def test_fieldfile_nomatch(self):
fc = FieldFile(f("data/AandE_Data_2011-04-10.tff"))
parser = LineToDictParser(fc)
reader = FileReader(f('data/inventory.csv'), has_header=True)
bw = FileWriter(self._col, reader=reader, parser=parser)
with self.assertRaises(ValueError):
bw.write()
def test_delimiter_header(self):
start_count = self._col.count_documents({})
fc = FieldFile(f("data/AandE_Data_2011-04-10.tff"))
parser = LineToDictParser(fc)
reader = FileReader(f('data/AandE_Data_2011-04-10.csv'), has_header=True)
bw = FileWriter(self._col, reader=reader, parser=parser)
bw.write()
self.assertEqual(self._col.count_documents({}) - start_count, 300)
def test_delimiter_no_header(self):
start_count = self._col.count_documents({})
fc = FieldFile(f("data/10k.tff"))
parser = LineToDictParser(fc)
reader = FileReader(f("data/10k.txt"), has_header=False, delimiter="|")
bw = FileWriter(self._col, reader=reader, parser=parser)
bw.write()
self.assertEqual(self._col.count_documents({}) - start_count, 10000)
def test_new_delimiter_and_timeformat_header(self):
start_count = self._col.count_documents({})
fc = FieldFile(f("data/mot.tff"))
parser = LineToDictParser(fc)
reader = FileReader(f('data/mot_test_set_small.csv'), has_header=False, delimiter="|")
self.assertTrue(type(reader.name) == str)
bw = FileWriter(self._col, reader=reader, parser=parser)
total = bw.write()
lines = LineCounter(f('data/mot_test_set_small.csv')).line_count
inserted_count = self._col.count_documents({}) - start_count
self.assertEqual(inserted_count, total)
self.assertEqual(inserted_count, lines)
def test_date(self):
config = FieldFile(f("data/inventory_dates.tff"))
parser = LineToDictParser(config, locator=False) # screws up comparison later if locator is true
reader = FileReader(f("data/inventory.csv"), has_header=True)
start_count = self._col.count_documents({})
writer = FileWriter(self._col, reader=reader, parser=parser)
docs_written = writer.write()
line_count = LineCounter(f("data/inventory.csv")).line_count
self.assertEqual(self._col.count_documents({}) - start_count, line_count - 1) # header must be subtracted
self.assertEqual(self._col.count_documents({}), docs_written)
nuts_doc = self._col.find_one({"Last Order": dateutil.parser.parse("29-Feb-2016")})
self.assertTrue(nuts_doc)
def test_generate_fieldfile(self):
fc = FieldFile.generate_field_file(f("data/inventory.csv"), ext="testff")
self.assertEqual(fc.field_filename, f("data/inventory.testff"), fc.field_filename)
self.assertTrue(os.path.isfile(f("data/inventory.testff")), f("data/inventory.testff"))
parser = LineToDictParser(fc)
reader = FileReader(f("data/inventory.csv"), has_header=True)
start_count = self._col.count_documents({})
writer = FileWriter(self._col, reader=reader, parser=parser)
write_count = writer.write()
line_count = LineCounter(f("data/inventory.csv")).line_count
new_inserted_count = self._col.count_documents({}) - start_count
self.assertEqual(new_inserted_count, write_count) # header must be subtracted
self.assertEqual(new_inserted_count, line_count - 1) # header must be subtracted
os.unlink(f("data/inventory.testff"))
def test_http_import(self):
if check_internet():
csv_parser = LineToDictParser(self._ff)
reader = FileReader(
"https://data.cityofnewyork.us/api/views/biws-g3hs/rows.csv?accessType=DOWNLOAD&bom=true&format=true&delimiter=%3B",
has_header=True,
delimiter=';')
writer = FileWriter(self._collection, reader, csv_parser)
before_doc_count = self._collection.count_documents({})
after_doc_count = writer.write(1000)
self.assertEqual(after_doc_count - before_doc_count, 1000)
else:
print("Warning:No internet: test_http_import() skipped")
def test_local_import(self):
reader = FileReader(f("data/2018_Yellow_Taxi_Trip_Data_1000.csv"),
has_header=True,
delimiter=";")
before_doc_count = self._collection.count_documents({})
writer = FileWriter(self._collection,
reader=reader,
parser=self._parser)
writer.write(10)
after_doc_count = self._collection.count_documents({})
self.assertEqual(after_doc_count - before_doc_count, 10)
def pre_execute(self, arg):
# print(f"'{arg}'")
super().pre_execute(arg)
self._log.info("Using collection:'{}'".format(self._collection.full_name))
if self._field_filename is None:
self._field_filename = FieldFile.make_default_tff_name(arg)
self._log.info(f"Using field file:'{self._field_filename}'")
if not os.path.isfile(self._field_filename):
raise OSError(f"No such field file:'{self._field_filename}'")
self._fieldinfo = FieldFile(self._field_filename)
self._reader = FileReader(arg,
limit=self._limit,
has_header=self._has_header,
delimiter=self._delimiter)
self._parser = LineToDictParser(self._fieldinfo,
locator=self._locator,
timestamp=self._timestamp,
onerror=self._onerror)
self._writer = FileWriter(self._collection,self._reader,self._parser)
class ImportCommand(Command):
def __init__(self,
collection:pymongo.collection,
field_filename: str = None,
delimiter:str = ",",
has_header:bool = True,
onerror: ErrorResponse = ErrorResponse.Warn,
limit: int = 0,
locator=False,
timestamp: DocTimeStamp = DocTimeStamp.NO_TIMESTAMP,
audit:bool= None,
id:object= None):
super().__init__(audit, id)
self._log = logging.getLogger(__name__)
self._collection = collection
self._name = "import"
self._field_filename = field_filename
self._delimiter = delimiter
self._has_header = has_header
self._parser = None
self._reader = None
self._writer = None
self._onerror = onerror
self._limit = limit
self._locator = locator
self._timestamp = timestamp
self._total_written = 0
def pre_execute(self, arg):
# print(f"'{arg}'")
super().pre_execute(arg)
self._log.info("Using collection:'{}'".format(self._collection.full_name))
if self._field_filename is None:
self._field_filename = FieldFile.make_default_tff_name(arg)
self._log.info(f"Using field file:'{self._field_filename}'")
if not os.path.isfile(self._field_filename):
raise OSError(f"No such field file:'{self._field_filename}'")
self._fieldinfo = FieldFile(self._field_filename)
self._reader = FileReader(arg,
limit=self._limit,
has_header=self._has_header,
delimiter=self._delimiter)
self._parser = LineToDictParser(self._fieldinfo,
locator=self._locator,
timestamp=self._timestamp,
onerror=self._onerror)
self._writer = FileWriter(self._collection,self._reader,self._parser)
def execute(self, arg):
self._total_written = self._writer.write()
return self._total_written
def total_written(self):
return self._total_written
@property
def fieldinfo(self):
return self._fieldinfo
def post_execute(self, arg):
super().post_execute(arg)
if self._audit:
self._audit.add_command(self._id, self.name(), {"filename": arg})
if self._log:
self._log.info("imported file: '%s'", arg)