org-rw/org_rw/org_rw.py
Sergio Martínez Portela 330fd8f7b5 Rename to org-rw.
2020-12-20 12:39:47 +01:00

1162 lines
36 KiB
Python

import collections
import difflib
import logging
import re
import sys
from enum import Enum
from typing import List, Tuple, Union
BASE_ENVIRONMENT = {
"org-footnote-section": "Footnotes",
"org-options-keywords": (
"ARCHIVE:",
"AUTHOR:",
"BIND:",
"CATEGORY:",
"COLUMNS:",
"CREATOR:",
"DATE:",
"DESCRIPTION:",
"DRAWERS:",
"EMAIL:",
"EXCLUDE_TAGS:",
"FILETAGS:",
"INCLUDE:",
"INDEX:",
"KEYWORDS:",
"LANGUAGE:",
"MACRO:",
"OPTIONS:",
"PROPERTY:",
"PRIORITIES:",
"SELECT_TAGS:",
"SEQ_TODO:",
"SETUPFILE:",
"STARTUP:",
"TAGS:" "TITLE:",
"TODO:",
"TYP_TODO:",
"SELECT_TAGS:",
"EXCLUDE_TAGS:",
),
}
HEADLINE_RE = re.compile(r"^(?P<stars>\*+) (?P<spacing>\s*)(?P<line>.*)$")
KEYWORDS_RE = re.compile(
r"^(?P<indentation>\s*)#\+(?P<key>[^:\[]+)(\[(?P<options>[^\]]*)\])?:(?P<spacing>\s*)(?P<value>.*)$"
)
DRAWER_START_RE = re.compile(r"^(?P<indentation>\s*):([^:]+):(?P<end_indentation>\s*)$")
DRAWER_END_RE = re.compile(r"^(?P<indentation>\s*):END:(?P<end_indentation>\s*)$", re.I)
NODE_PROPERTIES_RE = re.compile(
r"^(?P<indentation>\s*):(?P<key>[^+:]+)(?P<plus>\+)?:(?P<spacing>\s*)(?P<value>.+)$"
)
RAW_LINE_RE = re.compile(r"^\s*([^\s#:*]|$)")
BASE_TIME_STAMP_RE = r"(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2}) (?P<dow>[^ ]+)( (?P<start_hour>\d{1,2}):(?P<start_minute>\d{1,2})(--(?P<end_hour>\d{1,2}):(?P<end_minute>\d{1,2}))?)?"
ACTIVE_TIME_STAMP_RE = re.compile(r"<{}>".format(BASE_TIME_STAMP_RE))
INACTIVE_TIME_STAMP_RE = re.compile(r"\[{}\]".format(BASE_TIME_STAMP_RE))
# Org-Babel
BEGIN_SRC_RE = re.compile(r"^\s*#\+BEGIN_SRC(?P<content>.*)$", re.I)
END_SRC_RE = re.compile(r"^\s*#\+END_SRC\s*$", re.I)
RESULTS_DRAWER_RE = re.compile(r"^\s*:results:\s*$", re.I)
CodeSnippet = collections.namedtuple("CodeSnippet", ("name", "content", "result"))
# BASE_TIME_RANGE_RE = (r'(?P<start_year>\d{4})-(?P<start_month>\d{2})-(?P<start_day>\d{2}) (?P<start_dow>[^ ]+)((?P<start_hour>\d{1,2}):(?P<start_minute>\d{1,2}))?',
# r'(?P<end_year>\d{4})-(?P<end_month>\d{2})-(?P<end_day>\d{2}) (?P<end_dow>[^ ]+)((?P<end_hour>\d{1,2}):(?P<end_minute>\d{1,2}))?')
