Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
188 #
189 gids_from_top = list(reversed(range(1, ng + 1)))
190 gids_to_scan = gids_from_top[:-1][:4]
191 assert gids_from_top, ("Too few gear-ratios?", ng, gidx.gnames)192193 all_recs = []
194 ok_rec = None
195 for gid in gids_to_scan:Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
112 assert not (np.isnan(v_max) or np.isnan(n_v_max)), locals()
113 assert v_max == vround(v_max), (v_max, vround(v_max))
114 _i = wot.loc[roots_head[0] :, w.p_remain_stable].iteritems()
115 assert next(_i)[1] > 0 and next(_i)[1] <= 0, (116 "Solution is not the last positive p_remain:",117 roots_head[0],118 v_max,119 wot.loc[v_max - 5 * v_step : v_max + 5 * v_step, w.p_remain_stable],120 )121 rec = VMaxRec(v_max, n_v_max, gid, False, wot)
122 else:
123 rec = VMaxRec(np.NAN, np.NAN, gid, False, wot)Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
110 n_v_max = wot.loc[v_max, w.n]
111
112 assert not (np.isnan(v_max) or np.isnan(n_v_max)), locals()
113 assert v_max == vround(v_max), (v_max, vround(v_max))114 _i = wot.loc[roots_head[0] :, w.p_remain_stable].iteritems()
115 assert next(_i)[1] > 0 and next(_i)[1] <= 0, (
116 "Solution is not the last positive p_remain:",Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
109 v_max = roots_head[0] # Plain rounding, already close to grid.
110 n_v_max = wot.loc[v_max, w.n]
111
112 assert not (np.isnan(v_max) or np.isnan(n_v_max)), locals()113 assert v_max == vround(v_max), (v_max, vround(v_max))
114 _i = wot.loc[roots_head[0] :, w.p_remain_stable].iteritems()
115 assert next(_i)[1] > 0 and next(_i)[1] <= 0, (Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
79 v_max = wot.index[-1] # v @ max n
80 n_v_max = wot.loc[:, w.n].iloc[-1]
81
82 assert not (np.isnan(v_max) or np.isnan(n_v_max)), locals() 83 rec = VMaxRec(v_max, n_v_max, gid, True, wot)
84 else:
85 v_max = np.NANUse of assert detected. The enclosed code will be removed when compiling to optimised byte code.
66 """
67 w = wio.pstep_factory.get().wot
68
69 assert not wot.empty 70 71 wot = wot.copy() # or else warn, when appending columns.
72
73 wot[w.p_resist] = p_resistUse of assert detected. The enclosed code will be removed when compiling to optimised byte code.
38@autog.autographed(needs=["wltc_data/classes", ..., ...])
39def decide_wltc_class(wltc_classes_data: Mapping[str, dict], p_m_ratio, v_max):
40 """Vehicle classification according to Annex 1-2. """
41 assert isinstance(p_m_ratio, (int, float)) and isinstance(v_max, (int, float)), locals() 42 43 c = wio.pstep_factory.get().cycle_data
44
45 class_limits = {Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
301 ):
302 if gnames is None:
303 gnames = self.gnames
304 assert gnames, locals()305306 if isinstance(item, str):
307 item = (item,)
308 return pd.MultiIndex.from_tuples(itt.product(item, gnames))Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
106 """Use :func:`flatten_columns()` to inverse it"""
107
108 def split_column_name(name):
109 assert isinstance(name, str), ("Inflating Multiindex?", columns)110 names = name.split(sep)
111 if len(names) < levels:
112 nlevels_missing = levels - len(names)Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
157 2 1
158 dtype: int8
159 """
160 assert isinstance(nan_val, int), nan_val161162 nan_rows = (df == NANFLAG).all(axis=1)
163 rows_to_or = df.loc[~nan_rows].replace(NANFLAG, nan_val).astype(bool)
