![]() |
Qucs-S S-parameter Viewer & RF Synthesis Tools
|


Classes | |
| class | _TreeTraversalEvent |
Public Member Functions | |
| __init__ (self, Optional[BeautifulSoup] parser=None, Optional[TreeBuilder] builder=None, Optional[str] name=None, Optional[str] namespace=None, Optional[str] prefix=None, Optional[_RawOrProcessedAttributeValues] attrs=None, Optional[Union[BeautifulSoup, Tag]] parent=None, _AtMostOneElement previous=None, Optional[bool] is_xml=None, Optional[int] sourceline=None, Optional[int] sourcepos=None, Optional[bool] can_be_empty_element=None, Optional[Dict[str, Set[str]]] cdata_list_attributes=None, Optional[Set[str]] preserve_whitespace_tags=None, Optional[Set[Type[NavigableString]]] interesting_string_types=None, Optional[Dict[str, str]] namespaces=None) | |
| Self | __deepcopy__ (self, Dict[Any, Any] memo, bool recursive=True) |
| Self | copy_self (self) |
| bool | is_empty_element (self) |
| bool | isSelfClosing (self) |
| Optional[str] | string (self) |
| None | string (self, str string) |
| List[PageElement] | insert (self, int position, *_InsertableElement new_children) |
| Self | unwrap (self) |
| _OneElement | replaceWithChildren (self) |
| PageElement | append (self, _InsertableElement tag) |
| List[PageElement] | extend (self, Union[Iterable[_InsertableElement], Tag] tags) |
| None | clear (self, bool decompose=False) |
| None | smooth (self) |
| int | index (self, PageElement element) |
| Optional[_AttributeValue] | get (self, str key, Optional[_AttributeValue] default=None) |
| AttributeValueList | get_attribute_list (self, str key, Optional[AttributeValueList] default=None) |
| bool | has_attr (self, str key) |
| int | __hash__ (self) |
| _AttributeValue | __getitem__ (self, str key) |
| Iterator[PageElement] | __iter__ (self) |
| int | __len__ (self) |
| bool | __contains__ (self, Any x) |
| bool | __bool__ (self) |
| None | __setitem__ (self, str key, _AttributeValue value) |
| None | __delitem__ (self, str key) |
| _SomeTags | __call__ (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | __call__ (self, None name=None, None attrs=None, bool recursive=True, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | __call__ (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Optional[Tag] | __getattr__ (self, str subtag) |
| bool | __eq__ (self, Any other) |
| bool | __ne__ (self, Any other) |
| str | __repr__ (self) |
| bytes | encode (self, _Encoding encoding=DEFAULT_OUTPUT_ENCODING, Optional[int] indent_level=None, _FormatterOrName formatter="minimal", str errors="xmlcharrefreplace") |
| str | decode (self, Optional[int] indent_level=None, _Encoding eventual_encoding=DEFAULT_OUTPUT_ENCODING, _FormatterOrName formatter="minimal", Optional[Iterator[PageElement]] iterator=None) |
| str | prettify (self, None encoding=None, _FormatterOrName formatter="minimal") |
| bytes | prettify (self, _Encoding encoding, _FormatterOrName formatter="minimal") |
| Union[str, bytes] | prettify (self, Optional[_Encoding] encoding=None, _FormatterOrName formatter="minimal") |
| str | decode_contents (self, Optional[int] indent_level=None, _Encoding eventual_encoding=DEFAULT_OUTPUT_ENCODING, _FormatterOrName formatter="minimal") |
| bytes | encode_contents (self, Optional[int] indent_level=None, _Encoding encoding=DEFAULT_OUTPUT_ENCODING, _FormatterOrName formatter="minimal") |
| bytes | renderContents (self, _Encoding encoding=DEFAULT_OUTPUT_ENCODING, bool prettyPrint=False, Optional[int] indentLevel=0) |
| _AtMostOneTag | find (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, None string=None, **_StrainableAttribute kwargs) |
| _AtMostOneNavigableString | find (self, None name=None, None attrs=None, bool recursive=True, _StrainableString string="") |
| Union[_AtMostOneTag, _AtMostOneNavigableString, _AtMostOneElement] | find (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, Optional[_StrainableString] string=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_all (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | find_all (self, None name=None, None attrs=None, bool recursive=True, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | find_all (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, bool recursive=True, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Iterator[PageElement] | children (self) |
