attempt to dedup

foursquare/__init__.py

@@ -1,19 +1,23 @@
 from datetime import datetime, timezone, timedelta
 # TODO pytz for timezone???
-from typing import List, Dict, NamedTuple, Union, Any
+from typing import List, Dict, NamedTuple, Union, Any, Tuple
 
-from kython import safe_get, flatten
+from kython import safe_get, flatten, load_json_file
 from kython.data import get_last_file
 
 # TODO actually i'm parsing FSQ in my gmaps thing
 _BPATH = '/L/backups/4sq'
 
+def get_logger():
+    import logging
+    return logging.getLogger("fsq-provider")
+
 class Checkin:
     def __init__(self, j) -> None:
         self.j = j
 
     @property
-    def _summary(self) -> str:
+    def summary(self) -> str:
         return "checked into " + safe_get(self.j, 'venue', 'name', default="NO_NAME") + " " + self.j.get('shout', "") # TODO should should be bold...
     # TODO maybe return htmlish? if not html, interpret as string
 
@@ -26,8 +30,157 @@ class Checkin:
         # TODO localize??
         return datetime.fromtimestamp(created, tz=tz)
 
-def get_checkins():
-    j = get_last_file(_BPATH)
-    everything = flatten([x['response']['checkins']['items'] for x in j])
+def get_raw(fname=None):
+    if fname is None:
+        fname = get_last_file(_BPATH, '.json')
+    j = load_json_file(fname)
+
+    assert isinstance(j, list)
+    for chunk in j:
+        del chunk['meta']
+        del chunk['notifications']
+    assert chunk.keys() == {'response'}
+    assert chunk['response'].keys() == {'checkins'}
+
+    return flatten([x['response']['checkins']['items'] for x in j])
+
+
+# TODO not sure how to make it generic..
+def get_checkins(*args, **kwargs):
+    everything = get_raw(*args, **kwargs)
     checkins = sorted([Checkin(i) for i in everything], key=lambda c: c.dt)
     return checkins
+
+
+# def extract(j):
+#     assert isinstance(j, list)
+#     for chunk in j:
+
+class JsonComparer:
+    def __init__(self, ignored=None):
+        import re
+        self.ignored = {} if ignored is None else {
+            re.compile(i) for i in ignored
+        }
+        self.logger = get_logger()
+
+    # TODO ugh, maybe just check if it dominates? and comparison if both dominate each other...
+    def compare(self, a, b, path: str=""):
+        # TODO not so sure about contains...
+        if any(i.match(path) for i in self.ignored):
+            self.logger.debug(f"ignoring path {path}")
+            return True
+        if a == b:
+            return True
+        alleq = True
+        if isinstance(a, (int, float, bool, type(None), str)):
+            self.logger.warning(f"at path {path}: {a} != {b}")
+            alleq = False
+        elif isinstance(a, list) or isinstance(b, list):
+            if a is None or b is None or len(a) != len(b):
+                alleq = False
+            else:
+                for i in range(len(a)):
+                    if not self.compare(a[i], b[i], path + f"[]"):
+                        self.logger.warning(f"at path {path}")
+                        alleq = False
+        elif isinstance(a, dict) or isinstance(b, dict):
+            ka = set(a.keys())
+            kb = set(b.keys())
+            if ka != kb:
+                import ipdb; ipdb.set_trace() 
+                self.logger.warning(f"at path {path}")
+                alleq = False
+            else:
+                for k in ka:
+                    if not self.compare(a[k], b[k], path + f".{k}"):
+                        alleq = False
+        else:
+            raise RuntimeError(f"Type mismatch: {type(a)} vs {type(b)}")
+
+        return alleq
+
+
+# TODO ok, so it's stats changing... I guess I can handle it same way I handle reddit...
+def get_comparer():
+    def chregex(rest: str):
+        return r"^.\w+" + rest
+    c = JsonComparer(ignored={
+        chregex('.venue.stats'),
+        chregex('.venue.menu.url'),
+
+        # not so sure about these, but I guess makes sense. maybe add a sanity check that they are not too different??
+        chregex('.venue.location.lat'),
+        chregex('.venue.location.lng'),
+        chregex('.venue.location.labeledLatLngs'),
+
+        # TODO isMayor?
+    })
+    return c
+
+# TODO right, I should only compare equivalent entries...
+from kython import JSONType
+def check_backups(backups: List[Tuple[JSONType, str]]):
+    logger = get_logger()
+    if len(backups) < 1:
+        logger.info(f"Nothing to check: only {len(backups)} left")
+        return []
+    lastj, lastf = backups[-1]
+    tocleanup: List[str] = []
+    comp = get_comparer()
+    for prevj, prevf in backups[-2::-1]:
+        logger.info(f"Comparing {lastf} vs {prevf}")
+        cres = comp.compare(prevj, lastj)
+        if cres:
+            logger.info(f"Removing {prevf}")
+        else:
+            logger.info(f"{lastf} differs from {prevf}")
+
+
+def get_cid_map(bfile: str):
+    raw = get_raw(bfile)
+    return {i['id']: i for i in raw}
+
+
+def cleanup_backups():
+    from kython.data import get_all_files
+    from pprint import pprint
+    prev = None
+
+    # ok, so. pick last
+    # compare against prev. if there are no differences, delete prev. otherwise, choose prev as last. repeat
+
+    bfiles = get_all_files(_BPATH, 'checkins_2018-08')
+    backups = [(get_cid_map(bfile), bfile) for bfile in bfiles]
+    for (pv, _), (nx, _) in zip(backups, backups[1:]):
+        torm = set()
+        for cid in nx:
+            if cid not in pv:
+                torm.add(cid)
+        for cid in torm:
+            del nx[cid] # meh?
+    check_backups(backups)
+    return
+
+    for f in bfiles:
+        print(f"Processing {f}")
+        cur = {ch['id']: ch for ch in get_raw(f)}
+        count = 0
+        if prev is not None:
+            for cid, c in cur.items():
+                if cid not in prev:
+                    print(f"new checkin {cid}!")
+                else:
+                    pc = prev[cid]
+                    if pc != c:
+                        compare_jsons(pc, c)
+                        # import ipdb; ipdb.set_trace()
+                        # print("WTF")
+                        # pprint(pc)
+                        # pprint(c)
+                        # print("-----------")
+                # pres = c in prev
+                # if not pres:
+                #     count += 1
+            print(f"Difference: {count}")
+        prev = cur

foursquare/__main__.py

@@ -1,4 +1,13 @@
-from foursquare import get_checkins
+from foursquare import get_checkins, get_logger, cleanup_backups
+
+import logging
+from kython.logging import setup_logzero
+
+logger = get_logger()
+setup_logzero(logger, level=logging.INFO)
+
+cleanup_backups()
+
+# for c in get_checkins():
+#     print(c)
 
-for c in get_checkins():
-    print(c)