---------- Forwarded message ----------
From: Ankit Dhankhar <[email protected]>
Date: Sun, Apr 29, 2018 at 12:20 AM
Subject: Re: [ft-devel] Custom search functionality & Python3 compatibility
of 'docmaker'
To: Nikhil Ramakrishnan <[email protected]>
Upon following changes it is working fine but giving more error in cross
references :/.Looking for the reasons but for rest it will work fine.
Ankit
On Sat, Apr 28, 2018 at 8:14 PM, Nikhil Ramakrishnan <
[email protected]> wrote:
> Can you share the steps to reproduce errors, for which it is producing
>> wrong results.
>>
>
> Run `mingw32-make refdoc` (env: Windows, Python 3.6.1)
>
> Error text:
> Traceback (most recent call last):
> File "./src/tools/docmaker/docmaker.py", line 113, in <module>
> main( sys.argv )
> File "./src/tools/docmaker/docmaker.py", line 94, in main
> file_list = make_file_list( args )
> File "F:\Nik\Freetype\Backup\freetype2\src\tools\docmaker\utils.py",
> line 110, in make_file_list
> if string.find( pathname, '*' ) >= 0:
> AttributeError: module 'string' has no attribute 'find'
> builds/freetype.mk:296: recipe for target 'refdoc' failed
> mingw32-make: *** [refdoc] Error 1
>
> Does this work for you on Python3?
>
> --
> Nikhil
>
#
# content.py
#
# Parse comment blocks to build content blocks (library file).
#
# Copyright 2002-2018 by
# David Turner.
#
# This file is part of the FreeType project, and may only be used,
# modified, and distributed under the terms of the FreeType project
# license, LICENSE.TXT. By continuing to use, modify, or distribute
# this file you indicate that you have read the license and
# understand and accept it fully.
#
# This file contains routines to parse documentation comment blocks,
# building more structured objects out of them.
#
from sources import *
from utils import *
import string, re
#
# Regular expressions to detect code sequences. `Code sequences' are simply
# code fragments embedded in '{' and '}', as demonstrated in the following
# example.
#
# {
# x = y + z;
# if ( zookoo == 2 )
# {
# foobar();
# }
# }
#
# Note that the indentation of the first opening brace and the last closing
# brace must be exactly the same. The code sequence itself should have a
# larger indentation than the surrounding braces.
#
re_code_start = re.compile( r"(\s*){\s*$" )
re_code_end = re.compile( r"(\s*)}\s*$" )
#
# A regular expression to isolate identifiers from other text. Two syntax
# forms are supported:
#
# <name>
# <name>[<id>]
#
# where both `<name>' and `<id>' consist of alphanumeric characters, `_',
# and `-'. Use `<id>' if there are multiple, valid `<name>' entries; in the
# index, `<id>' will be appended in parentheses.
#
# For example,
#
# stem_darkening[autofit]
#
# becomes `stem_darkening (autofit)' in the index.
#
re_identifier = re.compile( r"""
((?:\w|-)+
(?:\[(?:\w|-)+\])?)
""", re.VERBOSE )
#
# We collect macro names ending in `_H' (group 1), as defined in
# `freetype/config/ftheader.h'. While outputting the object data, we use
# this info together with the object's file location (group 2) to emit the
# appropriate header file macro and its associated file name before the
# object itself.
#
# Example:
#
# #define FT_FREETYPE_H <freetype.h>
#
re_header_macro = re.compile( r'^#define\s{1,}(\w{1,}_H)\s{1,}<(.*)>' )
################################################################
##
## DOC CODE CLASS
##
## The `DocCode' class is used to store source code lines.
##
## `self.lines' contains a set of source code lines that will be dumped as
## HTML in a <PRE> tag.
##
## The object is filled line by line by the parser; it strips the leading
## `margin' space from each input line before storing it in `self.lines'.
##
class DocCode:
def __init__( self, margin, lines ):
self.lines = []
self.words = None
# remove margin spaces
for l in lines:
if l[:margin].strip() == "":
l = l[margin:]
self.lines.append( l )
def dump( self, prefix = "", width = 60 ):
lines = self.dump_lines( 0, width )
for l in lines:
print( prefix + l )
def dump_lines( self, margin = 0, width = 60 ):
result = []
for l in self.lines:
result.append( " " * margin + l )
return result
################################################################
##
## DOC PARA CLASS
##
## `Normal' text paragraphs are stored in the `DocPara' class.
##
## `self.words' contains the list of words that make up the paragraph.
##
class DocPara:
def __init__( self, lines ):
self.lines = None
self.words = []
for l in lines:
l = l.strip()
self.words.extend( l.split( ) )
def dump( self, prefix = "", width = 60 ):
lines = self.dump_lines( 0, width )
for l in lines:
print( prefix + l )
def dump_lines( self, margin = 0, width = 60 ):
cur = "" # current line
col = 0 # current width
result = []
for word in self.words:
ln = len( word )
if col > 0:
ln = ln + 1
if col + ln > width:
result.append( " " * margin + cur )
cur = word
col = len( word )
else:
if col > 0:
cur = cur + " "
cur = cur + word
col = col + ln
if col > 0:
result.append( " " * margin + cur )
return result
################################################################
##
## DOC FIELD CLASS
##
## The `DocField' class stores a list containing either `DocPara' or
## `DocCode' objects. Each DocField object also has an optional `name'
## that is used when the object corresponds to a field or value definition.
##
class DocField:
def __init__( self, name, lines ):
self.name = name # can be `None' for normal paragraphs/sources
self.items = [] # list of items
mode_none = 0 # start parsing mode
mode_code = 1 # parsing code sequences
mode_para = 3 # parsing normal paragraph
margin = -1 # current code sequence indentation
cur_lines = []
# analyze the markup lines to check whether they contain paragraphs,
# code sequences, or fields definitions
#
start = 0
mode = mode_none
for l in lines:
# are we parsing a code sequence?
if mode == mode_code:
m = re_code_end.match( l )
if m and len( m.group( 1 ) ) <= margin:
# that's it, we finished the code sequence
code = DocCode( 0, cur_lines )
self.items.append( code )
margin = -1
cur_lines = []
mode = mode_none
else:
# otherwise continue the code sequence
cur_lines.append( l[margin:] )
else:
