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#!/usr/bin/env python3
#
# Plot CSV files in terminal.
#
# Example:
# ./scripts/plot.py bench.csv -xSIZE -ybench_read -W80 -H17
#
# Copyright (c) 2022, The littlefs authors.
# SPDX-License-Identifier: BSD-3-Clause
#
import bisect
import codecs
import collections as co
import csv
import io
import itertools as it
import math as m
import os
import shlex
import shutil
import time
try:
import inotify_simple
except ModuleNotFoundError:
inotify_simple = None
COLORS = [
'1;34', # bold blue
'1;31', # bold red
'1;32', # bold green
'1;35', # bold purple
'1;33', # bold yellow
'1;36', # bold cyan
'34', # blue
'31', # red
'32', # green
'35', # purple
'33', # yellow
'36', # cyan
]
CHARS_DOTS = " .':"
CHARS_BRAILLE = (
'⠀⢀⡀⣀⠠⢠⡠⣠⠄⢄⡄⣄⠤⢤⡤⣤' '⠐⢐⡐⣐⠰⢰⡰⣰⠔⢔⡔⣔⠴⢴⡴⣴'
'⠂⢂⡂⣂⠢⢢⡢⣢⠆⢆⡆⣆⠦⢦⡦⣦' '⠒⢒⡒⣒⠲⢲⡲⣲⠖⢖⡖⣖⠶⢶⡶⣶'
'⠈⢈⡈⣈⠨⢨⡨⣨⠌⢌⡌⣌⠬⢬⡬⣬' '⠘⢘⡘⣘⠸⢸⡸⣸⠜⢜⡜⣜⠼⢼⡼⣼'
'⠊⢊⡊⣊⠪⢪⡪⣪⠎⢎⡎⣎⠮⢮⡮⣮' '⠚⢚⡚⣚⠺⢺⡺⣺⠞⢞⡞⣞⠾⢾⡾⣾'
'⠁⢁⡁⣁⠡⢡⡡⣡⠅⢅⡅⣅⠥⢥⡥⣥' '⠑⢑⡑⣑⠱⢱⡱⣱⠕⢕⡕⣕⠵⢵⡵⣵'
'⠃⢃⡃⣃⠣⢣⡣⣣⠇⢇⡇⣇⠧⢧⡧⣧' '⠓⢓⡓⣓⠳⢳⡳⣳⠗⢗⡗⣗⠷⢷⡷⣷'
'⠉⢉⡉⣉⠩⢩⡩⣩⠍⢍⡍⣍⠭⢭⡭⣭' '⠙⢙⡙⣙⠹⢹⡹⣹⠝⢝⡝⣝⠽⢽⡽⣽'
'⠋⢋⡋⣋⠫⢫⡫⣫⠏⢏⡏⣏⠯⢯⡯⣯' '⠛⢛⡛⣛⠻⢻⡻⣻⠟⢟⡟⣟⠿⢿⡿⣿')
CHARS_POINTS_AND_LINES = 'o'
SI_PREFIXES = {
18: 'E',
15: 'P',
12: 'T',
9: 'G',
6: 'M',
3: 'K',
0: '',
-3: 'm',
-6: 'u',
-9: 'n',
-12: 'p',
-15: 'f',
-18: 'a',
}
SI2_PREFIXES = {
60: 'Ei',
50: 'Pi',
40: 'Ti',
30: 'Gi',
20: 'Mi',
10: 'Ki',
0: '',
-10: 'mi',
-20: 'ui',
-30: 'ni',
-40: 'pi',
-50: 'fi',
-60: 'ai',
}
# format a number to a strict character width using SI prefixes
def si(x, w=4):
if x == 0:
return '0'
# figure out prefix and scale
#
# note we adjust this so that 100K = .1M, which has more info
# per character
p = 3*int(m.log(abs(x)*10, 10**3))
p = min(18, max(-18, p))
# format with enough digits
s = '%.*f' % (w, abs(x) / (10.0**p))
s = s.lstrip('0')
# truncate but only digits that follow the dot
if '.' in s:
s = s[:max(s.find('.'), w-(2 if x < 0 else 1))]
s = s.rstrip('0')
s = s.rstrip('.')
return '%s%s%s' % ('-' if x < 0 else '', s, SI_PREFIXES[p])
def si2(x, w=5):
if x == 0:
return '0'
# figure out prefix and scale
#
# note we adjust this so that 128Ki = .1Mi, which has more info
# per character
p = 10*int(m.log(abs(x)*10, 2**10))
p = min(30, max(-30, p))
# format with enough digits
s = '%.*f' % (w, abs(x) / (2.0**p))
s = s.lstrip('0')
# truncate but only digits that follow the dot
if '.' in s:
s = s[:max(s.find('.'), w-(3 if x < 0 else 2))]
s = s.rstrip('0')
s = s.rstrip('.')
