Re-order definitions

[pinch] / pinch.py

diff --git a/pinch.py b/pinch.py
index 4c8a51fe45472d3e8c5fba412da7c9df6ae46286..a8af6a67aa6f50b2f6a3dbfba53b45a166d5b71d 100644 (file)
--- a/pinch.py
+++ b/pinch.py
@@ -38,31 +38,6 @@ xdg = XDG(
         os.path.expanduser('~/.cache')))
 
 
-Digest16 = NewType('Digest16', str)
-Digest32 = NewType('Digest32', str)
-
-
-class ChannelTableEntry(types.SimpleNamespace):
-    absolute_url: str
-    digest: Digest16
-    file: str
-    size: int
-    url: str
-
-
-class Channel(types.SimpleNamespace):
-    alias_of: str
-    channel_html: bytes
-    channel_url: str
-    forwarded_url: str
-    git_ref: str
-    git_repo: str
-    git_revision: str
-    old_git_revision: str
-    release_name: str
-    table: Dict[str, ChannelTableEntry]
-
-
 class VerificationError(Exception):
     pass
 
@@ -98,6 +73,34 @@ class Verification:
         self.result(True)
 
 
+Digest16 = NewType('Digest16', str)
+Digest32 = NewType('Digest32', str)
+
+
+class ChannelTableEntry(types.SimpleNamespace):
+    absolute_url: str
+    digest: Digest16
+    file: str
+    size: int
+    url: str
+
+
+class SearchPath(types.SimpleNamespace):
+    release_name: str
+
+
+class Channel(SearchPath):
+    alias_of: str
+    channel_html: bytes
+    channel_url: str
+    forwarded_url: str
+    git_ref: str
+    git_repo: str
+    git_revision: str
+    old_git_revision: str
+    table: Dict[str, ChannelTableEntry]
+
+
 def compare(a: str, b: str) -> Tuple[List[str], List[str], List[str]]:
 
     def throw(error: OSError) -> None:
@@ -131,7 +134,7 @@ def fetch(v: Verification, channel: Channel) -> None:
     request = urllib.request.urlopen(channel.channel_url, timeout=10)
     channel.channel_html = request.read()
     channel.forwarded_url = request.geturl()
-    v.result(request.status == 200)
+    v.result(request.status == 200)  # type: ignore  # (for old mypy)
     v.check('Got forwarded', channel.channel_url != channel.forwarded_url)
 
 
@@ -212,7 +215,7 @@ def fetch_with_nix_prefetch_url(
     v.status("Verifying file digest")
     file_digest = digest_file(path)
     v.result(file_digest == digest)
-    return path
+    return path  # type: ignore  # (for old mypy)
 
 
 def fetch_resources(v: Verification, channel: Channel) -> None:
@@ -423,7 +426,7 @@ def git_get_tarball(v: Verification, channel: Channel) -> str:
 
         os.makedirs(os.path.dirname(cache_file), exist_ok=True)
         open(cache_file, 'w').write(store_tarball)
-        return store_tarball
+        return store_tarball  # type: ignore  # (for old mypy)
 
 
 def check_channel_metadata(
@@ -490,6 +493,10 @@ def git_revision_name(v: Verification, channel: Channel) -> str:
                       process.stdout.decode().strip())
 
 
+def read_search_path(conf: configparser.SectionProxy) -> Channel:
+    return Channel(**dict(conf.items()))
+
+
 def read_config(filename: str) -> configparser.ConfigParser:
     config = configparser.ConfigParser()
     config.read_file(open(filename), filename)
@@ -503,7 +510,7 @@ def pin(args: argparse.Namespace) -> None:
         if args.channels and section not in args.channels:
             continue
 
-        channel = Channel(**dict(config[section].items()))
+        channel = read_search_path(config[section])
 
         if hasattr(channel, 'alias_of'):
             assert not hasattr(channel, 'git_repo')
@@ -541,7 +548,7 @@ def fetch_channel(
             v, conf['tarball_url'], Digest16(
                 conf['tarball_sha256']))
 
-    channel = Channel(**dict(conf.items()))
+    channel = read_search_path(conf)
     ensure_git_rev_available(v, channel)
     return git_get_tarball(v, channel)