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README.txt: minor fix
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# Authors: Wolfgang Scherer <Wolfgang.Scherer@gmx.de>
# Copyright: This module has been placed in the public domain.
"""
This module defines the div directive.
"""
__docformat__ = 'reStructuredText'
import sys
import os.path
import re
import time
from docutils import io, nodes, statemachine, utils
from docutils.parsers.rst import Directive, convert_directive_function
from docutils.parsers.rst import directives, roles, states
from docutils.transforms import misc
# --------------------------------------------------
# |||:sec:||| class Div
# --------------------------------------------------
class Div(Directive):
# ||:cls:||
"""
Content is included or removed from output based on the format
argument.
Content may be parsed by the parser, included as a literal block
or in raw format.
Only a part of the text may be included by specifying start and
end line or text to match before and/or after the text to be used.
Content may be included inline (content section of directive) or
imported from a file or url. The tab-width and encoding of an
included file or url can be specified.
"""
required_arguments = 0
optional_arguments = 1
final_argument_whitespace = True
option_spec = {
'format': directives.unchanged,
'literal': directives.flag,
'raw': directives.flag,
'start-line': directives.nonnegative_int,
'end-line': directives.nonnegative_int,
'start-after': directives.unchanged_required,
'end-before': directives.unchanged_required,
'file': directives.path,
'url': directives.uri,
'tab-width': directives.nonnegative_int,
'encoding': directives.encoding,
'inline': directives.flag,
'debug': directives.flag,
}
has_content = True
def dbg_data(self, name, data, fmt ='s'): # |:mth:|
if self.debug_enabled:
import sys
fmt_str=''.join(["# {1:<{0}", fmt, "}: [{2!s}]\n"])
sys.stderr.write(
fmt_str.format(
dbg_fwid if 'dbg_fwid' in globals() else self.debug_fwid,
name, data))
def dbg_mark(self, mark, fmt ='s'): # |:mth:|
self.dbg_data( '||' ':div:||', mark, fmt)
def dbg_note(self, note, fmt ='s'): # |:mth:|
self.dbg_data( ' |' ':div:| ', note, fmt)
debug_fwid = 15
debug_enabled = False
#debug_enabled = True # |:debug:|
def run(self): # |:mth:|
if 'debug' in self.options:
self.debug_enabled = True
self.dbg_mark('start')
if (not self.state.document.settings.span_enabled
or (not self.state.document.settings.file_insertion_enabled
and ('file' in self.options
or 'url' in self.options))):
raise self.warning('"%s" directive disabled.' % self.name)
if not nodes.span.ext_initialized:
nodes.span.ext_init(self.state.inliner.document.settings)
have_fopt = 'format' in self.options
have_arg = len(self.arguments) > 0
if have_fopt and have_arg:
raise self.error(
'"{0!s}" directive may not both specify the format as argument '
'and in the option list.'.format(self.name))
# check disposition
if 'literal' in self.options:
literal = 1
else:
literal = 0
if 'raw' in self.options:
raw = 1
else:
raw = 0
if literal and raw:
raise self.error(
'"{0!s}" directive may not both specify literal '
'and raw as disposition in the option list.'.format(
self.name))
self.options['literal'] = literal
self.options['raw'] = raw
# determine format list
if have_arg:
format_ = self.arguments[0]
elif have_fopt:
format_ = self.options['format']
else:
format_ = '*'
format_ = ' '.join(format_.lower().split())
if format_.startswith('!'):
drop = 1
format_ = format_[1:].strip()
if format_ == '':
format_ = '*'
elif format_ == '*':
format_ = ''
else:
drop = 0
self.options['format'] = format_
self.options['drop'] = drop
# always remove
if format_ == '':
self.dbg_mark('end remove')
return []
tab_width = self.options.get(
'tab-width', self.state.document.settings.tab_width)
encoding = self.options.get(
'encoding', self.state.document.settings.input_encoding)
if 'inline' in self.options:
inline = 1
else:
inline = 0
# format == '*' == all formats allowed == never remove = keep
if format_ == "'*'":
inline = 1
attributes = self.options
# |:sec:| get contents
offset = -1
source_ = 'direct'
if self.content:
if 'file' in self.options or 'url' in self.options:
raise self.error(
'"%s" directive may not both specify an external file '
'and have content.' % self.name)
text = '\n'.join(self.content)
offset = self.content_offset
elif 'file' in self.options:
if 'url' in self.options:
raise self.error(
'The "file" and "url" options may not be simultaneously '
'specified for the "%s" directive.' % self.name)
source_dir = os.path.dirname(
os.path.abspath(self.state.document.current_source))
path = os.path.normpath(os.path.join(source_dir,
self.options['file']))
path = utils.relative_path(None, path)
try:
self.state.document.settings.record_dependencies.add(path)
raw_file = io.FileInput(
source_path=path, encoding=encoding,
error_handler=(self.state.document.settings.\
input_encoding_error_handler),
handle_io_errors=None)
except IOError, error:
raise self.severe('Problems with "%s" directive path:\n%s.'
