You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.8 KiB
110 lines
2.8 KiB
# -*- coding: utf-8 -*-
|
|
|
|
# Copyright 2015-2018 Mike Fährmann
|
|
#
|
|
# 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.
|
|
|
|
import os
|
|
import sys
|
|
import shutil
|
|
from . import config
|
|
|
|
|
|
def select():
|
|
"""Automatically select a suitable output class"""
|
|
pdict = {
|
|
"default": PipeOutput,
|
|
"pipe": PipeOutput,
|
|
"term": TerminalOutput,
|
|
"terminal": TerminalOutput,
|
|
"color": ColorOutput,
|
|
"null": NullOutput,
|
|
}
|
|
omode = config.get(("output", "mode"), "auto").lower()
|
|
if omode in pdict:
|
|
return pdict[omode]()
|
|
elif omode == "auto":
|
|
if hasattr(sys.stdout, "isatty") and sys.stdout.isatty():
|
|
return ColorOutput() if ANSI else TerminalOutput()
|
|
else:
|
|
return PipeOutput()
|
|
else:
|
|
raise Exception("invalid output mode: " + omode)
|
|
|
|
|
|
class NullOutput():
|
|
|
|
def start(self, path):
|
|
"""Print a message indicating the start of a download"""
|
|
|
|
def skip(self, path):
|
|
"""Print a message indicating that a download has been skipped"""
|
|
|
|
def success(self, path, tries):
|
|
"""Print a message indicating the completion of a download"""
|
|
|
|
|
|
class PipeOutput(NullOutput):
|
|
|
|
def skip(self, path):
|
|
print(CHAR_SKIP, path, sep="", flush=True)
|
|
|
|
def success(self, path, tries):
|
|
print(path, flush=True)
|
|
|
|
|
|
class TerminalOutput(NullOutput):
|
|
|
|
def __init__(self):
|
|
self.short = config.get(("output", "shorten"), True)
|
|
if self.short:
|
|
self.width = shutil.get_terminal_size().columns - OFFSET
|
|
|
|
def start(self, path):
|
|
print(self.shorten(" " + path), end="", flush=True)
|
|
|
|
def skip(self, path):
|
|
print(self.shorten(CHAR_SKIP + path))
|
|
|
|
def success(self, path, tries):
|
|
print("\r", self.shorten(CHAR_SUCCESS + path), sep="")
|
|
|
|
def shorten(self, txt):
|
|
"""Reduce the length of 'txt' to the width of the terminal"""
|
|
if self.short and len(txt) > self.width:
|
|
hwidth = self.width // 2 - OFFSET
|
|
return "".join((
|
|
txt[:hwidth-1],
|
|
CHAR_ELLIPSIES,
|
|
txt[-hwidth-(self.width % 2):]
|
|
))
|
|
return txt
|
|
|
|
|
|
class ColorOutput(TerminalOutput):
|
|
|
|
def start(self, path):
|
|
print(self.shorten(path), end="", flush=True)
|
|
|
|
def skip(self, path):
|
|
print("\033[2m", self.shorten(path), "\033[0m", sep="")
|
|
|
|
def success(self, path, tries):
|
|
print("\r\033[1;32m", self.shorten(path), "\033[0m", sep="")
|
|
|
|
|
|
if os.name == "nt":
|
|
ANSI = os.environ.get("TERM") == "ANSI"
|
|
OFFSET = 1
|
|
CHAR_SKIP = "# "
|
|
CHAR_SUCCESS = "* "
|
|
CHAR_ELLIPSIES = "..."
|
|
else:
|
|
ANSI = True
|
|
OFFSET = 0
|
|
CHAR_SKIP = "# "
|
|
CHAR_SUCCESS = "✔ "
|
|
CHAR_ELLIPSIES = "…"
|