return '%s%s%s' % ('-' if x < 0 else '', s, SI2_PREFIXES[p])
# parse escape strings
def escape(s):
return codecs.escape_decode(s.encode('utf8'))[0].decode('utf8')
def openio(path, mode='r', buffering=-1):
# allow '-' for stdin/stdout
if path == '-':
if mode == 'r':
return os.fdopen(os.dup(sys.stdin.fileno()), mode, buffering)
else:
return os.fdopen(os.dup(sys.stdout.fileno()), mode, buffering)
else:
return open(path, mode, buffering)
def inotifywait(paths):
# wait for interesting events
inotify = inotify_simple.INotify()
flags = (inotify_simple.flags.ATTRIB
| inotify_simple.flags.CREATE
| inotify_simple.flags.DELETE
| inotify_simple.flags.DELETE_SELF
| inotify_simple.flags.MODIFY
| inotify_simple.flags.MOVED_FROM
| inotify_simple.flags.MOVED_TO
| inotify_simple.flags.MOVE_SELF)
# recurse into directories
for path in paths:
if os.path.isdir(path):
for dir, _, files in os.walk(path):
inotify.add_watch(dir, flags)
for f in files:
inotify.add_watch(os.path.join(dir, f), flags)
else:
inotify.add_watch(path, flags)
# wait for event
inotify.read()
class LinesIO:
def __init__(self, maxlen=None):
self.maxlen = maxlen
self.lines = co.deque(maxlen=maxlen)
self.tail = io.StringIO()
# trigger automatic sizing
if maxlen == 0:
self.resize(0)
def write(self, s):
# note using split here ensures the trailing string has no newline
lines = s.split('\n')
if len(lines) > 1 and self.tail.getvalue():
self.tail.write(lines[0])
lines[0] = self.tail.getvalue()
self.tail = io.StringIO()
self.lines.extend(lines[:-1])
if lines[-1]:
self.tail.write(lines[-1])
def resize(self, maxlen):
self.maxlen = maxlen
if maxlen == 0:
maxlen = shutil.get_terminal_size((80, 5))[1]
if maxlen != self.lines.maxlen:
self.lines = co.deque(self.lines, maxlen=maxlen)
canvas_lines = 1
def draw(self):
# did terminal size change?
if self.maxlen == 0:
self.resize(0)
# first thing first, give ourself a canvas
while LinesIO.canvas_lines < len(self.lines):
sys.stdout.write('\n')
LinesIO.canvas_lines += 1
# clear the bottom of the canvas if we shrink
shrink = LinesIO.canvas_lines - len(self.lines)
if shrink > 0:
for i in range(shrink):
sys.stdout.write('\r')
if shrink-1-i > 0:
sys.stdout.write('\x1b[%dA' % (shrink-1-i))
sys.stdout.write('\x1b[K')
if shrink-1-i > 0:
sys.stdout.write('\x1b[%dB' % (shrink-1-i))
sys.stdout.write('\x1b[%dA' % shrink)
LinesIO.canvas_lines = len(self.lines)
for i, line in enumerate(self.lines):
# move cursor, clear line, disable/reenable line wrapping
sys.stdout.write('\r')
if len(self.lines)-1-i > 0:
sys.stdout.write('\x1b[%dA' % (len(self.lines)-1-i))
sys.stdout.write('\x1b[K')
sys.stdout.write('\x1b[?7l')
sys.stdout.write(line)
sys.stdout.write('\x1b[?7h')
if len(self.lines)-1-i > 0:
sys.stdout.write('\x1b[%dB' % (len(self.lines)-1-i))
sys.stdout.flush()
# parse different data representations
def dat(x):
# allow the first part of an a/b fraction
if '/' in x:
x, _ = x.split('/', 1)
# first try as int
try:
return int(x, 0)
except ValueError:
pass
# then try as float
try:
return float(x)
# just don't allow infinity or nan
if m.isinf(x) or m.isnan(x):
raise ValueError("invalid dat %r" % x)
except ValueError:
pass
# else give up
raise ValueError("invalid dat %r" % x)
# a hack log that preserves sign, with a linear region between -1 and 1
def symlog(x):
if x > 1:
return m.log(x)+1
elif x < -1:
return -m.log(-x)-1
else:
return x
class Plot:
def __init__(self, width, height, *,
xlim=None,
ylim=None,
xlog=False,
ylog=False,
braille=False,
dots=False):
# scale if we're printing with dots or braille
self.width = 2*width if braille else width
self.height = (4*height if braille
else 2*height if dots
else height)
self.xlim = xlim or (0, width)
self.ylim = ylim or (0, height)
self.xlog = xlog
self.ylog = ylog
self.braille = braille
self.dots = dots
self.grid = [('',False)]*(self.width*self.height)
def scale(self, x, y):
# scale and clamp
try:
if self.xlog:
x = int(self.width * (
(symlog(x)-symlog(self.xlim[0]))
/ (symlog(self.xlim[1])-symlog(self.xlim[0]))))
else:
x = int(self.width * (
(x-self.xlim[0])
/ (self.xlim[1]-self.xlim[0])))
if self.ylog:
y = int(self.height * (
(symlog(y)-symlog(self.ylim[0]))
/ (symlog(self.ylim[1])-symlog(self.ylim[0]))))
else:
y = int(self.height * (
(y-self.ylim[0])
/ (self.ylim[1]-self.ylim[0])))
except ZeroDivisionError:
x = 0
y = 0
return x, y
def point(self, x, y, *,
color=COLORS[0],
char=True):
# scale
x, y = self.scale(x, y)
# ignore out of bounds points
if x >= 0 and x < self.width and y >= 0 and y < self.height:
self.grid[x + y*self.width] = (color, char)
def line(self, x1, y1, x2, y2, *,
color=COLORS[0],
char=True):
# scale
x1, y1 = self.scale(x1, y1)
x2, y2 = self.scale(x2, y2)
# incremental error line algorithm
ex = abs(x2 - x1)
ey = -abs(y2 - y1)
dx = +1 if x1 < x2 else -1
dy = +1 if y1 < y2 else -1
e = ex + ey
while True:
if x1 >= 0 and x1 < self.width and y1 >= 0 and y1 < self.height:
self.grid[x1 + y1*self.width] = (color, char)
e2 = 2*e
if x1 == x2 and y1 == y2:
break
if e2 > ey:
e += ey
x1 += dx
if x1 == x2 and y1 == y2:
break
if e2 < ex:
e += ex
y1 += dy
if x2 >= 0 and x2 < self.width and y2 >= 0 and y2 < self.height:
self.grid[x2 + y2*self.width] = (color, char)
def plot(self, coords, *,
color=COLORS[0],
char=True,
line_char=True):
# draw lines
if line_char:
for (x1, y1), (x2, y2) in zip(coords, coords[1:]):
if y1 is not None and y2 is not None:
self.line(x1, y1, x2, y2,
color=color,
char=line_char)
# draw points
if char and (not line_char or char is not True):
for x, y in coords:
if y is not None:
self.point(x, y,
color=color,
char=char)
def draw(self, row, *,
color=False):
# scale if needed
if self.braille:
xscale, yscale = 2, 4
elif self.dots:
xscale, yscale = 1, 2
else:
xscale, yscale = 1, 1
y = self.height//yscale-1 - row
row_ = []
for x in range(self.width//xscale):
best_f = ''
best_c = False
# encode into a byte
b = 0
for i in range(xscale*yscale):
f, c = self.grid[x*xscale+(xscale-1-(i%xscale))
+ (y*yscale+(i//xscale))*self.width]
if c:
b |= 1 << i
if f:
best_f = f
if c and c is not True:
best_c = c
# use byte to lookup character
if b:
if best_c:
c = best_c
elif self.braille:
c = CHARS_BRAILLE[b]
else:
c = CHARS_DOTS[b]
else:
c = ' '
