Format files with black

- Format all files with black
- Update tox.ini flake8 arguments to be compatible
- Add black to requirements-extra.txt
- Reduce ignored flake8 rules and fix a few violations

hscommon/trans.py

@@ -19,6 +19,7 @@ _trfunc = None
 _trget = None
 installed_lang = None
 
+
 def tr(s, context=None):
     if _trfunc is None:
         return s
@@ -28,6 +29,7 @@ def tr(s, context=None):
         else:
             return _trfunc(s)
 
+
 def trget(domain):
     # Returns a tr() function for the specified domain.
     if _trget is None:
@@ -35,57 +37,61 @@ def trget(domain):
     else:
         return _trget(domain)
 
+
 def set_tr(new_tr, new_trget=None):
     global _trfunc, _trget
     _trfunc = new_tr
     if new_trget is not None:
         _trget = new_trget
 
+
 def get_locale_name(lang):
     if ISWINDOWS:
         # http://msdn.microsoft.com/en-us/library/39cwe7zf(vs.71).aspx
         LANG2LOCALENAME = {
-            'cs': 'czy',
-            'de': 'deu',
-            'el': 'grc',
-            'es': 'esn',
-            'fr': 'fra',
-            'it': 'ita',
-            'ko': 'korean',
-            'nl': 'nld',
-            'pl_PL': 'polish_poland',
-            'pt_BR': 'ptb',
-            'ru': 'rus',
-            'zh_CN': 'chs',
+            "cs": "czy",
+            "de": "deu",
+            "el": "grc",
+            "es": "esn",
+            "fr": "fra",
+            "it": "ita",
+            "ko": "korean",
+            "nl": "nld",
+            "pl_PL": "polish_poland",
+            "pt_BR": "ptb",
+            "ru": "rus",
+            "zh_CN": "chs",
         }
     else:
         LANG2LOCALENAME = {
-            'cs': 'cs_CZ',
-            'de': 'de_DE',
-            'el': 'el_GR',
-            'es': 'es_ES',
-            'fr': 'fr_FR',
-            'it': 'it_IT',
-            'nl': 'nl_NL',
-            'hy': 'hy_AM',
-            'ko': 'ko_KR',
-            'pl_PL': 'pl_PL',
-            'pt_BR': 'pt_BR',
-            'ru': 'ru_RU',
-            'uk': 'uk_UA',
-            'vi': 'vi_VN',
-            'zh_CN': 'zh_CN',
+            "cs": "cs_CZ",
+            "de": "de_DE",
+            "el": "el_GR",
+            "es": "es_ES",
+            "fr": "fr_FR",
+            "it": "it_IT",
+            "nl": "nl_NL",
+            "hy": "hy_AM",
+            "ko": "ko_KR",
+            "pl_PL": "pl_PL",
+            "pt_BR": "pt_BR",
+            "ru": "ru_RU",
+            "uk": "uk_UA",
+            "vi": "vi_VN",
+            "zh_CN": "zh_CN",
         }
     if lang not in LANG2LOCALENAME:
         return None
     result = LANG2LOCALENAME[lang]
     if ISLINUX:
-        result += '.UTF-8'
+        result += ".UTF-8"
     return result
 
-#--- Qt
+
+# --- Qt
 def install_qt_trans(lang=None):
     from PyQt5.QtCore import QCoreApplication, QTranslator, QLocale
+
     if not lang:
         lang = str(QLocale.system().name())[:2]
     localename = get_locale_name(lang)
@@ -95,54 +101,66 @@ def install_qt_trans(lang=None):
         except locale.Error:
             logging.warning("Couldn't set locale %s", localename)
     else:
-        lang = 'en'
+        lang = "en"
     qtr1 = QTranslator(QCoreApplication.instance())
-    qtr1.load(':/qt_%s' % lang)
+    qtr1.load(":/qt_%s" % lang)
     QCoreApplication.installTranslator(qtr1)
     qtr2 = QTranslator(QCoreApplication.instance())
-    qtr2.load(':/%s' % lang)
+    qtr2.load(":/%s" % lang)
     QCoreApplication.installTranslator(qtr2)
-    def qt_tr(s, context='core'):
+
+    def qt_tr(s, context="core"):
         return str(QCoreApplication.translate(context, s, None))
+
     set_tr(qt_tr)
 
-#--- gettext
+
+# --- gettext
 def install_gettext_trans(base_folder, lang):
     import gettext
+
     def gettext_trget(domain):
         if not lang:
             return lambda s: s
         try:
-            return gettext.translation(domain, localedir=base_folder, languages=[lang]).gettext
+            return gettext.translation(
+                domain, localedir=base_folder, languages=[lang]
+            ).gettext
         except IOError:
             return lambda s: s
 
-    default_gettext = gettext_trget('core')
+    default_gettext = gettext_trget("core")
+
     def gettext_tr(s, context=None):
         if not context:
             return default_gettext(s)
         else:
             trfunc = gettext_trget(context)
             return trfunc(s)
+
     set_tr(gettext_tr, gettext_trget)
     global installed_lang
     installed_lang = lang
 
+
 def install_gettext_trans_under_cocoa():
     from cocoa import proxy
+
     resFolder = proxy.getResourcePath()
-    baseFolder = op.join(resFolder, 'locale')
+    baseFolder = op.join(resFolder, "locale")
     currentLang = proxy.systemLang()
     install_gettext_trans(baseFolder, currentLang)
     localename = get_locale_name(currentLang)
     if localename is not None:
         locale.setlocale(locale.LC_ALL, localename)
 
+
 def install_gettext_trans_under_qt(base_folder, lang=None):
     # So, we install the gettext locale, great, but we also should try to install qt_*.qm if
     # available so that strings that are inside Qt itself over which I have no control are in the
     # right language.
     from PyQt5.QtCore import QCoreApplication, QTranslator, QLocale, QLibraryInfo
+
     if not lang:
         lang = str(QLocale.system().name())[:2]
     localename = get_locale_name(lang)
@@ -151,7 +169,7 @@ def install_gettext_trans_under_qt(base_folder, lang=None):
             locale.setlocale(locale.LC_ALL, localename)
         except locale.Error:
             logging.warning("Couldn't set locale %s", localename)
-    qmname = 'qt_%s' % lang
+    qmname = "qt_%s" % lang
     if ISLINUX:
         # Under linux, a full Qt installation is already available in the system, we didn't bundle
         # up the qm files in our package, so we have to load translations from the system.