jrnl/jrnl/export.py
2019-09-29 08:27:27 -04:00

66 lines
2.6 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
from __future__ import absolute_import, unicode_literals
from .util import ERROR_COLOR, RESET_COLOR
from .util import slugify, u
from .template import Template
import os
import codecs
class Exporter(object):
"""This Exporter can convert entries and journals into text files."""
def __init__(self, format):
with open("jrnl/templates/" + format + ".template") as f:
front_matter, body = f.read().strip("-\n").split("---", 2)
self.template = Template(body)
def export_entry(self, entry):
"""Returns a unicode representation of a single entry."""
return entry.__unicode__()
def _get_vars(self, journal):
return {
'journal': journal,
'entries': journal.entries,
'tags': journal.tags
}
def export_journal(self, journal):
"""Returns a unicode representation of an entire journal."""
return self.template.render_block("journal", **self._get_vars(journal))
def write_file(self, journal, path):
"""Exports a journal into a single file."""
try:
with codecs.open(path, "w", "utf-8") as f:
f.write(self.export_journal(journal))
return "[Journal exported to {0}]".format(path)
except IOError as e:
return "[{2}ERROR{3}: {0} {1}]".format(e.filename, e.strerror, ERROR_COLOR, RESET_COLOR)
def make_filename(self, entry):
return entry.date.strftime("%Y-%m-%d_{0}.{1}".format(slugify(u(entry.title)), self.extension))
def write_files(self, journal, path):
"""Exports a journal into individual files for each entry."""
for entry in journal.entries:
try:
full_path = os.path.join(path, self.make_filename(entry))
with codecs.open(full_path, "w", "utf-8") as f:
f.write(self.export_entry(entry))
except IOError as e:
return "[{2}ERROR{3}: {0} {1}]".format(e.filename, e.strerror, ERROR_COLOR, RESET_COLOR)
return "[Journal exported to {0}]".format(path)
def export(self, journal, format="text", output=None):
"""Exports to individual files if output is an existing path, or into
a single file if output is a file name, or returns the exporter's
representation as unicode if output is None."""
if output and os.path.isdir(output): # multiple files
return self.write_files(journal, output)
elif output: # single file
return self.write_file(journal, output)
else:
return self.export_journal(journal)