def get_tokens(value):
if isinstance(value, Text):
return value.contents
if isinstance(value, RawLine):
return [value.line]
raise Exception("Unknown how to get tokens from: {}".format(value))
class RangeInRaw:
def __init__(self, content, start_token, end_token):
self._content = content
self._start_id = id(start_token)
self._end_id = id(end_token)
def update_range(self, new_contents):
# Find start token
for start_idx, tok in enumerate(self._content.contents):
if id(tok) == self._start_id:
break
else:
raise Exception("Start token not found")
# Find end token
for offset, tok in enumerate(self._content.contents[start_idx:]):
if id(tok) == self._end_id:
break
else:
raise Exception("End token not found")
# Remove old contents
for i in range(1, offset):
self._content.contents.pop(start_idx + 1)
# Add new ones
for i, element in enumerate(new_contents):
self._content.contents.insert(start_idx + i + 1, element)
def get_links_from_content(content):
in_link = False
in_description = False
link_value = []
link_description = []
for i, tok in enumerate(get_tokens(content)):
if isinstance(tok, LinkToken):
if tok.tok_type == LinkTokenType.OPEN_LINK:
in_link = True
open_link_token = tok
elif tok.tok_type == LinkTokenType.OPEN_DESCRIPTION:
in_description = True
elif tok.tok_type == LinkTokenType.CLOSE:
rng = RangeInRaw(content, open_link_token, tok)
yield Link(
"".join(link_value),
"".join(link_description) if in_description else None,
rng,
)
in_link = False
in_description = False
link_value = []
link_description = []
elif isinstance(tok, str) and in_link:
if in_description:
link_description.append(tok)
else:
link_value.append(tok)
class Headline:
def __init__(
self,
start_line,
depth,
orig,
properties,
keywords,
priority_start,
priority,
title_start,
title,
tags_start,
tags,
contents,
children,
structural,
delimiters,
):
self.start_line = start_line
self.depth = depth
self.orig = orig
self.properties = properties
self.keywords = keywords
self.priority_start = priority_start
self.priority = priority
self.title_start = title_start
self.title = title
self.tags_start = tags_start
self.tags = tags
self.contents = contents
self.children = children
self.structural = structural
self.delimiters = delimiters
def get_links(self):
for content in self.contents:
yield from get_links_from_content(content)
def get_lines_between(self, start, end):
for line in self.contents:
if start <= line.linenum < end:
yield "".join(line.contents)
def get_element_in_line(self, linenum):
for line in self.contents:
if linenum == line.linenum:
return line
for (s_lnum, struc) in self.structural:
if linenum == s_lnum:
return ("structural", struc)
def get_structural_end_after(self, linenum):
for (s_lnum, struc) in self.structural:
if s_lnum > linenum and struc.strip().upper() == ":END:":
return (s_lnum, struc)
def get_code_snippets(self):
inside_code = False
sections = []
for delimiter in self.delimiters:
if delimiter.delimiter_type == DelimiterLineType.BEGIN_SRC:
line_start = delimiter.linenum
inside_code = True
elif delimiter.delimiter_type == DelimiterLineType.END_SRC:
inside_code = False
start, end = line_start, delimiter.linenum
lines = self.get_lines_between(start + 1, end)
contents = "\n".join(lines)
if contents.endswith("\n"):
# This is not ideal, but to avoid having to do this maybe
# the content parsing must be re-thinked
contents = contents[:-1]
sections.append(
{
"line_first": start + 1,
"line_last": end - 1,
"content": contents,
}
)
line_start = None
for kword in self.keywords:
if kword.key.upper() == "RESULTS":
for snippet in sections:
if kword.linenum > snippet["line_last"]:
result_first = self.get_element_in_line(kword.linenum + 1)
if isinstance(result_first, Text):
result = "\n".join(result_first.contents)
snippet["result"] = result
if result.strip().startswith(": "):
# Split lines and remove ':'
lines = result.split("\n")
