1 files changed, 107 insertions, 0 deletions
diff --git a/jobs/prix_carburant.py b/jobs/prix_carburant.py
new file mode 100755
index 0000000..21e6c26
--- /dev/null
+++ b/jobs/prix_carburant.py
@@ -0,0 +1,107 @@
+import codecs
+import logging
+import typing
+from enum import Enum
+from html.parser import HTMLParser
+from urllib import request
+
+
+class Station:
+    def __init__(self):
+        self.station_name = ""
+        self.prices = {}
+        self.id = None
+
+    def clean(self):
+        self.prices = filter(lambda kv: kv[1] != '', self.prices.items())
+        self.prices = dict(map(lambda kv: (kv[0], float(kv[1])), self.prices))
+
+    def __repr__(self):
+        return "Prix: {} {}".format(self.station_name, self.prices)
+
+
+State = Enum('State', 'pricelist fuel_name fuel_price station_name idle')
+
+
+class Parser(HTMLParser):
+    def error(self, message):
+        logging.error("Parser error: %s", message)
+
+    def __init__(self):
+        super().__init__()
+        self._prix = Station()
+        self._current_fuel_name = ""
+        self._state = State.idle
+
+    def get_prix(self):
+        self._prix.clean()
+        return self._prix
+
+    def handle_starttag(self, tag, attrs):
+        attrs = dict(attrs)
+        if self._state == State.idle and tag == "div" and "id" in attrs and attrs['id'] == 'prix':
+            self._state = State.pricelist
+        elif self._state in [State.pricelist, State.fuel_price] and tag == 'strong':
+            self._state = State.fuel_name
+            self._current_fuel_name = ''
+        elif self._state == State.idle and tag == 'div' and 'id' in attrs and attrs['id'] == 'colg':
+            self._state = State.station_name
+
+    def handle_endtag(self, tag):
+        if self._state == State.pricelist and tag == 'div':
+            self._state = State.idle
+        elif self._state == State.fuel_name and tag == 'strong':
+            self._state = State.fuel_price
+        elif self._state == State.fuel_price and tag == 'div':
+            self._state = State.idle
+        elif self._state == State.station_name and tag == 'p':
+            self._state = State.idle
+
+    def handle_data(self, data: str):
+        if self._state == State.fuel_name:
+            self._current_fuel_name += data.strip().replace(':', '')
+            self._prix.prices[self._current_fuel_name] = ""
+        elif self._state == State.fuel_price:
+            if data.strip() != "0.000":
+                self._prix.prices[self._current_fuel_name] += data.strip()
+        elif self._state == State.station_name:
+            if len(data.strip()) > 0:
+                self._prix.station_name += data.strip() + ". "
+
+
+URL = "http://www.prix-carburants.gouv.fr/map/recupererInfosPdv/"
+
+
+def _execute(station_id: str):
+    parser = Parser()
+    r = request.Request(URL + station_id)
+    r.add_header('Host', 'www.prix-carburants.gouv.fr')
+    r.add_header('Referer', 'http://www.prix-carburants.gouv.fr/recherche/map')
+    r.add_header('User-Agent', 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:30.0) Gecko/20100101 Firefox/30.0')
+    r.add_header('X-Requested-With', 'XMLHttpRequest')
+    r.add_header('X-Prototype-Version', '1.7')
+    r.add_header('Connection', 'close')
+    with request.urlopen(r) as f:
+        # with open("info.html", 'rb') as f:
+        f2 = codecs.getreader('utf-8')(f)
+        f2.errors = 'ignore'
+        for line in f2.readlines():
+            parser.feed(line)
+
+        try:
+            prix = parser.get_prix()
+            prix.id = station_id
+            return prix
+        except Exception as e:
+            raise Exception("Failed for station: {}".format(station_id), e)
+
+
+def execute(*ids) -> typing.Iterable[Station]:
+    for station_id in ids:
+        yield _execute(station_id)
+
+
+if __name__ == "__main__":
+    from pprint import pprint
+
+    pprint(list(execute('1630001', '67760001', '1210003', '1630003', '1210002', '1710001')))