Cleanup: Changes suggested by @sybren

make_repo.py

@@ -20,10 +20,9 @@ def iter_addons(path: Path) -> (Path, dict):
     """
     Generator, yields (path, bl_info) of blender addons in `path`.
     """
-    pass
     for item in path.iterdir():
         try:
-            yield(item, extract_blinfo(item))
+            yield (item, extract_blinfo(item))
         except BadAddon as err:
             log.debug("Skipping '{}': {}".format(item.name, err))
 
@@ -48,104 +47,122 @@ def parse_blinfo(source: str) -> dict:
     raise BadAddon('No bl_info found')
 
 
+def blinfo_from_zip(item: Path) -> dict:
+    try:
+        with zipfile.ZipFile(str(item), 'r') as z:
+            if len(z.namelist()) == 1:
+                # zipfile with one item: just read that item
+                return parse_blinfo(z.read(z.namelist()[0]))
+            else:
+                # zipfile with multiple items: try all __init__.py files
+                for fname in z.namelist():
+                    # TODO: zips with multiple bl_infos might be a problem,
+                    # not sure how such cases should be handled (if at all)
+                    # for now we just break after the first one
+                    if fname.endswith('__init__.py'):
+                        try:
+                            return parse_blinfo(z.read(fname))
+                        except BadAddon:
+                            continue
+
+                raise BadAddon("Zipfile '%s' doesn't contain a readable bl_info dict" % item)
+
+    except zipfile.BadZipFile as err:
+        raise BadAddon("Bad zipfile '%s'" % item) from err
+
+
+def blinfo_from_py(item: Path) -> dict:
+    with item.open() as f:
+        return parse_blinfo(f.read())
+
+def blinfo_from_dir(item: Path) -> dict:
+    try:
+        f = (item / '__init__.py').open("r")
+    except FileNotFoundError as err:
+        raise BadAddon("Directory '%s' doesn't contain __init__.py; not a python package" % item) from err
+    with f:
+        return parse_blinfo(f.read())
+
 def extract_blinfo(item: Path) -> dict:
     """
     Extract bl_info dict from addon at path (can be single file, python package, or zip)
     """
 
-    blinfo = None
-    
     if not item.exists():
         raise FileNotFoundError("Cannot extract blinfo from '%s'; no such file or directory" % item)
 
     if item.is_dir():
-        
-        try:
-            f = (item / '__init__.py').open("r")
-        except FileNotFoundError as err:
-            raise BadAddon("Directory '%s' doesn't contain __init__.py; not a python package" % item) from err
-        with f:
-            blinfo = parse_blinfo(f.read())
+        return blinfo_from_dir(item)
     
-    elif item.is_file():
+    if item.is_file():
         ext = item.suffix.lower()
+
         if ext == '.zip':
-            try:
-                with zipfile.ZipFile(str(item), 'r') as z:
-                    if len(z.namelist()) == 1:
-                        # zipfile with one item: just read that item
-                        blinfo = parse_blinfo(z.read(z.namelist()[0]))
-                    else:
-                        # zipfile with multiple items: try all __init__.py files
-                        for fname in z.namelist():
-                            # TODO: zips with multiple bl_infos might be a problem,
-                            # not sure how such cases should be handled (if at all)
-                            # for now we just break after the first one
-                            if fname.endswith('__init__.py'):
-                                try:
-                                    blinfo = parse_blinfo(z.read(fname))
-                                    break
-                                except BadAddon:
-                                    continue
-                        if blinfo is None:
-                            raise BadAddon("Zipfile '%s' doesn't contain a readable bl_info dict" % item)
-            except zipfile.BadZipFile as e:
-                raise BadAddon("Bad zipfile '%s'" % item) from e
-
+            return blinfo_from_zip(item)
         elif ext == '.py':
-            with item.open() as f:
-                blinfo = parse_blinfo(f.read())
-
+            return blinfo_from_py(item)
         else:
             raise BadAddon("File '%s' doesn't have a .zip or .py extension; not an addon" % item)
 
     # This should not happen
-    if blinfo is None:
-        raise RuntimeError("Could not read addon '%s'" % item.name)
-
-    return blinfo
-
+    raise RuntimeError("Could not read addon '%s'" % item.name)
 
 class Package:
-    def __init__(self, path: Path, bl_info: dict, baseurl=None):
+    """
+    Stores package path and metadata
+    """
+
+    def __init__(self, path: Path, bl_info: dict):
         self.bl_info = bl_info
         self.path    = path
         self.url     = None
 
-    def dict(self) -> dict:
+    def to_dict(self) -> dict:
+        """
+        Return a dict representation of the package
+        """
         return {
                 'bl_info': self.bl_info,
                 'url': self.url,
                 }
 
 class Repository:
+    """
+    Stores repository metadata (including a list of packages)
+    """
+
     def __init__(self, name: str):
         self.name     = name
         self.url      = None
         self.packages = []
 
     def add_package(self, pkg: Package):
+        """
+        Add a package to the repository
+        """
         # if pkg.url is None:
         #     pkg.url = 
         self.packages.append(pkg)
 
-    def dict(self) -> dict:
+    def to_dict(self) -> dict:
+        """
+        Return a dict representation of the repository
+        """
         return {
                 'name': self.name,
-                'packages': [p.dict() for p in self.packages],
+                'packages': [p.to_dict() for p in self.packages],
                 'url': self.url,
                 }
 
     def dump(self, path: Path):
+        """
+        Dump repository as a repo.json file in 'path'
+        """
         with (path / 'repo.json').open('w', encoding='utf-8') as repo_file:
-            json.dump(self.dict(), repo_file, indent=4, sort_keys=True)
+            json.dump(self.to_dict(), repo_file, indent=4, sort_keys=True)
         log.info("repo.json written to %s" % path)
 
 
-    def json(self) -> str:
-        return json.dumps(self.__dict__)
-
-
 def make_repo(path: Path, name: str) -> Repository:
     """Make repo.json for files in directory 'path'"""
 
@@ -188,12 +205,15 @@ def main():
             help="Path to addon directory")
 
     args = parser.parse_args()
-    if args.name is None:
-        args.name = args.path.name
 
     logging.basicConfig(format='%(levelname)8s: %(message)s', level=logging.INFO)
     log.level += args.verbose
 
+    if args.name is None:
+        args.name = args.path.name
+
+    log.debug("Repository name: '%s'" % args.name)
+
     repo = make_repo(args.path, args.name)
     repo.dump(args.output)