initial commit

env/lib/python3.10/site-packages/pkginfo/bdist.py

@@ -0,0 +1,39 @@
+import os
+import zipfile
+
+from .distribution import Distribution
+
+class BDist(Distribution):
+
+    def __init__(self, filename, metadata_version=None):
+        self.filename = filename
+        self.metadata_version = metadata_version
+        self.extractMetadata()
+
+    def read(self):
+        fqn = os.path.abspath(
+                os.path.normpath(self.filename))
+        if not os.path.exists(fqn):
+            raise ValueError('No such file: %s' % fqn)
+
+        if fqn.endswith('.egg'):
+            archive = zipfile.ZipFile(fqn)
+            names = archive.namelist()
+            def read_file(name):
+                return archive.read(name)
+        else:
+            raise ValueError('Not a known archive format: %s' % fqn)
+
+        try:
+            tuples = [x.split('/') for x in names if 'PKG-INFO' in x]
+            schwarz = sorted([(len(x), x) for x in tuples])
+            for path in [x[1] for x in schwarz]:
+                candidate = '/'.join(path)
+                data = read_file(candidate)
+                if b'Metadata-Version' in data:
+                    return data
+        finally:
+            archive.close()
+
+        raise ValueError('No PKG-INFO in archive: %s' % fqn)
+