| Iterator[PageElement] | self_and_descendants (self) |
| Iterator[PageElement] | descendants (self) |
| Optional[Tag] | select_one (self, str selector, Optional[Dict[str, str]] namespaces=None, **Any kwargs) |
| ResultSet[Tag] | select (self, str selector, Optional[Dict[str, str]] namespaces=None, int limit=0, **Any kwargs) |
| CSS | css (self) |
| Iterator[PageElement] | childGenerator (self) |
| Iterator[PageElement] | recursiveChildGenerator (self) |
| bool | has_key (self, str key) |
Public Member Functions inherited from bs4.element.PageElement | |
| None | setup (self, Optional[Tag] parent=None, _AtMostOneElement previous_element=None, _AtMostOneElement next_element=None, _AtMostOneElement previous_sibling=None, _AtMostOneElement next_sibling=None) |
| str | format_string (self, str s, Optional[_FormatterOrName] formatter) |
| Formatter | formatter_for_name (self, Union[_FormatterOrName, _EntitySubstitutionFunction] formatter_name) |
| Self | __copy__ (self) |
| Iterator[str] | stripped_strings (self) |
| str | get_text (self, str separator="", bool strip=False, Iterable[Type[NavigableString]] types=default) |
| Self | replace_with (self, *_InsertableElement args) |
| Tag | wrap (self, Tag wrap_inside) |
| Self | extract (self, Optional[int] _self_index=None) |
| None | decompose (self) |
| List[PageElement] | insert_before (self, *_InsertableElement args) |
| List[PageElement] | insert_after (self, *_InsertableElement args) |
| _AtMostOneTag | find_next (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, **_StrainableAttribute kwargs) |
| _AtMostOneNavigableString | find_next (self, None name=None, None attrs=None, _StrainableString string="", **_StrainableAttribute kwargs) |
| Union[_AtMostOneTag, _AtMostOneNavigableString, _AtMostOneElement] | find_next (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_all_next (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | find_all_next (self, None name=None, None attrs=None, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | find_all_next (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _AtMostOneTag | find_next_sibling (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, **_StrainableAttribute kwargs) |
| _AtMostOneNavigableString | find_next_sibling (self, None name=None, None attrs=None, _StrainableString string="", **_StrainableAttribute kwargs) |
| Union[_AtMostOneTag, _AtMostOneNavigableString, _AtMostOneElement] | find_next_sibling (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_next_siblings (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | find_next_siblings (self, None name=None, None attrs=None, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | find_next_siblings (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _AtMostOneTag | find_previous (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, **_StrainableAttribute kwargs) |
| _AtMostOneNavigableString | find_previous (self, None name=None, None attrs=None, _StrainableString string="", **_StrainableAttribute kwargs) |
| Union[_AtMostOneTag, _AtMostOneNavigableString, _AtMostOneElement] | find_previous (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_all_previous (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | find_all_previous (self, None name=None, None attrs=None, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | find_all_previous (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _AtMostOneTag | find_previous_sibling (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, **_StrainableAttribute kwargs) |
| _AtMostOneNavigableString | find_previous_sibling (self, None name=None, None attrs=None, _StrainableString string="", **_StrainableAttribute kwargs) |
