/usr/share/pyshared/blockdiag/utils/bootstrap.py is in python-blockdiag 1.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2011 Takeshi KOMIYA
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import re
import sys
import codecs
from optparse import OptionParser, SUPPRESS_HELP
from blockdiag import imagedraw
from blockdiag.utils.config import ConfigParser
from blockdiag.utils.fontmap import parse_fontpath, FontMap
class Application(object):
module = None
options = None
def run(self, args):
try:
self.parse_options(args)
self.create_fontmap()
parsed = self.parse_diagram()
return self.build_diagram(parsed)
except SystemExit as e:
return e
except UnicodeEncodeError as e:
msg = "ERROR: UnicodeEncodeError caught " + \
"(check your font settings)\n"
sys.stderr.write(msg)
return -1
except Exception as e:
if self.options and self.options.debug:
import traceback
traceback.print_exc()
else:
sys.stderr.write("ERROR: %s\n" % e)
return -1
def parse_options(self, args):
self.options = Options(self.module).parse(args)
def create_fontmap(self):
self.fontmap = create_fontmap(self.options)
def parse_diagram(self):
if self.options.input == '-':
stream = codecs.getreader('utf-8-sig')(sys.stdin)
self.code = stream.read()
else:
fp = codecs.open(self.options.input, 'r', 'utf-8-sig')
self.code = fp.read()
return self.module.parser.parse_string(self.code)
def build_diagram(self, tree):
DiagramDraw = self.module.drawer.DiagramDraw
diagram = self.module.builder.ScreenNodeBuilder.build(tree)
drawer = DiagramDraw(self.options.type, diagram,
self.options.output, fontmap=self.fontmap,
code=self.code, antialias=self.options.antialias,
nodoctype=self.options.nodoctype,
transparency=self.options.transparency)
drawer.draw()
if self.options.size:
drawer.save(size=self.options.size)
else:
drawer.save()
return 0
class Options(object):
def __init__(self, module):
self.module = module
self.build_parser()
def parse(self, args):
self.options, self.args = self.parser.parse_args(args)
self.validate()
self.read_configfile()
return self.options
def build_parser(self):
version = "%%prog %s" % self.module.__version__
usage = "usage: %prog [options] infile"
self.parser = p = OptionParser(usage=usage, version=version)
p.add_option('-a', '--antialias', action='store_true',
help='Pass diagram image to anti-alias filter')
p.add_option('-c', '--config',
help='read configurations from FILE', metavar='FILE')
p.add_option('--debug', action='store_true',
help='Enable debug mode')
p.add_option('-o', dest='output',
help='write diagram to FILE', metavar='FILE')
p.add_option('-f', '--font', default=[], action='append',
help='use FONT to draw diagram', metavar='FONT')
p.add_option('--fontmap',
help='use FONTMAP file to draw diagram', metavar='FONT')
p.add_option('--ignore-pil', dest='ignore_pil',
default=False, action='store_true', help=SUPPRESS_HELP)
p.add_option('--no-transparency', dest='transparency',
default=True, action='store_false',
help='do not make transparent background of diagram ' +
'(PNG only)')
p.add_option('--size',
help='Size of diagram (ex. 320x240)')
p.add_option('-T', dest='type', default='PNG',
help='Output diagram as TYPE format')
p.add_option('--nodoctype', action='store_true',
help='Do not output doctype definition tags (SVG only)')
return p
def validate(self):
if len(self.args) == 0:
self.parser.print_help()
sys.exit(0)
self.options.input = self.args.pop(0)
if self.options.output:
pass
elif self.options.output == '-':
self.options.output = 'output.' + self.options.type.lower()
else:
basename = os.path.splitext(self.options.input)[0]
ext = '.%s' % self.options.type.lower()
self.options.output = basename + ext
self.options.type = self.options.type.upper()
try:
imagedraw.create(self.options.type, None)
except:
msg = "unknown format: %s" % self.options.type
raise RuntimeError(msg)
if self.options.size:
matched = re.match('^(\d+)x(\d+)$', self.options.size)
if matched:
self.options.size = [int(n) for n in matched.groups()]
else:
msg = "--size option must be formatted as WIDTHxHEIGHT."
raise RuntimeError(msg)
if self.options.type == 'PDF':
try:
import reportlab.pdfgen.canvas
reportlab.pdfgen.canvas
except ImportError:
msg = "could not output PDF format; Install reportlab."
raise RuntimeError(msg)
if self.options.ignore_pil:
msg = "WARNING: --ignore-pil option is deprecated " + \
"(detect automatically).\n"
sys.stderr.write(msg)
if self.options.nodoctype and self.options.type != 'SVG':
msg = "--nodoctype option work in SVG images."
raise RuntimeError(msg)
if self.options.transparency is False and self.options.type != 'PNG':
msg = "--no-transparency option work in PNG images."
raise RuntimeError(msg)
if self.options.config and not os.path.isfile(self.options.config):
msg = "config file is not found: %s" % self.options.config
raise RuntimeError(msg)
if self.options.fontmap and not os.path.isfile(self.options.fontmap):
msg = "fontmap file is not found: %s" % self.options.fontmap
raise RuntimeError(msg)
def read_configfile(self):
if self.options.config:
configpath = self.options.config
elif os.environ.get('HOME'):
configpath = '%s/.blockdiagrc' % os.environ.get('HOME')
elif os.environ.get('USERPROFILE'):
configpath = '%s/.blockdiagrc' % os.environ.get('USERPROFILE')
else:
configpath = ''
appname = self.module.__name__
if os.path.isfile(configpath):
config = ConfigParser()
config.read(configpath)
if config.has_option(appname, 'fontpath'):
fontpath = config.get(appname, 'fontpath')
self.options.font.append(fontpath)
if config.has_option(appname, 'fontmap'):
if self.options.fontmap is None:
self.options.fontmap = config.get(appname, 'fontmap')
if config.has_option(appname, 'antialias'):
antialias = config.get(appname, 'antialias')
if antialias.lower() == 'true':
self.options.antialias = True
if self.options.fontmap is None:
self.options.fontmap = configpath
def detectfont(options):
import glob
fontdirs = [
'/usr/share/fonts',
'/Library/Fonts',
'/System/Library/Fonts',
'c:/windows/fonts',
'/usr/local/share/font-*',
]
fontfiles = [
'ipagp.ttf',
'ipagp.otf',
'VL-PGothic-Regular.ttf',
'Hiragino Sans GB W3.otf',
'AppleGothic.ttf',
'msgothic.ttf',
'msgoth04.ttf',
'msgothic.ttc',
]
fontpath = None
if options.font:
for path in options.font:
_path, _ = parse_fontpath(path)
if os.path.isfile(_path):
fontpath = path
break
else:
msg = 'fontfile is not found: %s' % options.font
raise RuntimeError(msg)
if fontpath is None:
globber = (glob.glob(d) for d in fontdirs)
for fontdir in sum(globber, []):
for root, _, files in os.walk(fontdir):
for font in fontfiles:
if font in files:
fontpath = os.path.join(root, font)
break
return fontpath
def create_fontmap(options):
fontmap = FontMap(options.fontmap)
if fontmap.find().path is None or options.font:
fontpath = detectfont(options)
fontmap.set_default_font(fontpath)
return fontmap
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