# start of code sequence?
m = re_code_start.match( l )
if m:
# save current lines
if cur_lines:
para = DocPara( cur_lines )
self.items.append( para )
cur_lines = []
# switch to code extraction mode
margin = len( m.group( 1 ) )
mode = mode_code
else:
if not l.split() and cur_lines:
# if the line is empty, we end the current paragraph,
# if any
para = DocPara( cur_lines )
self.items.append( para )
cur_lines = []
else:
# otherwise, simply add the line to the current
# paragraph
cur_lines.append( l )
if mode == mode_code:
# unexpected end of code sequence
code = DocCode( margin, cur_lines )
self.items.append( code )
elif cur_lines:
para = DocPara( cur_lines )
self.items.append( para )
def dump( self, prefix = "" ):
if self.field:
print( prefix + self.field + " ::" )
prefix = prefix + "----"
first = 1
for p in self.items:
if not first:
print( "" )
p.dump( prefix )
first = 0
def dump_lines( self, margin = 0, width = 60 ):
result = []
nl = None
for p in self.items:
if nl:
result.append( "" )
result.extend( p.dump_lines( margin, width ) )
nl = 1
return result
#
# A regular expression to detect field definitions.
#
# Examples:
#
# foo ::
# foo.bar ::
#
re_field = re.compile( r"""
\s*
(
\w*
|
\w (\w | \.)* \w
)
\s* ::
""", re.VERBOSE )
################################################################
##
## DOC MARKUP CLASS
##
class DocMarkup:
def __init__( self, tag, lines ):
self.tag = tag.lower()
self.fields = []
cur_lines = []
field = None
mode = 0
for l in lines:
m = re_field.match( l )
if m:
# We detected the start of a new field definition.
# first, save the current one
if cur_lines:
f = DocField( field, cur_lines )
self.fields.append( f )
cur_lines = []
field = None
field = m.group( 1 ) # record field name
ln = len( m.group( 0 ) )
l = " " * ln + l[ln:]
cur_lines = [l]
else:
cur_lines.append( l )
if field or cur_lines:
f = DocField( field, cur_lines )
self.fields.append( f )
def get_name( self ):
try:
return self.fields[0].items[0].words[0]
except:
return None
def dump( self, margin ):
print( " " * margin + "<" + self.tag + ">" )
for f in self.fields:
f.dump( " " )
print( " " * margin + "</" + self.tag + ">" )
################################################################
##
## DOC CHAPTER CLASS
##
class DocChapter:
def __init__( self, block ):
self.block = block
self.sections = []
if block:
self.name = block.name
self.title = block.get_markup_words( "title" )
self.order = block.get_markup_words( "sections" )
else:
self.name = "Other"
self.title = "Miscellaneous".split()
self.order = []
################################################################
##
## DOC SECTION CLASS
##
class DocSection:
def __init__( self, name = "Other" ):
self.name = name
self.blocks = {}
self.block_names = [] # ordered block names in section
self.defs = []
self.abstract = ""
self.description = ""
self.order = []
self.title = "ERROR"
self.chapter = None
def add_def( self, block ):
self.defs.append( block )
def add_block( self, block ):
self.block_names.append( block.name )
self.blocks[block.name] = block
def process( self ):
# look up one block that contains a valid section description
for block in self.defs:
title = block.get_markup_text( "title" )
if title:
self.title = title
self.abstract = block.get_markup_words( "abstract" )
self.description = block.get_markup_items( "description" )
self.order = block.get_markup_words_all( "order" )
return
def reorder( self ):
self.block_names = sort_order_list( self.block_names, self.order )
################################################################
##
## CONTENT PROCESSOR CLASS
##
class ContentProcessor:
def __init__( self ):
"""Initialize a block content processor."""
self.reset()
self.sections = {} # dictionary of documentation sections
self.section = None # current documentation section
self.chapters = [] # list of chapters
self.headers = {} # dictionary of header macros
def set_section( self, section_name ):
"""Set current section during parsing."""
if not section_name in self.sections:
section = DocSection( section_name )
self.sections[section_name] = section
self.section = section
else:
self.section = self.sections[section_name]
def add_chapter( self, block ):
chapter = DocChapter( block )
self.chapters.append( chapter )
def reset( self ):
"""Reset the content processor for a new block."""
self.markups = []
self.markup = None
self.markup_lines = []
def add_markup( self ):
"""Add a new markup section."""
if self.markup and self.markup_lines:
# get rid of last line of markup if it's empty
marks = self.markup_lines
if len( marks ) > 0 and not marks[-1].strip():
self.markup_lines = marks[:-1]
m = DocMarkup( self.markup, self.markup_lines )
self.markups.append( m )
self.markup = None
self.markup_lines = []
def process_content( self, content ):
"""Process a block content and return a list of DocMarkup objects
corresponding to it."""
markup = None
markup_lines = []
first = 1
margin = -1
in_code = 0
for line in content:
if in_code:
m = re_code_end.match( line )
if m and len( m.group( 1 ) ) <= margin:
in_code = 0
margin = -1
else:
m = re_code_start.match( line )
if m:
in_code = 1
margin = len( m.group( 1 ) )
found = None
if not in_code:
for t in re_markup_tags:
m = t.match( line )
if m:
found = m.group( 1 ).lower()
prefix = len( m.group( 0 ) )
# remove markup from line
line = " " * prefix + line[prefix:]
