/usr/bin/ufl-convert-3 is in python3-ufl 2016.2.0-2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 | #!/usr/bin/python3
from __future__ import print_function
import sys
import subprocess
import io
import os
import optparse
from pprint import pprint
from ufl.algorithms import tree_format, compute_form_data
from ufl.formatting.ufl2dot import ufl2dot
from ufl.formatting.ufl2latex import forms2latexdocument
from ufl.algorithms.formfiles import load_ufl_file
# --- Utilities
def get_status_output(cmd, input=None, cwd=None, env=None):
"""Replacement for commands.getstatusoutput which does not work on Windows (or Python 3)."""
if isinstance(cmd, string_types):
cmd = cmd.strip().split()
pipe = subprocess.Popen(cmd, shell=False, cwd=cwd, env=env,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
(output, errout) = pipe.communicate(input=input)
assert not errout
status = pipe.returncode
if isinstance(output, bytes):
output = output.decode('utf-8')
return (status, output)
def runcmd(cmd):
status, output = get_status_output(cmd)
if status != 0:
print("*** Error:")
print(output)
sys.exit(-1)
def write_file(filename, text):
"Write text to a file and close it."
with io.open(filename, "w", encoding="utf-8") as f:
f.write(text)
print("Wrote file %s" % filename)
# --- Option parsing
usage = """Convert a .ufl file to some other format.
Examples:
ufl-convert -omydir -iyourdir -c -f -tpdf -s mass.ufl"""
def opt(long, short, t, default, help):
return optparse.make_option("--%s" % long, "-%s" % short, action="store", type=t, dest=long, default=default, help=help)
option_list = [ \
# Directories:
opt("outputdir", "o", "str", "", "Output directory."),
opt("inputdir", "i", "str", "", "Input directory."),
# Expression transformations:
opt("labeling", "l", "str", "repr", "Set to 'repr' or 'compact' for different naming of graph nodes."),
opt("compile", "c", "int", 0, "'Compile' forms: apply expression transformations like in a quadrature based form compilation. Only used for latex formatting."),
# Output formats:
opt("format", "f", "str", "", "Rendering format (str, repr, tree, dot, latex)."),
opt("filetype", "t", "str", "", "Output file type (txt, py, dot, tex, ps, pdf, png)."),
]
parser = optparse.OptionParser(usage=usage, option_list=option_list)
args = sys.argv[1:]
(options, args) = parser.parse_args(args=args)
if not args:
print("Missing files!")
print()
parser.print_usage()
sys.exit(-1)
# --- Handle each file
for arg in args:
# 0) Get and check filename
uflfilename = os.path.join(options.inputdir, arg)
path, name = os.path.split(uflfilename)
basename, ext = os.path.splitext(name)
if ext != ".ufl":
print("Expecting a .ufl file, not ", uflfilename)
sys.exit(-1)
# 1) Load forms
ufl_data = load_ufl_file(uflfilename)
forms = ufl_data.forms
#expressions = ufl_data.expressions # TODO: Allow rendering expressions without form stuff!
# Preprocess forms
form_datas = [compute_form_data(f) for f in forms]
# 3) Render result
format = options.format
# Make format string conform
if format == "latex":
format = "tex"
if format == "tex":
rendered = forms2latexdocument(forms, uflfilename, compile=options.compile)
elif format in ("str", "repr", "tree"):
data = []
for i, fd in enumerate(form_datas):
f = fd.original_form
name = ufl_data.object_names.get(f, "form")
if format == "str":
s = str(f)
elif format == "repr":
s = repr(f)
elif format == "tree":
s = tree_format(f)
tmp = "Form %s:\n%s\n" % (name, s)
data.append(tmp)
rendered = "\n\n".join(data)
elif format == "dot":
data = []
nodeoffset = 0
for i, fd in enumerate(form_datas):
f = fd.original_form
name = ufl_data.object_names.get(f, "form")
begin = (i == 0)
end = (i == len(forms) - 1)
dot, nodeoffset = ufl2dot(f, name, nodeoffset, begin, end,
options.labeling, ufl_data.object_names)
tmp = "/* Form %s: */\n%s\n" % (name, dot)
data.append(tmp)
rendered = "\n\n".join(data)
else:
print("Unknown rendering format ", format)
sys.exit(-1)
# 4) Convert file format
filetype = options.filetype
# Default filetypes:
if not filetype:
if format == "str":
filetype = "str"
elif format == "repr":
filetype = "repr"
elif format == "tree":
filetype = "tree"
elif format == "dot":
filetype = "dot"
elif format == "tex":
filetype = "tex"
# Guess that the filetype is the ext, usually the case
ext = filetype
if ext and not ext.startswith("."):
ext = "." + ext
outputfilename = os.path.join(options.outputdir, basename + ext)
# Pure text files:
if filetype == "txt" or filetype == format:
write_file(outputfilename, rendered)
# Conversions from tex:
elif format == "tex":
texfile = os.path.join(options.outputdir, basename + ".tex") # TODO: Use a proper temp file?
write_file(texfile, rendered)
if filetype == "pdf":
flags = "-file-line-error-style -interaction=nonstopmode"
cmd = "pdflatex %s '%s'" % (flags, texfile)
runcmd(cmd)
else:
print("Unknown format and filetype combination:", format, filetype)
sys.exit(-1)
# Conversions from dot:
elif format == "dot":
tempfile = os.path.join(options.outputdir, basename + ".dot") # TODO: Use a proper temp file?
write_file(tempfile, rendered)
if filetype in ("png", "ps", "svg", "gif", "dia", "imap", "cmapx"): # taken from "man dot"
runcmd("dot -T%s -o'%s' '%s'" % (filetype, outputfilename, tempfile))
elif filetype == "pdf":
psfilename = os.path.join(options.outputdir, basename + ".ps")
pdffilename = os.path.join(options.outputdir, basename + ".pdf")
runcmd("dot -T%s -o'%s' '%s'" % (filetype, psfilename, tempfile))
runcmd("ps2pdf '%s' '%s'" % (psfilename, pdffilename))
else:
print("Unknown format and filetype combination:", format, filetype)
sys.exit(-1)
# That's all we know!
else:
print("*** Error: Sorry, don't know how to render format '%s' for file type '%s'." \
% (format, filetype))
print("Please try another combination, perhaps -fdot -tpdf?")
sys.exit(-1)
|