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Diffstat (limited to 'yocto-poky/bitbake/lib/bs4/__init__.py')
| -rw-r--r-- | yocto-poky/bitbake/lib/bs4/__init__.py | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/yocto-poky/bitbake/lib/bs4/__init__.py b/yocto-poky/bitbake/lib/bs4/__init__.py deleted file mode 100644 index 7ba34269a..000000000 --- a/yocto-poky/bitbake/lib/bs4/__init__.py +++ /dev/null @@ -1,406 +0,0 @@ -"""Beautiful Soup -Elixir and Tonic -"The Screen-Scraper's Friend" -http://www.crummy.com/software/BeautifulSoup/ - -Beautiful Soup uses a pluggable XML or HTML parser to parse a -(possibly invalid) document into a tree representation. Beautiful Soup -provides provides methods and Pythonic idioms that make it easy to -navigate, search, and modify the parse tree. - -Beautiful Soup works with Python 2.6 and up. It works better if lxml -and/or html5lib is installed. - -For more than you ever wanted to know about Beautiful Soup, see the -documentation: -http://www.crummy.com/software/BeautifulSoup/bs4/doc/ -""" - -__author__ = "Leonard Richardson (leonardr@segfault.org)" -__version__ = "4.3.2" -__copyright__ = "Copyright (c) 2004-2013 Leonard Richardson" -__license__ = "MIT" - -__all__ = ['BeautifulSoup'] - -import os -import re -import warnings - -from .builder import builder_registry, ParserRejectedMarkup -from .dammit import UnicodeDammit -from .element import ( - CData, - Comment, - DEFAULT_OUTPUT_ENCODING, - Declaration, - Doctype, - NavigableString, - PageElement, - ProcessingInstruction, - ResultSet, - SoupStrainer, - Tag, - ) - -# The very first thing we do is give a useful error if someone is -# running this code under Python 3 without converting it. -syntax_error = u'You are trying to run the Python 2 version of Beautiful Soup under Python 3. This will not work. You need to convert the code, either by installing it (`python setup.py install`) or by running 2to3 (`2to3 -w bs4`).' - -class BeautifulSoup(Tag): - """ - This class defines the basic interface called by the tree builders. - - These methods will be called by the parser: - reset() - feed(markup) - - The tree builder may call these methods from its feed() implementation: - handle_starttag(name, attrs) # See note about return value - handle_endtag(name) - handle_data(data) # Appends to the current data node - endData(containerClass=NavigableString) # Ends the current data node - - No matter how complicated the underlying parser is, you should be - able to build a tree using 'start tag' events, 'end tag' events, - 'data' events, and "done with data" events. - - If you encounter an empty-element tag (aka a self-closing tag, - like HTML's <br> tag), call handle_starttag and then - handle_endtag. - """ - ROOT_TAG_NAME = u'[document]' - - # If the end-user gives no indication which tree builder they - # want, look for one with these features. - DEFAULT_BUILDER_FEATURES = ['html', 'fast'] - - ASCII_SPACES = '\x20\x0a\x09\x0c\x0d' - - def __init__(self, markup="", features=None, builder=None, - parse_only=None, from_encoding=None, **kwargs): - """The Soup object is initialized as the 'root tag', and the - provided markup (which can be a string or a file-like object) - is fed into the underlying parser.""" - - if 'convertEntities' in kwargs: - warnings.warn( - "BS4 does not respect the convertEntities argument to the " - "BeautifulSoup constructor. Entities are always converted " - "to Unicode characters.") - - if 'markupMassage' in kwargs: - del kwargs['markupMassage'] - warnings.warn( - "BS4 does not respect the markupMassage argument to the " - "BeautifulSoup constructor. The tree builder is responsible " - "for any necessary markup massage.") - - if 'smartQuotesTo' in kwargs: - del kwargs['smartQuotesTo'] - warnings.warn( - "BS4 does not respect the smartQuotesTo argument to the " - "BeautifulSoup constructor. Smart quotes are always converted " - "to Unicode characters.") - - if 'selfClosingTags' in kwargs: - del kwargs['selfClosingTags'] - warnings.warn( - "BS4 does not respect the selfClosingTags argument to the " - "BeautifulSoup constructor. The tree builder is responsible " - "for understanding self-closing tags.") - - if 'isHTML' in kwargs: - del kwargs['isHTML'] - warnings.warn( - "BS4 does not respect the isHTML argument to the " - "BeautifulSoup constructor. You can pass in features='html' " - "or features='xml' to get a builder capable of handling " - "one or the other.") - - def