break
# is it the start of a new markup section ?
if found:
first = 0
self.add_markup() # add current markup content
self.markup = found
if len( line.strip() ) > 0:
self.markup_lines.append( line )
elif first == 0:
self.markup_lines.append( line )
self.add_markup()
return self.markups
def parse_sources( self, source_processor ):
blocks = source_processor.blocks
count = len( blocks )
for n in range( count ):
source = blocks[n]
if source.content:
# this is a documentation comment, we need to catch
# all following normal blocks in the "follow" list
#
follow = []
m = n + 1
while m < count and not blocks[m].content:
follow.append( blocks[m] )
m = m + 1
doc_block = DocBlock( source, follow, self )
def finish( self ):
# process all sections to extract their abstract, description
# and ordered list of items
#
for sec in self.sections.values():
sec.process()
# process chapters to check that all sections are correctly
# listed there
for chap in self.chapters:
for sec in chap.order:
if sec in self.sections:
section = self.sections[sec]
section.chapter = chap
section.reorder()
chap.sections.append( section )
else:
sys.stderr.write( "WARNING: chapter '" + \
chap.name + "' in " + chap.block.location() + \
" lists unknown section '" + sec + "'\n" )
# check that all sections are in a chapter
#
others = []
for sec in self.sections.values():
if not sec.chapter:
sec.reorder()
others.append( sec )
# create a new special chapter for all remaining sections
# when necessary
#
if others:
chap = DocChapter( None )
chap.sections = others
self.chapters.append( chap )
################################################################
##
## DOC BLOCK CLASS
##
class DocBlock:
def __init__( self, source, follow, processor ):
processor.reset()
self.source = source
self.code = []
self.type = "ERRTYPE"
self.name = "ERRNAME"
self.section = processor.section
self.markups = processor.process_content( source.content )
# compute block type from first markup tag
try:
self.type = self.markups[0].tag
except:
pass
# compute block name from first markup paragraph
try:
markup = self.markups[0]
para = markup.fields[0].items[0]
name = para.words[0]
m = re_identifier.match( name )
if m:
name = m.group( 1 )
self.name = name
except:
pass
if self.type == "section":
# detect new section starts
processor.set_section( self.name )
processor.section.add_def( self )
elif self.type == "chapter":
# detect new chapter
processor.add_chapter( self )
else:
processor.section.add_block( self )
# now, compute the source lines relevant to this documentation
# block. We keep normal comments in for obvious reasons (??)
source = []
for b in follow:
if b.format:
break
for l in b.lines:
# collect header macro definitions
m = re_header_macro.match( l )
if m:
processor.headers[m.group( 2 )] = m.group( 1 );
# we use "/* */" as a separator
if re_source_sep.match( l ):
break
source.append( l )
# now strip the leading and trailing empty lines from the sources
start = 0
end = len( source ) - 1
while start < end and not source[start].strip():
start = start + 1
while start < end and not source[end].strip():
end = end - 1
if start == end and not source[start].strip():
self.code = []
else:
self.code = source[start:end + 1]
def location( self ):
return self.source.location()
def get_markup( self, tag_name ):
"""Return the DocMarkup corresponding to a given tag in a block."""
for m in self.markups:
if m.tag == string.lower( tag_name ):
return m
return None
def get_markup_words( self, tag_name ):
try:
m = self.get_markup( tag_name )
return m.fields[0].items[0].words
except:
return []
def get_markup_words_all( self, tag_name ):
try:
m = self.get_markup( tag_name )
words = []
for item in m.fields[0].items:
# We honour empty lines in an `<Order>' section element by
# adding the sentinel `/empty/'. The formatter should then
# convert it to an appropriate representation in the
# `section_enter' function.
words += item.words
words.append( "/empty/" )
return words
except:
return []
def get_markup_text( self, tag_name ):
result = self.get_markup_words( tag_name )
return " ".join( result )
def get_markup_items( self, tag_name ):
try:
m = self.get_markup( tag_name )
return m.fields[0].items
except:
return None
# eof
#
# formatter.py
#
# Convert parsed content blocks to a structured document (library file).
#
# Copyright 2002-2018 by
# David Turner.
#
# This file is part of the FreeType project, and may only be used,
# modified, and distributed under the terms of the FreeType project
# license, LICENSE.TXT. By continuing to use, modify, or distribute
# this file you indicate that you have read the license and
# understand and accept it fully.
#
# This is the base Formatter class. Its purpose is to convert a content
# processor's data into specific documents (i.e., table of contents, global
# index, and individual API reference indices).
#
# You need to sub-class it to output anything sensible. For example, the
# file `tohtml.py' contains the definition of the `HtmlFormatter' sub-class
# to output HTML.
#
from sources import *
from content import *
from utils import *
################################################################
##
## FORMATTER CLASS
##
class Formatter:
def __init__( self, processor ):
self.processor = processor
self.identifiers = {}
self.chapters = processor.chapters
self.sections = processor.sections.values()
self.block_index = []
# store all blocks in a dictionary
self.blocks = []
for section in self.sections:
for block in section.blocks.values():
self.add_identifier( block.name, block )
# add enumeration values to the index, since this is useful
for markup in block.markups:
if markup.tag == 'values':
for field in markup.fields:
self.add_identifier( field.name, block )
self.block_index = list(self.identifiers.keys())
self.block_index.sort( key = index_key )
# also add section names to dictionary (without making them appear
# in the index)
for section in self.sections:
self.add_identifier( section.name, section )
def add_identifier( self, name, block ):
if name in self.identifiers:
# duplicate name!
sys.stderr.write( "WARNING: duplicate definition for"
+ " '" + name + "' "
+ "in " + block.location() + ", "
+ "previous definition in "
+ self.identifiers[name].location()
+ "\n" )
else:
self.identifiers[name] = block
#
# formatting the table of contents
#
def toc_enter( self ):
pass
def toc_chapter_enter( self, chapter ):
pass
def toc_section_enter( self, section ):
pass
def toc_section_exit( self, section ):
pass
def toc_chapter_exit( self, chapter ):
pass
def toc_index( self, index_filename ):
pass
def toc_exit( self ):
pass
def toc_dump( self, toc_filename = None, index_filename = None ):
output = None
if toc_filename:
output = open_output( toc_filename )
self.toc_enter()
for chap in self.processor.chapters:
self.toc_chapter_enter( chap )
for section in chap.sections:
self.toc_section_enter( section )
self.toc_section_exit( section )
self.toc_chapter_exit( chap )
self.toc_index( index_filename )
self.toc_exit()
if output:
close_output( output )
#
# formatting the index
#
def index_enter( self ):
pass
def index_name_enter( self, name ):
pass
def index_name_exit( self, name ):
pass
def index_exit( self ):
pass
def index_dump( self, index_filename = None ):
output = None
if index_filename:
output = open_output( index_filename )
self.index_enter()
for name in self.block_index:
self.index_name_enter( name )
self.index_name_exit( name )
self.index_exit()
if output:
close_output( output )
#
# formatting a section
#
def section_enter( self, section ):
pass
def block_enter( self, block ):
pass
def markup_enter( self, markup, block = None ):
pass
def field_enter( self, field, markup = None, block = None ):
pass
def field_exit( self, field, markup = None, block = None ):
pass
def markup_exit( self, markup, block = None ):
pass
def block_exit( self, block ):
pass
def section_exit( self, section ):
pass
def section_dump( self, section, section_filename = None ):
output = None
if section_filename:
output = open_output( section_filename )
self.section_enter( section )
for name in section.block_names:
skip_entry = 0
try:
block = self.identifiers[name]
# `block_names' can contain field names also,
# which we filter out
for markup in block.markups:
if markup.tag == 'values':
for field in markup.fields:
if field.name == name:
skip_entry = 1
except:
skip_entry = 1 # this happens e.g. for `/empty/' entries
if skip_entry:
continue
self.block_enter( block )
for markup in block.markups[1:]: # always ignore first markup!