# color?
if b and color and best_f:
c = '\x1b[%sm%s\x1b[m' % (best_f, c)
# draw axis in blank spaces
if not b:
if x == 0 and y == 0:
c = '+'
elif x == 0 and y == self.height//yscale-1:
c = '^'
elif x == self.width//xscale-1 and y == 0:
c = '>'
elif x == 0:
c = '|'
elif y == 0:
c = '-'
row_.append(c)
return ''.join(row_)
def collect(csv_paths, renames=[]):
# collect results from CSV files
results = []
for path in csv_paths:
try:
with openio(path) as f:
reader = csv.DictReader(f, restval='')
for r in reader:
results.append(r)
except FileNotFoundError:
pass
if renames:
for r in results:
# make a copy so renames can overlap
r_ = {}
for new_k, old_k in renames:
if old_k in r:
r_[new_k] = r[old_k]
r.update(r_)
return results
def dataset(results, x=None, y=None, define=[]):
# organize by 'by', x, and y
dataset = {}
i = 0
for r in results:
# filter results by matching defines
if not all(k in r and r[k] in vs for k, vs in define):
continue
# find xs
if x is not None:
if x not in r:
continue
try:
x_ = dat(r[x])
except ValueError:
continue
else:
x_ = i
i += 1
# find ys
if y is not None:
if y not in r:
continue
try:
y_ = dat(r[y])
except ValueError:
continue
else:
y_ = None
if y_ is not None:
dataset[x_] = y_ + dataset.get(x_, 0)
else:
dataset[x_] = y_ or dataset.get(x_, None)
return dataset
def datasets(results, by=None, x=None, y=None, define=[]):
# filter results by matching defines
results_ = []
for r in results:
if all(k in r and r[k] in vs for k, vs in define):
results_.append(r)
results = results_
# if y not specified, try to guess from data
if y is None:
y = co.OrderedDict()
for r in results:
for k, v in r.items():
if (by is None or k not in by) and v.strip():
try:
dat(v)
y[k] = True
except ValueError:
y[k] = False
y = list(k for k,v in y.items() if v)
if by is not None:
# find all 'by' values
ks = set()
for r in results:
ks.add(tuple(r.get(k, '') for k in by))
ks = sorted(ks)
# collect all datasets
datasets = co.OrderedDict()
for ks_ in (ks if by is not None else [()]):
for x_ in (x if x is not None else [None]):
for y_ in y:
# hide x/y if there is only one field
k_x = x_ if len(x or []) > 1 else ''
k_y = y_ if len(y or []) > 1 or (not ks_ and not k_x) else ''
datasets[ks_ + (k_x, k_y)] = dataset(
results,
x_,
y_,
[(by_, {k_}) for by_, k_ in zip(by, ks_)]
if by is not None else [])
return datasets
# some classes for organizing subplots into a grid
class Subplot:
def __init__(self, **args):
self.x = 0
self.y = 0
self.xspan = 1
self.yspan = 1
self.args = args
class Grid:
def __init__(self, subplot, width=1.0, height=1.0):
self.xweights = [width]
self.yweights = [height]
self.map = {(0,0): subplot}
self.subplots = [subplot]
def __repr__(self):
return 'Grid(%r, %r)' % (self.xweights, self.yweights)
@property
def width(self):
return len(self.xweights)
@property
def height(self):
return len(self.yweights)
def __iter__(self):
return iter(self.subplots)
def __getitem__(self, i):
x, y = i
if x < 0:
x += len(self.xweights)
if y < 0:
y += len(self.yweights)
return self.map[(x,y)]
def merge(self, other, dir):
if dir in ['above', 'below']:
# first scale the two grids so they line up
self_xweights = self.xweights
other_xweights = other.xweights
self_w = sum(self_xweights)
other_w = sum(other_xweights)
ratio = self_w / other_w
other_xweights = [s*ratio for s in other_xweights]
# now interleave xweights as needed
new_xweights = []
self_map = {}
other_map = {}
self_i = 0
other_i = 0
self_xweight = (self_xweights[self_i]
if self_i < len(self_xweights) else m.inf)
other_xweight = (other_xweights[other_i]
if other_i < len(other_xweights) else m.inf)
while self_i < len(self_xweights) and other_i < len(other_xweights):
if other_xweight - self_xweight > 0.0000001:
new_xweights.append(self_xweight)
other_xweight -= self_xweight
new_i = len(new_xweights)-1
for j in range(len(self.yweights)):
self_map[(new_i, j)] = self.map[(self_i, j)]
for j in range(len(other.yweights)):
other_map[(new_i, j)] = other.map[(other_i, j)]
for s in other.subplots:
if s.x+s.xspan-1 == new_i:
s.xspan += 1
elif s.x > new_i:
s.x += 1
self_i += 1
self_xweight = (self_xweights[self_i]
if self_i < len(self_xweights) else m.inf)
elif self_xweight - other_xweight > 0.0000001:
new_xweights.append(other_xweight)
self_xweight -= other_xweight
new_i = len(new_xweights)-1
for j in range(len(other.yweights)):
other_map[(new_i, j)] = other.map[(other_i, j)]
for j in range(len(self.yweights)):
self_map[(new_i, j)] = self.map[(self_i, j)]
for s in self.subplots:
if s.x+s.xspan-1 == new_i:
s.xspan += 1
elif s.x > new_i:
s.x += 1
other_i += 1
other_xweight = (other_xweights[other_i]
if other_i < len(other_xweights) else m.inf)
else:
new_xweights.append(self_xweight)
new_i = len(new_xweights)-1
for j in range(len(self.yweights)):
self_map[(new_i, j)] = self.map[(self_i, j)]
for j in range(len(other.yweights)):
other_map[(new_i, j)] = other.map[(other_i, j)]