| Union[_AtMostOneTag, _AtMostOneNavigableString, _AtMostOneElement] | find_previous_sibling (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_previous_siblings (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, None string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _SomeNavigableStrings | find_previous_siblings (self, None name=None, None attrs=None, _StrainableString string="", Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| Union[_SomeTags, _SomeNavigableStrings, _QueryResults] | find_previous_siblings (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[_StrainableString] string=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _AtMostOneTag | find_parent (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, **_StrainableAttribute kwargs) |
| _SomeTags | find_parents (self, _FindMethodName name=None, Optional[_StrainableAttributes] attrs=None, Optional[int] limit=None, int _stacklevel=2, **_StrainableAttribute kwargs) |
| _AtMostOneElement | next (self) |
| _AtMostOneElement | previous (self) |
| Iterator[PageElement] | next_elements (self) |
| Iterator[PageElement] | self_and_next_elements (self) |
| Iterator[PageElement] | next_siblings (self) |
| Iterator[PageElement] | self_and_next_siblings (self) |
| Iterator[PageElement] | previous_elements (self) |
| Iterator[PageElement] | self_and_previous_elements (self) |
| Iterator[PageElement] | previous_siblings (self) |
| Iterator[PageElement] | self_and_previous_siblings (self) |
| Iterator[Tag] | parents (self) |
| Iterator[PageElement] | self_and_parents (self) |
| bool | decomposed (self) |
| Iterator[PageElement] | nextGenerator (self) |
| Iterator[PageElement] | nextSiblingGenerator (self) |
| Iterator[PageElement] | previousGenerator (self) |
| Iterator[PageElement] | previousSiblingGenerator (self) |
| Iterator[PageElement] | parentGenerator (self) |
Public Attributes | |
| parser_class | |
| name | |
| namespace | |
| prefix | |
| sourceline | |
| sourcepos | |
| attribute_value_list_class | |
| attrs | |
| known_xml | |
| hidden | |
| can_be_empty_element | |
| cdata_list_attributes | |
| preserve_whitespace_tags | |
| interesting_string_types | |
| descendants | |
| contents | |
Public Attributes inherited from bs4.element.PageElement | |
| parent | |
| previous_element | |
| next_element | |
| next_sibling | |
| previous_sibling | |
| find_all_next | |
| next_elements | |
| find_next_siblings | |
| next_siblings | |
| find_all_previous | |
| previous_elements | |
| find_previous_siblings | |
| previous_siblings | |
| parents | |
Static Public Attributes | |
| Optional | parser_class [type[BeautifulSoup]] |
| str | name |
| Optional | namespace [str] |
| Optional | prefix [str] |
| _AttributeValues | attrs |
| Optional | sourceline [int] |
| Optional | sourcepos [int] |
| Optional | known_xml [bool] |
| List | contents [PageElement] |
| bool | hidden |
| Optional | interesting_string_types [Set[Type[NavigableString]]] |
| Optional | can_be_empty_element [bool] |
| Optional | cdata_list_attributes [Dict[str, Set[str]]] |
| Optional | preserve_whitespace_tags [Set[str]] |
| parserClass = _deprecated_alias("parserClass", "parser_class", "4.0.0") | |
| dict | MAIN_CONTENT_STRING_TYPES = {NavigableString, CData} |
| Self | replace_with_children = unwrap |
| START_ELEMENT_EVENT = _TreeTraversalEvent() | |
| END_ELEMENT_EVENT = _TreeTraversalEvent() | |
| EMPTY_ELEMENT_EVENT = _TreeTraversalEvent() | |
| STRING_ELEMENT_EVENT = _TreeTraversalEvent() | |
| findChild = _deprecated_function_alias("findChild", "find", "3.0.0") | |
| findAll = _deprecated_function_alias("findAll", "find_all", "4.0.0") | |
| findChildren = _deprecated_function_alias("findChildren", "find_all", "3.0.0") | |
Static Public Attributes inherited from bs4.element.PageElement | |
| Optional | known_xml = None |
| Optional | parent [Tag] |
| _AtMostOneElement | next_element |
| _AtMostOneElement | previous_element |
| _AtMostOneElement | next_sibling |
| _AtMostOneElement | previous_sibling |
| bool | hidden = False |
| nextSibling = _deprecated_alias("nextSibling", "next_sibling", "4.0.0") | |
| previousSibling = _deprecated_alias("previousSibling", "previous_sibling", "4.0.0") | |
| Iterable | default = tuple() |
| str | getText = get_text |
| replaceWith = _deprecated_function_alias("replaceWith", "replace_with", "4.0.0") | |
| findNext = _deprecated_function_alias("findNext", "find_next", "4.0.0") | |
| findAllNext = _deprecated_function_alias("findAllNext", "find_all_next", "4.0.0") | |
| findNextSibling | |
