllib.HTMLParser):
def __init__(self, *args, **kw):
self.__anchors = []
htmllib.HTMLParser.__init__(self, *args, **kw)
def get_anchor_info(self):
return self.__anchors
def anchor_bgn(self, *args):
self.__anchors.append(args)
class DeclCollector(htmllib.HTMLParser):
def __init__(self, *args, **kw):
self.__decls = []
htmllib.HTMLParser.__init__(self, *args, **kw)
def get_decl_info(self):
return self.__decls
def unknown_decl(self, data):
self.__decls.append(data)
class HTMLParserTestCase(unittest.TestCase):
def test_anchor_collection(self):
# See SF bug #467059.
parser = AnchorCollector(formatter.NullFormatter(), verbose=1)
parser.feed(
"""<a href='http://foo.org/' name='splat'> </a>
<a href='http://www.python.org/'> </a>
<a name='frob'> </a>
""")
parser.close()
self.assertEquals(parser.get_anchor_info(),
[('http://foo.org/', 'splat', ''),
('http://www.python.org/', '', ''),
('', 'frob', ''),
])
def test_decl_collection(self):
# See SF patch #545300
parser = DeclCollector(formatter.NullFormatter(), verbose=1)
parser.feed(
"""<html>
<body>
hallo
<![if !supportEmptyParas]>&nbsp;<![endif]>
</body>
</html>
""")
parser.close()
self.assertEquals(parser.get_decl_info(),
["if !supportEmptyParas",
"endif"
])
def test_main():
support.run_unittest(HTMLParserTestCase)
if __name__ == "__main__":
test_main()
Lib/test/test_sgmllib.py deleted 100644 → 0
View file @ 6b38daa8
import pprint
import re
import sgmllib
import unittest
from test import support
class EventCollector(sgmllib.SGMLParser):
def __init__(self):
self.events = []
self.append = self.events.append
sgmllib.SGMLParser.__init__(self)
def get_events(self):
# Normalize the list of events so that buffer artefacts don't
# separate runs of contiguous characters.
L = []
prevtype = None
for event in self.events:
type = event[0]
if type == prevtype == "data":
L[-1] = ("data", L[-1][1] + event[1])
else:
L.append(event)
prevtype = type
self.events = L
return L
# structure markup
def unknown_starttag(self, tag, attrs):
self.append(("starttag", tag, attrs))
def unknown_endtag(self, tag):
self.append(("endtag", tag))
# all other markup
def handle_comment(self, data):
self.append(("comment", data))
def handle_charref(self, data):
self.append(("charref", data))
def handle_data(self, data):
self.append(("data", data))
def handle_decl(self, decl):
self.append(("decl", decl))
def handle_entityref(self, data):
self.append(("entityref", data))
def handle_pi(self, data):
self.append(("pi", data))
def unknown_decl(self, decl):
self.append(("unknown decl", decl))
class CDATAEventCollector(EventCollector):
def start_cdata(self, attrs):
self.append(("starttag", "cdata", attrs))
self.setliteral()
class HTMLEntityCollector(EventCollector):
entity_or_charref = re.compile('(?:&([a-zA-Z][-.a-zA-Z0-9]*)'
'|&#(x[0-9a-zA-Z]+|[0-9]+))(;?)')
def convert_charref(self, name):
self.append(("charref", "convert", name))
if name[0] != "x":
return EventCollector.convert_charref(self, name)
def convert_codepoint(self, codepoint):
self.append(("codepoint", "convert", codepoint))
EventCollector.convert_codepoint(self, codepoint)
def convert_entityref(self, name):
self.append(("entityref", "convert", name))
return EventCollector.convert_entityref(self, name)
