1 #!/usr/bin/env python 2 3 """ 4 Preparation of templating stylesheets. 5 6 Copyright (C) 2005 Paul Boddie <paul@boddie.org.uk> 7 8 This library is free software; you can redistribute it and/or 9 modify it under the terms of the GNU Lesser General Public 10 License as published by the Free Software Foundation; either 11 version 2.1 of the License, or (at your option) any later version. 12 13 This library is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 Lesser General Public License for more details. 17 18 You should have received a copy of the GNU Lesser General Public 19 License along with this library; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21 """ 22 23 from XSLTools import XSLOutput 24 import libxml2dom 25 import os 26 27 resource_dir = os.path.join(os.path.split(__file__)[0], "XSL") 28 29 def make_stylesheet(template_name, output_name, stylesheet_names=["PrepareMacro.xsl", "Prepare.xsl"], encoding=None): 30 31 """ 32 Make an output stylesheet using the file with the given 'template_name', 33 producing a file with the given 'output_name'. 34 """ 35 36 stylesheets = [os.path.join(resource_dir, stylesheet_name) for stylesheet_name in stylesheet_names] 37 proc = XSLOutput.Processor(stylesheets) 38 template = libxml2dom.parse(template_name) 39 proc.send_output(open(output_name, "wb"), encoding, template) 40 41 def make_stylesheet_fragment(template_name, output_name, element_id, stylesheet_name="Extract.xsl", encoding=None): 42 43 """ 44 Make an output stylesheet using the file with the given 'template_name', 45 producing a file with the given 'output_name', capturing the fragment 46 identified by the given 'element_id'. 47 """ 48 49 proc = XSLOutput.Processor([os.path.join(resource_dir, stylesheet_name)], parameters={"element-id" : element_id}) 50 template = libxml2dom.parse(template_name) 51 proc.send_output(open(output_name, "wb"), encoding, template) 52 53 def ensure_stylesheet(template_name, output_name): 54 55 """ 56 Ensure the presence of an output stylesheet, preparing it if necessary 57 using the file with the given 'template_name', producing a file with the 58 given 'output_name'. 59 """ 60 61 if not os.path.exists(output_name) or \ 62 os.path.getmtime(output_name) < os.path.getmtime(template_name): 63 64 make_stylesheet(template_name, output_name) 65 66 def ensure_stylesheet_fragment(template_name, output_name, element_id): 67 68 """ 69 Ensure the presence of an output stylesheet, preparing it if necessary 70 using the file with the given 'template_name', producing a file with the 71 given 'output_name', capturing the fragment identified by the given 72 'element_id'. 73 """ 74 75 if not os.path.exists(output_name) or \ 76 os.path.getmtime(output_name) < os.path.getmtime(template_name): 77 78 make_stylesheet_fragment(template_name, output_name, element_id) 79 80 def make_input_stylesheet(template_name, input_name, stylesheet_names=["Schema.xsl", "Input.xsl"], encoding=None): 81 82 """ 83 Make an input stylesheet using the file with the given 'template_name', 84 producing a file with the given 'input_name'. Such stylesheets are used to 85 ensure the general structure of an input document. 86 """ 87 88 stylesheets = [os.path.join(resource_dir, stylesheet_name) for stylesheet_name in stylesheet_names] 89 proc = XSLOutput.Processor(stylesheets) 90 template = libxml2dom.parse(template_name) 91 proc.send_output(open(input_name, "wb"), encoding, template) 92 93 def ensure_input_stylesheet(template_name, input_name): 94 95 """ 96 Ensure the presence of an input stylesheet, preparing it if necessary 97 using the file with the given 'template_name', producing a file with the 98 given 'input_name'. 99 """ 100 101 if not os.path.exists(input_name) or \ 102 os.path.getmtime(input_name) < os.path.getmtime(template_name): 103 104 make_input_stylesheet(template_name, input_name) 105 106 # vim: tabstop=4 expandtab shiftwidth=4