| findNextSiblings | |
| fetchNextSiblings | |
| findPrevious = _deprecated_function_alias("findPrevious", "find_previous", "3.0.0") | |
| findAllPrevious | |
| fetchAllPrevious | |
| findPreviousSibling | |
| findPreviousSiblings | |
| fetchPreviousSiblings | |
| findParent = _deprecated_function_alias("findParent", "find_parent", "4.0.0") | |
| findParents = _deprecated_function_alias("findParents", "find_parents", "4.0.0") | |
| fetchParents = _deprecated_function_alias("fetchParents", "find_parents", "3.0.0") | |
Protected Member Functions | |
| Iterator[str] | _all_strings (self, bool strip=False, _OneOrMoreStringTypes types=PageElement.default) |
| List[PageElement] | _insert (self, int position, _InsertableElement new_child) |
| Iterator[Tuple[_TreeTraversalEvent, PageElement]] | _event_stream (self, Optional[Iterator[PageElement]] iterator=None) |
| str | _indent_string (self, str s, int indent_level, Formatter formatter, bool indent_before, bool indent_after) |
| str | _format_tag (self, str eventual_encoding, Formatter formatter, bool opening) |
| bool | _should_pretty_print (self, int indent_level=1) |
Protected Member Functions inherited from bs4.element.PageElement | |
| bool | _is_xml (self) |
| _AtMostOneElement | _last_descendant (self, bool is_initialized=True, bool accept_self=True) |
| _AtMostOneElement | _find_one (self, Callable method, _FindMethodName name, Optional[_StrainableAttributes] attrs, Optional[_StrainableString] string, **_StrainableAttribute kwargs) |
| _QueryResults | _find_all (self, _FindMethodName name, Optional[_StrainableAttributes] attrs, Optional[_StrainableString] string, Optional[int] limit, Iterator[PageElement] generator, int _stacklevel=3, **_StrainableAttribute kwargs) |
| Iterator[PageElement] | _self_and (self, Iterator[PageElement] other_generator) |
Protected Attributes | |
| _namespaces | |
Properties | |
| strings = property(_all_strings) | |
Properties inherited from bs4.element.PageElement | |
| text = property(get_text) | |
Additional Inherited Members | |
Static Protected Attributes inherited from bs4.element.PageElement | |
| bool | _decomposed |
| _lastRecursiveChild | |
An HTML or XML tag that is part of a parse tree, along with its
attributes, contents, and relationships to other parts of the tree.
When Beautiful Soup parses the markup ``<b>penguin</b>``, it will
create a `Tag` object representing the ``<b>`` tag. You can
instantiate `Tag` objects directly, but it's not necessary unless
you're adding entirely new markup to a parsed document. Most of
the constructor arguments are intended for use by the `TreeBuilder`
that's parsing a document.
:param parser: A `BeautifulSoup` object representing the parse tree this
`Tag` will be part of.
:param builder: The `TreeBuilder` being used to build the tree.
:param name: The name of the tag.
:param namespace: The URI of this tag's XML namespace, if any.
:param prefix: The prefix for this tag's XML namespace, if any.
:param attrs: A dictionary of attribute values.
:param parent: The `Tag` to use as the parent of this `Tag`. May be
the `BeautifulSoup` object itself.
:param previous: The `PageElement` that was parsed immediately before
parsing this tag.
:param is_xml: If True, this is an XML tag. Otherwise, this is an
HTML tag.
:param sourceline: The line number where this tag was found in its
source document.
:param sourcepos: The character position within ``sourceline`` where this
tag was found.
:param can_be_empty_element: If True, this tag should be
represented as <tag/>. If False, this tag should be represented
as <tag></tag>.
:param cdata_list_attributes: A dictionary of attributes whose values should
be parsed as lists of strings if they ever show up on this tag.
:param preserve_whitespace_tags: Names of tags whose contents
should have their whitespace preserved if they are encountered inside
this tag.
:param interesting_string_types: When iterating over this tag's
string contents in methods like `Tag.strings` or
`PageElement.get_text`, these are the types of strings that are
interesting enough to be considered. By default,
`NavigableString` (normal strings) and `CData` (CDATA
sections) are the only interesting string subtypes.