deprecated_argument(old_name, new_name): - if old_name in kwargs: - warnings.warn( - 'The "%s" argument to the BeautifulSoup constructor ' - 'has been renamed to "%s."' % (old_name, new_name)) - value = kwargs[old_name] - del kwargs[old_name] - return value - return None - - parse_only = parse_only or deprecated_argument( - "parseOnlyThese", "parse_only") - - from_encoding = from_encoding or deprecated_argument( - "fromEncoding", "from_encoding") - - if len(kwargs) > 0: - arg = kwargs.keys().pop() - raise TypeError( - "__init__() got an unexpected keyword argument '%s'" % arg) - - if builder is None: - if isinstance(features, basestring): - features = [features] - if features is None or len(features) == 0: - features = self.DEFAULT_BUILDER_FEATURES - builder_class = builder_registry.lookup(*features) - if builder_class is None: - raise FeatureNotFound( - "Couldn't find a tree builder with the features you " - "requested: %s. Do you need to install a parser library?" - % ",".join(features)) - builder = builder_class() - self.builder = builder - self.is_xml = builder.is_xml - self.builder.soup = self - - self.parse_only = parse_only - - if hasattr(markup, 'read'): # It's a file-type object. - markup = markup.read() - elif len(markup) <= 256: - # Print out warnings for a couple beginner problems - # involving passing non-markup to Beautiful Soup. - # Beautiful Soup will still parse the input as markup, - # just in case that's what the user really wants. - if (isinstance(markup, unicode) - and not os.path.supports_unicode_filenames): - possible_filename = markup.encode("utf8") - else: - possible_filename = markup - is_file = False - try: - is_file = os.path.exists(possible_filename) - except Exception, e: - # This is almost certainly a problem involving - # characters not valid in filenames on this - # system. Just let it go. - pass - if is_file: - warnings.warn( - '"%s" looks like a filename, not markup. You should probably open this file and pass the filehandle into Beautiful Soup.' % markup) - if markup[:5] == "http:" or markup[:6] == "https:": - # TODO: This is ugly but I couldn't get it to work in - # Python 3 otherwise. - if ((isinstance(markup, bytes) and not b' ' in markup) - or (isinstance(markup, unicode) and not u' ' in markup)): - warnings.warn( - '"%s" looks like a URL. Beautiful Soup is not an HTTP client. You should probably use an HTTP client to get the document behind the URL, and feed that document to Beautiful Soup.' % markup) - - for (self.markup, self.original_encoding, self.declared_html_encoding, - self.contains_replacement_characters) in ( - self.builder.prepare_markup(markup, from_encoding)): - self.reset() - try: - self._feed() - break - except ParserRejectedMarkup: - pass - - # Clear out the markup and remove the builder's circular - # reference to this object. - self.markup = None - self.builder.soup = None - - def _feed(self): - # Convert the document to Unicode. - self.builder.reset() - - self.builder.feed(self.markup) - # Close out any unfinished strings and close all the open tags. - self.endData() - while self.currentTag.name != self.ROOT_TAG_NAME: - self.popTag() - - def reset(self): - Tag.__init__(self, self, self.builder, self.ROOT_TAG_NAME) - self.hidden = 1 - self.builder.reset() - self.current_data = [] - self.currentTag = None - self.tagStack = [] - self.preserve_whitespace_tag_stack = [] - self.pushTag(self) - - def new_tag(self, name, namespace=None, nsprefix=None, **attrs): - """Create a new tag associated with this soup.""" - return Tag(None, self.builder, name, namespace, nsprefix, attrs) - - def new_string(self, s, subclass=NavigableString): - """Create a new NavigableString associated with this soup.""" - navigable = subclass(s) - navigable.setup() - return navigable - - def insert_before(self, successor): - raise NotImplementedError("BeautifulSoup objects don't support insert_before().") - - def insert_after(self, successor): - raise NotImplementedError("BeautifulSoup objects don't support insert_after().") - - def popTag(self): - tag = self.tagStack.pop() - if self.preserve_whitespace_tag_stack and tag == self.preserve_whitespace_tag_stack[-1]: - self.preserve_whitespace_tag_stack.pop() - #print "Pop", tag.name - if self.tagStack: - self.currentTag = self.tagStack[-1] - return self.currentTag - - def pushTag(self, tag): - #print "Push", tag.name - if self.currentTag: - self.currentTag.contents.append(tag) - self.tagStack.append(tag) - self.currentTag = self.tagStack[-1] - if tag.name in self.builder.preserve_whitespace_tags: - self.preserve_whitespace_tag_stack.append(tag) - - def endData(self, containerClass=NavigableString): - if self.current_data: - current_data = u''.join(self.current_data) - # If whitespace is not preserved, and this string contains - # nothing but ASCII spaces, replace it with a single space - # or newline. - if not self.preserve_whitespace_tag_stack: - strippable = True - for i in current_data: - if i not in self.ASCII_SPACES: - strippable = False - break - if strippable: - if '\n' in current_data: - current_data = '\n' - else: - current_data = ' ' - - # Reset the data collector. - self.current_data = [] - - # Should we add this string to the tree at all? - if self.parse_only and len(self.tagStack) <= 1 and \ - (not self.parse_only.text or \ - not self.parse_only.search(current_data)): - return - - o = containerClass(current_data) - self.object_was_parsed(o) - - def object_was_parsed(self, o, parent=None, most_recent_element=None): - """Add an object to the parse tree.""" - parent = parent or self.currentTag - most_recent_element = most_recent_element or self._most_recent_element - o.setup(parent, most_recent_element) - - if most_recent_element is not None: - most_recent_element.next_element = o - self._most_recent_element = o - parent.contents.append(o) - - def _popToTag(self, name, nsprefix=None, inclusivePop=True): - """Pops the tag stack up to and including the most recent - instance of the given tag. If inclusivePop is false, pops the tag - stack up to but *not* including the most recent instqance of - the given tag.""" - #print "Popping to %s" % name - if name == self.ROOT_TAG_NAME: - # The BeautifulSoup object itself can never be popped. - return - - most_recently_popped = None - - stack_size = len(self.tagStack) - for i in range(stack_size - 1, 0, -1): - t = self.tagStack[i] - if (name == t.name and nsprefix == t.prefix): - if inclusivePop: - most_recently_popped = self.popTag() - break - most_recently_popped = self.popTag() - - return most_recently_popped - - def handle_starttag(self, name, namespace, nsprefix, attrs): - """Push a start tag on to the stack. - - If this method returns None, the tag was rejected by the - SoupStrainer. You should proceed as if the tag had not occured - in the document. For instance, if this was a self-closing tag, - don't call handle_endtag. - """ - - # print "Start tag %s: %s" % (name, attrs) - self.endData() - - if (self.parse_only and len(self.tagStack) <= 1 - and (self.parse_only.text - or not self.parse_only.search_tag(name, attrs))): - return None - - tag = Tag(self, self.builder, name, namespace, nsprefix, attrs, - self.currentTag, self._most_recent_element) - if tag is None: - return tag - if self._most_recent_element: - self._most_recent_element.next_element = tag - self._most_recent_element = tag - self.pushTag(tag) - return tag - - def handle_endtag(self, name, nsprefix=None): - #print "End tag: " + name - self.endData() - self._popToTag(name, nsprefix) - - def handle_data(self, data): - self.current_data.append(data) - - def decode(self, pretty_print=False, - eventual_encoding=DEFAULT_OUTPUT_ENCODING, - formatter="minimal"): - """Returns a string or Unicode representation of this document. - To get Unicode, pass None for encoding.""" - - if self.is_xml: - # Print the XML declaration - encoding_part = '' - if eventual_encoding != None: - encoding_part = ' encoding="%s"' % eventual_encoding - prefix = u'<?xml version="1.0"%s?>\n' % encoding_part - else: - prefix = u'' - if not pretty_print: - indent_level = None - else: - indent_level = 0 - return prefix + super(BeautifulSoup, self).decode( - indent_level, eventual_encoding, formatter) - -# Alias to make it easier to type import: 'from bs4 import _soup' -_s = BeautifulSoup -_soup = BeautifulSoup - -class BeautifulStoneSoup(BeautifulSoup): - """Deprecated interface to an XML parser.""" - - def __init__(self, *args, **kwargs): - kwargs['features'] = 'xml' - warnings.warn( - 'The BeautifulStoneSoup class is deprecated. Instead of using ' - 'it, pass features="xml" into the BeautifulSoup constructor.') - super(BeautifulStoneSoup, self).__init__(*args, **kwargs) - - -class StopParsing(Exception): - pass - -class FeatureNotFound(ValueError): - pass - - -#By default, act as an HTML pretty-printer. -if __name__ == '__main__': - import sys - soup = BeautifulSoup(sys.stdin) - print soup.prettify() |
