mirror of
https://github.com/mikf/gallery-dl.git
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4810d446bb
- safeprint() was used to print values which might have caused a UnicodeEncodeError, but that is no longer necessary (0381ae5) - errors are now handled via logging output (f94e370)
110 lines
2.8 KiB
Python
110 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015-2018 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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import os
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import sys
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import shutil
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from . import config
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def select():
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"""Automatically select a suitable output class"""
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pdict = {
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"default": PipeOutput,
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"pipe": PipeOutput,
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"term": TerminalOutput,
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"terminal": TerminalOutput,
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"color": ColorOutput,
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"null": NullOutput,
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}
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omode = config.get(("output", "mode"), "auto").lower()
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if omode in pdict:
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return pdict[omode]()
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elif omode == "auto":
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if hasattr(sys.stdout, "isatty") and sys.stdout.isatty():
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return ColorOutput() if ANSI else TerminalOutput()
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else:
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return PipeOutput()
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else:
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raise Exception("invalid output mode: " + omode)
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class NullOutput():
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def start(self, path):
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"""Print a message indicating the start of a download"""
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def skip(self, path):
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"""Print a message indicating that a download has been skipped"""
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def success(self, path, tries):
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"""Print a message indicating the completion of a download"""
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class PipeOutput(NullOutput):
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def skip(self, path):
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print(CHAR_SKIP, path, sep="", flush=True)
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def success(self, path, tries):
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print(path, flush=True)
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class TerminalOutput(NullOutput):
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def __init__(self):
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self.short = config.get(("output", "shorten"), True)
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if self.short:
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self.width = shutil.get_terminal_size().columns - OFFSET
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def start(self, path):
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print(self.shorten(" " + path), end="", flush=True)
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def skip(self, path):
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print(self.shorten(CHAR_SKIP + path))
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def success(self, path, tries):
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print("\r", self.shorten(CHAR_SUCCESS + path), sep="")
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def shorten(self, txt):
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"""Reduce the length of 'txt' to the width of the terminal"""
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if self.short and len(txt) > self.width:
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hwidth = self.width // 2 - OFFSET
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return "".join((
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txt[:hwidth-1],
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CHAR_ELLIPSIES,
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txt[-hwidth-(self.width % 2):]
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))
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return txt
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class ColorOutput(TerminalOutput):
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def start(self, path):
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print(self.shorten(path), end="", flush=True)
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def skip(self, path):
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print("\033[2m", self.shorten(path), "\033[0m", sep="")
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def success(self, path, tries):
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print("\r\033[1;32m", self.shorten(path), "\033[0m", sep="")
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if os.name == "nt":
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ANSI = os.environ.get("TERM") == "ANSI"
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OFFSET = 1
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CHAR_SKIP = "# "
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CHAR_SUCCESS = "* "
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CHAR_ELLIPSIES = "..."
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else:
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ANSI = True
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OFFSET = 0
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CHAR_SKIP = "# "
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CHAR_SUCCESS = "✔ "
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CHAR_ELLIPSIES = "…"
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