Factor out the distribution file-system safe name functions from install_distinfo to allow all metadata consumers access to them.
diff --git a/Lib/packaging/metadata.py b/Lib/packaging/metadata.py
index dbb53b2..a3db51c 100644
--- a/Lib/packaging/metadata.py
+++ b/Lib/packaging/metadata.py
@@ -182,6 +182,7 @@
_MISSING = object()
+_FILESAFE = re.compile('[^A-Za-z0-9.]+')
class Metadata:
"""The metadata of a release.
@@ -285,9 +286,18 @@
#
# Public API
#
- def get_fullname(self):
- """Return the distribution name with version"""
- return '%s-%s' % (self['Name'], self['Version'])
+ def get_fullname(self, filesafe=False):
+ """Return the distribution name with version.
+
+ If filesafe is true, return a filename-escaped form."""
+ name, version = self['Name'], self['Version']
+ if filesafe:
+ # For both name and version any runs of non-alphanumeric or '.'
+ # characters are replaced with a single '-'. Additionally any
+ # spaces in the version string become '.'
+ name = _FILESAFE.sub('-', name)
+ version = _FILESAFE.sub('-', version.replace(' ', '.'))
+ return '%s-%s' % (name, version)
def is_metadata_field(self, name):
"""return True if name is a valid metadata key"""