s_result = []
for line in lines:
if ": " not in line:
break
s_result.append(line.lstrip(" ")[2:])
snippet["result"] = "\n".join(s_result)
elif (
isinstance(result_first, tuple)
and len(result_first) == 2
and result_first[0] == "structural"
and result_first[1].strip().upper() == ":RESULTS:"
):
(end_line, _) = self.get_structural_end_after(
kword.linenum + 1
)
contents = "\n".join(
self.get_lines_between(kword.linenum + 1, end_line)
)
indentation = result_first[1].index(":")
dedented = "\n".join(
[line[indentation:] for line in contents.split("\n")]
)
if dedented.endswith("\n"):
dedented = dedented[:-1]
snippet["result"] = dedented
break
results = []
for section in sections:
name = None
content = section["content"]
code_result = section.get("result", None)
results.append(CodeSnippet(name=name, content=content, result=code_result))
return results
RawLine = collections.namedtuple("RawLine", ("linenum", "line"))
Keyword = collections.namedtuple(
"Keyword", ("linenum", "match", "key", "value", "options")
)
Property = collections.namedtuple(
"Property", ("linenum", "match", "key", "value", "options")
)
# @TODO How are [YYYY-MM-DD HH:mm--HH:mm] and ([... HH:mm]--[... HH:mm]) differentiated ?
# @TODO Consider recurrence annotations
TimeRange = collections.namedtuple("TimeRange", ("start_time", "end_time"))
Timestamp = collections.namedtuple(
"Timestamp", ("active", "year", "month", "day", "dow", "hour", "minute")
)
class DelimiterLineType(Enum):
BEGIN_SRC = 1
END_SRC = 2
DelimiterLine = collections.namedtuple(
"DelimiterLine", ("linenum", "line", "delimiter_type")
)
class MarkerType(Enum):
NO_MODE = 0b0
BOLD_MODE = 0b1
CODE_MODE = 0b10
ITALIC_MODE = 0b100
STRIKE_MODE = 0b1000
UNDERLINED_MODE = 0b10000
VERBATIM_MODE = 0b100000
MARKERS = {
"*": MarkerType.BOLD_MODE,
"~": MarkerType.CODE_MODE,
"/": MarkerType.ITALIC_MODE,
"+": MarkerType.STRIKE_MODE,
"_": MarkerType.UNDERLINED_MODE,
"=": MarkerType.VERBATIM_MODE,
}
ModeToMarker = {}
for tok, mode in MARKERS.items():
ModeToMarker[mode] = tok
MarkerToken = collections.namedtuple("MarkerToken", ("closing", "tok_type"))
LinkToken = collections.namedtuple("LinkToken", ("tok_type"))
class LinkTokenType(Enum):
OPEN_LINK = 3
OPEN_DESCRIPTION = 5
CLOSE = 4
BEGIN_PROPERTIES = "OPEN_PROPERTIES"
END_PROPERTIES = "CLOSE_PROPERTIES"
def token_from_type(tok_type):
return ModeToMarker[tok_type]
def parse_org_time_range(start, end):
return TimeRange(parse_org_time(start), parse_org_time(end))
def parse_org_time(value):
if m := ACTIVE_TIME_STAMP_RE.match(value):
active = True
elif m := INACTIVE_TIME_STAMP_RE.match(value):
active = False
else:
return None
if m.group("end_hour"):
return TimeRange(
Timestamp(
active,
int(m.group("year")),
int(m.group("month")),
int(m.group("day")),
m.group("dow"),
int(m.group("start_hour")),
int(m.group("start_minute")),
),
Timestamp(
active,
int(m.group("year")),
int(m.group("month")),
int(m.group("day")),
m.group("dow"),
int(m.group("end_hour")),
int(m.group("end_minute")),
),
)
return Timestamp(
active,
int(m.group("year")),
int(m.group("month")),
int(m.group("day")),
m.group("dow"),
int(m.group("start_hour")) if m.group("start_hour") else None,
int(m.group("start_minute")) if m.group("start_minute") else None,
)
def timerange_to_string(tr: TimeRange):
return timestamp_to_string(tr.start_time) + "--" + timestamp_to_string(tr.end_time)
def timestamp_to_string(ts):
date = "{year}-{month:02d}-{day:02d}".format(
year=ts.year, month=ts.month, day=ts.day
)
if ts.dow:
date = date + " " + ts.dow
if ts.hour is not None:
base = "{date} {hour:02}:{minute:02d}".format(
date=date, hour=ts.hour, minute=ts.minute
)
else:
base = date
if ts.active:
return "<{}>".format(base)
else:
return "[{}]".format(base)
def get_raw(doc):
if isinstance(doc, str):
return doc
else:
return doc.get_raw()
class Line:
def __init__(self, linenum, contents):
self.linenum = linenum
self.contents = contents
def get_raw(self):
rawchunks = []
for chunk in self.contents:
if isinstance(chunk, str):
rawchunks.append(chunk)
else:
rawchunks.append(chunk.get_raw())
return "".join(rawchunks) + "\n"
class Link:
def __init__(self, value: str, description: str, origin: RangeInRaw):
self._value = value
self._description = description
self._origin = origin
def get_raw(self):
if self.description:
return "[[{}][{}]]".format(self.value, self.description)
else:
return "[[{}]]".format(self.value)
def _update_content(self):
new_contents = []
new_contents.append(self._value)
if self._description:
new_contents.append(LinkToken(LinkTokenType.OPEN_DESCRIPTION))
new_contents.append(self._description)
self._origin.update_range(new_contents)
@property
def value(self):
return self._value
@value.setter
def value(self, new_value):
self._value = new_value
self._update_content()
@property
def description(self):
return self._description
@description.setter
def description(self, new_description):
self._description = new_description
self._update_content()
class Text:
def __init__(self, contents, line):
self.contents = contents
self.linenum = line
def __repr__(self):
return "{{Text line: {}; content: {} }}".format(self.linenum, self.contents)
def get_raw(self):
contents = []
for chunk in self.contents:
if isinstance(chunk, str):
contents.append(chunk)
elif isinstance(chunk, LinkToken):
if chunk.tok_type == LinkTokenType.OPEN_LINK:
contents.append("[[")
elif chunk.tok_type == LinkTokenType.OPEN_DESCRIPTION:
contents.append("][")
else:
assert chunk.tok_type == LinkTokenType.CLOSE
contents.append("]]")
else:
assert isinstance(chunk, MarkerToken)
contents.append(token_from_type(chunk.tok_type))
return "".join(contents)
class Bold:
Marker = "*"
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
class Code:
Marker = "~"
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
class Italic:
Marker = "/"
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
class Strike:
Marker = "+"
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
class Underlined:
Marker = "_"
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
class Verbatim:
Marker = "="
def __init__(self, contents, line):
self.contents = contents
def get_raw(self):
raw = "".join(map(get_raw, self.contents))
return f"{self.Marker}{raw}{self.Marker}"
def is_pre(char: str) -> bool:
if isinstance(char, str):
return char in "\n\r\t -({'\""
else:
return True
def is_marker(char: str) -> bool:
if isinstance(char, str):
return char in "*=/+_~"
else:
return False
def is_border(char: str) -> bool:
if isinstance(char, str):
return char not in "\n\r\t "
else:
return False
def is_body(char: str) -> bool:
if isinstance(char, str):
return True
else:
return False
def is_post(char: str) -> bool:
if isinstance(char, str):
return char in "-.,;:!?')}[\""
else:
return False
TOKEN_TYPE_TEXT = 0
TOKEN_TYPE_OPEN_MARKER = 1
TOKEN_TYPE_CLOSE_MARKER = 2
TOKEN_TYPE_OPEN_LINK = 3
TOKEN_TYPE_CLOSE_LINK = 4
TOKEN_TYPE_OPEN_DESCRIPTION = 5
def tokenize_contents(contents: str):
tokens = []
last_char = None
text = []
closes = set()
in_link = False
in_link_description = False
last_link_start = 0
def cut_string():
nonlocal text
nonlocal tokens
if len(text) > 0:
tokens.append((TOKEN_TYPE_TEXT, "".join(text)))
text = []
cursor = enumerate(contents)
for i, char in cursor:
has_changed = False
# Possible link opening
if char == "[":
if (
len(contents) > i + 3
# At least 3 characters more to open and close a link
and contents[i + 1] == "["
):
close = contents.find("]", i)
if close != -1 and contents[close + 1] == "]":
# Link with no description
cut_string()
in_link = True
tokens.append((TOKEN_TYPE_OPEN_LINK, None))
assert "[" == (next(cursor)[1])
last_link_start = i
continue
if close != -1 and contents[close + 1] == "[":
