mirror of
https://github.com/jrnl-org/jrnl.git
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77 lines
3.1 KiB
Python
77 lines
3.1 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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from __future__ import absolute_import, unicode_literals, print_function
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from .text_exporter import TextExporter
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import re
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import sys
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import yaml
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class YAMLExporter(TextExporter):
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"""This Exporter can convert entries and journals into Markdown with YAML front matter."""
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names = ["yaml"]
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extension = "md"
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@classmethod
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def export_entry(cls, entry, to_multifile=True):
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"""Returns a markdown representation of a single entry, with YAML front matter."""
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if to_multifile is False:
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print("{}ERROR{}: YAML export must be to individual files. Please specify a directory to export to.".format("\033[31m", "\033[0m", file=sys.stderr))
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return
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date_str = entry.date.strftime(entry.journal.config['timeformat'])
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body_wrapper = "\n" if entry.body else ""
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body = body_wrapper + entry.body
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tagsymbols = entry.journal.config['tagsymbols']
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# see also Entry.Entry.rag_regex
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multi_tag_regex = re.compile(r'(?u)^\s*([{tags}][-+*#/\w]+\s*)+$'.format(tags=tagsymbols), re.UNICODE)
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'''Increase heading levels in body text'''
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newbody = ''
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heading = '#'
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previous_line = ''
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warn_on_heading_level = False
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for line in entry.body.splitlines(True):
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if re.match(r"#+ ", line):
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"""ATX style headings"""
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newbody = newbody + previous_line + heading + line
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if re.match(r"#######+ ", heading + line):
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warn_on_heading_level = True
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line = ''
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elif re.match(r"=+$", line) and not re.match(r"^$", previous_line):
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"""Setext style H1"""
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newbody = newbody + heading + "# " + previous_line
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line = ''
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elif re.match(r"-+$", line) and not re.match(r"^$", previous_line):
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"""Setext style H2"""
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newbody = newbody + heading + "## " + previous_line
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line = ''
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elif multi_tag_regex.match(line):
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"""Tag only lines"""
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line = ''
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else:
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newbody = newbody + previous_line
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previous_line = line
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newbody = newbody + previous_line # add very last line
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if warn_on_heading_level is True:
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print("{}WARNING{}: Headings increased past H6 on export - {} {}".format("\033[33m", "\033[0m", date_str, entry.title), file=sys.stderr)
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# top = yaml.dump(entry)
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return "title: {title}\ndate: {date}\nstared: {stared}\ntags: {tags}\n{body} {space}".format(
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date=date_str,
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title=entry.title,
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stared=entry.starred,
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tags=', '.join([tag[1:] for tag in entry.tags]),
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body=newbody,
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space=""
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)
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@classmethod
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def export_journal(cls, journal):
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"""Returns an error, as YAML export requires a directory as a target."""
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print("{}ERROR{}: YAML export must be to individual files. Please specify a directory to export to.".format("\033[31m", "\033[0m", file=sys.stderr))
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return
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