:param namespaces: A dictionary mapping currently active
namespace prefixes to URIs, as of the point in the parsing process when
this tag was encountered. This can be used later to
construct CSS selectors. | bs4.element.Tag.__init__ | ( | self, | |
| Optional[BeautifulSoup] | parser = None, |
||
| Optional[TreeBuilder] | builder = None, |
||
| Optional[str] | name = None, |
||
| Optional[str] | namespace = None, |
||
| Optional[str] | prefix = None, |
||
| Optional[_RawOrProcessedAttributeValues] | attrs = None, |
||
| Optional[Union[BeautifulSoup, Tag]] | parent = None, |
||
| _AtMostOneElement | previous = None, |
||
| Optional[bool] | is_xml = None, |
||
| Optional[int] | sourceline = None, |
||
| Optional[int] | sourcepos = None, |
||
| Optional[bool] | can_be_empty_element = None, |
||
| Optional[Dict[str, Set[str]]] | cdata_list_attributes = None, |
||
| Optional[Set[str]] | preserve_whitespace_tags = None, |
||
| Optional[Set[Type[NavigableString]]] | interesting_string_types = None, |
||
| Optional[Dict[str, str]] | namespaces = None |
||
| ) |
Reimplemented in bs4.BeautifulStoneSoup, and bs4.BeautifulSoup.
| Union[_SomeTags,_SomeNavigableStrings,_QueryResults] bs4.element.Tag.__call__ | ( | self, | |
| _FindMethodName | name = None, |
||
| Optional[_StrainableAttributes] | attrs = None, |
||
| bool | recursive = True, |
||
| Optional[_StrainableString] | string = None, |
||
| Optional[int] | limit = None, |
||
| int | _stacklevel = 2, |
||
| **_StrainableAttribute | kwargs | ||
| ) |
Calling a Tag like a function is the same as calling its
find_all() method. Eg. tag('a') returns a list of all the A tags
found within this tag.
| Self bs4.element.Tag.__deepcopy__ | ( | self, | |
| Dict[Any, Any] | memo, | ||
| bool | recursive = True |
||
| ) |
A deepcopy of a Tag is a new Tag, unconnected to the parse tree. Its contents are a copy of the old Tag's contents.
Reimplemented from bs4.element.PageElement.
| bool bs4.element.Tag.__eq__ | ( | self, | |
| Any | other | ||
| ) |
Returns true iff this Tag has the same name, the same attributes, and the same contents (recursively) as `other`.
| Optional[Tag] bs4.element.Tag.__getattr__ | ( | self, | |
| str | subtag | ||
| ) |
Calling tag.subtag is the same as calling tag.find(name="subtag")
| _AttributeValue bs4.element.Tag.__getitem__ | ( | self, | |
| str | key | ||
| ) |
tag[key] returns the value of the 'key' attribute for the Tag, and throws an exception if it's not there.
| bool bs4.element.Tag.__ne__ | ( | self, | |
| Any | other | ||
| ) |
Returns true iff this Tag is not identical to `other`, as defined in __eq__.
| str bs4.element.Tag.__repr__ | ( | self | ) |
Renders this `Tag` as a string.
| None bs4.element.Tag.__setitem__ | ( | self, | |
| str | key, | ||
| _AttributeValue | value | ||
| ) |
Setting tag[key] sets the value of the 'key' attribute for the tag.
|
protected |
Yield all strings of certain classes, possibly stripping them.
:param strip: If True, all strings will be stripped before being
yielded.
:param types: A tuple of NavigableString subclasses. Any strings of
a subclass not found in this list will be ignored. By
default, the subclasses considered are the ones found in
self.interesting_string_types. If that's not specified,
only NavigableString and CData objects will be
considered. That means no comments, processing
instructions, etc.
Reimplemented from bs4.element.PageElement.
|
protected |
Yield a sequence of events that can be used to reconstruct the DOM for this element. This lets us recreate the nested structure of this element (e.g. when formatting it as a string) without using recursive method calls. This is similar in concept to the SAX API, but it's a simpler interface designed for internal use. The events are different from SAX and the arguments associated with the events are Tags and other Beautiful Soup objects. :param iterator: An alternate iterator to use when traversing the tree.
|
protected |
Add indentation whitespace before and/or after a string. :param s: The string to amend with whitespace. :param indent_level: The indentation level; affects how much whitespace goes before the string. :param indent_before: Whether or not to add whitespace before the string. :param indent_after: Whether or not to add whitespace (a newline) after the string.
|
protected |
Should this tag be pretty-printed? Most of them should, but some (such as <pre> in HTML documents) should not.
| PageElement bs4.element.Tag.append | ( | self, | |
| _InsertableElement | tag | ||
| ) |
Appends the given `PageElement` to the contents of this `Tag`. :param tag: A PageElement. :return The newly appended PageElement.
| Iterator[PageElement] bs4.element.Tag.childGenerator | ( | self | ) |
Deprecated generator. :meta private:
| Iterator[PageElement] bs4.element.Tag.children | ( | self | ) |
Iterate over all direct children of this `PageElement`.
| None bs4.element.Tag.clear | ( | self, | |
| bool | decompose = False |
||
| ) |
Destroy all children of this `Tag` by calling
`PageElement.extract` on them.
