Import various text files into DayOne without using the DayOne CLI.

import_dayone.py

#
# Usage: mkdir /tmp/export; find path -name *.html | xargs python
# import_dayone.py | tee /tmp/export.log
#

import datetime
import plistlib
import pytz
import uuid
import sys

def chop_microseconds(delta):
    return delta - datetime.timedelta(microseconds=delta.microsecond)

def dayone_timestamp(t=None):
    if not t:
        t = datetime.datetime.now(pytz.utc)
    now = chop_microseconds(t)
    return now

def dayone_uuid():
    # https://dayone.zendesk.com/hc/en-us/articles/200145785-How-is-the-file-name-generated-for-each-entry-
    return str(uuid.uuid4()).replace("-", "").upper()

def dayone_entry(date, text):
    # https://dayone.zendesk.com/hc/en-us/articles/200145845-What-file-format-is-used-for-my-journal-
    entry = {}
    entry["Creation Date"] = dayone_timestamp(date)
    entry["Creator"] = {
        "Device Agent": "iPad/iPad2,5",
        "Generation Date": dayone_timestamp(),
        "Host Name": "ImportedPython",
        "OS Agent": "iOS/7.0.4",
        "Software Agent": "Day One iOS/1.12",
    }
    entry["Entry Text"] = text
    entry["Time Zone"] = "America/New_York"
    entry["Starred"] = False
    entry["UUID"] = dayone_uuid()
    return entry

def get_body(fh):
    lines = fh.readlines()
    # Deal with my various formats
    if lines[0].strip() == "---":
        print "... as YAML"
        lines.pop(0)
        while lines[0].strip() != "---":
            lines.pop(0)
        lines.pop(0)
    elif lines[1].startswith("----"):
        print "... as MD"
        lines = lines[3:]
    else:
        print "... as unknown"
    return ''.join(lines).strip()

def date_from(path):
    # assumes yyyy/mm/dd.html files
    (y, m, d) = path.split("/")
    d, _ = d.split(".")
    return datetime.datetime(int(y), int(m), int(d), 12, 1, tzinfo=pytz.utc)

for path in sys.stdin:
    path = path.strip()
    print "Importing", path

    date = date_from(path)
    with open(path) as fh:
        text = get_body(fh)
    entry = dayone_entry(date, text)
    outpath = "/tmp/export/" + entry["UUID"] + ".doentry"
    plistlib.writePlist(entry, outpath)
    print "...", outpath