self.markup_enter( markup, block )
for field in markup.fields:
self.field_enter( field, markup, block )
self.field_exit( field, markup, block )
self.markup_exit( markup, block )
self.block_exit( block )
self.section_exit( section )
if output:
close_output( output )
def section_dump_all( self ):
for section in self.sections:
self.section_dump( section )
# eof
#
# sources.py
#
# Convert source code comments to multi-line blocks (library file).
#
# Copyright 2002-2018 by
# David Turner.
#
# This file is part of the FreeType project, and may only be used,
# modified, and distributed under the terms of the FreeType project
# license, LICENSE.TXT. By continuing to use, modify, or distribute
# this file you indicate that you have read the license and
# understand and accept it fully.
#
# This library file contains definitions of classes needed to decompose C
# source code files into a series of multi-line `blocks'. There are two
# kinds of blocks.
#
# - Normal blocks, which contain source code or ordinary comments.
#
# - Documentation blocks, which have restricted formatting, and whose text
# always start with a documentation markup tag like `<Function>',
# `<Type>', etc.
#
# The routines to process the content of documentation blocks are contained
# in file `content.py'; the classes and methods found here only deal with
# text parsing and basic documentation block extraction.
#
import fileinput, re, string
################################################################
##
## SOURCE BLOCK FORMAT CLASS
##
## A simple class containing compiled regular expressions to detect
## potential documentation format block comments within C source code.
##
## The `column' pattern must contain a group to `unbox' the content of
## documentation comment blocks.
##
## Later on, paragraphs are converted to long lines, which simplifies the
## regular expressions that act upon the text.
##
class SourceBlockFormat:
def __init__( self, id, start, column, end ):
"""Create a block pattern, used to recognize special documentation
blocks."""
self.id = id
self.start = re.compile( start, re.VERBOSE )
self.column = re.compile( column, re.VERBOSE )
self.end = re.compile( end, re.VERBOSE )
#
# Format 1 documentation comment blocks.
#
# /************************************/ (at least 2 asterisks)
# /* */
# /* */
# /* */
# /************************************/ (at least 2 asterisks)
#
start = r'''
\s* # any number of whitespace
/\*{2,}/ # followed by '/' and at least two asterisks then '/'
\s*$ # probably followed by whitespace
'''
column = r'''
\s* # any number of whitespace
/\*{1} # followed by '/' and precisely one asterisk
([^*].*) # followed by anything (group 1)
\*{1}/ # followed by one asterisk and a '/'
\s*$ # probably followed by whitespace
'''
re_source_block_format1 = SourceBlockFormat( 1, start, column, start )
#
# Format 2 documentation comment blocks.
#
# /************************************ (at least 2 asterisks)
# *
# * (1 asterisk)
# *
# */ (1 or more asterisks)
#
start = r'''
\s* # any number of whitespace
/\*{2,} # followed by '/' and at least two asterisks
\s*$ # probably followed by whitespace
'''
column = r'''
\s* # any number of whitespace
\*{1}(?![*/]) # followed by precisely one asterisk not followed by `/'
(.*) # then anything (group1)
'''
end = r'''
\s* # any number of whitespace
\*+/ # followed by at least one asterisk, then '/'
'''
re_source_block_format2 = SourceBlockFormat( 2, start, column, end )
#
# The list of supported documentation block formats. We could add new ones
# quite easily.
#
re_source_block_formats = [re_source_block_format1, re_source_block_format2]
#
# The following regular expressions correspond to markup tags within the
# documentation comment blocks. They are equivalent despite their different
# syntax.
#
# A markup tag consists of letters or character `-', to be found in group 1.
#
# Notice that a markup tag _must_ begin a new paragraph.
#
re_markup_tag1 = re.compile( r'''\s*<((?:\w|-)*)>''' ) # <xxxx> format
re_markup_tag2 = re.compile( r'''\s*@((?:\w|-)*):''' ) # @xxxx: format
#
# The list of supported markup tags. We could add new ones quite easily.
#
re_markup_tags = [re_markup_tag1, re_markup_tag2]
#
# A regular expression to detect a cross reference, after markup tags have
# been stripped off.
#
# Two syntax forms are supported:
#
# @<name>
# @<name>[<id>]
#
# where both `<name>' and `<id>' consist of alphanumeric characters, `_',
# and `-'. Use `<id>' if there are multiple, valid `<name>' entries.
#
# Example: @foo[bar]
#
re_crossref = re.compile( r"""
@
(?P<name>(?:\w|-)+
(?:\[(?:\w|-)+\])?)
(?P<rest>.*)
""", re.VERBOSE )
#
# Two regular expressions to detect italic and bold markup, respectively.
# Group 1 is the markup, group 2 the rest of the line.
#
# Note that the markup is limited to words consisting of letters, digits,
# the characters `_' and `-', or an apostrophe (but not as the first
# character).
#
re_italic = re.compile( r"_((?:\w|-)(?:\w|'|-)*)_(.*)" ) # _italic_
re_bold = re.compile( r"\*((?:\w|-)(?:\w|'|-)*)\*(.*)" ) # *bold*
#
# This regular expression code to identify an URL has been taken from
#
# https://mail.python.org/pipermail/tutor/2002-September/017228.html
#
# (with slight modifications).
#
urls = r'(?:https?|telnet|gopher|file|wais|ftp)'
ltrs = r'\w'
gunk = r'/#~:.?+=&%@!\-'
punc = r'.:?\-'
any = "%(ltrs)s%(gunk)s%(punc)s" % { 'ltrs' : ltrs,
'gunk' : gunk,
'punc' : punc }
url = r"""
(
\b # start at word boundary
%(urls)s : # need resource and a colon
[%(any)s] +? # followed by one or more of any valid
# character, but be conservative and
# take only what you need to...
(?= # [look-ahead non-consumptive assertion]
[%(punc)s]* # either 0 or more punctuation
(?: # [non-grouping parentheses]
[^%(any)s] | $ # followed by a non-url char
# or end of the string
)
)
)
""" % {'urls' : urls,
'any' : any,
'punc' : punc }
re_url = re.compile( url, re.VERBOSE | re.MULTILINE )
