Fix the caption of figure is always put on center even if `:align:` was specified

CHANGES

@@ -50,6 +50,7 @@ Bugs fixed
 * #2483: any figure number was not assigned if figure title contains only non text objects
 * #2501: Unicode subscript numbers are normalized in LaTeX
 * #2492: Figure directive with :figwidth: generates incorrect Latex-code
+* The caption of figure is always put on center even if ``:align:`` was specified
 
 
 Release 1.4.1 (released Apr 12, 2016)

sphinx/writers/latex.py

@@ -1424,10 +1424,13 @@ class LaTeXTranslator(nodes.NodeVisitor):
            isinstance(node.children[0], nodes.image) and
            node.children[0]['ids']):
             ids += self.hypertarget(node.children[0]['ids'][0], anchor=False)
-        if 'width' in node and node.get('align', '') in ('left', 'right'):
+        if node.get('align', '') in ('left', 'right'):
+            if 'width' in node:
+                length = width_to_latex_length(node['width'])
+            else:
+                length = '0pt'
             self.body.append('\\begin{wrapfigure}{%s}{%s}\n\\centering' %
-                             (node['align'] == 'right' and 'r' or 'l',
+                             (node['align'] == 'right' and 'r' or 'l', length))
-                              width_to_latex_length(node['width'])))
             self.context.append(ids + '\\end{wrapfigure}\n')
         elif self.in_minipage:
             if ('align' not in node.attributes or

tests/root/markup.txt

@@ -235,6 +235,11 @@ Figures
 
    Description paragraph is wraped with legend node.
 
+.. figure:: rimg.png
+   :align: right
+
+   figure with align option
+
 .. figure:: rimg.png
    :align: right
    :figwidth: 50%

tests/test_build_html.py

@@ -31,14 +31,14 @@ http://www.python.org/logo.png
 reading included file u'.*?wrongenc.inc' seems to be wrong, try giving an \
 :encoding: option\\n?
 %(root)s/includes.txt:4: WARNING: download file not readable: .*?nonexisting.png
-(%(root)s/markup.txt:368: WARNING: invalid single index entry u'')?
+(%(root)s/markup.txt:373: WARNING: invalid single index entry u'')?
 (%(root)s/undecodable.txt:3: WARNING: undecodable source characters, replacing \
 with "\\?": b?'here: >>>(\\\\|/)xbb<<<'
 )?"""
 
 HTML_WARNINGS = ENV_WARNINGS + """\
 %(root)s/images.txt:20: WARNING: no matching candidate for image URI u'foo.\\*'
-%(root)s/markup.txt:280: WARNING: Could not lex literal_block as "c". Highlighting skipped.
+%(root)s/markup.txt:285: WARNING: Could not lex literal_block as "c". Highlighting skipped.
 %(root)s/footnote.txt:60: WARNING: citation not found: missing
 %(root)s/markup.txt:164: WARNING: unknown option: &option
 """

tests/test_build_latex.py

@@ -27,7 +27,7 @@ LATEX_WARNINGS = ENV_WARNINGS + """\
 %(root)s/markup.txt:164: WARNING: unknown option: &option
 %(root)s/footnote.txt:60: WARNING: citation not found: missing
 %(root)s/images.txt:20: WARNING: no matching candidate for image URI u'foo.\\*'
-%(root)s/markup.txt:280: WARNING: Could not lex literal_block as "c". Highlighting skipped.
+%(root)s/markup.txt:285: WARNING: Could not lex literal_block as "c". Highlighting skipped.
 """
 
 if PY3:
@@ -111,9 +111,13 @@ def test_writer(app, status, warning):
     app.builder.build_all()
     result = (app.outdir / 'SphinxTests.tex').text(encoding='utf8')
 
+    assert ('\\begin{wrapfigure}{r}{0pt}\n\\centering\n'
+            '\\includegraphics{{rimg}.png}\n\\caption{figure with align option}'
+            '\\label{markup:id7}\\end{wrapfigure}' in result)
+
     assert ('\\begin{wrapfigure}{r}{0.500\\linewidth}\n\\centering\n'
             '\\includegraphics{{rimg}.png}\n\\caption{figure with align \\& figwidth option}'
-            '\\label{markup:id7}\\end{wrapfigure}' in result)
+            '\\label{markup:id8}\\end{wrapfigure}' in result)
 
 
 @with_app(buildername='latex', freshenv=True,  # use freshenv to check warnings