argparser

src/tww/data/custom_dt.csv

@@ -0,0 +1,5 @@
+christmas,25 december
+xmas,25 december
+new years eve,31 december 23:59:59
+new years,31 december 23:59:59
+end of workday,17:00

src/tww/tokenizer.py

@@ -1,3 +1,4 @@
+import argparse
 import json
 import locale
 import re
@@ -5,12 +6,15 @@ import sys
 from datetime import datetime
 
 from pygments import highlight, lexers, formatters
+from scalpl import Cut
 
 from localization import setlocale, resolve_locale
 from tww import ISO_FORMAT, time_to_emoji, time_ago, workday_diff, workhours_diff, td_remainders, td_totals, td_iso8601
 from tww import resolve_timezone, dateparser_parse_dt, get_utcnow, get_s_since_epoch, get_ms_since_epoch, \
     dt_tz_translation, get_local_now, query_to_format_result
 
+custom_locale = None
+
 r_generic = re.compile('(.*)', flags=re.IGNORECASE)
 r_time_in_epoch_s_now = re.compile('(?:time since epoch|seconds since epoch)', flags=re.IGNORECASE)
 r_time_in_epoch_s2 = re.compile('(.*)?\s*(?:in|to)\s*(?:epoch|seconds since epoch|seconds)', flags=re.IGNORECASE)
@@ -33,42 +37,40 @@ r_timezone = re.compile('(.*)?\s(?:timezone|timezones|tz)', flags=re.IGNORECASE)
 r_timezone_2 = re.compile('(?:timezone in|timezones in|tz in|timezone|timezones|tz)\s(.*)?', flags=re.IGNORECASE)
 
 
-def handler_time_s(dt_s: str) -> int:
+def handler_time(dt_s):
-    return get_s_since_epoch(dateparser_parse_dt(dt_s))
+    return dateparser_parse_dt(dt_s)
 
 
-def handler_time_ms(dt_s: str) -> int:
+def handler_time_now_local():
-    return get_ms_since_epoch(dateparser_parse_dt(dt_s))
+    return get_local_now()
 
 
-def handler_time_s_now_local() -> int:
+def handler_time_now_utc():
-    return get_s_since_epoch(get_local_now())
+    return get_utcnow()
 
 
-def handler_time_ms_now_local() -> int:
+def dt_normalize(start_dt, end_dt) -> (datetime, datetime):
-    return get_ms_since_epoch(get_local_now())
+    if type(start_dt) is str:
+        start_dt = dateparser_parse_dt(start_dt)
+    if type(end_dt) is str:
+        end_dt = dateparser_parse_dt(end_dt)
+    return start_dt, end_dt
 
 
-def handler_time_s_now_utc() -> int:
+def handler_time_diff(start_dt, end_dt) -> dict:
-    return get_s_since_epoch(get_utcnow())
+    start_dt, end_dt = dt_normalize(start_dt, end_dt)
-
+    diff = start_dt - end_dt
-
-def handler_time_ms_now_utc() -> int:
-    return get_ms_since_epoch(get_utcnow())
-
-
-def handler_time_diff(start_dt: datetime, end_dt: datetime) -> dict:
-    diff = end_dt - start_dt
     return dict(start=dt_pretty(start_dt),
                 end=dt_pretty(end_dt),
                 diff=td_pretty(diff))
 
 
 def handler_time_since_until(start_dt_s: str) -> dict:
-    return handler_time_diff(dateparser_parse_dt(start_dt_s), get_local_now())
+    return handler_time_diff(start_dt_s, get_local_now())
 
 
-def handler_workdays_diff(start_dt: datetime, end_dt: datetime) -> dict:
+def handler_workdays_diff(start_dt, end_dt) -> dict:
+    start_dt, end_dt = dt_normalize(start_dt, end_dt)
     diff = workday_diff(start_dt, end_dt)
     return dict(start=dt_pretty(start_dt),
                 end=dt_pretty(end_dt),
@@ -79,7 +81,8 @@ def handler_workdays_since_until(start_dt_s: str) -> dict:
     return handler_workdays_diff(dateparser_parse_dt(start_dt_s), get_local_now())
 
