Add skip_noqa argument to skip "noqa"-commented lines (fix #2)

README.adoc

@@ -47,6 +47,7 @@ Options:
 * `-h`, `--help`: display help message and exit
 * `-c`, `--no-compile`: do not check compilation of file (with `msgfmt -c`)
 * `-f`, `--fuzzy`: check fuzzy strings
+* `-n`, `--skip-noqa`: do not check "noqa"-commented lines
 * `-l`, `--no-lines`: do not check number of lines
 * `-p`, `--no-punct`: do not check punctuation at end of strings
 * `-s id|str`, `--spelling id|str`: check spelling (`id` = source messages,

msgcheck/msgcheck.py

@@ -65,6 +65,8 @@ def msgcheck_parser():
                         help='do not check compilation of file')
     parser.add_argument('-f', '--fuzzy', action='store_true',
                         help='check fuzzy strings')
+    parser.add_argument('-n', '--skip-noqa', action='store_true',
+                        help='do not check "noqa"-commented lines')
     parser.add_argument('-l', '--no-lines', action='store_true',
                         help='do not check number of lines')
     parser.add_argument('-p', '--no-punct', action='store_true',
@@ -112,7 +114,7 @@ def main():
 
     # create checker and set boolean options
     po_check = PoCheck()
-    for option in ('no_compile', 'fuzzy', 'no_lines', 'no_punct',
+    for option in ('no_compile', 'fuzzy', 'skip_noqa', 'no_lines', 'no_punct',
                    'no_whitespace', 'no_whitespace_eol', 'extract'):
         if args.__dict__[option]:
             po_check.set_check(option.lstrip('no_'),

msgcheck/po.py

@@ -110,7 +110,7 @@ class PoMessage(object):
     """
 
     # pylint: disable=too-many-arguments
-    def __init__(self, filename, line, msg, charset, fuzzy, fmt):
+    def __init__(self, filename, line, msg, charset, fuzzy, fmt, noqa):
         """Build a PO message."""
         self.filename = filename
         self.line = line
@@ -136,6 +136,7 @@ def __init__(self, filename, line, msg, charset, fuzzy, fmt):
             self.messages.append((msg.get('msgid', ''), msg.get('msgstr', '')))
         self.fuzzy = fuzzy
         self.fmt = fmt
+        self.noqa = noqa
 
     def check_lines(self):
         """
@@ -297,7 +298,8 @@ def __init__(self, filename):
         }
         self.msgs = []
 
-    def _add_message(self, numline_msgid, fuzzy, fmt, msg):
+    # pylint: disable=too-many-arguments
+    def _add_message(self, numline_msgid, fuzzy, fmt, noqa, msg):
         """
         Add a message from PO file in list of messages.
         """
@@ -314,7 +316,7 @@ def _add_message(self, numline_msgid, fuzzy, fmt, msg):
             if match:
                 self.props['charset'] = match.group(1)
         self.msgs.append(PoMessage(self.filename, numline_msgid, msg,
-                                   self.props['charset'], fuzzy, fmt))
+                                   self.props['charset'], fuzzy, fmt, noqa))
 
     def read(self):
         """
@@ -323,6 +325,7 @@ def read(self):
         self.msgs = []
         numline, numline_msgid = (0, 0)
         fuzzy, msgfuzzy = (False, False)
+        noqa, msgnoqa = (False, False)
         fmt, msgfmt = (None, None)
         msg = {}
         msgcurrent = ''
@@ -337,6 +340,7 @@ def read(self):
                     match = re.search(r'([a-z-]+)-format', line, re.IGNORECASE)
                     fmt = match.group(1) if match else None
                 if line.startswith('#'):
+                    noqa = 'noqa' in line
                     continue
                 if line.startswith('msg'):
                     match = re.match(
@@ -351,9 +355,12 @@ def read(self):
                                 self._add_message(numline_msgid,
                                                   msgfuzzy,
                                                   msgfmt,
+                                                  msgnoqa,
                                                   msg)
                             msgfuzzy = fuzzy
+                            msgnoqa = noqa
                             fuzzy = False
+                            noqa = False
                             msgfmt = fmt
                             fmt = None
                             msg = {}
@@ -364,6 +371,7 @@ def read(self):
                 self._add_message(numline_msgid,
                                   msgfuzzy,
                                   msgfmt,
+                                  msgnoqa,
                                   msg)
 
     def compile(self):
@@ -389,6 +397,7 @@ def __init__(self):
         self.checks = {
             'compile': True,
             'fuzzy': False,
+            'skip_noqa': False,
             'lines': True,
             'punct': True,
             'whitespace': True,
@@ -478,7 +487,10 @@ def check_pofile(self, po_file):
 
         # check all messages
         check_fuzzy = self.checks['fuzzy']
+        skip_noqa = self.checks['skip_noqa']
         for msg in po_file.msgs:
+            if skip_noqa and msg.noqa:
+                continue
             if msg.fuzzy and not check_fuzzy:
                 continue
             if self.checks['extract']:

tests/fr_errors.po

@@ -48,6 +48,7 @@ msgstr "Test 2 sur deux lignes.\nLigne 2.\nLigne 3."
 msgid "Tested 1."
 msgstr "Testé 1"
 
+#, noqa
 msgid "Tested 2"
 msgstr "Testé 2."
 

tests/test_msgcheck.py

@@ -96,6 +96,17 @@ def test_checks_fuzzy(self):
         # the file has 11 errors (with the fuzzy string)
         self.assertEqual(len(result[0][1]), 11)
 
+    def test_checks_noqa(self):
+        """Test checks on a gettext file ignoring `noqa`-commented lines."""
+        po_check = PoCheck()
+        po_check.set_check('skip_noqa', True)
+        result = po_check.check_files([local_path('fr_errors.po')])
+        # be sure we have one file in result
+        self.assertEqual(len(result), 1)
+
+        # the file has 9 errors (`noqa` was skipped)
+        self.assertEqual(len(result[0][1]), 9)
+
     def test_replace_formatters_c(self):
         """Test removal of formatters in a C string."""
         self.assertEqual(replace_formatters('%s', 'c'), '')