def test_insert():
D = Donors()
rec = Record("C00629618|||||||PEREZ, JOHN A|||90017|||01032017|40||||||")
D.insert(rec)
assert(D._donors == {'90017': {'PEREZ, JOHN A': [2017]}})
rec = Record("C00629618|||||||PEREZ, JOHN A|||90017|||01022012|40||||||")
D.insert(rec)
assert (D._donors == {'90017': {'PEREZ, JOHN A': [2017, 2012]}})
rec = Record("xyz|||||||CHANDAN, DEEPAK|||90017|||01022011|40||||||")
D.insert(rec)
assert (D._donors == {'90017': {'PEREZ, JOHN A': [2017, 2012], 'CHANDAN, DEEPAK': [2011]}})
rec = Record("xyz|||||||someone|||34567|||01022018|40||||||")
D.insert(rec)
assert (D._donors == {'90017': {'PEREZ, JOHN A': [2017, 2012], 'CHANDAN, DEEPAK': [2011]},
'34567': {'someone': [2018]}})
class AnalyticsApp(object):
def __init__(self, ofname, perc, verbosity=1):
"""
Constructor
:param ofname: output file name
:param perc: percentile value (> 0 and <= 100)
:param verbosity: how much diagnostics to produce
"""
self._ofname = ofname
self._perc = perc
if (self._perc <= 0) or (self._perc > 100):
raise ValueError("Invalid percentile value")
if not isinstance(ofname, str):
raise ValueError("Output filename must be a string")
# A data structure containing (some) information about all donors
self._all_donors = Donors()
# A data structure containing (some) information about all repeat donations
self._repeats = RepeatDonations()
if not isinstance(verbosity, int):
raise ValueError("Verbosity must be an integer")
self._verbosity = verbosity
if self._verbosity >= 1:
print("Configuration:")
print(" Output file: ", self._ofname)
print(" Percentile : ", self._perc)
print(" Verbosity : ", self._verbosity)
self._ofile = open(self._ofname, "w")
# to count how many records processed
self._ctr = 0
@property
def perc(self):
"""
Get the percentile value this app is configured with
:return: percentile
"""
return self._perc
@property
def ofname(self):
return self._ofname
def update(self, recstr):
"""
Updates its internal state with new donation information.
:param recstr: the record in string format
:return: None
"""
self._ctr += 1
if self._verbosity > 3:
print(recstr)
try:
rec = Record(recstr)
except BadRecord:
return
if self._all_donors.is_repeat_donor(rec):
"""
This is a repeat donor.
"""
if self._verbosity > 1:
print("[AnalyticsApp.update] Repeat donor {0:30s} {1:5s} {2:4d} {3:d}".format(rec.NAME,
rec.ZIP_CODE,
rec.TRANSACTION_DT.year,
self._ctr))
self._repeats.insert(rec)
self._print(rec)
else:
"""
We have not seen any previous instance of this donor donating. So, we insert this
new information into the donors database.
"""
self._all_donors.insert(rec)
def _print(self, rec):
"""
Write data to output file
:param rec: obejct of class Record
:return: None
"""
self._ofile.write("{0}|{1}|{2}|{3}|{4}|{5}\n".format(
rec.CMTE_ID,
rec.ZIP_CODE,
rec.TRANSACTION_DT.year,
self._repeats[rec].percentile(self._perc),
self._repeats[rec].total_amount,
self._repeats[rec].num_donations(),
))
def finalize(self):
"""
Called by the user at the end of the app.
:return: None
"""
self._ofile.close()