#
# A regular expression that stops collection of comments for the current
# block.
#
re_source_sep = re.compile( r'\s*/\*\s*\*/' ) # /* */
#
# A regular expression to find possible C identifiers while outputting
# source code verbatim, covering things like `*foo' or `(bar'. Group 1 is
# the prefix, group 2 the identifier -- since we scan lines from left to
# right, sequentially splitting the source code into prefix and identifier
# is fully sufficient for our purposes.
#
re_source_crossref = re.compile( r'(\W*)(\w*)' )
#
# A regular expression that matches a list of reserved C source keywords.
#
re_source_keywords = re.compile( '''\\b ( typedef |
struct |
enum |
union |
const |
char |
int |
short |
long |
void |
signed |
unsigned |
\#include |
\#define |
\#undef |
\#if |
\#ifdef |
\#ifndef |
\#else |
\#endif ) \\b''', re.VERBOSE )
################################################################
##
## SOURCE BLOCK CLASS
##
## There are two important fields in a `SourceBlock' object.
##
## self.lines
## A list of text lines for the corresponding block.
##
## self.content
## For documentation comment blocks only, this is the block content
## that has been `unboxed' from its decoration. This is `None' for all
## other blocks (i.e., sources or ordinary comments with no starting
## markup tag)
##
class SourceBlock:
def __init__( self, processor, filename, lineno, lines ):
self.processor = processor
self.filename = filename
self.lineno = lineno
self.lines = lines[:]
self.format = processor.format
self.content = []
if self.format == None:
return
words = []
# extract comment lines
lines = []
for line0 in self.lines:
m = self.format.column.match( line0 )
if m:
lines.append( m.group( 1 ) )
# now, look for a markup tag
for l in lines:
l = l.strip()
if len( l ) > 0:
for tag in re_markup_tags:
if tag.match( l ):
self.content = lines
return
def location( self ):
return "(" + self.filename + ":" + repr( self.lineno ) + ")"
# debugging only -- not used in normal operations
def dump( self ):
if self.content:
print( "{{{content start---" )
for l in self.content:
print( l )
print( "---content end}}}" )
return
fmt = ""
if self.format:
fmt = repr( self.format.id ) + " "
for line in self.lines:
print( line )
################################################################
##
## SOURCE PROCESSOR CLASS
##
## The `SourceProcessor' is in charge of reading a C source file and
## decomposing it into a series of different `SourceBlock' objects.
##
## A SourceBlock object consists of the following data.
##
## - A documentation comment block using one of the layouts above. Its
## exact format will be discussed later.
##
## - Normal sources lines, including comments.
##
##
class SourceProcessor:
def __init__( self ):
"""Initialize a source processor."""
self.blocks = []
self.filename = None
self.format = None
self.lines = []
def reset( self ):
"""Reset a block processor and clean up all its blocks."""
self.blocks = []
self.format = None
def parse_file( self, filename ):
"""Parse a C source file and add its blocks to the processor's
list."""
self.reset()
self.filename = filename
fileinput.close()
self.format = None
self.lineno = 0
self.lines = []
for line in fileinput.input( filename ):
# strip trailing newlines, important on Windows machines!
if line[-1] == '\012':
line = line[0:-1]
if self.format == None:
self.process_normal_line( line )
else:
if self.format.end.match( line ):
# A normal block end. Add it to `lines' and create a
# new block
self.lines.append( line )
self.add_block_lines()
elif self.format.column.match( line ):
# A normal column line. Add it to `lines'.
self.lines.append( line )
else:
# An unexpected block end. Create a new block, but
# don't process the line.
self.add_block_lines()
# we need to process the line again
self.process_normal_line( line )
# record the last lines
self.add_block_lines()
def process_normal_line( self, line ):
"""Process a normal line and check whether it is the start of a new
block."""
for f in re_source_block_formats:
if f.start.match( line ):
self.add_block_lines()
self.format = f
self.lineno = fileinput.filelineno()
self.lines.append( line )
def add_block_lines( self ):
"""Add the current accumulated lines and create a new block."""
if self.lines != []:
block = SourceBlock( self,
self.filename,
self.lineno,
self.lines )
self.blocks.append( block )
self.format = None
self.lines = []
# debugging only, not used in normal operations
def dump( self ):
"""Print all blocks in a processor."""
for b in self.blocks:
b.dump()
