cli: Don't try to infer backend from output filename if output is stdout

Author: cpitclaudel

alectryon/cli.py

@@ -483,7 +483,7 @@ def infer_frontend(fpath):
     return infer_mode(fpath, "input", "--frontend", FRONTENDS_BY_EXTENSION)
 
 def infer_backend(frontend, out_fpath):
-    if out_fpath:
+    if out_fpath and out_fpath != "-":
         return infer_mode(out_fpath, "output", "--backend", BACKENDS_BY_EXTENSION)
     return DEFAULT_BACKENDS[frontend]
 

recipes/_output/tests/stylesheets.html

@@ -24,15 +24,13 @@ <h1 class="title">Stylesheets and Pygments stylesheets</h1>
 <p>To compile:</p>
 <pre class="literal-block">
 $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \
-    alectryon stylesheets.v \
-    --pygments-style emacs --backend webpage -o - \
+    alectryon stylesheets.v --pygments-style emacs -o - \
     | sed -r '/^ *&lt;style type=&quot;text.css&quot;&gt;/,/^ *&lt;.style&gt;/ { /^ *&lt;style |&lt;.style&gt;|Alectryon/b; d}' \
     &gt; stylesheets.html
   # reST → HTML; produces ‘stylesheets.html’
 
 $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \
-    alectryon stylesheets.v \
-    --pygments-style emacs --backend latex -o - \
+    alectryon stylesheets.v --pygments-style emacs --backend latex -o - \
     | sed -r '/^% embedded stylesheet/,/^\\makeatother/ { /^\\makeat|Alectryon/b; d}' \
     &gt; stylesheets.part.tex
   # reST → LaTeX; produces ‘stylesheets.part.tex’

recipes/_output/tests/stylesheets.part.tex

@@ -52,15 +52,13 @@
 \begin{quote}
 \begin{alltt}
 $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \textbackslash{}
-    alectryon stylesheets.v \textbackslash{}
-    -{}-pygments-style emacs -{}-backend webpage -o - \textbackslash{}
+    alectryon stylesheets.v -{}-pygments-style emacs -o - \textbackslash{}
     | sed -r '/^ *<style type="text.css">/,/^ *<.style>/ \{ /^ *<style |<.style>|Alectryon/b; d\}' \textbackslash{}
     > stylesheets.html
   # reST → HTML; produces ‘stylesheets.html’
 
 $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \textbackslash{}
-    alectryon stylesheets.v \textbackslash{}
-    -{}-pygments-style emacs -{}-backend latex -o - \textbackslash{}
+    alectryon stylesheets.v -{}-pygments-style emacs -{}-backend latex -o - \textbackslash{}
     | sed -r '/^% embedded stylesheet/,/^\textbackslash{}\textbackslash{}makeatother/ \{ /^\textbackslash{}\textbackslash{}makeat|Alectryon/b; d\}' \textbackslash{}
     > stylesheets.part.tex
   # reST → LaTeX; produces ‘stylesheets.part.tex’

recipes/tests.mk

@@ -69,7 +69,7 @@ _output/tests/screenshot.html: tests/screenshot.v
 # reST → HTML
 _output/tests/stylesheets.html: tests/stylesheets.v
 	DOCUTILSCONFIG=tests/stylesheets.docutils.conf \
-       $(alectryon) $< --pygments-style emacs --backend webpage -o - | sed -r '/^ *<style type="text.css">/,/^ *<.style>/ { /^ *<style |<.style>|Alectryon/b; d}' > $@
+       $(alectryon) $< --pygments-style emacs -o - | sed -r '/^ *<style type="text.css">/,/^ *<.style>/ { /^ *<style |<.style>|Alectryon/b; d}' > $@
 # reST → LaTeX
 _output/tests/stylesheets.part.tex: tests/stylesheets.v
 	DOCUTILSCONFIG=tests/stylesheets.docutils.conf \

recipes/tests/stylesheets.v

@@ -6,15 +6,13 @@
 To compile::
 
    $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \
-       alectryon stylesheets.v \
-       --pygments-style emacs --backend webpage -o - \
+       alectryon stylesheets.v --pygments-style emacs -o - \
        | sed -r '/^ *<style type="text.css">/,/^ *<.style>/ { /^ *<style |<.style>|Alectryon/b; d}' \
        > stylesheets.html
      # reST → HTML; produces ‘stylesheets.html’
 
    $ DOCUTILSCONFIG=tests/stylesheets.docutils.conf \
-       alectryon stylesheets.v \
-       --pygments-style emacs --backend latex -o - \
+       alectryon stylesheets.v --pygments-style emacs --backend latex -o - \
        | sed -r '/^% embedded stylesheet/,/^\\makeatother/ { /^\\makeat|Alectryon/b; d}' \
        > stylesheets.part.tex
      # reST → LaTeX; produces ‘stylesheets.part.tex’