Translator on current builder

hoverxref/domains.py

@@ -52,6 +52,16 @@ def _get_docpath(self, builder, docname):
         return docpath
 
     def _is_ignored_ref(self, env, target):
+        # HACK: skip all references if the builder is non-html. We shouldn't
+        # have overridden the Domain in first instance at ``setup_domains``
+        # function, but at that time ``app.builder`` is not yet initialized. If
+        # we suscribe ourselves to ``builder-initied`` it's too late and our
+        # override does not take effect. Other builders (e.g. LatexBuilder) may
+        # fail with internal functions we use (e.g. builder.get_outfilename).
+        # So, we are skipping it here :(
+        if env.app.builder.format != 'html':
+            return True
+
         if target in env.config.hoverxref_ignore_refs:
             logger.info(
                 'Ignoring reference in hoverxref_ignore_refs. target=%s',

hoverxref/extension.py

@@ -147,31 +147,32 @@ def setup_translators(app):
     and our own ``HoverXRefHTMLTranslatorMixin`` that includes the logic to
     ``_hoverxref`` attributes.
     """
-    if not app.registry.translators.items():
+
+    if app.builder.format != 'html':
+        # do not modify non-html builders
+        return
+
+    for name, klass in app.registry.translators.items():
         translator = types.new_class(
             'HoverXRefHTMLTranslator',
             (
                 HoverXRefHTMLTranslatorMixin,
-                app.builder.default_translator_class,
+                klass,
             ),
             {},
         )
-        app.set_translator(app.builder.name, translator, override=True)
-    else:
-        for name, klass in app.registry.translators.items():
-            if app.builder.format != 'html':
-                # Skip translators that are not HTML
-                continue
-
-            translator = types.new_class(
-                'HoverXRefHTMLTranslator',
-                (
-                    HoverXRefHTMLTranslatorMixin,
-                    klass,
-                ),
-                {},
-            )
-            app.set_translator(name, translator, override=True)
+        app.set_translator(name, translator, override=True)
+
+    translator = types.new_class(
+        'HoverXRefHTMLTranslator',
+        (
+            HoverXRefHTMLTranslatorMixin,
+            app.builder.default_translator_class,
+        ),
+        {},
+    )
+    app.set_translator(app.builder.name, translator, override=True)
+
 
 
 def is_hoverxref_configured(app, config):

tests/conftest.py

@@ -0,0 +1,14 @@
+import os
+import shutil
+import pytest
+
+from .utils import srcdir, prefixdocumentsrcdir, customobjectsrcdir, pythondomainsrcdir
+
+
+@pytest.fixture(autouse=True, scope='function')
+def remove_sphinx_build_output():
+    """Remove _build/ folder, if exist."""
+    for path in (srcdir, prefixdocumentsrcdir, customobjectsrcdir, pythondomainsrcdir):
+        build_path = os.path.join(path, '_build')
+        if os.path.exists(build_path):
+            shutil.rmtree(build_path)

tests/examples/default/conf.py

@@ -5,3 +5,8 @@
     'sphinx.ext.autosectionlabel',
     'hoverxref.extension',
 ]
+
+latex_documents = [
+    (master_doc, 'test.tex', u'test Documentation',
+     u'test', 'manual'),
+]

tests/examples/default/index.rst

@@ -9,3 +9,10 @@ Using ``hoverxref`` (or ``ref`` if ``hoverxref_auto_ref=True``) should add an ``
 :ref:`This a :ref: to Chapter I <Chapter I>`.
 
 :hoverxref:`This a :hoverxref: to Chapter I, Section I <Section I>`.
+
+.. _example-reference:
+
+Example Reference
+-----------------
+
+This is a reference to :ref:`example-reference`.

