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# sb-builder - Repository tab
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Repository tab: the packages slackrepo built, read from the local mount of its PKGREPO."""
import calendar
import glob
import os
import re
from collections import Counter
from .fmt import NA, fmt_bytes, fmt_time
from .packages import OVERLAYS
PKGFILE = re.compile(r"^(?P<name>.+)-(?P<version>[^-]+)-(?P<arch>[^-]+)-(?P<build>[^-]+)\.t[gx]z$")
ITEM = re.compile(r"^([^/\s]+/[^/\s]+)/[^/\s]+\.t[gx]z:\s*(.*)$") # category/pkg/file: text
MONTHS = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec".split()
def utc(text):
"""Seconds of a `date` line ("Tue Oct 20 18:00:50 UTC 2026"), None if not one.
By hand: strptime's %a/%b follow the locale Qt sets.
"""
try:
_, mon, day, hms, _, year = text.split()
h, m, s = map(int, hms.split(":"))
return calendar.timegm((int(year), MONTHS.index(mon) + 1, int(day), h, m, s))
except ValueError:
return None
def _read(path):
try:
with open(path, errors="replace") as f:
return f.read()
except OSError:
return ""
def packages_txt(text):
"""({file name: {"desc", "usize"}}, publish time or None) of a PACKAGES.TXT."""
first = text.partition("\n")[0]
published = utc(first.partition(";")[2]) if first.startswith("PACKAGES.TXT;") else None
out = {}
for chunk in re.split(r"^PACKAGE NAME:\s*", text, flags=re.M)[1:]:
lines = chunk.splitlines()
size = re.search(r"^PACKAGE SIZE \(uncompressed\):\s*(\d+)\s*K", chunk, re.M)
desc, in_desc = [], False
for line in lines:
if line.startswith("PACKAGE DESCRIPTION:"):
in_desc = True
elif in_desc and ":" in line:
desc.append(line.split(":", 1)[1].strip())
out[lines[0].strip()] = {"desc": "\n".join(desc).strip(),
"usize": int(size.group(1)) * 1024 if size else None}
return out, published
def changelog(text):
"""{category/pkg: [(time, text)]}, in file order (newest first)."""
out = {}
for entry in text.split("+--------------------------+"):
lines = entry.strip("\n").splitlines()
if not lines:
continue
when, parts = utc(lines[0]), None
for line in lines[1:]:
m = ITEM.match(line)
if m:
parts = [m.group(2)]
out.setdefault(m.group(1), []).append((when, parts))
elif parts is not None and line.startswith(" ") and line.strip():
parts.append(line.strip())
return {k: [(t, " ".join(p)) for t, p in v] for k, v in out.items()}
def scan(path):
"""{"rows": [package], "published": time or None}; OSError when path is no directory."""
if not os.path.isdir(path):
raise OSError(f"{path}: not a directory (is the repository mounted?)")
meta, published = packages_txt(_read(os.path.join(path, "PACKAGES.TXT")))
log = changelog(_read(os.path.join(path, "ChangeLog.txt")))
rows = []
for f in sorted(glob.glob(os.path.join(path, "*", "*", "*.t?z"))):
m = PKGFILE.match(os.path.basename(f))
if not m:
continue
st = os.stat(f)
item = os.path.relpath(os.path.dirname(f), path) # category/pkg
info = meta.get(os.path.basename(f))
rows.append({**m.groupdict(), "category": item.split("/")[0], "file": f,
"size": st.st_size, "mtime": int(st.st_mtime), "published": info is not None,
"desc": info["desc"] if info else "", "usize": info["usize"] if info else None,
"log": log.get(item, [])})
return {"rows": rows, "published": published}
def overlay(row):
return row["category"] if row["category"] in OVERLAYS else "upstream"
def summary(data):
"""The stats line above the table."""
rows = data["rows"]
by = Counter(overlay(r) for r in rows)
usize = sum(r["usize"] or 0 for r in rows)
return " · ".join([
f"{len(rows):,} packages", f"{fmt_bytes(sum(r['size'] for r in rows))} on disk",
f"{fmt_bytes(usize)} uncompressed",
*(f"{by[o]} {o}" for o in (*OVERLAYS, "upstream")),
f"{sum(not r['published'] for r in rows)} unpublished",
f"published {fmt_time(data['published']) if data['published'] else NA}"])
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