% (self.name, error))
try:
text = raw_file.read()
except UnicodeError, error:
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
attributes['source'] = path
source_ = path
elif 'url' in self.options:
source = self.options['url']
# Do not import urllib2 at the top of the module because
# it may fail due to broken SSL dependencies, and it takes
# about 0.15 seconds to load.
import urllib2
try:
raw_text = urllib2.urlopen(source).read()
except (urllib2.URLError, IOError, OSError), error:
raise self.severe(
'Problems with "%s" directive URL "%s":\n%s.'
% (self.name, self.options['url'], error))
raw_file = io.StringInput(
source=raw_text, source_path=source, encoding=encoding,
error_handler=(self.state.document.settings.\
input_encoding_error_handler))
try:
text = raw_file.read()
except UnicodeError, error:
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
attributes['source'] = source
source_ = source
else:
# This will always fail because there is no content.
self.assert_has_content()
# |:sec:| extract lines
startline = self.options.get('start-line', None)
endline = self.options.get('end-line', None)
try:
if startline or (endline is not None):
lines = statemachine.string2lines(
text, tab_width, convert_whitespace=1)
text = '\n'.join(lines[startline:endline])
except UnicodeError, error:
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
# start-after/end-before: no restrictions on newlines in match-text,
# and no restrictions on matching inside lines vs. line boundaries
after_text = self.options.get('start-after', None)
if after_text:
opttext_nodes, opttext_msgs = self.state.inline_text(after_text,offset)
if len(opttext_msgs) > 0:
self.dbg_mark('end error')
return opttext_nodes, opttext_msgs
opttext_txt = []
for otn in opttext_nodes:
opttext_txt.append( otn.astext())
after_text = ''.join(opttext_txt)
# skip content in rawtext before *and incl.* a matching text
after_index = text.find(after_text)
if after_index < 0:
raise self.severe(
'Problem with "start-after" option of "{0!s}" '
'directive:\nText `{1!s}` not found.'.format(
self.name,after_text))
text = text[after_index + len(after_text):]
before_text = self.options.get('end-before', None)
if before_text:
opttext_nodes, opttext_msgs = self.state.inline_text(before_text,offset)
if len(opttext_msgs) > 0:
self.dbg_mark('end error')
return opttext_nodes, opttext_msgs
opttext_txt = []
for otn in opttext_nodes:
opttext_txt.append( otn.astext())
before_text = ''.join(opttext_txt)
# skip content in rawtext after *and incl.* a matching text
before_index = text.find(before_text)
if before_index < 0:
raise self.severe(
'Problem with "end-before" option of "{0!s}" '
'directive:\nText `{1!s}` not found.'.format(
self.name,before_text))
text = text[:before_index]
# |:sec:| disposition
if literal:
# Literal Block
raw_text = text
if tab_width >= 0:
text = raw_text.expandtabs(tab_width)
literal_block = nodes.literal_block(raw_text, text)
literal_block.line = 1
div_node = nodes.div('', literal_block, **attributes)
elif raw:
# Raw Text
raw_node = nodes.raw('', text, **attributes)
div_node = nodes.div('', raw_node, **attributes)
else:
# Parse Text
if inline:
include_lines = statemachine.string2lines(
text, tab_width, convert_whitespace=1)
self.state_machine.insert_input(include_lines, source_)
self.dbg_mark('end inline parse')
return []
content = statemachine.StringList(
statemachine.string2lines(
text, tab_width, convert_whitespace=1),
source=source_)
div_node = nodes.div('', *[], **attributes)
self.state.nested_parse(content, offset, div_node)
if inline:
self.dbg_mark('end inline')
return div_node.children
self.dbg_mark('end')
return [div_node]
# --------------------------------------------------
# |||:sec:||| class DivX
# --------------------------------------------------
class DivX(Div):
# ||:cls:||
"""
Debugging class for Div.