# These to record that they were called, then pass the call along
# to the default implementation so that it's actions can be
# recorded.
def handle_charref(self, data):
self.append(("charref", data))
sgmllib.SGMLParser.handle_charref(self, data)
def handle_entityref(self, data):
self.append(("entityref", data))
sgmllib.SGMLParser.handle_entityref(self, data)
class SGMLParserTestCase(unittest.TestCase):
collector = EventCollector
def get_events(self, source):
parser = self.collector()
try:
for s in source:
parser.feed(s)
parser.close()
except:
#self.events = parser.events
raise
return parser.get_events()
def check_events(self, source, expected_events):
try:
events = self.get_events(source)
except:
#import sys
#print >>sys.stderr, pprint.pformat(self.events)
raise
if events != expected_events:
self.fail("received events did not match expected events\n"
"Expected:\n" + pprint.pformat(expected_events) +
"\nReceived:\n" + pprint.pformat(events))
def check_parse_error(self, source):
parser = EventCollector()
try:
parser.feed(source)
parser.close()
except sgmllib.SGMLParseError:
pass
else:
self.fail("expected SGMLParseError for %r\nReceived:\n%s"
% (source, pprint.pformat(parser.get_events())))
def test_doctype_decl_internal(self):
inside = """\
DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01//EN'
SYSTEM 'http://www.w3.org/TR/html401/strict.dtd' [
<!ELEMENT html - O EMPTY>
<!ATTLIST html
version CDATA #IMPLIED
profile CDATA 'DublinCore'>
<!NOTATION datatype SYSTEM 'http://xml.python.org/notations/python-module'>
<!ENTITY myEntity 'internal parsed entity'>
<!ENTITY anEntity SYSTEM 'http://xml.python.org/entities/something.xml'>
<!ENTITY % paramEntity 'name|name|name'>
%paramEntity;
<!-- comment -->
]"""
self.check_events(["<!%s>" % inside], [
("decl", inside),
])
def test_doctype_decl_external(self):
inside = "DOCTYPE html PUBLIC '-//W3C//DTD HTML 4.01//EN'"
self.check_events("<!%s>" % inside, [
("decl", inside),
])
def test_underscore_in_attrname(self):
# SF bug #436621
"""Make sure attribute names with underscores are accepted"""
self.check_events("<a has_under _under>", [
("starttag", "a", [("has_under", "has_under"),
("_under", "_under")]),
])
def test_underscore_in_tagname(self):
# SF bug #436621
"""Make sure tag names with underscores are accepted"""
self.check_events("<has_under></has_under>", [
("starttag", "has_under", []),
("endtag", "has_under"),
])
def test_quotes_in_unquoted_attrs(self):
# SF bug #436621
"""Be sure quotes in unquoted attributes are made part of the value"""
self.check_events("<a href=foo'bar\"baz>", [
("starttag", "a", [("href", "foo'bar\"baz")]),
])
def test_xhtml_empty_tag(self):
"""Handling of XHTML-style empty start tags"""
self.check_events("<br />text<i></i>", [
("starttag", "br", []),
("data", "text"),
("starttag", "i", []),
("endtag", "i"),
])
def test_processing_instruction_only(self):
self.check_events("<?processing instruction>", [
("pi", "processing instruction"),
])
def test_bad_nesting(self):
self.check_events("<a><b></a></b>", [
("starttag", "a", []),
("starttag", "b", []),
("endtag", "a"),
("endtag", "b"),
])
def test_bare_ampersands(self):
self.check_events("this text & contains & ampersands &", [
("data", "this text & contains & ampersands &"),
])
def test_bare_pointy_brackets(self):
self.check_events("this < text > contains < bare>pointy< brackets", [
("data", "this < text > contains < bare>pointy< brackets"),
])
def test_attr_syntax(self):
output = [
("starttag", "a", [("b", "v"), ("c", "v"), ("d", "v"), ("e", "e")])
]
self.check_events("""<a b='v' c="v" d=v e>""", output)
self.check_events("""<a b = 'v' c = "v" d = v e>""", output)
self.check_events("""<a\nb\n=\n'v'\nc\n=\n"v"\nd\n=\nv\ne>""", output)
self.check_events("""<a\tb\t=\t'v'\tc\t=\t"v"\td\t=\tv\te>""", output)
def test_attr_values(self):
self.check_events("""<a b='xxx\n\txxx' c="yyy\t\nyyy" d='\txyz\n'>""",
[("starttag", "a", [("b", "xxx\n\txxx"),
("c", "yyy\t\nyyy"),
("d", "\txyz\n")])
])
self.check_events("""<a b='' c="">""", [
("starttag", "a", [("b", ""), ("c", "")]),
])
# URL construction stuff from RFC 1808:
safe = "$-_.+"
extra = "!*'(),"
reserved = ";/?:@&="
url = "http://example.com:8080/path/to/file?%s%s%s" % (
safe, extra, reserved)
self.check_events("""<e a=%s>""" % url, [
("starttag", "e", [("a", url)]),
])