:param decompose: If this is True, `PageElement.decompose` (a
more destructive method) will be called instead of
`PageElement.extract`.
| Self bs4.element.Tag.copy_self | ( | self | ) |
Create a new Tag just like this one, but with no contents and unattached to any parse tree. This is the first step in the deepcopy process, but you can call it on its own to create a copy of a Tag without copying its contents.
Reimplemented in bs4.BeautifulSoup.
| CSS bs4.element.Tag.css | ( | self | ) |
Return an interface to the CSS selector API.
| str bs4.element.Tag.decode | ( | self, | |
| Optional[int] | indent_level = None, |
||
| _Encoding | eventual_encoding = DEFAULT_OUTPUT_ENCODING, |
||
| _FormatterOrName | formatter = "minimal", |
||
| Optional[Iterator[PageElement]] | iterator = None |
||
| ) |
Render this `Tag` and its contents as a Unicode string.
:param indent_level: Each line of the rendering will be
indented this many levels. (The ``formatter`` decides what a
'level' means, in terms of spaces or other characters
output.) This is used internally in recursive calls while
pretty-printing.
:param encoding: The encoding you intend to use when
converting the string to a bytestring. decode() is *not*
responsible for performing that encoding. This information
is needed so that a real encoding can be substituted in if
the document contains an encoding declaration (e.g. in a
<meta> tag).
:param formatter: Either a `Formatter` object, or a string
naming one of the standard formatters.
:param iterator: The iterator to use when navigating over the
parse tree. This is only used by `Tag.decode_contents` and
you probably won't need to use it.
Reimplemented in bs4.BeautifulSoup.
| str bs4.element.Tag.decode_contents | ( | self, | |
| Optional[int] | indent_level = None, |
||
| _Encoding | eventual_encoding = DEFAULT_OUTPUT_ENCODING, |
||
| _FormatterOrName | formatter = "minimal" |
||
| ) |
Renders the contents of this tag as a Unicode string.
:param indent_level: Each line of the rendering will be
indented this many levels. (The formatter decides what a
'level' means in terms of spaces or other characters
output.) Used internally in recursive calls while
pretty-printing.
:param eventual_encoding: The tag is destined to be
encoded into this encoding. decode_contents() is *not*
responsible for performing that encoding. This information
is needed so that a real encoding can be substituted in if
the document contains an encoding declaration (e.g. in a
<meta> tag).
:param formatter: A `Formatter` object, or a string naming one of
the standard Formatters.
| Iterator[PageElement] bs4.element.Tag.descendants | ( | self | ) |
Iterate over all children of this `Tag` in a breadth-first sequence.
| bytes bs4.element.Tag.encode | ( | self, | |
| _Encoding | encoding = DEFAULT_OUTPUT_ENCODING, |
||
| Optional[int] | indent_level = None, |
||
| _FormatterOrName | formatter = "minimal", |
||
| str | errors = "xmlcharrefreplace" |
||
| ) |
Render this `Tag` and its contents as a bytestring.
:param encoding: The encoding to use when converting to
a bytestring. This may also affect the text of the document,
specifically any encoding declarations within the document.
:param indent_level: Each line of the rendering will be
indented this many levels. (The ``formatter`` decides what a
'level' means, in terms of spaces or other characters
output.) This is used internally in recursive calls while
pretty-printing.
:param formatter: Either a `Formatter` object, or a string naming one of
the standard formatters.
:param errors: An error handling strategy such as
'xmlcharrefreplace'. This value is passed along into
:py:meth:`str.encode` and its value should be one of the `error
handling constants defined by Python's codecs module
<https://docs.python.org/3/library/codecs.html#error-handlers>`_.
| bytes bs4.element.Tag.encode_contents | ( | self, | |
| Optional[int] | indent_level = None, |
||
| _Encoding | encoding = DEFAULT_OUTPUT_ENCODING, |
||
| _FormatterOrName | formatter = "minimal" |
||
| ) |
Renders the contents of this PageElement as a bytestring.
