fix #1613 -- fix pyphen with unavailable languages

Kwpolska · Kwpolska · commit 1b29533cc71b · 2015-02-07T11:53:15.000+01:00
Signed-off-by: Chris Warrick &lt;kwpolska@gmail.com&gt;
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -10,6 +10,8 @@ Features
 Bugfixes
 --------
 
+* Use pyphen properly when there are no dictionaries for this language
+  (Issue #1613)
 * Fix ``nikola deploy`` when there is no cache (Issue #1615)
 * Report issues in scale_images properly (Issue #1598)
 * Correctly read sub-timezones in ``nikola init`` (via Issue #1599)
diff --git a/nikola/nikola.py b/nikola/nikola.py
@@ -165,8 +165,8 @@
         ko='kr',  # kr is South Korea, ko is the Korean language
         nb='no',
         nl='nl',
-        pt_br='pt-br',
         pl='pl',
+        pt_br='pt-br',
         ru='ru',
         sk='sk',
         sl='si',  # country code is si, language code is sl, colorbox is wrong
@@ -197,8 +197,8 @@
         ko='ko',
         nb='nb',
         nl='nl',
-        pt_br='pt-br',
         pl='pl',
+        pt_br='pt-br',
         ru='ru',
         sk='sk',
         sl='sl',
@@ -207,6 +207,30 @@
         tr='tr',
         zh_cn='zh-cn'
     ),
+    'PYPHEN_LOCALES': {
+        'bg': 'bg',
+        'ca': 'ca',
+        'cs': 'cs',
+        'cz': 'cs',
+        'da': 'da',
+        'de': 'de',
+        'el': 'el',
+        'en': 'en',
+        'es': 'es',
+        'et': 'et',
+        'fr': 'fr',
+        'hr': 'hr',
+        'it': 'it',
+        'nb': 'nb',
+        'nl': 'nl',
+        'pl': 'pl',
+        'pt_br': 'pt_BR',
+        'ru': 'ru',
+        'sk': 'sk',
+        'sl': 'sl',
+        'sr': 'sr',
+        'sv': 'sv',
+    },
 }
 
 
diff --git a/nikola/post.py b/nikola/post.py
@@ -955,9 +955,18 @@ def get_meta(post, file_metadata_regexp=None, unslugify_titles=False, lang=None)
     return meta, newstylemeta
 
 
-def hyphenate(dom, lang):
-    if pyphen is not None:
-        hyphenator = pyphen.Pyphen(lang=lang)
+def hyphenate(dom, _lang):
+    # circular import prevention
+    from .nikola import LEGAL_VALUES
+    lang = LEGAL_VALUES['PYPHEN_LOCALES'].get(_lang, pyphen.language_fallback(_lang))
+    if pyphen is not None and lang is not None:
+        # If pyphen does exist, we tell the user when configuring the site.
+        # If it does not support a language, we ignore it quietly.
+        try:
+            hyphenator = pyphen.Pyphen(lang=lang)
+        except KeyError:
+            LOGGER.error("Cannot find hyphenation dictoniaries for {0} (from {1}).".format(lang, _lang))
+            LOGGER.error("Pyphen cannot be installed to ~/.local (pip install --user).")
         for tag in ('p', 'li', 'span'):
             for node in dom.xpath("//%s[not(parent::pre)]" % tag):
                 math_found = False