# Link with description?
close = contents.find("]", close + 1)
if close != -1 and contents[close + 1] == "]":
# No match here means this is not an Org link
cut_string()
in_link = True
tokens.append((TOKEN_TYPE_OPEN_LINK, None))
assert "[" == (next(cursor)[1])
last_link_start = i
continue
# Possible link close or open of description
if char == "]" and in_link:
if contents[i + 1] == "]":
cut_string()
tokens.append((TOKEN_TYPE_CLOSE_LINK, None))
assert "]" == (next(cursor)[1])
in_link = False
in_link_description = False
continue
if contents[i + 1] == "[" and not in_link_description:
cut_string()
tokens.append((TOKEN_TYPE_OPEN_DESCRIPTION, None))
assert "[" == (next(cursor)[1])
continue
raise Exception(
"Link cannot contain ']' not followed by '[' or ']'. Starting with {}".format(
contents[last_link_start : i + 10]
)
)
if in_link and not in_link_description:
# Link's pointer have no formatting
pass
elif (
(i not in closes)
and is_marker(char)
and is_pre(last_char)
and ((i + 1 < len(contents)) and is_border(contents[i + 1]))
):
is_valid_mark = False
# Check that is closed later
text_in_line = True
for j in range(i, len(contents) - 1):
if contents[j] == "\n":
if not text_in_line:
break
text_in_line = False
elif is_border(contents[j]) and contents[j + 1] == char:
is_valid_mark = True
closes.add(j + 1)
break
else:
text_in_line |= is_body(contents[j])
if is_valid_mark:
cut_string()
tokens.append((TOKEN_TYPE_OPEN_MARKER, char))
has_changed = True
elif i in closes:
cut_string()
tokens.append((TOKEN_TYPE_CLOSE_MARKER, char))
has_changed = True
if not has_changed:
text.append(char)
last_char = char
if len(text) > 0:
tokens.append((TOKEN_TYPE_TEXT, "".join(text)))
return tokens
def parse_contents(raw_contents: List[RawLine]):
if len(raw_contents) == 0:
return []
blocks = []
current_block = []
for line in raw_contents:
if len(current_block) == 0:
# Seed the first block
current_line = line.linenum
current_block.append(line)
else:
if line.linenum == current_line + 1:
# Continue with the current block
current_line = line.linenum
current_block.append(line)
else:
# Split the blocks
blocks.append(current_block)
current_line = line.linenum
current_block = [line]
# Check that the current block is not left behind
if len(current_block) > 0:
blocks.append(current_block)
return [parse_content_block(block) for block in blocks]
def parse_content_block(raw_contents: List[RawLine]):
contents_buff = []
for line in raw_contents:
contents_buff.append(line.line)
contents = "\n".join(contents_buff)
tokens = tokenize_contents(contents)
current_line = raw_contents[0].linenum
contents = []
# Use tokens to tag chunks of text with it's container type
for (tok_type, tok_val) in tokens:
if tok_type == TOKEN_TYPE_TEXT:
contents.append(tok_val)
elif tok_type == TOKEN_TYPE_OPEN_MARKER:
contents.append(MarkerToken(False, MARKERS[tok_val]))
elif tok_type == TOKEN_TYPE_CLOSE_MARKER:
contents.append(MarkerToken(True, MARKERS[tok_val]))
elif tok_type == TOKEN_TYPE_OPEN_LINK:
contents.append(LinkToken(LinkTokenType.OPEN_LINK))
elif tok_type == TOKEN_TYPE_OPEN_DESCRIPTION:
contents.append(LinkToken(LinkTokenType.OPEN_DESCRIPTION))
elif tok_type == TOKEN_TYPE_CLOSE_LINK:
contents.append(LinkToken(LinkTokenType.CLOSE))
return Text(contents, current_line)
