fix: NoneType error on JSON output without position (#199)

.scripts/tests-e2e.sh

@@ -98,6 +98,8 @@ assertSuccess "$KOSMORRO_COMMAND --latitude=50.5876 --longitude=3.0624 -d 2020-0
 assertSuccess "$KOSMORRO_COMMAND --latitude=50.5876 --longitude=3.0624 -d 2020-01-27 --format=json"
 assertFailure "$KOSMORRO_COMMAND --latitude=50.5876 --longitude=3.0624 -d 2020-01-27 --format=pdf"
 
+assertSuccess "$KOSMORRO_COMMAND -d 2020-01-27 --format=json"
+
 # Environment variables
 assertSuccess "LATITUDE=50.5876 LONGITUDE=3.0624 TIMEZONE=1 kosmorro -d 2020-01-27"
 assertSuccess "LATITUDE=50.5876 LONGITUDE=3.0624 TIMEZONE=-1 kosmorro -d 2020-01-27"

_kosmorro/dumper.py

@@ -43,15 +43,23 @@ from .debug import debug_print
 
 
 class Dumper(ABC):
+    ephemerides: [AsterEphemerides]
+    moon_phase: MoonPhase
+    events: [Event]
+    date: datetime.date
+    timezone: int
+    with_colors: bool
+    show_graph: bool
+
     def __init__(
         self,
-        ephemerides: [AsterEphemerides] = None,
-        moon_phase: MoonPhase = None,
-        events: [Event] = None,
-        date: datetime.date = datetime.date.today(),
-        timezone: int = 0,
-        with_colors: bool = True,
-        show_graph: bool = False,
+        ephemerides: [AsterEphemerides],
+        moon_phase: MoonPhase,
+        events: [Event],
+        date: datetime.date,
+        timezone: int,
+        with_colors: bool,
+        show_graph: bool,
     ):
         self.ephemerides = ephemerides
         self.moon_phase = moon_phase
@@ -99,7 +107,7 @@ class TextDumper(Dumper):
     def to_string(self):
         text = [self.style(self.get_date_as_string(capitalized=True), "h1")]
 
-        if self.ephemerides is not None:
+        if len(self.ephemerides) > 0:
             text.append(self.stringify_ephemerides())
 
         text.append(self.get_moon(self.moon_phase))

_kosmorro/locales/messages.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: kosmorro 0.10.1\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-07-19 12:19+0200\n"
+"POT-Creation-Date: 2021-08-26 11:37+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -27,76 +27,76 @@ msgid ""
 "offset format."
 msgstr ""
 
-#: _kosmorro/dumper.py:111
+#: _kosmorro/dumper.py:119
 msgid "Expected events:"
 msgstr ""
 
-#: _kosmorro/dumper.py:118
+#: _kosmorro/dumper.py:126
 msgid "Note: All the hours are given in UTC."
 msgstr ""
 
-#: _kosmorro/dumper.py:125
+#: _kosmorro/dumper.py:133
 msgid "Note: All the hours are given in the UTC{offset} timezone."
 msgstr ""
 
-#: _kosmorro/dumper.py:193 _kosmorro/dumper.py:323
+#: _kosmorro/dumper.py:201 _kosmorro/dumper.py:331
 msgid "Object"
 msgstr ""
 
-#: _kosmorro/dumper.py:194 _kosmorro/dumper.py:324
+#: _kosmorro/dumper.py:202 _kosmorro/dumper.py:332
 msgid "Rise time"
 msgstr ""
 
-#: _kosmorro/dumper.py:195 _kosmorro/dumper.py:326
+#: _kosmorro/dumper.py:203 _kosmorro/dumper.py:334
 msgid "Culmination time"
 msgstr ""
 
-#: _kosmorro/dumper.py:196 _kosmorro/dumper.py:328
+#: _kosmorro/dumper.py:204 _kosmorro/dumper.py:336
 msgid "Set time"
 msgstr ""
 
-#: _kosmorro/dumper.py:224
+#: _kosmorro/dumper.py:232
 msgid "Moon phase is unavailable for this date."
 msgstr ""
 
-#: _kosmorro/dumper.py:228 _kosmorro/dumper.py:332
+#: _kosmorro/dumper.py:236 _kosmorro/dumper.py:340
 msgid "Moon phase:"
 msgstr ""
 
-#: _kosmorro/dumper.py:232
+#: _kosmorro/dumper.py:240
 msgid "{next_moon_phase} on {next_moon_phase_date} at {next_moon_phase_time}"
 msgstr ""
 
-#: _kosmorro/dumper.py:296
+#: _kosmorro/dumper.py:304
 msgid "Overview of your sky"
 msgstr ""
 
-#: _kosmorro/dumper.py:304
+#: _kosmorro/dumper.py:312
 msgid ""
 "This document summarizes the ephemerides and the events of {date}. It "
 "aims to help you to prepare your observation session. All the hours are "
 "given in {timezone}."
 msgstr ""
 
-#: _kosmorro/dumper.py:314
+#: _kosmorro/dumper.py:322
 msgid ""
 "Don't forget to check the weather forecast before you go out with your "
 "equipment."
 msgstr ""
 
-#: _kosmorro/dumper.py:321
+#: _kosmorro/dumper.py:329
 msgid "Ephemerides of the day"
 msgstr ""
 
-#: _kosmorro/dumper.py:330
+#: _kosmorro/dumper.py:338
 msgid "hours"
 msgstr ""
 
-#: _kosmorro/dumper.py:337
+#: _kosmorro/dumper.py:345
 msgid "Expected events"
 msgstr ""
 
-#: _kosmorro/dumper.py:491
+#: _kosmorro/dumper.py:499
 msgid ""
 "Building PDF was not possible, because some dependencies are not "
 "installed.\n"
@@ -104,7 +104,7 @@ msgid ""
 "pdf/ for more information."
 msgstr ""
 
-#: _kosmorro/dumper.py:544
+#: _kosmorro/dumper.py:552
 #, python-format
 msgid ""
 "An error occurred during the compilation of the PDF.\n"

_kosmorro/main.py

@@ -152,7 +152,7 @@ def get_information(
         except OutOfRangeDateError as error:
             raise DateRangeError(error.min_date, error.max_date)
     else:
-        eph = None
+        eph = []
 
     try:
         moon_phase = get_moon_phase(compute_date)