self_i += 1
self_xweight = (self_xweights[self_i]
if self_i < len(self_xweights) else m.inf)
other_i += 1
other_xweight = (other_xweights[other_i]
if other_i < len(other_xweights) else m.inf)
# squish so ratios are preserved
self_h = sum(self.yweights)
other_h = sum(other.yweights)
ratio = (self_h-other_h) / self_h
self_yweights = [s*ratio for s in self.yweights]
# finally concatenate the two grids
if dir == 'above':
for s in other.subplots:
s.y += len(self_yweights)
self.subplots.extend(other.subplots)
self.xweights = new_xweights
self.yweights = self_yweights + other.yweights
self.map = self_map | {(x, y+len(self_yweights)): s
for (x, y), s in other_map.items()}
else:
for s in self.subplots:
s.y += len(other.yweights)
self.subplots.extend(other.subplots)
self.xweights = new_xweights
self.yweights = other.yweights + self_yweights
self.map = other_map | {(x, y+len(other.yweights)): s
for (x, y), s in self_map.items()}
if dir in ['right', 'left']:
# first scale the two grids so they line up
self_yweights = self.yweights
other_yweights = other.yweights
self_h = sum(self_yweights)
other_h = sum(other_yweights)
ratio = self_h / other_h
other_yweights = [s*ratio for s in other_yweights]
# now interleave yweights as needed
new_yweights = []
self_map = {}
other_map = {}
self_i = 0
other_i = 0
self_yweight = (self_yweights[self_i]
if self_i < len(self_yweights) else m.inf)
other_yweight = (other_yweights[other_i]
if other_i < len(other_yweights) else m.inf)
while self_i < len(self_yweights) and other_i < len(other_yweights):
if other_yweight - self_yweight > 0.0000001:
new_yweights.append(self_yweight)
other_yweight -= self_yweight
new_i = len(new_yweights)-1
for j in range(len(self.xweights)):
self_map[(j, new_i)] = self.map[(j, self_i)]
for j in range(len(other.xweights)):
other_map[(j, new_i)] = other.map[(j, other_i)]
for s in other.subplots:
if s.y+s.yspan-1 == new_i:
s.yspan += 1
elif s.y > new_i:
s.y += 1
self_i += 1
self_yweight = (self_yweights[self_i]
if self_i < len(self_yweights) else m.inf)
elif self_yweight - other_yweight > 0.0000001:
new_yweights.append(other_yweight)
self_yweight -= other_yweight
new_i = len(new_yweights)-1
for j in range(len(other.xweights)):
other_map[(j, new_i)] = other.map[(j, other_i)]
for j in range(len(self.xweights)):
self_map[(j, new_i)] = self.map[(j, self_i)]
for s in self.subplots:
if s.y+s.yspan-1 == new_i:
s.yspan += 1
elif s.y > new_i:
s.y += 1
other_i += 1
other_yweight = (other_yweights[other_i]
if other_i < len(other_yweights) else m.inf)
else:
new_yweights.append(self_yweight)
new_i = len(new_yweights)-1
for j in range(len(self.xweights)):
self_map[(j, new_i)] = self.map[(j, self_i)]
for j in range(len(other.xweights)):
other_map[(j, new_i)] = other.map[(j, other_i)]
self_i += 1
self_yweight = (self_yweights[self_i]
if self_i < len(self_yweights) else m.inf)
other_i += 1
other_yweight = (other_yweights[other_i]
if other_i < len(other_yweights) else m.inf)
# squish so ratios are preserved
self_w = sum(self.xweights)
other_w = sum(other.xweights)
ratio = (self_w-other_w) / self_w
self_xweights = [s*ratio for s in self.xweights]
# finally concatenate the two grids
if dir == 'right':
for s in other.subplots:
s.x += len(self_xweights)
self.subplots.extend(other.subplots)
self.xweights = self_xweights + other.xweights
self.yweights = new_yweights
self.map = self_map | {(x+len(self_xweights), y): s
for (x, y), s in other_map.items()}
else:
for s in self.subplots:
s.x += len(other.xweights)
self.subplots.extend(other.subplots)
self.xweights = other.xweights + self_xweights
self.yweights = new_yweights
self.map = other_map | {(x+len(other.xweights), y): s
for (x, y), s in self_map.items()}
def scale(self, width, height):
self.xweights = [s*width for s in self.xweights]
self.yweights = [s*height for s in self.yweights]
@classmethod
def fromargs(cls, width=1.0, height=1.0, *,
subplots=[],
**args):
grid = cls(Subplot(**args))
for dir, subargs in subplots:
subgrid = cls.fromargs(
width=subargs.pop('width',
0.5 if dir in ['right', 'left'] else width),
height=subargs.pop('height',
0.5 if dir in ['above', 'below'] else height),
**subargs)
grid.merge(subgrid, dir)
grid.scale(width, height)
return grid
def main(csv_paths, *,
by=None,
x=None,
y=None,
define=[],
color=False,
braille=False,
colors=None,
chars=None,
line_chars=None,
points=False,
points_and_lines=False,
width=None,
height=None,
xlim=(None,None),
ylim=(None,None),
xlog=False,
ylog=False,
x2=False,
y2=False,
xunits='',
yunits='',
xlabel=None,
ylabel=None,
xticklabels=None,
yticklabels=None,
title=None,
legend_right=False,
legend_above=False,
legend_below=False,
subplot={},
subplots=[],
cat=False,
keep_open=False,
sleep=None,
**args):
# figure out what color should be
if color == 'auto':
color = sys.stdout.isatty()
elif color == 'always':
color = True
else:
color = False
# what colors to use?
if colors is not None:
colors_ = colors
else:
colors_ = COLORS
if chars is not None:
chars_ = chars
elif points_and_lines:
chars_ = CHARS_POINTS_AND_LINES
else:
chars_ = [True]
if line_chars is not None:
line_chars_ = line_chars
elif points_and_lines or not points:
line_chars_ = [True]
else:
line_chars_ = [False]
# allow escape codes in labels/titles
title = escape(title).splitlines() if title is not None else []
xlabel = escape(xlabel).splitlines() if xlabel is not None else []
ylabel = escape(ylabel).splitlines() if ylabel is not None else []
# separate out renames
renames = list(it.chain.from_iterable(
((k, v) for v in vs)
for k, vs in it.chain(by or [], x or [], y or [])))
if by is not None:
by = [k for k, _ in by]
if x is not None:
x = [k for k, _ in x]
if y is not None:
y = [k for k, _ in y]
# create a grid of subplots
grid = Grid.fromargs(
subplots=subplots + subplot.pop('subplots', []),
**subplot)
for s in grid:
# allow subplot params to override global params
x2_ = s.args.get('x2', False) or x2
y2_ = s.args.get('y2', False) or y2
xunits_ = s.args.get('xunits', xunits)
yunits_ = s.args.get('yunits', yunits)
xticklabels_ = s.args.get('xticklabels', xticklabels)
yticklabels_ = s.args.get('yticklabels', yticklabels)
# label/titles are handled a bit differently in subplots
subtitle = s.args.get('title')
xsublabel = s.args.get('xlabel')
ysublabel = s.args.get('ylabel')
# allow escape codes in sublabels/subtitles
subtitle = (escape(subtitle).splitlines()
if subtitle is not None else [])
xsublabel = (escape(xsublabel).splitlines()
if xsublabel is not None else [])
ysublabel = (escape(ysublabel).splitlines()
if ysublabel is not None else [])
# don't allow >2 ticklabels and render single ticklabels only once
if xticklabels_ is not None:
if len(xticklabels_) == 1:
xticklabels_ = ["", xticklabels_[0]]
elif len(xticklabels_) > 2:
xticklabels_ = [xticklabels_[0], xticklabels_[-1]]
if yticklabels_ is not None:
if len(yticklabels_) == 1:
yticklabels_ = ["", yticklabels_[0]]
elif len(yticklabels_) > 2:
yticklabels_ = [yticklabels_[0], yticklabels_[-1]]
s.x2 = x2_
s.y2 = y2_
s.xunits = xunits_
s.yunits = yunits_
s.xticklabels = xticklabels_
s.yticklabels = yticklabels_
s.title = subtitle
s.xlabel = xsublabel
s.ylabel = ysublabel
# preprocess margins so they can be shared
for s in grid:
s.xmargin = (
len(s.ylabel) + (1 if s.ylabel else 0) # fit ysublabel
+ (1 if s.x > 0 else 0), # space between
((5 if s.y2 else 4) + len(s.yunits) # fit yticklabels
if s.yticklabels is None
else max((len(t) for t in s.yticklabels), default=0))
+ (1 if s.yticklabels != [] else 0),
)
s.ymargin = (
len(s.xlabel), # fit xsublabel
1 if s.xticklabels != [] else 0, # fit xticklabels
len(s.title), # fit subtitle
)
for s in grid:
# share margins so everything aligns nicely
s.xmargin = (
max(s_.xmargin[0] for s_ in grid if s_.x == s.x),
max(s_.xmargin[1] for s_ in grid if s_.x == s.x),
)
s.ymargin = (
max(s_.ymargin[0] for s_ in grid if s_.y == s.y),
max(s_.ymargin[1] for s_ in grid if s_.y == s.y),
max(s_.ymargin[-1] for s_ in grid if s_.y+s_.yspan == s.y+s.yspan),
)
def draw(f):
def writeln(s=''):
f.write(s)
f.write('\n')
f.writeln = writeln
# first collect results from CSV files
results = collect(csv_paths, renames)
# then extract the requested datasets
datasets_ = datasets(results, by, x, y, define)
# figure out colors/chars here so that subplot defines
# don't change them later, that'd be bad
datacolors_ = {
name: colors_[i % len(colors_)]
for i, name in enumerate(datasets_.keys())}
datachars_ = {
name: chars_[i % len(chars_)]
for i, name in enumerate(datasets_.keys())}
dataline_chars_ = {
name: line_chars_[i % len(line_chars_)]
