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75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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from .text_exporter import TextExporter
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import os
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import re
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import sys
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from ..util import WARNING_COLOR, RESET_COLOR
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class MarkdownExporter(TextExporter):
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"""This Exporter can convert entries and journals into Markdown."""
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names = ["md", "markdown"]
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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."""
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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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if to_multifile is True:
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heading = '#'
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else:
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heading = '###'
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'''Increase heading levels in body text'''
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newbody = ''
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previous_line = ''
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warn_on_heading_level = False
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for line in 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"^=+$", line.rstrip()) and not re.match(r"^$", previous_line.strip()):
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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"^-+$", line.rstrip()) and not re.match(r"^$", previous_line.strip()):
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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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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(f"{WARNING_COLOR}WARNING{RESET_COLOR}: "
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f"Headings increased past H6 on export - {date_str} {entry.title}",
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file=sys.stderr)
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return f"{heading} {date_str} {entry.title}\n{newbody} "
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@classmethod
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def export_journal(cls, journal):
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"""Returns a Markdown representation of an entire journal."""
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out = []
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year, month = -1, -1
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for e in journal.entries:
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if not e.date.year == year:
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year = e.date.year
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out.append("# " + str(year))
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out.append("")
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if not e.date.month == month:
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month = e.date.month
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out.append("## " + e.date.strftime("%B"))
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out.append("")
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out.append(cls.export_entry(e, False))
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result = "\n".join(out)
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return result
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