Plugin architecture

jrnl/plugins/xml_exporter.py

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+#!/usr/bin/env python
+# encoding: utf-8
+
+from __future__ import absolute_import, unicode_literals
+from .json_exporter import JSONExporter
+from .util import get_tags_count
+from ..util import u
+from xml.dom import minidom
+
+
+class XMLExporter(JSONExporter):
+    """This Exporter can convert entries and journals into XML."""
+    names = ["xml"]
+    extension = "xml"
+
+    @classmethod
+    def export_entry(cls, entry, doc=None):
+        """Returns an XML representation of a single entry."""
+        doc_el = doc or minidom.Document()
+        entry_el = doc_el.createElement('entry')
+        for key, value in cls.entry_to_dict(entry).items():
+            elem = doc_el.createElement(key)
+            elem.appendChild(doc_el.createTextNode(u(value)))
+            entry_el.appendChild(elem)
+        if not doc:
+            doc_el.appendChild(entry_el)
+            return doc_el.toprettyxml()
+        else:
+            return entry_el
+
+    @classmethod
+    def export_journal(cls, journal):
+        """Returns an XML representation of an entire journal."""
+        tags = get_tags_count(journal)
+        doc = minidom.Document()
+        xml = doc.createElement('journal')
+        tags_el = doc.createElement('tags')
+        entries_el = doc.createElement('entries')
+        for tag in tags:
+            tag_el = doc.createElement('tag')
+            tag_el.setAttribute('name', tag[1])
+            count_node = doc.createTextNode(u(tag[0]))
+            tag.appendChild(count_node)
+            tags_el.appendChild(tag)
+        for entry in journal.entries:
+            entries_el.appendChild(cls.entry_to_xml(entry, doc))
+        xml.appendChild(entries_el)
+        xml.appendChild(tags_el)
+        doc.appendChild(xml)
+        return doc.toprettyxml()