"""
def run(self): # |:mth:|
self.options['debug'] = True
try:
del(self.options['inline'])
except KeyError:
pass
return Div.run(self)
import sys # |:debug:|
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'start' ))
if False:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'---------------', '--------------------------------------------------' ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
self.__class__.__name__ + '.dir', dir(self)))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'---------------', '--------------------------------------------------' ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
self.state.__class__.__name__ + '.dir', dir(self.state)))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'---------------', '--------------------------------------------------' ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
self.state.parent.__class__.__name__ + '.dir', dir(self.state.parent)))
if (not self.state.document.settings.span_enabled
or (not self.state.document.settings.file_insertion_enabled
and ('file' in self.options
or 'url' in self.options))):
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.warning('"%s" directive disabled.' % self.name)
if not nodes.span.ext_initialized:
nodes.span.ext_init(self.state.inliner.document.settings)
# |:sec:| check format list
have_fopt = 'format' in self.options
have_arg = len(self.arguments) > 0
if have_fopt and have_arg:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.error(
'"{0!s}" directive may not both specify the format as argument '
'and in the option list.'.format(self.name))
# check disposition
if 'literal' in self.options:
literal = 1
else:
literal = 0
if 'raw' in self.options:
raw = 1
else:
raw = 0
if literal and raw:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.error(
'"{0!s}" directive may not both specify literal '
'and raw as disposition in the option list.'.format(
self.name))
self.options['literal'] = literal
self.options['raw'] = raw
# determine format list
if have_arg:
format_ = self.arguments[0]
elif have_fopt:
format_ = self.options['format']
else:
format_ = '*'
format_ = ' '.join(format_.lower().split())
if format_.startswith('!'):
drop = 1
format_ = format_[1:].strip()
if format_ == '':
format_ = '*'
elif format_ == '*':
format_ = ''
else:
drop = 0
self.options['format'] = format_
self.options['drop'] = drop
# always remove
if format_ == '':
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'end' ))
return []
# format == '*' == all formats allowed == never remove = keep
if format_ == "'*'":
wrap = True # |:check:| let's always wrap?
else:
wrap = True
tab_width = self.options.get(
'tab-width', self.state.document.settings.tab_width)
encoding = self.options.get(
'encoding', self.state.document.settings.input_encoding)
if 'inline' in self.options:
inline = 1
else:
inline = 0
attributes = self.options
# |:sec:| get contents
offset = -1
source_ = 'direct'
if self.content:
if 'file' in self.options or 'url' in self.options:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.error(
'"%s" directive may not both specify an external file '
'and have content.' % self.name)
text = '\n'.join(self.content)
offset = self.content_offset
elif 'file' in self.options:
if 'url' in self.options:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.error(
'The "file" and "url" options may not be simultaneously '
'specified for the "%s" directive.' % self.name)
source_dir = os.path.dirname(
os.path.abspath(self.state.document.current_source))
path = os.path.normpath(os.path.join(source_dir,
self.options['file']))
path = utils.relative_path(None, path)
try:
self.state.document.settings.record_dependencies.add(path)
raw_file = io.FileInput(
source_path=path, encoding=encoding,
error_handler=(self.state.document.settings.\
input_encoding_error_handler),
handle_io_errors=None)
except IOError, error:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe('Problems with "%s" directive path:\n%s.'
% (self.name, error))
try:
text = raw_file.read()
except UnicodeError, error:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
attributes['source'] = path
source_ = path
elif 'url' in self.options:
source = self.options['url']
# Do not import urllib2 at the top of the module because
# it may fail due to broken SSL dependencies, and it takes
# about 0.15 seconds to load.
import urllib2
try:
raw_text = urllib2.urlopen(source).read()
except (urllib2.URLError, IOError, OSError), error:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problems with "%s" directive URL "%s":\n%s.'
% (self.name, self.options['url'], error))
raw_file = io.StringInput(
source=raw_text, source_path=source, encoding=encoding,
error_handler=(self.state.document.settings.\
input_encoding_error_handler))
try:
text = raw_file.read()
except UnicodeError, error:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
attributes['source'] = source
source_ = source
else:
# This will always fail because there is no content.
self.assert_has_content()
# |:sec:| extract lines
startline = self.options.get('start-line', None)
endline = self.options.get('end-line', None)
try:
if startline or (endline is not None):
lines = statemachine.string2lines(
text, tab_width, convert_whitespace=1)
text = '\n'.join(lines[startline:endline])
except UnicodeError, error:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problem with "%s" directive:\n%s: %s'
% (self.name, error.__class__.__name__, error))
# start-after/end-before: no restrictions on newlines in match-text,
# and no restrictions on matching inside lines vs. line boundaries
after_text = self.options.get('start-after', None)
if after_text:
opttext_nodes, opttext_msgs = self.state.inline_text(after_text,offset)
if len(opttext_msgs) > 0:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
return opttext_nodes, opttext_msgs
opttext_txt = []
for otn in opttext_nodes:
opttext_txt.append( otn.astext())
after_text = ''.join(opttext_txt)
# skip content in rawtext before *and incl.* a matching text
after_index = text.find(after_text)
if after_index < 0:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problem with "start-after" option of "{0!s}" '
'directive:\nText `{1!s}` not found.'.format(
self.name,after_text))
text = text[after_index + len(after_text):]
before_text = self.options.get('end-before', None)
if before_text:
opttext_nodes, opttext_msgs = self.state.inline_text(before_text,offset)
if len(opttext_msgs) > 0:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
return opttext_nodes, opttext_msgs
opttext_txt = []
for otn in opttext_nodes:
opttext_txt.append( otn.astext())
before_text = ''.join(opttext_txt)
# skip content in rawtext after *and incl.* a matching text
before_index = text.find(before_text)
if before_index < 0:
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error' ))
raise self.severe(
'Problem with "end-before" option of "{0!s}" '
'directive:\nText `{1!s}` not found.'.format(
self.name,before_text))
text = text[:before_index]
# |:sec:| disposition
if literal:
# Literal Block
raw_text = text
if tab_width >= 0:
text = raw_text.expandtabs(tab_width)
literal_block = nodes.literal_block(raw_text, text)
literal_block.line = 1
if not wrap:
div_node = literal_block
else:
div_node = nodes.div('', literal_block, **attributes)
elif raw:
# Raw Text
raw_node = nodes.raw('', text, **attributes)
div_node = nodes.div('', raw_node, **attributes)
else:
# Parse Text
parent = self.state.parent
pchild_ct = len(parent.children)
# |:debug:|
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'pname', parent.__class__.__name__ ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'pchild_ct', pchild_ct ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'state', self.state.__class__.__name__ ))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'state.nested_sm', self.state.nested_sm.__name__ ))
# sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
# dbg_fwid if 'dbg_fwid' in globals() else 15,
# 'state dir', dir(self.state)))
if inline and 0:
include_lines = statemachine.string2lines(
text, tab_width, convert_whitespace=1)
self.state_machine.insert_input(include_lines, source_)
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'end' ))
return []
content = statemachine.StringList(
statemachine.string2lines(
text, tab_width, convert_whitespace=1),
source=source_)
div_node = nodes.div('', *[], **attributes)
try:
self.state.nested_parse(content, offset, div_node, 1)
except Exception as e:
sys.stderr.write( "# {1:<{0}s}: [{2!r}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
e.__class__.__name__, dir(e)))
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'error below' ))
raise e
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'children', div_node.children ))
if inline and 0:
return div_node.children
sys.stderr.write( "# {1:<{0}s}: [{2!s}]\n".format(
dbg_fwid if 'dbg_fwid' in globals() else 15,
'||:div:||', 'end' ))
return [div_node]
# --------------------------------------------------
# |||:sec:||| Register Div
# --------------------------------------------------
_register_div_class = Div
#_register_div_class = DivX # |:debug:|
# Register as if part of docutils.
# add role name to language en
from docutils.parsers.rst.languages import en
en.directives['div'] = 'div'
# install `div` directive
import docutils.parsers.rst.directives
import docutils.parsers.rst.directives.misc
docutils.parsers.rst.directives.misc.Div = _register_div_class
docutils.parsers.rst.directives._directive_registry[ 'div' ] = ('misc', _register_div_class.__name__)
# --------------------------------------------------
# |||:sec:||| Register DivX
# --------------------------------------------------
# Register as if part of docutils.
# add role name to language en
from docutils.parsers.rst.languages import en
en.directives['divx'] = 'divx'
# install `divx` directive
import docutils.parsers.rst.directives
import docutils.parsers.rst.directives.misc
docutils.parsers.rst.directives.misc.DivX = DivX
docutils.parsers.rst.directives._directive_registry[ 'divx' ] = ('misc', 'DivX')
# Register application specific.
#import docutils.parsers.rst.directives
#docutils.parsers.rst.directives.register_directive('div', Div)
# --------------------------------------------------
# |||:sec:||| END
# --------------------------------------------------
#
# :ide-menu: Emacs IDE Main Menu - Buffer @BUFFER@
# . M-x `eIDE-menu' ()(eIDE-menu "z")
# :ide: CLN: Clean file (remove excess blank lines and whitespace)
# . (let () (save-excursion (goto-char (point-min)) (set-buffer-modified-p t) (replace-regexp "\n\n\n+" "\n\n" nil) (c-beautify-buffer) (save-buffer)))
# :ide: CSCOPE ON
# . (cscope-minor-mode)
# :ide: CSCOPE OFF
# . (cscope-minor-mode (quote ( nil )))
# :ide: COMPILE: Run w/o args
# . (progn (save-buffer) (compile (concat "python ./" (file-name-nondirectory (buffer-file-name)) " ")))
#
# Local Variables:
# mode: python
# comment-start: "#"
# comment-start-skip: "#+"
# comment-column: 0
# End:
|