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# -*- coding: utf-8 -*-
import lilylib as ly
import book_snippets as BookSnippet
from book_snippets import *
import re
global _;_=ly._
progress = ly.progress
warning = ly.warning
error = ly.error
########################################################################
# Helper functions
########################################################################
def find_file (name, include_path, working_dir=None, raise_error=True):
current_path = working_dir or os.getcwd();
for i in [current_path] + include_path:
full = os.path.join (i, name)
full = os.path.normpath (os.path.join (current_path, full))
if os.path.exists (full):
return full
if raise_error:
error (_ ("file not found: %s") % name + '\n')
exit (1)
return ''
def verbatim_html (s):
return re.sub ('>', '>',
re.sub ('<', '<',
re.sub ('&', '&', s)))
########################################################################
# Option handling
########################################################################
#TODO: Definitions just once in all files!!!
LINE_WIDTH = 'line-width'
# TODO: Implement the intertext snippet option:
# 'intertext': r',?\s*intertext=\".*?\"',
default_snippet_opts = { 'alt': "[image of music]" }
########################################################################
# format handling
########################################################################
all_formats = []
def register_format (fmt):
all_formats.append (fmt)
########################################################################
# Snippet handling
########################################################################
# Use this for sorting the keys of the defined snippet types (the dict
# is unsorted, so we need to return sorted keys to ensure processing
# in a pre-defined order)
# Containing blocks must be first, see find_toplevel_snippets.
snippet_type_order = [
'multiline_comment',
'verbatim',
'verb',
'lilypond_block',
'singleline_comment',
'lilypond_file',
'include',
'lilypond',
'lilypondversion',
]
########################################################################
# Base class for all output formats
########################################################################
class BookOutputFormat:
def __init__ (self):
self.format = None
self.default_extension = None
self.snippet_res = {}
self.output = {}
self.handled_extensions = []
self.image_formats = "ps,png"
self.global_options = {}
self.document_language = ''
self.default_snippet_options = default_snippet_opts
self.snippet_option_separator = "\s*,\s*"
def supported_snippet_types (self):
# Sort according to snippet_type_order, unknown keys come last
keys = self.snippet_res.keys ()
# First the entries in snippet_type_order in that order (if present)
# then all entries not in snippet_type_order in given order
res = filter (lambda x:x in keys, snippet_type_order) + filter (lambda x:x not in snippet_type_order, keys)
return res
def snippet_regexp (self, snippettype):
return self.snippet_res.get (snippettype, None)
def can_handle_format (self, format):
return format == self.format
def can_handle_extension (self, extension):
return extension in self.handled_extensions
def add_options (self, option_parser):
pass
def process_options (self, global_options):
pass
def process_options_pdfnotdefault (self, global_options):
## prevent PDF from being switched on by default.
global_options.process_cmd += ' --formats=eps '
if global_options.create_pdf:
global_options.process_cmd += "--pdf -dinclude-eps-fonts -dgs-load-fonts "
if global_options.latex_program == 'latex':
global_options.latex_program = 'pdflatex'
def snippet_class (self, type):
return BookSnippet.snippet_type_to_class.get (type, BookSnippet.Snippet)
def get_document_language (self, source):
return ''
def init_default_snippet_options (self, source):
self.document_language = self.get_document_language (source)
if LINE_WIDTH not in self.default_snippet_options:
line_width = self.get_line_width (source)
if line_width:
self.default_snippet_options[LINE_WIDTH] = line_width
def get_line_width (self, source):
return None;
def split_snippet_options (self, option_string):
if option_string:
return re.split (self.snippet_option_separator, option_string)
return []
def input_fullname (self, input_filename):
return find_file (input_filename, self.global_options.include_path,
self.global_options.original_dir)
def adjust_snippet_command (self, cmd):
return cmd
def process_chunks (self, chunks):
return chunks
def snippet_output (self, basename, snippet):
warning (_("Output function not implemented"))
return ''
def output_simple (self, type, snippet):
return self.output.get (type, '') % snippet.get_replacements ()
def output_simple_replacements (self, type, variables):
return self.output.get (type, '') % variables
def output_print_filename (self, basename, snippet):
str = ''
rep = snippet.get_replacements ()
if PRINTFILENAME in snippet.option_dict:
rep['base'] = basename
rep['filename'] = os.path.basename (snippet.filename)
rep['ext'] = snippet.ext
str = self.output[PRINTFILENAME] % rep
return str
def required_files (self, snippet, base, full, required_files):
return []
def required_files_png (self, snippet, base, full, required_files):
# UGH - junk global_options
res = []
if (base + '.eps' in required_files and not snippet.global_options.skip_png_check):
page_count = BookSnippet.ps_page_count (full + '.eps')
if page_count <= 1:
res.append (base + '.png')
else:
for page in range (1, page_count + 1):
res.append (base + '-page%d.png' % page)
return res
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