 
-def handler_workhours_diff(start_dt: datetime, end_dt: datetime) -> dict:
+def handler_workhours_diff(start_dt, end_dt) -> dict:
+    start_dt, end_dt = dt_normalize(start_dt, end_dt)
     diff = workhours_diff(start_dt, end_dt)
     return dict(start=dt_pretty(start_dt),
                 end=dt_pretty(end_dt),
@@ -91,6 +94,8 @@ def handler_workhours_since_until(start_dt_s: str) -> dict:
 
 
 def handler_timezone_translation(dt_s: str, timezone_like_s: str) -> dict:
+    if dt_s.lower().strip() == "time":
+        dt_s = "now"
     src_dt = dateparser_parse_dt(dt_s)
     tz = resolve_timezone(timezone_like_s)
     if not tz:
@@ -102,7 +107,7 @@ def handler_timezone_translation(dt_s: str, timezone_like_s: str) -> dict:
 
 
 def handler_generic_parser(dt_s: str) -> datetime:
-    return query_to_format_result(dt_s, None)
+    return dateparser_parse_dt(dt_s)
 
 
 def handler_time_in_parser(dt_s: str) -> datetime:
@@ -118,29 +123,38 @@ QUERY_TYPE_DT = "datetime_details"
 QUERY_TYPE_TZ = "timezone"
 QUERY_TYPE_TD = "timedelta"
 
+h_default = ''
+h_unix_s = 'dt->unix_s'
+h_unix_ms = 'dt->unix_ms'
+h_tz_offset = 'tz->tz_offset'
+h_time_in = 'dt->hh:mm'
+h_translation = 'dst_dt->iso8601_full'
+h_default_dt = 'dt->iso8601_full'
+h_default_td = 'diff->duration_iso8601'
+
 regex_handlers = [
-    (r_time_in_epoch_s_now, handler_time_s_now_local, QUERY_TYPE_DT),
+    (r_time_in_epoch_s_now, handler_time_now_local, QUERY_TYPE_DT, h_unix_s),
-    (r_time_in_epoch_s_now, handler_time_s_now_utc, QUERY_TYPE_DT),
+    (r_time_in_epoch_s_now, handler_time_now_utc, QUERY_TYPE_DT, h_unix_s),
-    (r_time_in_epoch_s2, handler_time_s, QUERY_TYPE_DT),
+    (r_time_in_epoch_s2, handler_time, QUERY_TYPE_DT, h_unix_s),
-    (r_time_in_epoch_s3, handler_time_s, QUERY_TYPE_DT),
+    (r_time_in_epoch_s3, handler_time, QUERY_TYPE_DT, h_unix_s),
-    (r_time_in_epoch_ms_now, handler_time_ms_now_local, QUERY_TYPE_DT),
+    (r_time_in_epoch_ms_now, handler_time_now_local, QUERY_TYPE_DT, h_unix_ms),
-    (r_time_in_epoch_ms_now, handler_time_ms_now_utc, QUERY_TYPE_DT),
+    (r_time_in_epoch_ms_now, handler_time_now_utc, QUERY_TYPE_DT, h_unix_ms),
-    (r_time_in_epoch_ms2, handler_time_ms, QUERY_TYPE_DT),
+    (r_time_in_epoch_ms2, handler_time, QUERY_TYPE_DT, h_unix_ms),
-    (r_time_in_epoch_ms3, handler_time_ms, QUERY_TYPE_DT),
+    (r_time_in_epoch_ms3, handler_time, QUERY_TYPE_DT, h_unix_ms),
-    (r_timezone_translation, handler_timezone_translation, QUERY_TYPE_DT_TR),
+    (r_timezone_translation, handler_timezone_translation, QUERY_TYPE_DT_TR, h_translation),
-    (r_time_since, handler_time_since_until, QUERY_TYPE_TD),
+    (r_time_since, handler_time_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_time_until, handler_time_since_until, QUERY_TYPE_TD),
+    (r_time_until, handler_time_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_time_between, handler_time_diff, QUERY_TYPE_TD),
+    (r_time_between, handler_time_diff, QUERY_TYPE_TD, h_default_td),
-    (r_workdays_since, handler_workdays_since_until, QUERY_TYPE_TD),
+    (r_workdays_since, handler_workdays_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_workdays_until, handler_workdays_since_until, QUERY_TYPE_TD),
+    (r_workdays_until, handler_workdays_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_workdays_between, handler_workdays_diff, QUERY_TYPE_TD),
+    (r_workdays_between, handler_workdays_diff, QUERY_TYPE_TD, h_default_td),
-    (r_workhours_since, handler_workhours_since_until, QUERY_TYPE_TD),
+    (r_workhours_since, handler_workhours_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_workhours_until, handler_workhours_since_until, QUERY_TYPE_TD),
+    (r_workhours_until, handler_workhours_since_until, QUERY_TYPE_TD, h_default_td),
-    (r_workhours_between, handler_workhours_diff, QUERY_TYPE_TD),
+    (r_workhours_between, handler_workhours_diff, QUERY_TYPE_TD, h_default_td),
-    (r_time_in, handler_time_in_parser, QUERY_TYPE_DT),
+    (r_time_in, handler_time_in_parser, QUERY_TYPE_DT, h_time_in),
-    (r_timezone, handler_timezone, QUERY_TYPE_TZ),
+    (r_timezone, handler_timezone, QUERY_TYPE_TZ, h_tz_offset),
-    (r_timezone_2, handler_timezone, QUERY_TYPE_TZ),
+    (r_timezone_2, handler_timezone, QUERY_TYPE_TZ, h_tz_offset),
-    (r_generic, handler_generic_parser, QUERY_TYPE_DT),
+    (r_generic, handler_generic_parser, QUERY_TYPE_DT, h_default_dt),
 ]
 