# eof
#
# tohtml.py
#
# A sub-class container of the `Formatter' class to produce HTML.
#
# Copyright 2002-2018 by
# David Turner.
#
# This file is part of the FreeType project, and may only be used,
# modified, and distributed under the terms of the FreeType project
# license, LICENSE.TXT. By continuing to use, modify, or distribute
# this file you indicate that you have read the license and
# understand and accept it fully.
# The parent class is contained in file `formatter.py'.
from sources import *
from content import *
from formatter import *
import time
# The following strings define the HTML header used by all generated pages.
html_header_1 = """\
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"https://www.w3.org/TR/html4/loose.dtd";>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>\
"""
html_header_2 = """\
API Reference</title>
<style type="text/css">
a:link { color: #0000EF; }
a:visited { color: #51188E; }
a:hover { color: #FF0000; }
body { font-family: Verdana, Geneva, Arial, Helvetica, serif;
color: #000000;
background: #FFFFFF;
width: 87%;
margin: auto; }
div.section { width: 75%;
margin: auto; }
div.section hr { margin: 4ex 0 1ex 0; }
div.section h4 { background-color: #EEEEFF;
font-size: medium;
font-style: oblique;
font-weight: bold;
margin: 3ex 0 1.5ex 9%;
padding: 0.3ex 0 0.3ex 1%; }
div.section p { margin: 1.5ex 0 1.5ex 10%; }
div.section pre { margin: 3ex 0 3ex 9%;
background-color: #D6E8FF;
padding: 2ex 0 2ex 1%; }
div.section table.fields { width: 90%;
margin: 1.5ex 0 1.5ex 10%; }
div.section table.toc { width: 95%;
margin: 1.5ex 0 1.5ex 5%; }
div.timestamp { text-align: center;
font-size: 69%;
margin: 1.5ex 0 1.5ex 0; }
h1 { text-align: center; }
h3 { font-size: medium;
margin: 4ex 0 1.5ex 0; }
p { text-align: justify; }
pre.colored { color: blue; }
span.keyword { font-family: monospace;
text-align: left;
white-space: pre;
color: darkblue; }
table.fields td.val { font-weight: bold;
text-align: right;
width: 30%;
vertical-align: baseline;
padding: 1ex 1em 1ex 0; }
table.fields td.desc { vertical-align: baseline;
padding: 1ex 0 1ex 1em; }
table.fields td.desc p:first-child { margin: 0; }
table.fields td.desc p { margin: 1.5ex 0 0 0; }
table.index { margin: 6ex auto 6ex auto;
border: 0;
border-collapse: separate;
border-spacing: 1em 0.3ex; }
table.index tr { padding: 0; }
table.index td { padding: 0; }
table.index-toc-link { width: 100%;
border: 0;
border-spacing: 0;
margin: 1ex 0 1ex 0; }
table.index-toc-link td.left { padding: 0 0.5em 0 0.5em;
font-size: 83%;
text-align: left; }
table.index-toc-link td.middle { padding: 0 0.5em 0 0.5em;
font-size: 83%;
text-align: center; }
table.index-toc-link td.right { padding: 0 0.5em 0 0.5em;
font-size: 83%;
text-align: right; }
table.synopsis { margin: 6ex auto 6ex auto;
border: 0;
border-collapse: separate;
border-spacing: 2em 0.6ex; }
table.synopsis tr { padding: 0; }
table.synopsis td { padding: 0; }
table.toc td.link { width: 30%;
text-align: right;
vertical-align: baseline;
padding: 1ex 1em 1ex 0; }
table.toc td.desc { vertical-align: baseline;
padding: 1ex 0 1ex 1em;
text-align: left; }
table.toc td.desc p:first-child { margin: 0;
text-align: left; }
table.toc td.desc p { margin: 1.5ex 0 0 0;
text-align: left; }
</style>
</head>
<body>
"""
html_header_3l = """
<table class="index-toc-link"><tr><td class="left">[<a href="\
"""
html_header_3r = """
<table class="index-toc-link"><tr><td class="right">[<a href="\
"""
html_header_4 = """\
">Index</a>]</td><td class="right">[<a href="\
"""
html_header_5t = """\
">TOC</a>]</td></tr></table>
<h1>\
"""
html_header_5i = """\
">Index</a>]</td></tr></table>
<h1>\
"""
html_header_6 = """\
API Reference</h1>
"""
# The HTML footer used by all generated pages.
html_footer = """\
</body>
</html>\
"""
# The header and footer used for each section.
section_title_header1 = '<h1 id="'
section_title_header2 = '">'
section_title_footer = "</h1>"
# The header and footer used for code segments.
code_header = '<pre class="colored">'
code_footer = '</pre>'
# Paragraph header and footer.
para_header = "<p>"
para_footer = "</p>"
# Block header and footer.
block_header = '<div class="section">'
block_footer_start = """\
<hr>
<table class="index-toc-link"><tr><td class="left">[<a href="\
"""
block_footer_middle = """\
">Index</a>]</td>\
<td class="middle">[<a href="#">Top</a>]</td>\
<td class="right">[<a href="\
"""
block_footer_end = """\
">TOC</a>]</td></tr></table></div>
"""
# Description header/footer.
description_header = ""
description_footer = ""
# Marker header/inter/footer combination.
marker_header = "<h4>"
marker_inter = "</h4>"
marker_footer = ""
# Header location header/footer.
header_location_header = "<p>"
header_location_footer = "</p>"
# Source code extracts header/footer.
source_header = "<pre>"
source_footer = "</pre>"
# Chapter header/inter/footer.
chapter_header = """\
<div class="section">
<h2>\
"""
chapter_inter = '</h2>'
chapter_footer = '</div>'
# Index footer.
index_footer_start = """\
<hr>
<table class="index-toc-link"><tr><td class="right">[<a href="\
"""
index_footer_end = """\
">TOC</a>]</td></tr></table>
"""
# TOC footer.
toc_footer_start = """\
<hr>
<table class="index-toc-link"><tr><td class="left">[<a href="\
"""
toc_footer_end = """\
">Index</a>]</td></tr></table>
"""
# Source language keyword coloration and styling.
keyword_prefix = '<span class="keyword">'
keyword_suffix = '</span>'
section_synopsis_header = '<h2>Synopsis</h2>'
section_synopsis_footer = ''
# Translate a single line of source to HTML. This converts `<', `>', and
# `&' into `<',`>', and `&'.
#
def html_quote( line ):
result = line.replace( "&", "&" )
result = result.replace( "<", "<" )
result = result.replace( ">", ">" )
return result
################################################################
##
## HTML FORMATTER CLASS
##
class HtmlFormatter( Formatter ):
def __init__( self, processor, project_title, file_prefix ):
Formatter.__init__( self, processor )
global html_header_1
global html_header_2
global html_header_3l, html_header_3r
global html_header_4
global html_header_5t, html_header_5i
global html_header_6
global html_footer
if file_prefix:
file_prefix = file_prefix + "-"
else:
file_prefix = ""
self.headers = processor.headers
self.project_title = project_title
self.file_prefix = file_prefix
self.html_header = (
html_header_1 + project_title
+ html_header_2
+ html_header_3l + file_prefix + "index.html"
+ html_header_4 + file_prefix + "toc.html"
+ html_header_5t + project_title
+ html_header_6 )
self.html_index_header = (
html_header_1 + project_title
+ html_header_2
+ html_header_3r + file_prefix + "toc.html"
+ html_header_5t + project_title
+ html_header_6 )
self.html_toc_header = (
html_header_1 + project_title
+ html_header_2
+ html_header_3l + file_prefix + "index.html"
+ html_header_5i + project_title
+ html_header_6 )
self.html_footer = (
'<div class="timestamp">generated on '
+ time.asctime( time.localtime( time.time() ) )
+ "</div>" + html_footer )
self.columns = 3
def make_section_url( self, section ):
return self.file_prefix + section.name + ".html"
def make_block_url( self, block, name = None ):
if name == None:
name = block.name
try:
section_url = self.make_section_url( block.section )
except:
# we already have a section
section_url = self.make_section_url( block )
return section_url + "#" + name
def make_html_word( self, word ):
"""Analyze a simple word to detect cross-references and markup."""
