refactor: replace SentenceParser._parse_special with pre-parsed papers

2020.ics

@@ -35,13 +35,6 @@ DTSTAMP;VALUE=DATE:20200124
 UID:2020-01-24/2020-02-03/NateScarlet/holiday-cn
 END:VEVENT
 BEGIN:VEVENT
-SUMMARY:上班(补春节假期)
-DTSTART;VALUE=DATE:20200203
-DTEND;VALUE=DATE:20200204
-DTSTAMP;VALUE=DATE:20200203
-UID:2020-02-03/2020-02-04/NateScarlet/holiday-cn
-END:VEVENT
-BEGIN:VEVENT
 SUMMARY:清明节假期
 DTSTART;VALUE=DATE:20200404
 DTEND;VALUE=DATE:20200407

2020.json

@@ -67,11 +67,6 @@
             "date": "2020-02-02",
             "isOffDay": true
         },
-        {
-            "name": "春节",
-            "date": "2020-02-03",
-            "isOffDay": false
-        },
         {
             "name": "清明节",
             "date": "2020-04-04",

fetch_holidays.py

@@ -42,7 +42,24 @@ PRE_PARSED_PAPERS = {
             "date": date(2015, 9, 6),
             "isOffDay": False,
         },
-    ]
+    ],
+    "http://www.gov.cn/zhengce/content/2020-01/27/content_5472352.htm": [
+        {
+            "name": "春节",
+            "date": date(2020, 1, 31),
+            "isOffDay": True,
+        },
+        {
+            "name": "春节",
+            "date": date(2020, 2, 1),
+            "isOffDay": True,
+        },
+        {
+            "name": "春节",
+            "date": date(2020, 2, 2),
+            "isOffDay": True,
+        },
+    ],
 }
 
 
@@ -236,14 +253,6 @@ class DescriptionParser:
 class SentenceParser:
     """Parser for holiday shift description sentence."""
 
-    special_cases = {
-        "延长2020年春节假期至2月2日（农历正月初九": [
-            {"date": date(2020, 1, 31), "isOffDay": True},
-            {"date": date(2020, 2, 1), "isOffDay": True},
-            {"date": date(2020, 2, 2), "isOffDay": True},
-        ],
-    }
-
     def __init__(self, parent: DescriptionParser, sentence):
         self.parent = parent
         self.sentence = sentence
@@ -343,15 +352,10 @@ class SentenceParser:
             for i in self.extract_dates(match.group(2)):
                 yield {"date": i, "isOffDay": True}
 
-    def _parse_special(self):
-        for i in self.special_cases.get(self.sentence, []):
-            yield i
-
     parsing_methods = [
         _parse_rest_1,
         _parse_work_1,
         _parse_shift_1,
-        _parse_special,
     ]
 
 

holiday-cn.ics

@@ -210,13 +210,6 @@ DTSTAMP;VALUE=DATE:20200124
 UID:2020-01-24/2020-02-03/NateScarlet/holiday-cn
 END:VEVENT
 BEGIN:VEVENT
-SUMMARY:上班(补春节假期)
-DTSTART;VALUE=DATE:20200203
-DTEND;VALUE=DATE:20200204
-DTSTAMP;VALUE=DATE:20200203
-UID:2020-02-03/2020-02-04/NateScarlet/holiday-cn
-END:VEVENT
-BEGIN:VEVENT
 SUMMARY:清明节假期
 DTSTART;VALUE=DATE:20200404
 DTEND;VALUE=DATE:20200407

tests/description_parsing_cases.json

@@ -1,14 +1,4 @@
 [
-  {
-    "year": 2020,
-    "description": "延长2020年春节假期至2月2日（农历正月初九，星期日），2月3日（星期一）起正常上班。",
-    "expected": [
-      { "date": "2020-01-31", "isOffDay": true },
-      { "date": "2020-02-01", "isOffDay": true },
-      { "date": "2020-02-02", "isOffDay": true },
-      { "date": "2020-02-03", "isOffDay": false }
-    ]
-  },
   {
     "year": 2019,
     "description": "2018年12月30日至2019年1月1日放假调休，共3天。2018年12月29日（星期六）上班。",