mirror of
https://github.com/jrnl-org/jrnl.git
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247 lines
9.4 KiB
Python
247 lines
9.4 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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from __future__ import absolute_import, unicode_literals
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from . import Entry
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from . import util
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from . import time
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import os
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import sys
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import codecs
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import re
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from datetime import datetime
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class Journal(object):
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def __init__(self, name='default', **kwargs):
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self.config = {
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'journal': "journal.txt",
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'encrypt': False,
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'default_hour': 9,
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'default_minute': 0,
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'timeformat': "%Y-%m-%d %H:%M",
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'tagsymbols': '@',
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'highlight': True,
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'linewrap': 80,
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}
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self.config.update(kwargs)
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# Set up date parser
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self.search_tags = None # Store tags we're highlighting
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self.name = name
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def __len__(self):
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"""Returns the number of entries"""
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return len(self.entries)
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def open(self, filename=None):
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"""Opens the journal file defined in the config and parses it into a list of Entries.
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Entries have the form (date, title, body)."""
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filename = filename or self.config['journal']
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text = self._load(filename)
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self.entries = self._parse(text)
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self.sort()
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return self
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def write(self, filename=None):
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"""Dumps the journal into the config file, overwriting it"""
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filename = filename or self.config['journal']
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text = "\n".join([e.__unicode__() for e in self.entries])
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self._store(filename, text)
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def _load(self, filename):
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raise NotImplementedError
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def _store(self, filename, text):
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raise NotImplementedError
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def _parse(self, journal_txt):
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"""Parses a journal that's stored in a string and returns a list of entries"""
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# Entries start with a line that looks like 'date title' - let's figure out how
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# long the date will be by constructing one
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date_length = len(datetime.today().strftime(self.config['timeformat']))
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# Initialise our current entry
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entries = []
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current_entry = None
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for line in journal_txt.splitlines():
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line = line.rstrip()
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try:
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# try to parse line as date => new entry begins
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new_date = datetime.strptime(line[:date_length], self.config['timeformat'])
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# parsing successful => save old entry and create new one
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if new_date and current_entry:
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entries.append(current_entry)
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if line.endswith("*"):
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starred = True
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line = line[:-1]
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else:
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starred = False
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current_entry = Entry.Entry(self, date=new_date, title=line[date_length+1:], starred=starred)
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except ValueError:
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# Happens when we can't parse the start of the line as an date.
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# In this case, just append line to our body.
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if current_entry:
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current_entry.body += line + "\n"
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# Append last entry
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if current_entry:
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entries.append(current_entry)
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for entry in entries:
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entry.parse_tags()
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return entries
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def __unicode__(self):
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return self.pprint()
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def pprint(self, short=False):
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"""Prettyprints the journal's entries"""
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sep = "\n"
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pp = sep.join([e.pprint(short=short) for e in self.entries])
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if self.config['highlight']: # highlight tags
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if self.search_tags:
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for tag in self.search_tags:
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tagre = re.compile(re.escape(tag), re.IGNORECASE)
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pp = re.sub(tagre,
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lambda match: util.colorize(match.group(0)),
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pp, re.UNICODE)
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else:
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pp = re.sub( Entry.Entry.tag_regex(self.config['tagsymbols']),
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lambda match: util.colorize(match.group(0)),
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pp)
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return pp
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def __repr__(self):
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return "<Journal with {0} entries>".format(len(self.entries))
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def sort(self):
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"""Sorts the Journal's entries by date"""
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self.entries = sorted(self.entries, key=lambda entry: entry.date)
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def limit(self, n=None):
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"""Removes all but the last n entries"""
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if n:
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self.entries = self.entries[-n:]
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def filter(self, tags=[], start_date=None, end_date=None, starred=False, strict=False, short=False):
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"""Removes all entries from the journal that don't match the filter.
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tags is a list of tags, each being a string that starts with one of the
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tag symbols defined in the config, e.g. ["@John", "#WorldDomination"].
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start_date and end_date define a timespan by which to filter.