# handle cross-references
m = re_crossref.match( word )
if m:
try:
name = m.group( 'name' )
rest = m.group( 'rest' )
block = self.identifiers[name]
url = self.make_block_url( block )
# display `foo[bar]' as `foo'
name = re.sub( r'\[.*\]', '', name )
# normalize url, following RFC 3986
url = string.replace( url, "[", "(" )
url = string.replace( url, "]", ")" )
try:
# for sections, display title
url = ( '‘<a href="' + url + '">'
+ block.title + '</a>’'
+ rest )
except:
url = ( '<a href="' + url + '">'
+ name + '</a>'
+ rest )
return url
except:
# we detected a cross-reference to an unknown item
sys.stderr.write( "WARNING: undefined cross reference"
+ " '" + name + "'.\n" )
return '?' + name + '?' + rest
# handle markup for italic and bold
m = re_italic.match( word )
if m:
name = m.group( 1 )
rest = m.group( 2 )
return '<i>' + name + '</i>' + rest
m = re_bold.match( word )
if m:
name = m.group( 1 )
rest = m.group( 2 )
return '<b>' + name + '</b>' + rest
return html_quote( word )
def make_html_para( self, words ):
"""Convert words of a paragraph into tagged HTML text. Also handle
cross references."""
line = ""
if words:
line = self.make_html_word( words[0] )
for word in words[1:]:
line = line + " " + self.make_html_word( word )
# handle hyperlinks
line = re_url.sub( r'<a href="\1">\1</a>', line )
# convert `...' quotations into real left and right single quotes
line = re.sub( r"(^|\W)`(.*?)'(\W|$)",
r'\1‘\2’\3',
line )
# convert tilde into non-breakable space
line = line.replace( "~", " " )
return para_header + line + para_footer
def make_html_code( self, lines ):
"""Convert a code sequence to HTML."""
line = code_header + '\n'
for l in lines:
line = line + html_quote( l ).rstrip() + '\n'
return line + code_footer
def make_html_items( self, items ):
"""Convert a field's content into HTML."""
lines = []
for item in items:
if item.lines:
lines.append( self.make_html_code( item.lines ) )
else:
lines.append( self.make_html_para( item.words ) )
return '\n'.join( lines )
def print_html_items( self, items ):
print( self.make_html_items( items ) )
def print_html_field( self, field ):
if field.name:
print( '<table><tr valign="top"><td><b>'
+ field.name
+ "</b></td><td>" )
print( self.make_html_items( field.items ) )
if field.name:
print( "</td></tr></table>" )
def html_source_quote( self, line, block_name = None ):
result = ""
while line:
m = re_source_crossref.match( line )
if m:
name = m.group( 2 )
prefix = html_quote( m.group( 1 ) )
length = len( m.group( 0 ) )
if name == block_name:
# this is the current block name, if any
result = result + prefix + '<b>' + name + '</b>'
elif re_source_keywords.match( name ):
# this is a C keyword
result = ( result + prefix
+ keyword_prefix + name + keyword_suffix )
elif name in self.identifiers:
# this is a known identifier
block = self.identifiers[name]
id = block.name
# link to a field ID if possible
try:
for markup in block.markups:
if markup.tag == 'values':
for field in markup.fields:
if field.name:
id = name
result = ( result + prefix
+ '<a href="'
+ self.make_block_url( block, id )
+ '">' + name + '</a>' )
except:
# sections don't have `markups'; however, we don't
# want references to sections here anyway
result = result + html_quote( line[:length] )
else:
result = result + html_quote( line[:length] )
line = line[length:]
else:
result = result + html_quote( line )
line = []
return result
def print_html_field_list( self, fields ):
print( '<table class="fields">' )
for field in fields:
print( '<tr><td class="val" id="' + field.name + '">'
+ field.name
+ '</td><td class="desc">' )
self.print_html_items( field.items )
print( "</td></tr>" )
print( "</table>" )
def print_html_markup( self, markup ):
table_fields = []
for field in markup.fields:
if field.name:
# We begin a new series of field or value definitions. We
# record them in the `table_fields' list before outputting
# all of them as a single table.
table_fields.append( field )
else:
if table_fields:
self.print_html_field_list( table_fields )
table_fields = []
self.print_html_items( field.items )
if table_fields:
self.print_html_field_list( table_fields )
#
# formatting the index
#
def index_enter( self ):
print( self.html_index_header )
self.index_items = {}
def index_name_enter( self, name ):
block = self.identifiers[name]
url = self.make_block_url( block )
self.index_items[name] = url
def index_exit( self ):
# `block_index' already contains the sorted list of index names
count = len( self.block_index )
rows = ( count + self.columns - 1 ) // self.columns
print( '<table class="index">' )
for r in range( rows ):
line = "<tr>"
for c in range( self.columns ):
i = r + c * rows
if i < count:
bname = self.block_index[r + c * rows]
url = self.index_items[bname]
# display `foo[bar]' as `foo (bar)'
bname = bname.replace( "[", " (" )
bname = bname.replace( "]", ")" )
# normalize url, following RFC 3986
url = url.replace( "[", "(" )
url = url.replace( "]", ")" )
line = ( line + '<td><a href="' + url + '">'
+ bname + '</a></td>' )
else:
line = line + '<td></td>'
line = line + "</tr>"
print( line )
print( "</table>" )
print( index_footer_start
+ self.file_prefix + "toc.html"
+ index_footer_end )
print( self.html_footer )
self.index_items = {}
def index_dump( self, index_filename = None ):
if index_filename == None:
index_filename = self.file_prefix + "index.html"
Formatter.index_dump( self, index_filename )
#
# formatting the table of contents
#
def toc_enter( self ):
print( self.html_toc_header )
print( "<h1>Table of Contents</h1>" )
def toc_chapter_enter( self, chapter ):
print( chapter_header + " ".join( chapter.title ) + chapter_inter )
print( '<table class="toc">' )
def toc_section_enter( self, section ):
print( '<tr><td class="link">'
+ '<a href="' + self.make_section_url( section ) + '">'
+ section.title + '</a></td><td class="desc">' )
print( self.make_html_para( section.abstract ) )
def toc_section_exit( self, section ):
print( "</td></tr>" )
def toc_chapter_exit( self, chapter ):
print( "</table>" )
print( chapter_footer )
def toc_index( self, index_filename ):
print( chapter_header
+ '<a href="' + index_filename + '">Global Index</a>'
+ chapter_inter + chapter_footer )
def toc_exit( self ):
print( toc_footer_start
+ self.file_prefix + "index.html"
+ toc_footer_end )
print( self.html_footer )