# Regression test for SF patch #669683.
self.check_events("<e a=rgb(1,2,3)>", [
("starttag", "e", [("a", "rgb(1,2,3)")]),
])
def test_attr_values_entities(self):
"""Substitution of entities and charrefs in attribute values"""
# SF bug #1452246
self.check_events("""<a b=&lt; c=&lt;&gt; d=&lt-&gt; e='&lt; '
f="&xxx;" g='&#32;&#33;' h='&#500;'
i='x?a=b&c=d;'
j='&amp;#42;' k='&#38;#42;'>""",
[("starttag", "a", [("b", "<"),
("c", "<>"),
("d", "&lt->"),
("e", "< "),
("f", "&xxx;"),
("g", " !"),
("h", "&#500;"),
("i", "x?a=b&c=d;"),
("j", "&#42;"),
("k", "&#42;"),
])])
def test_convert_overrides(self):
# This checks that the character and entity reference
# conversion helpers are called at the documented times. No
# attempt is made to really change what the parser accepts.
#
self.collector = HTMLEntityCollector
self.check_events(('<a title="&ldquo;test&#x201d;">foo</a>'
'&foobar;&#42;'), [
('entityref', 'convert', 'ldquo'),
('charref', 'convert', 'x201d'),
('starttag', 'a', [('title', '&ldquo;test&#x201d;')]),
('data', 'foo'),
('endtag', 'a'),
('entityref', 'foobar'),
('entityref', 'convert', 'foobar'),
('charref', '42'),
('charref', 'convert', '42'),
('codepoint', 'convert', 42),
])
def test_attr_funky_names(self):
self.check_events("""<a a.b='v' c:d=v e-f=v>""", [
("starttag", "a", [("a.b", "v"), ("c:d", "v"), ("e-f", "v")]),
])
def test_attr_value_ip6_url(self):
# http://www.python.org/sf/853506
self.check_events(("<a href='http://[1080::8:800:200C:417A]/'>"
"<a href=http://[1080::8:800:200C:417A]/>"), [
("starttag", "a", [("href", "http://[1080::8:800:200C:417A]/")]),
("starttag", "a", [("href", "http://[1080::8:800:200C:417A]/")]),
])
def test_illegal_declarations(self):
s = 'abc<!spacer type="block" height="25">def'
self.check_events(s, [
("data", "abc"),
("unknown decl", 'spacer type="block" height="25"'),
("data", "def"),
])
def test_weird_starttags(self):
self.check_events("<a<a>", [
("starttag", "a", []),
("starttag", "a", []),
])
self.check_events("</a<a>", [
("endtag", "a"),
("starttag", "a", []),
])
def test_declaration_junk_chars(self):
self.check_parse_error("<!DOCTYPE foo $ >")
def test_get_starttag_text(self):
s = """<foobar \n one="1"\ttwo=2 >"""
self.check_events(s, [
("starttag", "foobar", [("one", "1"), ("two", "2")]),
])
def test_cdata_content(self):
s = ("<cdata> <!-- not a comment --> &not-an-entity-ref; </cdata>"
"<notcdata> <!-- comment --> </notcdata>")
self.collector = CDATAEventCollector
self.check_events(s, [
("starttag", "cdata", []),
("data", " <!-- not a comment --> &not-an-entity-ref; "),
("endtag", "cdata"),
("starttag", "notcdata", []),
("data", " "),
("comment", " comment "),
("data", " "),
("endtag", "notcdata"),
])
s = """<cdata> <not a='start tag'> </cdata>"""
self.check_events(s, [
("starttag", "cdata", []),
("data", " <not a='start tag'> "),
("endtag", "cdata"),
])
def test_illegal_declarations(self):
s = 'abc<!spacer type="block" height="25">def'
self.check_events(s, [
("data", "abc"),
("unknown decl", 'spacer type="block" height="25"'),
("data", "def"),
])
def test_enumerated_attr_type(self):
s = "<!DOCTYPE doc [<!ATTLIST doc attr (a | b) >]>"
self.check_events(s, [
('decl', 'DOCTYPE doc [<!ATTLIST doc attr (a | b) >]'),
])
def test_read_chunks(self):
