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#!/usr/bin/env python3
import argparse
import math
import operator
import fpdf
import strictyaml
class Chart:
def __init__(self):
self.parser = self.get_parser()
self.args = self.parser.parse_args()
self.data = strictyaml.load(self.args.chart_data.read()).data
def get_parser(self):
parser = argparse.ArgumentParser()
parser.add_argument(
"chart_data",
type=argparse.FileType("r")
)
parser.add_argument(
"--output",
type=argparse.FileType("w"),
default=None,
help="Destination file",
)
parser.add_argument(
"--columns", "-c",
default=4,
type=int,
help="Number of columns per page",
)
parser.add_argument(
"--rows", "-r",
default=16,
type=int,
help="Number of rows per page",
)
parser.add_argument(
"--index-columns", "-i",
default=6,
type=int,
help="Number of columns per index page",
)
parser.add_argument(
"--background-fill", "-b",
action=argparse.BooleanOptionalAction,
default=True,
help="Fill the background with the target colour",
)
return parser
def get_arranged_cells(self):
per_page = self.args.columns * self.args.rows
padded = self.data["colours"] + [{}] * (
per_page - len(self.data["colours"]) % per_page
)
pages = [
padded[i * per_page:i * per_page + per_page]
for i in range(len(padded) // per_page)
]
cells = [
[
[p[i + self.args.rows * j] for j in range(self.args.columns)]
for i in range(len(p) // self.args.columns)
]
for p in pages
]
return(cells)
def get_index(self):
index = [
(c["label"], i // self.args.rows)
for i, c in enumerate(self.data["colours"])
]
index.sort(key=operator.itemgetter(0))
return index
def write_pdf(self):
pdf = fpdf.FPDF(format="A5")
pdf.add_font(
family="FreeSans",
fname="/usr/share/fonts/opentype/freefont/FreeSans.otf",
)
pdf.add_font(
family="FreeSans",
style="B",
fname="/usr/share/fonts/opentype/freefont/FreeSansBold.otf",
)
pdf.add_font(
family="FreeSerif",
fname="/usr/share/fonts/opentype/freefont/FreeSerif.otf",
)
for p_num, page in enumerate(self.get_arranged_cells()):
pdf.add_page()
pdf.set_font("FreeSerif", size=10)
cell_width = (148 - 20) / (self.args.columns * 2)
pdf.cell(64, 8, self.data["title"], align="C")
pdf.ln()
pdf.set_font("FreeSans", "B", 10)
for j in range(self.args.columns):
pdf.cell(cell_width, 8, str(j + p_num * self.args.columns),)
pdf.cell(cell_width, 8, "")
pdf.ln()
for row in page:
for cell in row:
if cell:
pdf.set_fill_color(255,255,255)
if self.args.background_fill and cell.get("bg"):
pdf.set_fill_color(*map(int, cell["bg"].split()))
pdf.cell(cell_width, 8, "", border=1, fill=True)
pdf.cell(cell_width, 8, cell["label"], )
pdf.ln(10)
pdf.add_page()
pdf.set_font("FreeSerif", size=10)
cell_width = (148 - 20) / (self.args.columns * 2)
pdf.cell(64, 8, self.data["title"], align="C")
pdf.ln()
pdf.set_font("FreeSerif", size=10)
with pdf.text_columns(
ncols=self.args.index_columns,
balance=True,
gutter=4,
text_align="RIGHT",
) as cols:
for c in self.get_index():
pdf.set_font("FreeSerif", size=10)
cols.write(str(c[0]))
cols.write(" ")
pdf.set_font("FreeSans", "B", size=10)
cols.write(str(c[1]))
cols.ln()
fname = (
getattr(self.args.output, "name", None) or
self.args.chart_data.name.replace(".yaml", ".pdf")
)
print(fname)
pdf.output(fname)
if __name__ == "__main__":
Chart().write_pdf()
|