tests/test_htmltag.py

@@ -1,43 +1,6 @@
-import os
 import pytest
-import shutil
 
-
-srcdir = os.path.join(
-    os.path.dirname(os.path.abspath(__file__)),
-    'examples',
-    'default',
-)
-
-# srcdir with ``autosectionlabel_prefix_document = True`` config
-prefixdocumentsrcdir = os.path.join(
-    os.path.dirname(os.path.abspath(__file__)),
-    'examples',
-    'prefixdocument',
-)
-
-# srcdir with ``Sphinx.add_object_type`` call
-customobjectsrcdir = os.path.join(
-    os.path.dirname(os.path.abspath(__file__)),
-    'examples',
-    'custom-object',
-)
-
-# srcdir with ``:py:class:`` call
-pythondomainsrcdir = os.path.join(
-    os.path.dirname(os.path.abspath(__file__)),
-    'examples',
-    'python-domain',
-)
-
-
-@pytest.fixture(autouse=True, scope='function')
-def remove_sphinx_build_output():
-    """Remove _build/ folder, if exist."""
-    for path in (srcdir, prefixdocumentsrcdir, customobjectsrcdir, pythondomainsrcdir):
-        build_path = os.path.join(path, '_build')
-        if os.path.exists(build_path):
-            shutil.rmtree(build_path)
+from .utils import srcdir, prefixdocumentsrcdir, customobjectsrcdir, pythondomainsrcdir
 
 
 @pytest.mark.sphinx(

tests/test_internals.py

@@ -0,0 +1,80 @@
+import inspect
+import os
+import pytest
+import shutil
+from unittest import mock
+
+from hoverxref.translators import HoverXRefHTMLTranslatorMixin
+
+from .utils import srcdir
+
+
+@pytest.mark.sphinx(
+    srcdir=srcdir,
+    buildername='latex',
+    confoverrides={
+        'hoverxref_project': 'myproject',
+        'hoverxref_version': 'myversion',
+    },
+)
+def test_dont_override_translator_non_html_builder(app, status, warning):
+    app.build()
+    path = app.outdir / 'test.tex'
+    assert path.exists() is True
+    content = open(path).read()
+
+    assert app.builder.format == 'latex'
+    for name, klass in app.registry.translators.items():
+        assert not issubclass(klass, HoverXRefHTMLTranslatorMixin)
+
+
+@pytest.mark.sphinx(
+    srcdir=srcdir,
+    buildername='html',
+    confoverrides={
+        'hoverxref_project': 'myproject',
+        'hoverxref_version': 'myversion',
+    },
+)
+def test_override_translator_non_html_builder(app, status, warning):
+    app.build()
+    path = app.outdir / 'index.html'
+    assert path.exists() is True
+    content = open(path).read()
+
+    assert app.builder.format == 'html'
+    for name, klass in app.registry.translators.items():
+        assert issubclass(klass, HoverXRefHTMLTranslatorMixin)
+
+
+@pytest.mark.sphinx(
+    srcdir=srcdir,
+    buildername='latex',
+    confoverrides={
+        'hoverxref_project': 'myproject',
+        'hoverxref_version': 'myversion',
+        'hoverxref_auto_ref': True,
+    },
+)
+def test_dont_fail_non_html_builder(app, status, warning):
+    """
+    Test our resolver is not used by non-HTML builder.
+
+    When running the build with ``latex`` as builder and
+    ``hoverxref_auto_ref=True`` it should not fail with
+
+    def _get_docpath(self, builder, docname):
+        docpath = builder.get_outfilename(docname)
+        AttributeError: 'LaTeXBuilder' object has no attribute 'get_outfilename'
+
+    LaTeXBuilder should never use our resolver.
+    """
+
+    with mock.patch('hoverxref.domains.HoverXRefBaseDomain._get_docpath') as _get_docpath:
+        app.build()
+        assert not _get_docpath.called
+    path = app.outdir / 'test.tex'
+    assert path.exists() is True
+    content = open(path).read()
+
+    assert app.builder.format == 'latex'

tests/utils.py

@@ -0,0 +1,29 @@
+import os
+
+
+srcdir = os.path.join(
+    os.path.dirname(os.path.abspath(__file__)),
+    'examples',
+    'default',
+)
+
+# srcdir with ``autosectionlabel_prefix_document = True`` config
+prefixdocumentsrcdir = os.path.join(
+    os.path.dirname(os.path.abspath(__file__)),
+    'examples',
+    'prefixdocument',
+)
+
+# srcdir with ``Sphinx.add_object_type`` call
+customobjectsrcdir = os.path.join(
+    os.path.dirname(os.path.abspath(__file__)),
+    'examples',
+    'custom-object',
+)
+
+# srcdir with ``:py:class:`` call
+pythondomainsrcdir = os.path.join(
+    os.path.dirname(os.path.abspath(__file__)),
+    'examples',
+    'python-domain',
+)