def parse_headline(hl) -> Headline:
stars = hl["orig"].group("stars")
depth = len(stars)
# TODO: Parse line for priority, cookies and tags
line = hl["orig"].group("line")
title = line
contents = parse_contents(hl["contents"])
return Headline(
start_line=hl["linenum"],
depth=depth,
orig=hl["orig"],
title=title,
contents=contents,
children=[parse_headline(child) for child in hl["children"]],
keywords=hl["keywords"],
properties=hl["properties"],
structural=hl["structural"],
delimiters=hl["delimiters"],
title_start=None,
priority=None,
priority_start=None,
tags_start=None,
tags=None,
)
class OrgDom:
def __init__(self, headlines, keywords, contents):
self.headlines: List[Headline] = list(map(parse_headline, headlines))
self.keywords: List[Property] = keywords
self.contents: List[RawLine] = contents
## Querying
def get_links(self):
for headline in self.headlines:
yield from headline.get_links()
for content in self.contents:
yield from get_links_from_content(content)
def getProperties(self):
return self.keywords
def getTopHeadlines(self):
return self.headlines
def get_code_snippets(self):
for headline in self.headlines:
yield from headline.get_code_snippets()
# Writing
def dump_kw(self, kw):
options = kw.match.group("options")
if not options:
options = ""
return (
kw.linenum,
"{indentation}#+{key}{options}:{spacing}{value}".format(
indentation=kw.match.group("indentation"),
key=kw.key,
options=kw.options,
spacing=kw.match.group("spacing"),
value=kw.value,
),
)
def dump_property(self, prop: Property):
plus = prop.match.group("plus")
if plus is None:
plus = ""
if isinstance(prop.value, Timestamp):
value = timestamp_to_string(prop.value)
elif isinstance(prop.value, TimeRange):
value = timerange_to_string(prop.value)
else:
value = prop.value
return (
prop.linenum,
"{indentation}:{key}{plus}:{spacing}{value}".format(
indentation=prop.match.group("indentation"),
key=prop.key,
plus=plus,
spacing=prop.match.group("spacing"),
value=value,
),
)
def dump_contents(self, raw):
if isinstance(raw, RawLine):
return (raw.linenum, raw.line)
return (raw.linenum, raw.get_raw())
def dump_structural(self, structural: Tuple):
return (structural[0], structural[1])
def dump_delimiters(self, line: DelimiterLine):
return (line.linenum, line.line)
def dump_headline(self, headline):
yield "*" * headline.depth + " " + headline.orig.group(
"spacing"
) + headline.title
lines = []
KW_T = 0
CONTENT_T = 1
PROPERTIES_T = 2
STRUCTURAL_T = 3
for keyword in headline.keywords:
lines.append((KW_T, self.dump_kw(keyword)))
for content in headline.contents:
lines.append((CONTENT_T, self.dump_contents(content)))
for prop in headline.properties:
lines.append((PROPERTIES_T, self.dump_property(prop)))
for struct in headline.structural:
lines.append((STRUCTURAL_T, self.dump_structural(struct)))
for content in headline.delimiters:
lines.append((STRUCTURAL_T, self.dump_delimiters(content)))
lines = sorted(lines, key=lambda x: x[1][0])
structured_lines = []
last_type = None
for i, line in enumerate(lines):
ltype = line[0]
content = line[1][1]
if ltype == PROPERTIES_T and last_type not in (STRUCTURAL_T, PROPERTIES_T):
# No structural opening
structured_lines.append(" " * content.index(":") + ":PROPERTIES:\n")
logging.warning(
"Added structural: ".format(