for i, name in enumerate(datasets_.keys())}
# build legend?
legend_width = 0
if legend_right or legend_above or legend_below:
legend_ = []
for i, k in enumerate(datasets_.keys()):
label = '%s%s' % (
'%s ' % chars_[i % len(chars_)]
if chars is not None
else '%s ' % line_chars_[i % len(line_chars_)]
if line_chars is not None
else '',
','.join(k_ for k_ in k if k_))
if label:
legend_.append(label)
legend_width = max(legend_width, len(label)+1)
# figure out our canvas size
if width is None:
width_ = min(80, shutil.get_terminal_size((80, None))[0])
elif width:
width_ = width
else:
width_ = shutil.get_terminal_size((80, None))[0]
if height is None:
height_ = 17 + len(title) + len(xlabel)
elif height:
height_ = height
else:
height_ = shutil.get_terminal_size((None,
17 + len(title) + len(xlabel)))[1]
# make space for shell prompt
if not keep_open:
height_ -= 1
# carve out space for the xlabel
height_ -= len(xlabel)
# carve out space for the ylabel
width_ -= len(ylabel) + (1 if ylabel else 0)
# carve out space for title
height_ -= len(title)
# carve out space for the legend
if legend_right and legend_:
width_ -= legend_width
if legend_above and legend_:
legend_cols = len(legend_)
while True:
legend_widths = [
max(len(l) for l in legend_[i::legend_cols])
for i in range(legend_cols)]
if (legend_cols <= 1
or sum(legend_widths)+2*(legend_cols-1)
+ max(sum(s.xmargin[:2]) for s in grid if s.x == 0)
<= width_):
break
legend_cols -= 1
height_ -= (len(legend_)+legend_cols-1) // legend_cols
if legend_below and legend_:
legend_cols = len(legend_)
while True:
legend_widths = [
max(len(l) for l in legend_[i::legend_cols])
for i in range(legend_cols)]
if (legend_cols <= 1
or sum(legend_widths)+2*(legend_cols-1)
+ max(sum(s.xmargin[:2]) for s in grid if s.x == 0)
<= width_):
break
legend_cols -= 1
height_ -= (len(legend_)+legend_cols-1) // legend_cols
# figure out the grid dimensions
#
# note we floor to give the dimension tweaks the best chance of not
# exceeding the requested dimensions, this means we usually are less
# than the requested dimensions by quite a bit when we have many
# subplots, but it's a tradeoff for a relatively simple implementation
widths = [m.floor(w*width_) for w in grid.xweights]
heights = [m.floor(w*height_) for w in grid.yweights]
# tweak dimensions to allow all plots to have a minimum width,
# this may force the plot to be larger than the requested dimensions,
# but that's the best we can do
for s in grid:
# fit xunits
minwidth = sum(s.xmargin) + max(2,
2*((5 if s.x2 else 4)+len(s.xunits))
if s.xticklabels is None
else sum(len(t) for t in s.xticklabels))
# fit yunits
minheight = sum(s.ymargin) + 2
i = 0
while minwidth > sum(widths[s.x:s.x+s.xspan]):
widths[s.x+i] += 1
i = (i + 1) % s.xspan
i = 0
while minheight > sum(heights[s.y:s.y+s.yspan]):
heights[s.y+i] += 1
i = (i + 1) % s.yspan
width_ = sum(widths)
height_ = sum(heights)
# create a plot for each subplot
for s in grid:
# allow subplot params to override global params
define_ = define + s.args.get('define', [])
xlim_ = s.args.get('xlim', xlim)
ylim_ = s.args.get('ylim', ylim)
xlog_ = s.args.get('xlog', False) or xlog
ylog_ = s.args.get('ylog', False) or ylog
# allow shortened ranges
if len(xlim_) == 1:
xlim_ = (0, xlim_[0])
if len(ylim_) == 1:
ylim_ = (0, ylim_[0])
# data can be constrained by subplot-specific defines,
# so re-extract for each plot
subdatasets = datasets(results, by, x, y, define_)
# find actual xlim/ylim
xlim_ = (
xlim_[0] if xlim_[0] is not None
else min(it.chain([0], (k
for r in subdatasets.values()
for k, v in r.items()
if v is not None))),
xlim_[1] if xlim_[1] is not None
else max(it.chain([0], (k
for r in subdatasets.values()
for k, v in r.items()
if v is not None))))
ylim_ = (
ylim_[0] if ylim_[0] is not None
else min(it.chain([0], (v
for r in subdatasets.values()
for _, v in r.items()
if v is not None))),
ylim_[1] if ylim_[1] is not None
else max(it.chain([0], (v
for r in subdatasets.values()
for _, v in r.items()
if v is not None))))
# find actual width/height
subwidth = sum(widths[s.x:s.x+s.xspan]) - sum(s.xmargin)
subheight = sum(heights[s.y:s.y+s.yspan]) - sum(s.ymargin)
# plot!
plot = Plot(
subwidth,
subheight,
xlim=xlim_,
ylim=ylim_,
xlog=xlog_,
ylog=ylog_,
braille=line_chars is None and braille,
dots=line_chars is None and not braille)
for name, dataset in subdatasets.items():
plot.plot(
sorted((x,y) for x,y in dataset.items()),
color=datacolors_[name],
char=datachars_[name],
line_char=dataline_chars_[name])
s.plot = plot
s.width = subwidth
s.height = subheight
s.xlim = xlim_
s.ylim = ylim_
# now that everything's plotted, let's render things to the terminal
# figure out margin
xmargin = (
len(ylabel) + (1 if ylabel else 0),
sum(grid[0,0].xmargin[:2]),
)
ymargin = (
sum(grid[0,0].ymargin[:2]),
grid[-1,-1].ymargin[-1],
)
# draw title?
for line in title:
f.writeln('%*s%s' % (
sum(xmargin[:2]), '',
line.center(width_-xmargin[1])))