:param indent_level: Each line of the rendering will be
indented this many levels. (The ``formatter`` decides what a
'level' means, in terms of spaces or other characters
output.) This is used internally in recursive calls while
pretty-printing.
:param formatter: Either a `Formatter` object, or a string naming one of
the standard formatters.
:param encoding: The bytestring will be in this encoding.
| List[PageElement] bs4.element.Tag.extend | ( | self, | |
| Union[Iterable[_InsertableElement], Tag] | tags | ||
| ) |
Appends one or more objects to the contents of this
`Tag`.
:param tags: If a list of `PageElement` objects is provided,
they will be appended to this tag's contents, one at a time.
If a single `Tag` is provided, its `Tag.contents` will be
used to extend this object's `Tag.contents`.
:return The list of PageElements that were appended.
| Union[_AtMostOneTag,_AtMostOneNavigableString,_AtMostOneElement] bs4.element.Tag.find | ( | self, | |
| _FindMethodName | name = None, |
||
| Optional[_StrainableAttributes] | attrs = None, |
||
| bool | recursive = True, |
||
| Optional[_StrainableString] | string = None, |
||
| **_StrainableAttribute | kwargs | ||
| ) |
Look in the children of this PageElement and find the first
PageElement that matches the given criteria.
All find_* methods take a common set of arguments. See the online
documentation for detailed explanations.
:param name: A filter on tag name.
:param attrs: Additional filters on attribute values.
:param recursive: If this is True, find() will perform a
recursive search of this Tag's children. Otherwise,
only the direct children will be considered.
:param string: A filter on the `Tag.string` attribute.
:kwargs: Additional filters on attribute values.
| Union[_SomeTags,_SomeNavigableStrings,_QueryResults] bs4.element.Tag.find_all | ( | self, | |
| _FindMethodName | name = None, |
||
| Optional[_StrainableAttributes] | attrs = None, |
||
| bool | recursive = True, |
||
| Optional[_StrainableString] | string = None, |
||
| Optional[int] | limit = None, |
||
| int | _stacklevel = 2, |
||
| **_StrainableAttribute | kwargs | ||
| ) |
Look in the children of this `PageElement` and find all
`PageElement` objects that match the given criteria.
All find_* methods take a common set of arguments. See the online
documentation for detailed explanations.
:param name: A filter on tag name.
:param attrs: Additional filters on attribute values.
:param recursive: If this is True, find_all() will perform a
recursive search of this PageElement's children. Otherwise,
only the direct children will be considered.
:param limit: Stop looking after finding this many results.
:param _stacklevel: Used internally to improve warning messages.
:kwargs: Additional filters on attribute values.
| Optional[_AttributeValue] bs4.element.Tag.get | ( | self, | |
| str | key, | ||
| Optional[_AttributeValue] | default = None |
||
| ) |
Returns the value of the 'key' attribute for the tag, or
the value given for 'default' if it doesn't have that
attribute.
:param key: The attribute to look for.
:param default: Use this value if the attribute is not present
on this `Tag`.
| AttributeValueList bs4.element.Tag.get_attribute_list | ( | self, | |
| str | key, | ||
| Optional[AttributeValueList] | default = None |
||
| ) |
The same as get(), but always returns a (possibly empty) list.
:param key: The attribute to look for.
:param default: Use this value if the attribute is not present
on this `Tag`.
:return: A list of strings, usually empty or containing only a single
value.
| bool bs4.element.Tag.has_attr | ( | self, | |
| str | key | ||
| ) |
Does this `Tag` have an attribute with the given name?
| bool bs4.element.Tag.has_key | ( | self, | |
| str | key | ||
| ) |
Deprecated method. This was kind of misleading because has_key() (attributes) was different from __in__ (contents). has_key() is gone in Python 3, anyway. :meta private:
| int bs4.element.Tag.index | ( | self, | |
| PageElement | element | ||
| ) |
Find the index of a child of this `Tag` (by identity, not value). Doing this by identity avoids issues when a `Tag` contains two children that have string equality. :param element: Look for this `PageElement` in this object's contents.