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starred limits journal to starred entries
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If strict is True, all tags must be present in an entry. If false, the
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entry is kept if any tag is present."""
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self.search_tags = set([tag.lower() for tag in tags])
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end_date = time.parse(end_date, inclusive=True)
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start_date = time.parse(start_date)
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# If strict mode is on, all tags have to be present in entry
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tagged = self.search_tags.issubset if strict else self.search_tags.intersection
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result = [
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entry for entry in self.entries
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if (not tags or tagged(entry.tags))
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and (not starred or entry.starred)
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and (not start_date or entry.date >= start_date)
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and (not end_date or entry.date <= end_date)
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]
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if short:
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if tags:
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for e in self.entries:
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res = []
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for tag in tags:
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matches = [m for m in re.finditer(tag, e.body)]
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for m in matches:
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date = e.date.strftime(self.config['timeformat'])
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excerpt = e.body[m.start():min(len(e.body), m.end()+60)]
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res.append('{0} {1} ..'.format(date, excerpt))
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e.body = "\n".join(res)
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else:
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for e in self.entries:
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e.body = ''
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self.entries = result
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def new_entry(self, raw, date=None, sort=True):
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"""Constructs a new entry from some raw text input.
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If a date is given, it will parse and use this, otherwise scan for a date in the input first."""
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raw = raw.replace('\\n ', '\n').replace('\\n', '\n')
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starred = False
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# Split raw text into title and body
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sep = re.search("\n|[\?!.]+ +\n?", raw)
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title, body = (raw[:sep.end()], raw[sep.end():]) if sep else (raw, "")
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starred = False
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if not date:
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if title.find(": ") > 0:
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starred = "*" in title[:title.find(": ")]
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date = time.parse(title[:title.find(": ")], default_hour=self.config['default_hour'], default_minute=self.config['default_minute'])
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if date or starred: # Parsed successfully, strip that from the raw text
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title = title[title.find(": ")+1:].strip()
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elif title.strip().startswith("*"):
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starred = True
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title = title[1:].strip()
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elif title.strip().endswith("*"):
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starred = True
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title = title[:-1].strip()
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if not date: # Still nothing? Meh, just live in the moment.
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date = time.parse("now")
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entry = Entry.Entry(self, date, title, body, starred=starred)
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entry.modified = True
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self.entries.append(entry)
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if sort:
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self.sort()
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return entry
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def editable_str(self):
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"""Turns the journal into a string of entries that can be edited
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manually and later be parsed with eslf.parse_editable_str."""
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return "\n".join([e.__unicode__() for e in self.entries])
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def parse_editable_str(self, edited):
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"""Parses the output of self.editable_str and updates it's entries."""
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mod_entries = self._parse(edited)
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# Match those entries that can be found in self.entries and set
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# these to modified, so we can get a count of how many entries got
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# modified and how many got deleted later.
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for entry in mod_entries:
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entry.modified = not any(entry == old_entry for old_entry in self.entries)
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self.entries = mod_entries
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class PlainJournal(Journal):
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def __init__(self, name='default', **kwargs):
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super(PlainJournal, self).__init__(name, **kwargs)
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def _load(self, filename):
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with codecs.open(filename, "r", "utf-8") as f:
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return f.read()
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def _store(self, filename, text):
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with codecs.open(filename, 'w', "utf-8") as f:
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f.write(text)
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def open_journal(name, config):
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"""
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Creates a normal, encrypted or DayOne journal based on the passed config.
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"""
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if os.path.isdir(config['journal']):
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if config['journal'].strip("/").endswith(".dayone") or "entries" in os.listdir(config['journal']):
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from . import DayOneJournal
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return DayOneJournal.DayOne(**config).open()
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else:
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util.prompt(u"[Error: {0} is a directory, but doesn't seem to be a DayOne journal either.".format(config['journal']))
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sys.exit(1)
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if not config['encrypt']:
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return PlainJournal(name, **config).open()
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else:
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from . import EncryptedJournal
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return EncryptedJournal.EncryptedJournal(name, **config).open()
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