# draw legend_above?
if legend_above and legend_:
for i in range(0, len(legend_), legend_cols):
f.writeln('%*s%s' % (
max(sum(xmargin[:2])
+ (width_-xmargin[1]
- (sum(legend_widths)+2*(legend_cols-1)))
// 2,
0), '',
' '.join('%s%s%s' % (
'\x1b[%sm' % colors_[(i+j) % len(colors_)]
if color else '',
'%-*s' % (legend_widths[j], legend_[i+j]),
'\x1b[m'
if color else '')
for j in range(min(legend_cols, len(legend_)-i)))))
for row in range(height_):
# draw ylabel?
f.write(
'%s ' % ''.join(
('%*s%s%*s' % (
ymargin[-1], '',
line.center(height_-sum(ymargin)),
ymargin[0], ''))[row]
for line in ylabel)
if ylabel else '')
for x_ in range(grid.width):
# figure out the grid x/y position
subrow = row
y_ = len(heights)-1
while subrow >= heights[y_]:
subrow -= heights[y_]
y_ -= 1
s = grid[x_, y_]
subrow = row - sum(heights[s.y+s.yspan:])
# header
if subrow < s.ymargin[-1]:
# draw subtitle?
if subrow < len(s.title):
f.write('%*s%s' % (
sum(s.xmargin[:2]), '',
s.title[subrow].center(s.width)))
else:
f.write('%*s%*s' % (
sum(s.xmargin[:2]), '',
s.width, ''))
# draw plot?
elif subrow-s.ymargin[-1] < s.height:
subrow = subrow-s.ymargin[-1]
# draw ysublabel?
f.write('%-*s' % (
s.xmargin[0],
'%s ' % ''.join(
line.center(s.height)[subrow]
for line in s.ylabel)
if s.ylabel else ''))
# draw yunits?
if subrow == 0 and s.yticklabels != []:
f.write('%*s' % (
s.xmargin[1],
((si2 if s.y2 else si)(s.ylim[1]) + s.yunits
if s.yticklabels is None
else s.yticklabels[1])
+ ' '))
elif subrow == s.height-1 and s.yticklabels != []:
f.write('%*s' % (
s.xmargin[1],
((si2 if s.y2 else si)(s.ylim[0]) + s.yunits
if s.yticklabels is None
else s.yticklabels[0])
+ ' '))
else:
f.write('%*s' % (
s.xmargin[1], ''))
# draw plot!
f.write(s.plot.draw(subrow, color=color))
# footer
else:
subrow = subrow-s.ymargin[-1]-s.height
# draw xunits?
if subrow < (1 if s.xticklabels != [] else 0):
f.write('%*s%-*s%*s%*s' % (
sum(s.xmargin[:2]), '',
(5 if s.x2 else 4) + len(s.xunits)
if s.xticklabels is None
else len(s.xticklabels[0]),
(si2 if s.x2 else si)(s.xlim[0]) + s.xunits
if s.xticklabels is None
else s.xticklabels[0],
s.width - (2*((5 if s.x2 else 4)+len(s.xunits))
if s.xticklabels is None
else sum(len(t) for t in s.xticklabels)), '',
(5 if s.x2 else 4) + len(s.xunits)
if s.xticklabels is None
else len(s.xticklabels[1]),
(si2 if s.x2 else si)(s.xlim[1]) + s.xunits
if s.xticklabels is None
else s.xticklabels[1]))
# draw xsublabel?
elif (subrow < s.ymargin[1]
or subrow-s.ymargin[1] >= len(s.xlabel)):
f.write('%*s%*s' % (
sum(s.xmargin[:2]), '',
s.width, ''))
else:
f.write('%*s%s' % (
sum(s.xmargin[:2]), '',
s.xlabel[subrow-s.ymargin[1]].center(s.width)))
# draw legend_right?
if (legend_right and legend_
and row >= ymargin[-1]
and row-ymargin[-1] < len(legend_)):
j = row-ymargin[-1]
f.write(' %s%s%s' % (
'\x1b[%sm' % colors_[j % len(colors_)] if color else '',
legend_[j],
'\x1b[m' if color else ''))
f.writeln()
# draw xlabel?
for line in xlabel:
f.writeln('%*s%s' % (
sum(xmargin[:2]), '',
line.center(width_-xmargin[1])))
# draw legend below?
if legend_below and legend_:
for i in range(0, len(legend_), legend_cols):
f.writeln('%*s%s' % (
max(sum(xmargin[:2])
+ (width_-xmargin[1]
- (sum(legend_widths)+2*(legend_cols-1)))
// 2,
0), '',
' '.join('%s%s%s' % (
'\x1b[%sm' % colors_[(i+j) % len(colors_)]
if color else '',
'%-*s' % (legend_widths[j], legend_[i+j]),
'\x1b[m'
if color else '')
for j in range(min(legend_cols, len(legend_)-i)))))
if keep_open:
try:
while True:
if cat:
draw(sys.stdout)
else:
ring = LinesIO()
draw(ring)
ring.draw()
# try to inotifywait
if inotify_simple is not None:
ptime = time.time()
inotifywait(csv_paths)
# sleep for a minimum amount of time, this helps issues
# around rapidly updating files
time.sleep(max(0, (sleep or 0.01) - (time.time()-ptime)))
else:
time.sleep(sleep or 0.1)
except KeyboardInterrupt:
pass
if cat:
draw(sys.stdout)
else:
ring = LinesIO()
draw(ring)
ring.draw()
sys.stdout.write('\n')
else:
draw(sys.stdout)
if __name__ == "__main__":
import sys
import argparse
parser = argparse.ArgumentParser(
description="Plot CSV files in terminal.",
allow_abbrev=False)
parser.add_argument(
'csv_paths',
nargs='*',
help="Input *.csv files.")
parser.add_argument(
'-b', '--by',
action='append',
type=lambda x: (
lambda k,v=None: (k, v.split(',') if v is not None else ())
)(*x.split('=', 1)),
help="Group by this field. Can rename fields with new_name=old_name.")
