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packages/srcinfo_cache: extract read() and class._read_file() methods into JsonFile

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This commit is contained in:
InsanePrawn 2022-11-01 22:51:36 +01:00
parent 931e09c3d3
commit 276933036c
1 changed files with 20 additions and 8 deletions
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28
packages/srcinfo_cache.py
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@ -5,7 +5,7 @@ import logging
import os
import subprocess
from typing import ClassVar, Optional
from typing import Any, ClassVar, Optional
from config.state import config
from constants import MAKEPKG_CMD, SRCINFO_FILE, SRCINFO_METADATA_FILE
@ -32,6 +32,23 @@ class JsonFile(DataClass):
with open(filepath, 'w') as fd:
fd.write(self.toJSON())
@classmethod
def _read_file(cls, relative_path) -> Optional[dict]:
pkgdir = os.path.join(config.get_path('pkgbuilds'), relative_path)
filepath = os.path.join(pkgdir, cls._filename)
if not os.path.exists(filepath):
raise Exception(f"{relative_path}: {cls._filename} doesn't exist")
with open(filepath, 'r') as fd:
contents = json.load(fd)
return contents
def read(self) -> Optional[dict[str, Any]]:
"""
Try reading and parsing the JSON file. Due to the way this class works, it should be a dict (or empty).
No error handling is provided, bring your own try/catch!
"""
return type(self)._read_file(self._relative_path)
class SrcinfoMetaFile(JsonFile):
@ -46,12 +63,7 @@ class SrcinfoMetaFile(JsonFile):
@staticmethod
def parse_existing(relative_pkg_dir: str) -> SrcinfoMetaFile:
'tries to parse the srcinfo_meta.json file in the specified pkgbuild dir'
pkgdir = os.path.join(config.get_path('pkgbuilds'), relative_pkg_dir)
srcinfo_meta_file = os.path.join(pkgdir, SRCINFO_METADATA_FILE)
if not os.path.exists(srcinfo_meta_file):
raise Exception(f"{relative_pkg_dir}: {SRCINFO_METADATA_FILE} doesn't exist")
with open(srcinfo_meta_file, 'r') as meta_fd:
metadata_raw = json.load(meta_fd)
metadata_raw = SrcinfoMetaFile._read_file(relative_pkg_dir)
defaults = {'src_initialised': None}
return SrcinfoMetaFile.fromDict(defaults | metadata_raw | {
'_relative_path': relative_pkg_dir,
@ -78,7 +90,7 @@ class SrcinfoMetaFile(JsonFile):
try:
metadata = SrcinfoMetaFile.parse_existing(relative_pkg_dir)
except Exception as ex:
logging.debug(f"{relative_pkg_dir}: something went wrong parsing json from {SRCINFO_METADATA_FILE},"
logging.debug(f"{relative_pkg_dir}: something went wrong parsing json from {SrcinfoMetaFile._filename},"
f"running `makepkg --printsrcinfo` instead instead: {ex}")
return SrcinfoMetaFile.generate_new(relative_pkg_dir, write=write)
# if for whatever reason only the SRCINFO got deleted but PKGBUILD has not been modified,