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+"""Hyperlink-related proxy objects for python-docx, Hyperlink in particular.
+
+A hyperlink occurs in a paragraph, at the same level as a Run, and a hyperlink itself
+contains runs, which is where the visible text of the hyperlink is stored. So it's kind
+of in-between, less than a paragraph and more than a run. So it gets its own module.
+"""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+
+from docx.shared import Parented
+from docx.text.run import Run
+
+if TYPE_CHECKING:
+ import docx.types as t
+ from docx.oxml.text.hyperlink import CT_Hyperlink
+
+
+class Hyperlink(Parented):
+ """Proxy object wrapping a `<w:hyperlink>` element.
+
+ A hyperlink occurs as a child of a paragraph, at the same level as a Run. A
+ hyperlink itself contains runs, which is where the visible text of the hyperlink is
+ stored.
+ """
+
+ def __init__(self, hyperlink: CT_Hyperlink, parent: t.ProvidesStoryPart):
+ super().__init__(parent)
+ self._parent = parent
+ self._hyperlink = self._element = hyperlink
+
+ @property
+ def address(self) -> str:
+ """The "URL" of the hyperlink (but not necessarily a web link).
+
+ While commonly a web link like "https://google.com" the hyperlink address can
+ take a variety of forms including "internal links" to bookmarked locations
+ within the document. When this hyperlink is an internal "jump" to for example a
+ heading from the table-of-contents (TOC), the address is blank. The bookmark
+ reference (like "_Toc147925734") is stored in the `.fragment` property.
+ """
+ rId = self._hyperlink.rId
+ return self._parent.part.rels[rId].target_ref if rId else ""
+
+ @property
+ def contains_page_break(self) -> bool:
+ """True when the text of this hyperlink is broken across page boundaries.
+
+ This is not uncommon and can happen for example when the hyperlink text is
+ multiple words and occurs in the last line of a page. Theoretically, a hyperlink
+ can contain more than one page break but that would be extremely uncommon in
+ practice. Still, this value should be understood to mean that "one-or-more"
+ rendered page breaks are present.
+ """
+ return bool(self._hyperlink.lastRenderedPageBreaks)
+
+ @property
+ def fragment(self) -> str:
+ """Reference like `#glossary` at end of URL that refers to a sub-resource.
+
+ Note that this value does not include the fragment-separator character ("#").
+
+ This value is known as a "named anchor" in an HTML context and "anchor" in the
+ MS API, but an "anchor" element (`<a>`) represents a full hyperlink in HTML so
+ we avoid confusion by using the more precise RFC 3986 naming "URI fragment".
+
+ These are also used to refer to bookmarks within the same document, in which
+ case the `.address` value with be blank ("") and this property will hold a
+ value like "_Toc147925734".
+
+ To reliably get an entire web URL you will need to concatenate this with the
+ `.address` value, separated by "#" when both are present. Consider using the
+ `.url` property for that purpose.
+
+ Word sometimes stores a fragment in this property (an XML attribute) and
+ sometimes with the address, depending on how the URL is inserted, so don't
+ depend on this field being empty to indicate no fragment is present.
+ """
+ return self._hyperlink.anchor or ""
+
+ @property
+ def runs(self) -> list[Run]:
+ """List of |Run| instances in this hyperlink.
+
+ Together these define the visible text of the hyperlink. The text of a hyperlink
+ is typically contained in a single run will be broken into multiple runs if for
+ example part of the hyperlink is bold or the text was changed after the document
+ was saved.
+ """
+ return [Run(r, self._parent) for r in self._hyperlink.r_lst]
+
+ @property
+ def text(self) -> str:
+ """String formed by concatenating the text of each run in the hyperlink.
+
+ Tabs and line breaks in the XML are mapped to ``\\t`` and ``\\n`` characters
+ respectively. Note that rendered page-breaks can occur within a hyperlink but
+ they are not reflected in this text.
+ """
+ return self._hyperlink.text
+
+ @property
+ def url(self) -> str:
+ """Convenience property to get web URLs from hyperlinks that contain them.
+
+ This value is the empty string ("") when there is no address portion, so its
+ boolean value can also be used to distinguish external URIs from internal "jump"
+ hyperlinks like those found in a table-of-contents.
+
+ Note that this value may also be a link to a file, so if you only want web-urls
+ you'll need to check for a protocol prefix like `https://`.
+
+ When both an address and fragment are present, the return value joins the two
+ separated by the fragment-separator hash ("#"). Otherwise this value is the same
+ as that of the `.address` property.
+ """
+ address, fragment = self.address, self.fragment
+ if not address:
+ return ""
+ return f"{address}#{fragment}" if fragment else address