Tuple,
)
-import xdg
+# Use xdg module when it's less painful to have as a dependency
-Digest16 = NewType('Digest16', str)
-Digest32 = NewType('Digest32', str)
+class XDG(types.SimpleNamespace):
+ XDG_CACHE_HOME: 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]
+xdg = XDG(
+ XDG_CACHE_HOME=os.getenv(
+ 'XDG_CACHE_HOME',
+ os.path.expanduser('~/.cache')))
class VerificationError(Exception):
def result(self, r: bool) -> None:
message, color = {True: ('OK ', 92), False: ('FAIL', 91)}[r]
length = len(message)
- cols = shutil.get_terminal_size().columns
+ cols = shutil.get_terminal_size().columns or 80
pad = (cols - (self.line_length + length)) % cols
print(' ' * pad + self._color(message, color), file=sys.stderr)
self.line_length = 0
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 pin(self, v: Verification, conf: configparser.SectionProxy) -> None:
+ if hasattr(self, 'alias_of'):
+ assert not hasattr(self, 'git_repo')
+ return
+
+ if hasattr(self, 'git_revision'):
+ self.old_git_revision = self.git_revision
+ del self.git_revision
+
+ if 'channel_url' in conf:
+ pin_channel(v, self)
+ conf['release_name'] = self.release_name
+ conf['tarball_url'] = self.table['nixexprs.tar.xz'].absolute_url
+ conf['tarball_sha256'] = self.table['nixexprs.tar.xz'].digest
+ else:
+ git_fetch(v, self)
+ conf['release_name'] = git_revision_name(v, self)
+ conf['git_revision'] = self.git_revision
+
+
def compare(a: str, b: str) -> Tuple[List[str], List[str], List[str]]:
def throw(error: OSError) -> 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)
def to_Digest16(v: Verification, digest32: Digest32) -> Digest16:
v.status('Converting digest to base16')
process = subprocess.run(
- ['nix', 'to-base16', '--type', 'sha256', digest32], capture_output=True)
+ ['nix', 'to-base16', '--type', 'sha256', digest32], stdout=subprocess.PIPE)
v.result(process.returncode == 0)
return Digest16(process.stdout.decode().strip())
def to_Digest32(v: Verification, digest16: Digest16) -> Digest32:
v.status('Converting digest to base32')
process = subprocess.run(
- ['nix', 'to-base32', '--type', 'sha256', digest16], capture_output=True)
+ ['nix', 'to-base32', '--type', 'sha256', digest16], stdout=subprocess.PIPE)
v.result(process.returncode == 0)
return Digest32(process.stdout.decode().strip())
digest: Digest16) -> str:
v.status('Fetching %s' % url)
process = subprocess.run(
- ['nix-prefetch-url', '--print-path', url, digest], capture_output=True)
+ ['nix-prefetch-url', '--print-path', url, digest], stdout=subprocess.PIPE)
v.result(process.returncode == 0)
prefetch_digest, path, empty = process.stdout.decode().split('\n')
assert empty == ''
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:
v.status('Putting tarball in Nix store')
process = subprocess.run(
- ['nix-store', '--add', output_filename], capture_output=True)
+ ['nix-store', '--add', output_filename], stdout=subprocess.PIPE)
v.result(process.returncode == 0)
store_tarball = process.stdout.decode().strip()
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(
process = subprocess.run(['git',
'-C',
git_cachedir(channel.git_repo),
- 'lo',
+ 'log',
'-n1',
'--format=%ct-%h',
'--abbrev=11',
+ '--no-show-signature',
channel.git_revision],
- capture_output=True)
+ stdout=subprocess.PIPE)
v.result(process.returncode == 0 and process.stdout != b'')
return '%s-%s' % (os.path.basename(channel.git_repo),
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)
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')
- continue
-
- if hasattr(channel, 'git_revision'):
- channel.old_git_revision = channel.git_revision
- del channel.git_revision
-
- if 'channel_url' in config[section]:
- pin_channel(v, channel)
- config[section]['release_name'] = channel.release_name
- config[section]['tarball_url'] = channel.table['nixexprs.tar.xz'].absolute_url
- config[section]['tarball_sha256'] = channel.table['nixexprs.tar.xz'].digest
- else:
- git_fetch(v, channel)
- config[section]['release_name'] = git_revision_name(v, channel)
- config[section]['git_revision'] = channel.git_revision
+ channel.pin(v, config[section])
with open(args.channels_file, 'w') as configfile:
config.write(configfile)
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)
args.func(args)
-main()
+if __name__ == '__main__':
+ main()
projects / pinch / blobdiff