 
@@ -156,7 +170,7 @@ def try_regex(r, s):
 
 def tokenize(s):
     solutions = []
-    for r, h, t in regex_handlers:
+    for r, h, t, hi in regex_handlers:
         g = try_regex(r, s)
         if g is not None:
             try:
@@ -164,7 +178,7 @@ def tokenize(s):
             except Exception as e:
                 continue
             if result is not None:
-                solutions.append((h.__name__, result, t))
+                solutions.append((h.__name__, result, t, hi))
     return solutions
 
 
@@ -174,6 +188,20 @@ def pretty_print_dict(obj):
     print(colorful_json)
 
 
+def show_magic_results(obj, args):
+    for solution in obj['solutions']:
+        entry_proxy = Cut(solution, sep='->')
+        highlight_entry = solution["highlight"]
+        try:
+            highlight_result = entry_proxy[highlight_entry]
+        except Exception as e:
+            continue
+        if args.handlers:
+            print("{} -> {}".format(solution['handler'], highlight_result))
+        else:
+            print(highlight_result)
+
+
 def dt_pretty(dt):
     rv = {}
     global custom_locale
@@ -200,7 +228,7 @@ def dt_pretty(dt):
 
 def td_pretty(td):
     rv = {
-        "sign": '-' if td.days < 0 else '+',
+        "sign": '-' if td.days > 0 else '+',
         "in_the": 'future' if td.days < 0 else 'past',
         "time_ago": time_ago(td),
         "duration_iso8601": td_iso8601(td),
@@ -214,7 +242,7 @@ def resolve_query_type(query):
     solutions = tokenize(query)
     if not solutions:
         dt = get_local_now()
-        return [["now", dt, QUERY_TYPE_DT]]
+        return [["now", dt, QUERY_TYPE_DT, h_default]]
     return solutions
 
 
@@ -226,9 +254,10 @@ def resolve_query(query):
     solutions = resolve_query_type(query)
     for solution in solutions:
         element = {}
-        handler, results, query_type = solution
+        handler, results, query_type, hi = solution
         element["handler"] = handler
         element["query_type"] = query_type
+        element["highlight"] = hi
         try:
             if query_type == QUERY_TYPE_DT:
                 element["dt"] = dt_pretty(results)
@@ -241,8 +270,8 @@ def resolve_query(query):
             elif query_type == QUERY_TYPE_TD:
                 element["timedelta"] = results
             rv["solutions"].append(element)
-        except Exception:
+        except Exception as e:
-            ...
+            continue
     return rv
 