line[1][0], structured_lines[-1].strip()
)
)
elif (
ltype not in (STRUCTURAL_T, PROPERTIES_T) and last_type == PROPERTIES_T
):
# No structural closing
last_line = lines[i - 1][1][1]
structured_lines.append(" " * last_line.index(":") + ":END:\n")
logging.warning(
"Added structural:{}: {}".format(
line[1][0], structured_lines[-1].strip()
)
)
content = content + "\n"
last_type = ltype
structured_lines.append(content)
if len(structured_lines) > 0:
content = "".join(structured_lines)
# Remove the last line jump, which will be accounted for by the "yield operation"
assert content.endswith("\n")
content = content[:-1]
yield content
for child in headline.children:
yield from self.dump_headline(child)
def dump(self):
lines = []
for kw in self.keywords:
lines.append(self.dump_kw(kw))
for line in self.contents:
lines.append(self.dump_contents(line))
yield from map(lambda x: x[1], sorted(lines, key=lambda x: x[0]))
for headline in self.headlines:
yield from self.dump_headline(headline)
class OrgDomReader:
def __init__(self):
self.headlines: List[Headline] = []
self.keywords: List[Property] = []
self.headline_hierarchy: List[OrgDom] = []
self.contents: List[RawLine] = []
self.delimiters: List[DelimiterLine] = []
def finalize(self):
return OrgDom(self.headlines, self.keywords, self.contents)
## Construction
def add_headline(self, linenum: int, match: re.Match) -> int:
# Position reader on the proper headline
stars = match.group("stars")
depth = len(stars)
headline = {
"linenum": linenum,
"orig": match,
"title": match.group("line"),
"contents": [],
"children": [],
"keywords": [],
"properties": [],
"logbook": [],
"structural": [],
"delimiters": [],
"results": [], # TODO: Move to each specific code block?
}
while (depth - 2) > len(self.headline_hierarchy):
# Introduce structural headlines
self.headline_hierarchy.append(None)
while depth < len(self.headline_hierarchy):
self.headline_hierarchy.pop()
if depth == 1:
self.headlines.append(headline)
else:
self.headline_hierarchy[-1]["children"].append(headline)
self.headline_hierarchy.append(headline)
def add_keyword_line(self, linenum: int, match: re.Match) -> int:
options = match.group("options")
kw = Keyword(
linenum,
match,
match.group("key"),
match.group("value"),
options if options is not None else "",
)
if len(self.headline_hierarchy) == 0:
self.keywords.append(kw)
else:
self.headline_hierarchy[-1]["keywords"].append(kw)
def add_raw_line(self, linenum: int, line: str) -> int:
raw = RawLine(linenum, line)
if len(self.headline_hierarchy) == 0:
self.contents.append(raw)
else:
self.headline_hierarchy[-1]["contents"].append(raw)
def add_begin_src_line(self, linenum: int, match: re.Match) -> int:
line = DelimiterLine(linenum, match.group(0), DelimiterLineType.BEGIN_SRC)
if len(self.headline_hierarchy) == 0:
self.delimiters.append(line)
else:
self.headline_hierarchy[-1]["delimiters"].append(line)
def add_end_src_line(self, linenum: int, match: re.Match) -> int:
line = DelimiterLine(linenum, match.group(0), DelimiterLineType.END_SRC)
if len(self.headline_hierarchy) == 0:
self.delimiters.append(line)
else:
self.headline_hierarchy[-1]["delimiters"].append(line)
def add_property_drawer_line(self, linenum: int, line: str, match: re.Match) -> int:
self.current_drawer = self.headline_hierarchy[-1]["properties"]
self.headline_hierarchy[-1]["structural"].append((linenum, line))
def add_results_drawer_line(self, linenum: int, line: str, match: re.Match) -> int:
self.current_drawer = self.headline_hierarchy[-1]["results"]
self.headline_hierarchy[-1]["structural"].append((linenum, line))
def add_logbook_drawer_line(self, linenum: int, line: str, match: re.Match) -> int:
self.current_drawer = self.headline_hierarchy[-1]["logbook"]
self.headline_hierarchy[-1]["structural"].append((linenum, line))
def add_drawer_end_line(self, linenum: int, line: str, match: re.Match) -> int:
self.current_drawer = None
self.headline_hierarchy[-1]["structural"].append((linenum, line))
def add_node_properties_line(self, linenum: int, match: re.Match) -> int:
key = match.group("key")
value = match.group("value").strip()
if (value.count(">--<") == 1) or (value.count("]--[") == 1):
# Time ranges with two different dates
# @TODO properly consider "=> DURATION" section
start, end = value.split("=")[0].split("--")
as_time_range = parse_org_time_range(start, end)
if (as_time_range[0] is not None) and (as_time_range[1] is not None):
value = TimeRange(as_time_range[0], as_time_range[1])
elif as_time := parse_org_time(value):
value = as_time
try:
self.current_drawer.append(Property(linenum, match, key, value, None))
except:
if "current_drawer" not in dir(self): # Throw a better error on this case
raise Exception(
"Found properties before :PROPERTIES: line. Error on Org file?"
)
else:
raise # Let the exception pass
def read(self, s, environment):
lines = s.split("\n")
line_count = len(lines)
reader = enumerate(lines)
for lnum, line in reader:
linenum = lnum + 1
try:
if m := RAW_LINE_RE.match(line):
self.add_raw_line(linenum, line)
elif m := HEADLINE_RE.match(line):
self.add_headline(linenum, m)
# Org-babel
elif m := BEGIN_SRC_RE.match(line):
self.add_begin_src_line(linenum, m)
elif m := END_SRC_RE.match(line):
self.add_end_src_line(linenum, m)
# Generic properties
elif m := KEYWORDS_RE.match(line):
self.add_keyword_line(linenum, m)
elif m := DRAWER_START_RE.match(line):
self.add_property_drawer_line(linenum, line, m)
elif m := DRAWER_END_RE.match(line):
self.add_drawer_end_line(linenum, line, m)
elif m := RESULTS_DRAWER_RE.match(line):
self.add_results_drawer_line(linenum, line, m)
elif m := NODE_PROPERTIES_RE.match(line):
self.add_node_properties_line(linenum, m)
# Not captured
else:
self.add_raw_line(linenum, line)
except:
logging.error("Error line {}: {}".format(linenum + 1, line))
raise
def loads(s, environment=BASE_ENVIRONMENT, extra_cautious=True):
reader = OrgDomReader()
reader.read(s, environment)
doc = reader.finalize()
if extra_cautious: # Check that all options can be properly re-serialized
after_dump = dumps(doc)
if after_dump != s:
diff = list(
difflib.Differ().compare(
s.splitlines(keepends=True), after_dump.splitlines(keepends=True)
)
)
sys.stderr.writelines(diff)
# print("---\n" + after_dump + "\n---")
raise Exception("Difference found between existing version and dumped")
return doc
def load(f, environment=BASE_ENVIRONMENT, extra_cautious=False):
return loads(f.read(), environment, extra_cautious)
def dumps(doc):
dump = list(doc.dump())
result = "\n".join(dump)
# print(result)
return result