#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
"""Utilities for dealing with "text"."""
-from collections import defaultdict
+import contextlib
+import logging
import math
import sys
-from typing import List, NamedTuple, Optional
+from collections import defaultdict
+from dataclasses import dataclass
+from typing import Dict, Generator, List, Literal, Optional, Tuple
from ansi import fg, reset
+logger = logging.getLogger(__file__)
+
-class RowsColumns(NamedTuple):
- rows: int
- columns: int
+@dataclass
+class RowsColumns:
+ """Row + Column"""
+
+ rows: int = 0
+ columns: int = 0
def get_console_rows_columns() -> RowsColumns:
"""Returns the number of rows/columns on the current console."""
from exec_utils import cmd
- rows, columns = cmd("stty size").split()
+
+ try:
+ rows, columns = cmd(
+ "stty size",
+ timeout_seconds=1.0,
+ ).split()
+ except Exception as e:
+ logger.exception(e)
+ raise Exception('Can\'t determine console size?!') from e
return RowsColumns(int(rows), int(columns))
ret = "\r" if redraw else "\n"
bar = bar_graph(
percent,
- include_text = True,
- width = width,
- fgcolor = fgcolor,
- left_end = left_end,
- right_end = right_end)
- print(
- bar,
- end=ret,
- flush=True,
- file=sys.stderr)
+ include_text=True,
+ width=width,
+ fgcolor=fgcolor,
+ left_end=left_end,
+ right_end=right_end,
+ )
+ print(bar, end=ret, flush=True, file=sys.stderr)
def bar_graph(
reset=reset(),
left_end="[",
right_end="]",
-) -> None:
+) -> str:
"""Returns a string containing a bar graph.
>>> bar_graph(0.5, fgcolor='', reset='')
if whole_width == width:
whole_width -= 1
part_char = "▉"
+ elif whole_width == 0 and percentage > 0.0:
+ part_char = "▏"
else:
remainder_width = (percentage * width) % 1
part_width = math.floor(remainder_width * 8)
part_char = [" ", "▏", "▎", "▍", "▌", "▋", "▊", "▉"][part_width]
return (
- left_end +
- fgcolor +
- "█" * whole_width + part_char +
- " " * (width - whole_width - 1) +
- reset +
- right_end + " " +
- text)
+ left_end
+ + fgcolor
+ + "█" * whole_width
+ + part_char
+ + " " * (width - whole_width - 1)
+ + reset
+ + right_end
+ + " "
+ + text
+ )
+
+
+def sparkline(numbers: List[float]) -> Tuple[float, float, str]:
+ """
+ Makes a "sparkline" little inline histogram graph. Auto scales.
+
+ >>> sparkline([1, 2, 3, 5, 10, 3, 5, 7])
+ (1, 10, '▁▁▂▄█▂▄▆')
+
+ >>> sparkline([104, 99, 93, 96, 82, 77, 85, 73])
+ (73, 104, '█▇▆▆▃▂▄▁')
+
+ """
+ _bar = '▁▂▃▄▅▆▇█' # Unicode: 9601, 9602, 9603, 9604, 9605, 9606, 9607, 9608
+
+ barcount = len(_bar)
+ min_num, max_num = min(numbers), max(numbers)
+ span = max_num - min_num
+ sline = ''.join(
+ _bar[min([barcount - 1, int((n - min_num) / span * barcount)])] for n in numbers
+ )
+ return min_num, max_num, sline
def distribute_strings(
subwidth = math.floor(width / len(strings))
retval = ""
for string in strings:
- string = justify_string(
- string, width=subwidth, alignment=alignment, padding=padding
- )
+ string = justify_string(string, width=subwidth, alignment=alignment, padding=padding)
retval += string
+ while len(retval) > width:
+ retval = retval.replace(' ', ' ', 1)
+ while len(retval) < width:
+ retval = retval.replace(' ', ' ', 1)
return retval
-def justify_string_by_chunk(
- string: str, width: int = 80, padding: str = " "
-) -> str:
+def justify_string_by_chunk(string: str, width: int = 80, padding: str = " ") -> str:
"""
Justifies a string.
padding = padding[0]
first, *rest, last = string.split()
w = width - (len(first) + 1 + len(last) + 1)
- retval = (
- first + padding + distribute_strings(rest, width=w, padding=padding)
- )
- while len(retval) + len(last) < width:
- retval += padding
- retval += last
- return retval
+ ret = first + padding + distribute_strings(rest, width=w, padding=padding) + padding + last
+ return ret
def justify_string(
elif alignment == "r":
string = padding + string
elif alignment == "j":
- return justify_string_by_chunk(
- string,
- width=width,
- padding=padding
- )
+ return justify_string_by_chunk(string, width=width, padding=padding)
elif alignment == "c":
if len(string) % 2 == 0:
string += padding
return retval[1:]
-def generate_padded_columns(text: List[str]) -> str:
- max_width = defaultdict(int)
+def generate_padded_columns(text: List[str]) -> Generator:
+ max_width: Dict[int, int] = defaultdict(int)
for line in text:
for pos, word in enumerate(line.split()):
max_width[pos] = max(max_width[pos], len(word))
return out
-class Indenter:
+class Indenter(contextlib.AbstractContextManager):
"""
with Indenter(pad_count = 8) as i:
i.print('test')
with i:
i.print('1, 2, 3')
"""
- def __init__(self,
- *,
- pad_prefix: Optional[str] = None,
- pad_char: str = ' ',
- pad_count: int = 4):
+
+ def __init__(
+ self,
+ *,
+ pad_prefix: Optional[str] = None,
+ pad_char: str = ' ',
+ pad_count: int = 4,
+ ):
self.level = -1
if pad_prefix is not None:
self.pad_prefix = pad_prefix
self.level += 1
return self
- def __exit__(self, exc_type, exc_value, exc_tb):
+ def __exit__(self, exc_type, exc_value, exc_tb) -> Literal[False]:
self.level -= 1
if self.level < -1:
self.level = -1
+ return False
def print(self, *arg, **kwargs):
import string_utils
+
text = string_utils.sprintf(*arg, **kwargs)
print(self.pad_prefix + self.padding * self.level + text, end='')
"""
w = width
- w -= (len(title) + 4)
+ w -= len(title) + 4
if w >= 4:
left = 4 * '-'
right = (w - 4) * '-'
if __name__ == '__main__':
import doctest
+
doctest.testmod()
projects / python_utils.git / blobdiff