parser.add_argument(
'-x',
action='append',
type=lambda x: (
lambda k,v=None: (k, v.split(',') if v is not None else ())
)(*x.split('=', 1)),
help="Field to use for the x-axis. Can rename fields with "
"new_name=old_name.")
parser.add_argument(
'-y',
action='append',
type=lambda x: (
lambda k,v=None: (k, v.split(',') if v is not None else ())
)(*x.split('=', 1)),
help="Field to use for the y-axis. Can rename fields with "
"new_name=old_name.")
parser.add_argument(
'-D', '--define',
type=lambda x: (lambda k,v: (k, set(v.split(','))))(*x.split('=', 1)),
action='append',
help="Only include results where this field is this value. May include "
"comma-separated options.")
parser.add_argument(
'--color',
choices=['never', 'always', 'auto'],
default='auto',
help="When to use terminal colors. Defaults to 'auto'.")
parser.add_argument(
'-⣿', '--braille',
action='store_true',
help="Use 2x4 unicode braille characters. Note that braille characters "
"sometimes suffer from inconsistent widths.")
parser.add_argument(
'-.', '--points',
action='store_true',
help="Only draw data points.")
parser.add_argument(
'-!', '--points-and-lines',
action='store_true',
help="Draw data points and lines.")
parser.add_argument(
'--colors',
type=lambda x: [x.strip() for x in x.split(',')],
help="Comma-separated colors to use.")
parser.add_argument(
'--chars',
help="Characters to use for points.")
parser.add_argument(
'--line-chars',
help="Characters to use for lines.")
parser.add_argument(
'-W', '--width',
nargs='?',
type=lambda x: int(x, 0),
const=0,
help="Width in columns. 0 uses the terminal width. Defaults to "
"min(terminal, 80).")
parser.add_argument(
'-H', '--height',
nargs='?',
type=lambda x: int(x, 0),
const=0,
help="Height in rows. 0 uses the terminal height. Defaults to 17.")
parser.add_argument(
'-X', '--xlim',
type=lambda x: tuple(
dat(x) if x.strip() else None
for x in x.split(',')),
help="Range for the x-axis.")
parser.add_argument(
'-Y', '--ylim',
type=lambda x: tuple(
dat(x) if x.strip() else None
for x in x.split(',')),
help="Range for the y-axis.")
parser.add_argument(
'--xlog',
action='store_true',
help="Use a logarithmic x-axis.")
parser.add_argument(
'--ylog',
action='store_true',
help="Use a logarithmic y-axis.")
parser.add_argument(
'--x2',
action='store_true',
help="Use base-2 prefixes for the x-axis.")
parser.add_argument(
'--y2',
action='store_true',
help="Use base-2 prefixes for the y-axis.")
parser.add_argument(
'--xunits',
help="Units for the x-axis.")
parser.add_argument(
'--yunits',
help="Units for the y-axis.")
parser.add_argument(
'--xlabel',
help="Add a label to the x-axis.")
parser.add_argument(
'--ylabel',
help="Add a label to the y-axis.")
parser.add_argument(
'--xticklabels',
type=lambda x:
[x.strip() for x in x.split(',')]
if x.strip() else [],
help="Comma separated xticklabels.")
parser.add_argument(
'--yticklabels',
type=lambda x:
[x.strip() for x in x.split(',')]
if x.strip() else [],
help="Comma separated yticklabels.")
parser.add_argument(
'-t', '--title',
help="Add a title.")
parser.add_argument(
'-l', '--legend-right',
action='store_true',
help="Place a legend to the right.")
parser.add_argument(
'--legend-above',
action='store_true',
help="Place a legend above.")
parser.add_argument(
'--legend-below',
action='store_true',
help="Place a legend below.")
class AppendSubplot(argparse.Action):
@staticmethod
def parse(value):
import copy
subparser = copy.deepcopy(parser)
next(a for a in subparser._actions
if '--width' in a.option_strings).type = float
next(a for a in subparser._actions
if '--height' in a.option_strings).type = float
return subparser.parse_intermixed_args(shlex.split(value or ""))
def __call__(self, parser, namespace, value, option):
if not hasattr(namespace, 'subplots'):
namespace.subplots = []
namespace.subplots.append((
option.split('-')[-1],
self.__class__.parse(value)))
parser.add_argument(
'--subplot-above',
action=AppendSubplot,
help="Add subplot above with the same dataset. Takes an arg string to "
"control the subplot which supports most (but not all) of the "
"parameters listed here. The relative dimensions of the subplot "
"can be controlled with -W/-H which now take a percentage.")
parser.add_argument(
'--subplot-below',
action=AppendSubplot,
help="Add subplot below with the same dataset.")
parser.add_argument(
'--subplot-left',
action=AppendSubplot,
help="Add subplot left with the same dataset.")
parser.add_argument(
'--subplot-right',
action=AppendSubplot,
help="Add subplot right with the same dataset.")
parser.add_argument(
'--subplot',
type=AppendSubplot.parse,
help="Add subplot-specific arguments to the main plot.")
parser.add_argument(
'-z', '--cat',
action='store_true',
help="Pipe directly to stdout.")
parser.add_argument(
'-k', '--keep-open',
action='store_true',
help="Continue to open and redraw the CSV files in a loop.")
parser.add_argument(
'-s', '--sleep',
type=float,
help="Time in seconds to sleep between redraws when running with -k. "
"Defaults to 0.01.")
def dictify(ns):
if hasattr(ns, 'subplots'):
ns.subplots = [(dir, dictify(subplot_ns))
for dir, subplot_ns in ns.subplots]
if ns.subplot is not None:
ns.subplot = dictify(ns.subplot)
return {k: v
for k, v in vars(ns).items()
if v is not None}
sys.exit(main(**dictify(parser.parse_intermixed_args())))
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