 
@@ -273,10 +302,27 @@ def test():
         print("{} -> {}".format(s, resolve_query(s)))
 
 
-if __name__ == "__main__":
+def parse_args():
-    custom_locale = ""
+    parser = argparse.ArgumentParser()
-    custom_locale = resolve_locale(custom_locale)
+    parser.add_argument('query', nargs='*', default="now", help="freeform")
-    query = ' '.join(sys.argv[1:])
+    parser.add_argument('--locale', dest='locale')
-    # query = "workhours until 2/12/2020 12:00"
+    parser.add_argument('--handlers', dest='handlers', action='store_true')
+    parser.add_argument('--full', dest='full', action='store_true')
+    args = parser.parse_args()
+    return args
+
+
+def main(args):
+    global custom_locale
+    custom_locale = resolve_locale(args.locale)
+    query = ' '.join(args.query)
+    query = "time in sofia"
     result = resolve_query(query)
-    pretty_print_dict(result)
+    if args.full:
+        pretty_print_dict(result)
+    show_magic_results(result, args)
+
+
+if __name__ == "__main__":
+    args = parse_args()
+    main(args)

src/tww/tww.py

@@ -4,9 +4,11 @@ Find time now, in the past or future in any timezone or location.
 """
 
 import argparse
+import csv
 import datetime
 import logging
 import os
+import re
 from collections import defaultdict
 
 import dateparser
@@ -18,6 +20,7 @@ from datetimerange import DateTimeRange
 from dateutil.parser import parse as dutil_parse
 from dateparser.timezone_parser import StaticTzInfo
 from dateutil.tz import gettz, tzlocal
+from fuzzywuzzy import fuzz
 from pytz import timezone
 from pytz.exceptions import UnknownTimeZoneError
 
@@ -134,8 +137,6 @@ def create_if_not_exists(fname):
 
 
 def write_to_cache(query, location):
-    import csv
-
     logger.debug("Writing location to cache")
     with open(os.path.join(basepath, "data", ".cache.csv"), 'a+') as wf:
         cachewriter = csv.writer(wf)
@@ -156,9 +157,7 @@ def resolve_location_local(query):
     """
     Find a location by searching in local db of countries and cities
     """
-    import csv
     from heapq import heappush, heappop
-    from fuzzywuzzy import fuzz
 
     query = query.lower()
     create_if_not_exists(os.path.join(basepath, "data", ".cache.csv"))
@@ -473,10 +472,113 @@ def tzinfo_from_offset(offset: str) -> pytz.timezone:
     return None, []
 