def toc_dump( self, toc_filename = None, index_filename = None ):
if toc_filename == None:
toc_filename = self.file_prefix + "toc.html"
if index_filename == None:
index_filename = self.file_prefix + "index.html"
Formatter.toc_dump( self, toc_filename, index_filename )
#
# formatting sections
#
def section_enter( self, section ):
print( self.html_header )
print( section_title_header1 + section.name + section_title_header2
+ section.title
+ section_title_footer )
maxwidth = 0
for b in section.blocks.values():
if len( b.name ) > maxwidth:
maxwidth = len( b.name )
width = 70 # XXX magic number
if maxwidth > 0:
# print section synopsis
print( section_synopsis_header )
print( '<table class="synopsis">' )
columns = width // maxwidth
if columns < 1:
columns = 1
count = len( section.block_names )
# don't handle last entry if it is empty
if section.block_names[-1] == "/empty/":
count -= 1
rows = ( count + columns - 1 ) // columns
for r in range( rows ):
line = "<tr>"
for c in range( columns ):
i = r + c * rows
line = line + '<td>'
if i < count:
name = section.block_names[i]
if name == "/empty/":
# it can happen that a complete row is empty, and
# without a proper `filler' the browser might
# collapse the row to a much smaller height (or
# even omit it completely)
line = line + " "
else:
url = name
# display `foo[bar]' as `foo'
name = re.sub( r'\[.*\]', '', name )
# normalize url, following RFC 3986
url = url.replace( "[", "(" )
url = url.replace( "]", ")" )
line = ( line + '<a href="#' + url + '">'
+ name + '</a>' )
line = line + '</td>'
line = line + "</tr>"
print( line )
print( "</table>" )
print( section_synopsis_footer )
print( description_header )
print( self.make_html_items( section.description ) )
print( description_footer )
def block_enter( self, block ):
print( block_header )
# place html anchor if needed
if block.name:
url = block.name
# display `foo[bar]' as `foo'
name = re.sub( r'\[.*\]', '', block.name )
# normalize url, following RFC 3986
url = url.replace( "[", "(" )
url = url.replace( "]", ")" )
print( '<h3 id="' + url + '">' + name + '</h3>' )
# dump the block C source lines now
if block.code:
header = ''
for f in self.headers.keys():
if block.source.filename.find( f ) >= 0:
header = self.headers[f] + ' (' + f + ')'
break
# if not header:
# sys.stderr.write(
# "WARNING: No header macro for"
# + " '" + block.source.filename + "'.\n" )
if header:
print( header_location_header
+ 'Defined in ' + header + '.'
+ header_location_footer )
print( source_header )
for l in block.code:
print( self.html_source_quote( l, block.name ) )
print( source_footer )
def markup_enter( self, markup, block ):
if markup.tag == "description":
print( description_header )
else:
print( marker_header + markup.tag + marker_inter )
self.print_html_markup( markup )
def markup_exit( self, markup, block ):
if markup.tag == "description":
print( description_footer )
else:
print( marker_footer )
def block_exit( self, block ):
print( block_footer_start + self.file_prefix + "index.html"
+ block_footer_middle + self.file_prefix + "toc.html"
+ block_footer_end )
def section_exit( self, section ):
print( html_footer )
def section_dump_all( self ):
for section in self.sections:
self.section_dump( section,
self.file_prefix + section.name + '.html' )
# eof
#
# utils.py
#
# Auxiliary functions for the `docmaker' tool (library file).
#
# Copyright 2002-2018 by
# David Turner.
#
# This file is part of the FreeType project, and may only be used,
# modified, and distributed under the terms of the FreeType project
# license, LICENSE.TXT. By continuing to use, modify, or distribute
# this file you indicate that you have read the license and
# understand and accept it fully.
import string, sys, os, glob, itertools
# current output directory
#
output_dir = None
# A function that generates a sorting key. We want lexicographical order
# (primary key) except that capital letters are sorted before lowercase
# ones (secondary key).
#
# The primary key is implemented by lowercasing the input. The secondary
# key is simply the original data appended, character by character. For
# example, the sort key for `FT_x' is `fFtT__xx', while the sort key for
# `ft_X' is `fftt__xX'. Since ASCII codes of uppercase letters are
# numerically smaller than the codes of lowercase letters, `fFtT__xx' gets
# sorted before `fftt__xX'.
#
def index_key( s ):
return " ".join( itertools.chain( *zip( s.lower(), s ) ) )
# Sort `input_list', placing the elements of `order_list' in front.
#
def sort_order_list( input_list, order_list ):
new_list = order_list[:]
for id in input_list:
if not id in order_list:
new_list.append( id )
return new_list
# Divert standard output to a given project documentation file. Use
# `output_dir' to determine the filename location if necessary and save the
# old stdout handle in a tuple that is returned by this function.
#
def open_output( filename ):
global output_dir
if output_dir and output_dir != "":
filename = output_dir + os.sep + filename
old_stdout = sys.stdout
new_file = open( filename, "w" )
sys.stdout = new_file
return ( new_file, old_stdout )
# Close the output that was returned by `open_output'.
#
def close_output( output ):
output[0].close()
sys.stdout = output[1]
# Check output directory.
#
def check_output():
global output_dir
if output_dir:
if output_dir != "":
if not os.path.isdir( output_dir ):
sys.stderr.write( "argument"
+ " '" + output_dir + "' "
+ "is not a valid directory\n" )
sys.exit( 2 )
else:
output_dir = None
def file_exists( pathname ):
"""Check that a given file exists."""
result = 1
try:
file = open( pathname, "r" )
file.close()
except:
result = None
sys.stderr.write( pathname + " couldn't be accessed\n" )
return result
def make_file_list( args = None ):
"""Build a list of input files from command-line arguments."""
file_list = []
# sys.stderr.write( repr( sys.argv[1 :] ) + '\n' )
if not args:
args = sys.argv[1:]
for pathname in args:
if pathname.find('*') >= 0:
newpath = glob.glob( pathname )
newpath.sort() # sort files -- this is important because
# of the order of files
else:
newpath = [pathname]
file_list.extend( newpath )
if len( file_list ) == 0:
file_list = None
else:
# now filter the file list to remove non-existing ones
file_list = filter( file_exists, file_list )
return file_list
# eof
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