# SF bug #1541697, this caused sgml parser to hang
# Just verify this code doesn't cause a hang.
CHUNK = 1024 # increasing this to 8212 makes the problem go away
f = open(support.findfile('sgml_input.html'), encoding="latin-1")
fp = sgmllib.SGMLParser()
while 1:
data = f.read(CHUNK)
fp.feed(data)
if len(data) != CHUNK:
break
# XXX These tests have been disabled by prefixing their names with
# an underscore. The first two exercise outstanding bugs in the
# sgmllib module, and the third exhibits questionable behavior
# that needs to be carefully considered before changing it.
def _test_starttag_end_boundary(self):
self.check_events("<a b='<'>", [("starttag", "a", [("b", "<")])])
self.check_events("<a b='>'>", [("starttag", "a", [("b", ">")])])
def _test_buffer_artefacts(self):
output = [("starttag", "a", [("b", "<")])]
self.check_events(["<a b='<'>"], output)
self.check_events(["<a ", "b='<'>"], output)
self.check_events(["<a b", "='<'>"], output)
self.check_events(["<a b=", "'<'>"], output)
self.check_events(["<a b='<", "'>"], output)
self.check_events(["<a b='<'", ">"], output)
output = [("starttag", "a", [("b", ">")])]
self.check_events(["<a b='>'>"], output)
self.check_events(["<a ", "b='>'>"], output)
self.check_events(["<a b", "='>'>"], output)
self.check_events(["<a b=", "'>'>"], output)
self.check_events(["<a b='>", "'>"], output)
self.check_events(["<a b='>'", ">"], output)
output = [("comment", "abc")]
self.check_events(["", "<!--abc-->"], output)
self.check_events(["<", "!--abc-->"], output)
self.check_events(["<!", "--abc-->"], output)
self.check_events(["<!-", "-abc-->"], output)
self.check_events(["<!--", "abc-->"], output)
self.check_events(["<!--a", "bc-->"], output)
self.check_events(["<!--ab", "c-->"], output)
self.check_events(["<!--abc", "-->"], output)
self.check_events(["<!--abc-", "->"], output)
self.check_events(["<!--abc--", ">"], output)
self.check_events(["<!--abc-->", ""], output)
def _test_starttag_junk_chars(self):
self.check_parse_error("<")
self.check_parse_error("<>")
self.check_parse_error("</$>")
self.check_parse_error("</")
self.check_parse_error("</a")
self.check_parse_error("<$")
self.check_parse_error("<$>")
self.check_parse_error("<!")
self.check_parse_error("<a $>")
self.check_parse_error("<a")
self.check_parse_error("<a foo='bar'")
self.check_parse_error("<a foo='bar")
self.check_parse_error("<a foo='>'")
self.check_parse_error("<a foo='>")
self.check_parse_error("<a foo=>")
def test_main():
support.run_unittest(SGMLParserTestCase)
if __name__ == "__main__":
test_main()
Misc/NEWS
View file @ 877b10ad
......@@ -60,6 +60,8 @@ Extension Modules
Library
-------
- Removed the ``htmllib`` and ``sgmllib`` modules.
- The deprecated ``SmartCookie`` and ``SimpleCookie`` classes have
been removed from ``http.cookies``.
......
Misc/cheatsheet
View file @ 877b10ad
......@@ -1895,7 +1895,6 @@ reprlib Redo repr() but with limits on most sizes.
rlcompleter Word completion for GNU readline 2.0.
robotparser Parse robots.txt files, useful for web spiders.
sched A generally useful event scheduler class.
sgmllib A parser for SGML.
shelve Manage shelves of pickled objects.
shlex Lexical analyzer class for simple shell-like syntaxes.
shutil Utility functions usable in a shell-like program.
......
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