 
-def dateparser_parse_dt(s: str):
+def custom_dt_parse(query):
-    # print("Dateparser query: {}".format(s))
+    with open(os.path.join(basepath, "data", "custom_dt.csv")) as f:
+        cfile = csv.reader(f)
+        for row in cfile:
+            entry = row[0]
+            fuzz_query = query.lower().strip()
+            fuzz_ratio = fuzz.ratio(fuzz_query, entry)
+            if fuzz_ratio >= 95:
+                return row[1]
+    return query
+
+
+r_next = re.compile('(?:next)?\s*(.*)', flags=re.IGNORECASE)
+r_prev = re.compile('(?:last|prev|previous)?\s*(.*)', flags=re.IGNORECASE)
+r_this = re.compile('(?:this|that)?\s*(.*)', flags=re.IGNORECASE)
+
+
+def get_local_now_parsed(s):
+    now = get_local_now()
+    now = now.replace(hour=0, minute=0, second=0, microsecond=0)
+    parsed = parse_dt(s)
+    parsed = parsed.replace(tzinfo=now.tzinfo)
+    return now, parsed
+
+
+def get_week_start_end(dt):
+    start = dt - timedelta(days=dt.weekday())
+    end = start + timedelta(days=6)
+    return start, end
+
+
+def handler_next_weekday(s):
+    now, parsed = get_local_now_parsed(s)
+    week_start, week_end = get_week_start_end(now)
+    if parsed > week_end:
+        # parsed is in next week
+        return str(parsed)
+    if week_start <= parsed <= week_end:
+        # parsed is in this week
+        return str(parsed + timedelta(days=7))
+    else:
+        # parsed is in previous week
+        return str(parsed + timedelta(days=14))
+
+
+def handler_prev_weekday(s):
+    now, parsed = get_local_now_parsed(s)
+    week_start, week_end = get_week_start_end(now)
+    if parsed > week_end:
+        # parsed is in next week
+        return str(parsed - timedelta(days=14))
+    if week_start <= parsed <= week_end:
+        # parsed is in this week
+        return str(parsed - timedelta(days=7))
+    else:
+        # parsed is in previous week
+        return str(parsed)
+
+
+def handler_this_weekday(s):
+    now, parsed = get_local_now_parsed(s)
+    week_start, week_end = get_week_start_end(now)
+    if parsed > week_end:
+        # parsed is in next week
+        return str(parsed - timedelta(days=7))
+    if week_start <= parsed <= week_end:
+        # parsed is in this week
+        return str(parsed)
+    else:
+        # parsed is in previous week
+        return str(parsed + timedelta(days=7))
+
+
+def try_regex(r, s):
+    try:
+        m = re.match(r, s)
+    except:
+        return None
+    if m:
+        groups = m.groups()
+        return groups
+
+
+regex_handlers = [
+    (r_next, handler_next_weekday),
+    (r_prev, handler_prev_weekday),
+    (r_this, handler_this_weekday),
+]
+
+
+def regex_parsers(s):
+    for r, h in regex_handlers:
+        g = try_regex(r, s)
+        if g is not None:
+            try:
+                result = h(*g)
+            except Exception as e:
+                continue
+            if result is not None:
+                return result
+    return s
+
+
+def dateparser_parse_dt(s: str):
+    s = custom_dt_parse(s)
+    s = regex_parsers(s)
     parsed = parse_dt(s)
-    # print("Dateparser parsed query: {}".format(parsed))
     if not parsed:
         parsed = dutil_parse(s)
         if not parsed:
@@ -643,11 +745,11 @@ def workhours_diff(start, end, workhour_begin="09:00", workhour_end="17:00", wor
 def td_remainders(td):
     # split seconds to larger units
     seconds = td.total_seconds()
-    minutes, seconds = divmod(seconds, 60)
+    minutes, seconds = divmod(abs(int(seconds)), 60)
-    hours, minutes = divmod(minutes, 60)
+    hours, minutes = divmod(abs(int(minutes)), 60)
-    days, hours = divmod(hours, 24)
+    days, hours = divmod(abs(int(hours)), 24)
-    months, days = divmod(days, 30.42)
+    months, days = divmod(abs(int(days)), 30.42)
-    years, months = divmod(months, 12)
+    years, months = divmod(abs(int(months)), 12)
     years, months, days, hours, minutes, seconds = map(int, (years, months, days, hours, minutes, seconds))
     years, months, days, hours, minutes, seconds = map(abs, (years, months, days, hours, minutes, seconds))
     return dict(
@@ -662,12 +764,12 @@ def td_remainders(td):
 
 def td_totals(td):
     seconds = td.total_seconds()
-    minutes = seconds // 60
+    minutes = seconds / 60
-    hours = seconds // (60 * 60)
+    hours = seconds / (60 * 60)
-    days = seconds // (24 * 60 * 60)
+    days = seconds / (24 * 60 * 60)
-    weeks = seconds // (7 * 24 * 60 * 60)
+    weeks = seconds / (7 * 24 * 60 * 60)
-    months = seconds // (30 * 24 * 60 * 60)
+    months = seconds / (30 * 24 * 60 * 60)
-    years = seconds // (365 * 24 * 60 * 60)
+    years = seconds / (365 * 24 * 60 * 60)
     years, months, weeks, days, hours, minutes, seconds = map(abs,
                                                               (years, months, weeks, days, hours, minutes, seconds))
     return dict(