| List[PageElement] bs4.element.Tag.insert | ( | self, | |
| int | position, | ||
| *_InsertableElement | new_children | ||
| ) |
Insert one or more new PageElements as a child of this `Tag`. This works similarly to :py:meth:`list.insert`, except you can insert multiple elements at once. :param position: The numeric position that should be occupied in this Tag's `Tag.children` by the first new `PageElement`. :param new_children: The PageElements to insert. :return The newly inserted PageElements.
| bool bs4.element.Tag.is_empty_element | ( | self | ) |
Is this tag an empty-element tag? (aka a self-closing tag) A tag that has contents is never an empty-element tag. A tag that has no contents may or may not be an empty-element tag. It depends on the `TreeBuilder` used to create the tag. If the builder has a designated list of empty-element tags, then only a tag whose name shows up in that list is considered an empty-element tag. This is usually the case for HTML documents. If the builder has no designated list of empty-element, then any tag with no contents is an empty-element tag. This is usually the case for XML documents.
| Union[str, bytes] bs4.element.Tag.prettify | ( | self, | |
| Optional[_Encoding] | encoding = None, |
||
| _FormatterOrName | formatter = "minimal" |
||
| ) |
Pretty-print this `Tag` as a string or bytestring.
:param encoding: The encoding of the bytestring, or None if you want Unicode.
:param formatter: A Formatter object, or a string naming one of
the standard formatters.
:return: A string (if no ``encoding`` is provided) or a bytestring
(otherwise).
| Iterator[PageElement] bs4.element.Tag.recursiveChildGenerator | ( | self | ) |
Deprecated generator. :meta private:
| bytes bs4.element.Tag.renderContents | ( | self, | |
| _Encoding | encoding = DEFAULT_OUTPUT_ENCODING, |
||
| bool | prettyPrint = False, |
||
| Optional[int] | indentLevel = 0 |
||
| ) |
Deprecated method for BS3 compatibility. :meta private:
| ResultSet[Tag] bs4.element.Tag.select | ( | self, | |
| str | selector, | ||
| Optional[Dict[str, str]] | namespaces = None, |
||
| int | limit = 0, |
||
| **Any | kwargs | ||
| ) |
Perform a CSS selection operation on the current element. This uses the SoupSieve library. :param selector: A string containing a CSS selector. :param namespaces: A dictionary mapping namespace prefixes used in the CSS selector to namespace URIs. By default, Beautiful Soup will use the prefixes it encountered while parsing the document. :param limit: After finding this number of results, stop looking. :param kwargs: Keyword arguments to be passed into SoupSieve's soupsieve.select() method.
| Optional[Tag] bs4.element.Tag.select_one | ( | self, | |
| str | selector, | ||
| Optional[Dict[str, str]] | namespaces = None, |
||
| **Any | kwargs | ||
| ) |
Perform a CSS selection operation on the current element. :param selector: A CSS selector. :param namespaces: A dictionary mapping namespace prefixes used in the CSS selector to namespace URIs. By default, Beautiful Soup will use the prefixes it encountered while parsing the document. :param kwargs: Keyword arguments to be passed into Soup Sieve's soupsieve.select() method.
| Iterator[PageElement] bs4.element.Tag.self_and_descendants | ( | self | ) |
Iterate over this `Tag` and its children in a breadth-first sequence.
| None bs4.element.Tag.smooth | ( | self | ) |
Smooth out the children of this `Tag` by consolidating consecutive strings. If you perform a lot of operations that modify the tree, calling this method afterwards can make pretty-printed output look more natural.
| Optional[str] bs4.element.Tag.string | ( | self | ) |
Convenience property to get the single string within this `Tag`, assuming there is just one. :return: If this `Tag` has a single child that's a `NavigableString`, the return value is that string. If this element has one child `Tag`, the return value is that child's `Tag.string`, recursively. If this `Tag` has no children, or has more than one child, the return value is ``None``. If this property is unexpectedly returning ``None`` for you, it's probably because your `Tag` has more than one thing inside it.
| None bs4.element.Tag.string | ( | self, | |
| str | string | ||
| ) |
Replace the `Tag.contents` of this `Tag` with a single string.
| Self bs4.element.Tag.unwrap | ( | self | ) |
Replace this `PageElement` with its contents. :return: This object, no longer part of the tree.