164 (_, col0), *cols = rows_to_or.iteritems()Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
731 GEARS, CLUTCH.shape, driveability_issues
732 )
733 assert "i" == GEARS.dtype.kind, GEARS.dtype
734 assert ((GEARS >= -1) & (GEARS <= len(n2v_ratios))).all(), (min(GEARS), max(GEARS))735736 return (
737 GEARS,
738 CLUTCH,Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
730 assert GEARS.shape == CLUTCH.shape == driveability_issues.shape, _shapes(
731 GEARS, CLUTCH.shape, driveability_issues
732 )
733 assert "i" == GEARS.dtype.kind, GEARS.dtype734 assert ((GEARS >= -1) & (GEARS <= len(n2v_ratios))).all(), (min(GEARS), max(GEARS))
735
736 return (Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
727 CLUTCH[(GEARS == 2) & (_N_GEARS[1, :] < n_clutch_gear2)] = True
728
729 assert V.shape == GEARS.shape, _shapes(V, GEARS)
730 assert GEARS.shape == CLUTCH.shape == driveability_issues.shape, _shapes(731 GEARS, CLUTCH.shape, driveability_issues732 )733 assert "i" == GEARS.dtype.kind, GEARS.dtype
734 assert ((GEARS >= -1) & (GEARS <= len(n2v_ratios))).all(), (min(GEARS), max(GEARS))
735Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
726 GEARS = selectGears(_GEARS, _G_BY_N, _G_BY_P, driveability_issues)
727 CLUTCH[(GEARS == 2) & (_N_GEARS[1, :] < n_clutch_gear2)] = True
728
729 assert V.shape == GEARS.shape, _shapes(V, GEARS)730 assert GEARS.shape == CLUTCH.shape == driveability_issues.shape, _shapes(
731 GEARS, CLUTCH.shape, driveability_issues
732 )Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
719 driveability_issues,
720 )
721
722 assert (723 _GEAR_RATIOS.shape == _N_GEARS.shape == _P_AVAILS.shape == _N_NORMS.shape724 ), _shapes(_GEAR_RATIOS, _N_GEARS, _P_AVAILS, _N_NORMS)725726 GEARS = selectGears(_GEARS, _G_BY_N, _G_BY_P, driveability_issues)
727 CLUTCH[(GEARS == 2) & (_N_GEARS[1, :] < n_clutch_gear2)] = True
728Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
420
421
422def assert_regexp_unmatched(regex, string, msg):
423 assert not re.findall(regex, string), "%s: %s" % (424 msg,425 [(m.start(), m.group()) for m in re.finditer(regex, string)],426 )
427
428Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
414
415
416def bytes2np(bytesarr):
417 assert isinstance(bytesarr, bytes), "Not bytes: %s" % bytesarr418419 return np.frombuffer(bytesarr, dtype="uint8") - _escape_char
420
421Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
406
407def np2bytes(NUMS):
408 if (NUMS < 0).any() or (NUMS >= (256 - _escape_char)).any():
409 assert all(NUMS >= 0) and all(NUMS < (256 - _escape_char)), (410 "Outside byte-range: %s" % NUMS[(NUMS < 0) | (NUMS >= (256 - _escape_char))]411 )
412
413 return (NUMS + _escape_char).astype("uint8").tostring()Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
396 \g124|\g7 --> unicode(128+124=252)|unicode(128+7=135)
397 """
398
399 assert isinstance(gearspattern, bytes), (400 "Not bytes: %s" % gearspattern401 ) # For python-2 to work with __future__.unicode_literals.402403 regex = _regex_gears2regex.sub(dec_byte_repl, gearspattern)
404 return re.compile(regex)
405Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
277 sol = pipelines.cycler_pipeline().compute({**mdl, "V_compensated": V})
278 P_req = sol["cycle"]["P_req"]
279 idx = ~p_req.isnull()
280 assert (p_req[idx] == P_req[idx]).all()281282 ## Remaining n_max values283 #284 g_max_n2v = n2v_ratios[mdl[m.g_vmax] - 1]
285 # NOTE: `n95_high` is not rounded based on v, like the rest n_mins.
