Stricter semantic version parsing

tests/test_update_versions.py

@@ -32,6 +32,8 @@ def setUp(self):
             '1.0.3a',
             '1.0.0.0',
             '1.2.3.4',
+            'v.1.1',
+            '.1.2.1',
         ]
         self.valid_versions = [
             ('1', '1.0.0'),

workflow/update.py

@@ -222,7 +222,7 @@ class Version(object):
     """
 
     #: Match version and pre-release/build information in version strings
-    match_version = re.compile(r'([0-9\.]+)(.+)?').match
+    match_version = re.compile(r'([0-9][0-9\.]*)(.+)?').match
 
     def __init__(self, vstr):
         """Create new `Version` object.
@@ -247,7 +247,7 @@ def _parse(self, vstr):
         else:
             m = self.match_version(vstr)
         if not m:
-            raise ValueError('invalid version number: {!r}'.format(vstr))
+            raise ValueError('invalid version number: ' + vstr)
 
         version, suffix = m.groups()
         parts = self._parse_dotted_string(version)
@@ -257,7 +257,7 @@ def _parse(self, vstr):
         if len(parts):
             self.patch = parts.pop(0)
         if not len(parts) == 0:
-            raise ValueError('version number too long: {!r}'.format(vstr))
+            raise ValueError('version number too long: ' + vstr)
 
         if suffix:
             # Build info
@@ -268,11 +268,9 @@ def _parse(self, vstr):
             if suffix:
                 if not suffix.startswith('-'):
                     raise ValueError(
-                        'suffix must start with - : {0}'.format(suffix))
+                        'suffix must start with - : ' + suffix)
                 self.suffix = suffix[1:]
 
-        # wf().logger.debug('version str `{}` -> {}'.format(vstr, repr(self)))
-
     def _parse_dotted_string(self, s):
         """Parse string ``s`` into list of ints and strings."""
         parsed = []

workflow/version

@@ -1 +1 @@
-1.37.1
+1.37.2