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Adapt ulzx to python3

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gryf
2019-06-30 17:40:37 +02:00
parent 6b8684b1d7
commit 01b4bf7a41
2 changed files with 36 additions and 29 deletions
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61
ulzx
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@@ -1,19 +1,20 @@
#! /usr/bin/env python
#!/usr/bin/env python3
"""
Read only, Amiga LZX[1] archiver Virtual filesystem executive for Midnight
Commander.
Tested against python 2.7, unlzx[1] 1.1 and mc 4.8.7
Tested against python 3.6, unlzx[1] 1.1 and mc 4.8.22
[1] ftp://us.aminet.net/pub/aminet/misc/unix/unlzx.c.gz.readme
Changelog:
1.2 Use python3
1.1 Moved common code into extfslib library
1.0 Initial release
Author: Roman 'gryf' Dobosz <gryf73@gmail.com>
Date: 2013-05-12
Version: 1.1
Date: 2019-06-30
Version: 1.2
Licence: BSD
"""
import os
@@ -28,26 +29,27 @@ from extfslib import Archive, parse_args
class ULzx(Archive):
"""Archive handle. Provides interface to MC's extfs subsystem"""
LINE_PAT = re.compile("^\s+(?P<size>\d+)\s+"
"((n/a)|\d+)\s"
"(?P<time>\d{2}:\d{2}:\d{2})\s+"
"(?P<date>\d+-[a-z]{3}-\d{4})\s"
"(?P<perms>[h-][s-][p-][a-][r-][w-][e-][d-])\s"
"\"(?P<fpath>.*)\"")
ARCHIVER = "unlzx"
CMDS = {"list": "-v",
"read": "-x"}
DATETIME = "%02d-%02d-%s %02d:%02d"
LINE_PAT = re.compile(b"^\s+(?P<size>\d+)\s+"
b"((n/a)|\d+)\s"
b"(?P<time>\d{2}:\d{2}:\d{2})\s+"
b"(?P<date>\d+-[a-z]{3}-\d{4})\s"
b"(?P<perms>[h-][s-][p-][a-][r-][w-][e-][d-])\s"
b"\"(?P<fpath>.*)\"")
ARCHIVER = b"unlzx"
CMDS = {"list": b"-v",
"read": b"-x"}
DATETIME = b"%02d-%02d-%s %02d:%02d"
def _get_date(self, time, date):
"""Return MM-DD-YYYY hh:mm formatted date out of time and date
strings"""
month_list = ["jan", "feb", "mar", "apr", "may", "jun", "jul", "aug",
"sep", "oct", "nov", "dec"]
day, month, year = date.split("-")
month_list = [b"jan", b"feb", b"mar", b"apr", b"may", b"jun", b"jul",
b"aug", b"sep", b"oct", b"nov", b"dec"]
day, month, year = date.split(b"-")
month = month_list.index(month) + 1
hours, minutes, dummy = time.split(":")
return self.DATETIME % (month, int(day), year, int(hours), int(minutes))
hours, minutes, dummy = time.split(b":")
return self.DATETIME % (month, int(day), year, int(hours),
int(minutes))
def _get_dir(self):
"""Prepare archive file listing"""
@@ -57,17 +59,22 @@ class ULzx(Archive):
if not out:
return
for line in out.split("\n"):
for line in out.split(b"\n"):
match = self.LINE_PAT.match(line)
if not match:
continue
entry = match.groupdict()
entry['datetime'] = self._get_date(entry['time'], entry['date'])
entry['display_name'] = self._map_name(entry['fpath'])
entry['perms'] = "-rw-r--r--" # lzx doesn't store empty dirs
entry['uid'] = self._uid
entry['gid'] = self._gid
match_entry = match.groupdict()
entry = {}
for key in match_entry:
entry[bytes(key, 'utf-8')] = match_entry[key]
del match_entry
entry[b'datetime'] = self._get_date(entry[b'time'], entry[b'date'])
entry[b'display_name'] = self._map_name(entry[b'fpath'])
entry[b'perms'] = b"-rw-r--r--" # lzx doesn't store empty dirs
entry[b'uid'] = bytes(str(self._uid), 'utf-8')
entry[b'gid'] = bytes(str(self._gid), 'utf-8')
contents.append(entry)
return contents
@@ -75,7 +82,7 @@ class ULzx(Archive):
def list(self):
"""Output contents of the archive to stdout"""
for entry in self._contents:
sys.stdout.write(self.ITEM % entry)
sys.stdout.buffer.write(self.ITEM % entry)
return 0
def run(self, dst):