286 mdl[m.n_max1] = mdl[m.n95_high]Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
253 cb = cycler.CycleBuilder(V, V_target)
254 V = V_target
255
256 assert isinstance(V, pd.Series), V257258 pm = cycler.PhaseMarker()
259
260 if wltc_class:Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
238 assert mdl['pmr'] == sol['p_m_ratio']
239 # for i in "v_max g_vmax n_vmax wltc_class n95_high n95_low".split():
240 for i in "v_max g_vmax n_vmax wltc_class".split():
241 assert mdl[i] == sol[i]242
243 # TODO: separate column due to cap/extend.
244 V_target = V_dsc.copy()Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
235 orig_mdl.pop('v_max', None) # vehdb contains v_max!
236 sol = pipelines.scale_trace_pipeline().compute(orig_mdl)
237 assert (V_dsc == sol["V_dsc"]).all()
238 assert mdl['pmr'] == sol['p_m_ratio']239 # for i in "v_max g_vmax n_vmax wltc_class n95_high n95_low".split():240 for i in "v_max g_vmax n_vmax wltc_class".split():
241 assert mdl[i] == sol[i]
242Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
234 #
235 orig_mdl.pop('v_max', None) # vehdb contains v_max!
236 sol = pipelines.scale_trace_pipeline().compute(orig_mdl)
237 assert (V_dsc == sol["V_dsc"]).all()238 assert mdl['pmr'] == sol['p_m_ratio']
239 # for i in "v_max g_vmax n_vmax wltc_class n95_high n95_low".split():
240 for i in "v_max g_vmax n_vmax wltc_class".split():Use of assert detected. The enclosed code will be removed when compiling to optimised byte code.
195
196 class_data = datamodel.get_class(wltc_class, mdl=self._model)
197 V = datamodel.get_class_v_cycle(wltc_class)
198 assert isinstance(V, pd.Series), V199200 ## Downscale velocity-profile.201 #202 f_dsc = mdl.get(m.f_dsc)
203 if not f_dsc:
204 f_dsc_threshold = mdl[m.f_dsc_threshold]
Description
Usage of assert statement in application logic is discouraged. assert is removed with compiling to optimized byte code. Consider raising an exception instead. Ideally, assert statement should be used only in tests.
Python has an option to compile the optimized bytecode and create the respective .pyo files by using the options -O and -OO. When used, these basic optimizations are done:
- All the assert statements are removed
- All docstrings are removed (when -OO is selected)
- Value of the
__debug__built-in variable is set toFalse
It is recommended not to use assert in non-test files. A better way for internal self-checks is to check explicitly and raise respective error using an if statement.
Tip: Make sure test_patterns are defined in .deepsource.toml to avoid false-positives. Please check the documentation to know more.
Consider this code snippet:
def read_secret(self):
assert self.is_admin, "You are unauthorized to read this"
return self._secret
If python is run with the -O flag, the check for self.is_admin is
completely ignored, which can cause secrets to be leaked.
This is how you can ensure the code always works:
def read_secret(self):
if not self.is_admin:
raise AssertionError("You are unauthorized to read this")
return self._secret
Here's a more detailed example. Consider the following script foo.py:
import sys
def run():
assert len(sys.argv) == 5 # Insecure, statement will be removed when compiled to optimized byte code
print("Argument variables are: ", sys.argv)
run()
When optimization is disabled:
$ python foo.py 1 2 3 4 5
Traceback (most recent call last):
File "foo.py", line 7, in <module>
run()
File "foo.py", line 4, in run
assert len(sys.argv) == 5 # Insecure, statement will be removed when compiled to optimized byte code
AssertionError
When optimization is enabled:
$ python -O foo.pyo 1 2 3 4 5 6
Argument variables are: ['foo.pyo', '1', '2', '3', '4', '5', '6']
Here, all the internal self-checks using the assert statements are removed, as we can see. Therefore, there's a chance for an application to behave strangely in this case. It is better do raise the Exception explicitly:
import sys
def run():
if not len(sys.argv) == 5:
raise ValueError
print("Argument variables are: ", sys.argv)
run()
Note: During autofix, DeepSource will change the assert statements to if statements raising AssertionError.
This is done to replicate the existing behavior.
References:
- -O flag in python
- -OO flag in python
- Discuss blogpost - Using assert outside tests