/
create_examplearrays.py
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/
create_examplearrays.py
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import numpy as np
import time
import darr
from pathlib import Path
from darr.numtype import numtypesdescr, minmaxints
def datetimestring():
return time.strftime('%Y%m%d%H%M%S')
def create_arrays(basepath='.'):
basepath = Path(basepath) / 'examplearrays' / 'arrays'
basepath.mkdir(parents=True, exist_ok=True)
metadata = {
"channels": [
0,
9
],
"comments": "This example array has metadata, which is stored in a "
"separate JSON file. Metadata in Darr is a dictionary "
"that can contain anything that is JSON serializable.",
"datetime": f"{datetimestring()}",
"samplingrate": 25000.0
}
# 2D
ar = np.arange(0,16).reshape(8,2) # sums to 120, axis 0 sums to 56, 1 to 64
car = np.array(ar, dtype='complex128') + 2.0j
for numtype in numtypesdescr.keys():
if numtype.startswith('complex'):
a = car
else:
a = ar
darr.asarray(basepath / f'array_{numtype}_2D.darr', a,
dtype=numtype, metadata=metadata, overwrite=True)
# 1D
ar = [1, 3, 5, 7, 9, 11, 14] # 0:7 sums to 50
car = np.array(ar, dtype='complex128') + 2.0j
for numtype in numtypesdescr.keys():
if numtype.startswith('complex'):
a = car
elif 'int' in numtype:
imin, imax = minmaxints[numtype]
a = ar[:]
a.extend([imin,imax])
else:
a = ar
darr.asarray(basepath / f'array_{numtype}_1D.darr', a,
dtype=numtype, metadata=metadata, overwrite=True)
def create_raggedarrays(basepath='.'):
basepath = Path(basepath) / 'examplearrays' / 'raggedarrays'
basepath.mkdir(parents=True, exist_ok=True)
metadata = {
"channels": [
0,
9
],
"comments": "This example array has metadata, which is stored in a "
"separate JSON file. Metadata in dArray is a dictionary "
"that can contain anything that is JSON serializable.",
"datetime": f"{datetimestring()}",
"samplingrate": 25000.0
}
rar = [[[1, 2], [3, 4], [4, 6], [7, 8], [9, 10], [11, 12]],
[[13, 14], [15, 16], [17, 18], [19, 20], [21, 22], [23, 24]],
[[25, 26], [27, 28], [29, 30]],
np.ones((0, 2)),
[[31, 32], [33, 34], [35, 36], [37, 38]],
[[39, 40]],
[[41, 42], [43, 44], [45, 46]],
[[47, 48]],
[[49, 50], [51, 52]]]
rarj = [np.array(sa, dtype='complex128') + 1.3j for sa in rar]
for numtype in numtypesdescr.keys():
if numtype.startswith('complex'):
ar = rarj
else:
ar = rar
_ = darr.asraggedarray(basepath / f'raggedarray_{numtype}.darr',
ar, dtype=numtype, metadata=metadata,
overwrite=True)
def create_codefile_array_idl(arraydirpath):
allcode = []
for arraypath in Path(arraydirpath).glob('*.darr'):
ar = darr.Array(arraypath)
code = ar.readcode('idl', abspath=True)
if code is not None:
code = code[:-1] # get rid of EOL
allcode.append(f'; {arraypath.name}')
allcode.append(code)
if len(ar.shape) > 1: #2D
allcode.append(f'; next should sum to {np.sum(ar)}')
allcode.append(f'TOTAL(a)')
allcode.append(f'; next should sum to {np.sum(ar[:,0])}')
allcode.append(f'TOTAL(a[0,*])\n')
allcode.append(f'; next should sum to {np.sum(ar[:, 1])}')
allcode.append(f'TOTAL(a[1,*])\n')
else: # 1D
allcode.append(f'; next should sum to {np.sum(ar[:7])}')
allcode.append(f'TOTAL(a[0:6])')
if 'int' in ar.dtype.name:
allcode.append(f'; next should be {ar[7:]}')
allcode.append(f'a[7:*]')
return '\n'.join(allcode)
def create_codefile_array_r(arraydirpath):
allcode = []
for arraypath in Path(arraydirpath).glob('*.darr'):
ar = darr.Array(arraypath)
code = ar.readcode('R', abspath=True)
if code is not None:
code = code[:-1] # get rid of EOL
allcode.append(f'# {arraypath.name}')
allcode.append(code)
if len(ar.shape) > 1: # 2d
allcode.append(f'# next should sum to {np.sum(ar)}')
allcode.append(f'sum(a)')
allcode.append(f'# next should sum to {np.sum(ar[:,0])}')
allcode.append(f'sum(a[1,])\n')
allcode.append(f'# next should sum to {np.sum(ar[:, 1])}')
allcode.append(f'sum(a[2,])\n')
else: # 1D
allcode.append(f'# next should sum to {np.sum(ar[:7])}')
allcode.append(f'sum(a[1:7])')
if 'int' in ar.dtype.name:
allcode.append(f'# next should be {ar[7:]}')
allcode.append(f'a[8:9]')
return '\n'.join(allcode)
def create_codefile_array_matlab(arraydirpath):
allcode = []
for arraypath in Path(arraydirpath).glob('*.darr'):
ar = darr.Array(arraypath)
code = ar.readcode('matlab', abspath=True)
if code is not None:
code = code[:-1] # get rid of EOL
allcode.append(f'# {arraypath.name}')
allcode.append(code)
if len(ar.shape) > 1: # 2d
allcode.append(f'# next should sum to {np.sum(ar)}')
allcode.append(f'sum(a(:))')
allcode.append(f'# next should sum to {np.sum(ar[:,0])}')
allcode.append(f'sum(a(1,:))\n')
allcode.append(f'# next should sum to {np.sum(ar[:, 1])}')
allcode.append(f'sum(a(2,:))\n')
else: # 1D
allcode.append(f'# next should sum to {np.sum(ar[:7])}')
allcode.append(f'sum(a(1:7))')
if 'int' in ar.dtype.name:
allcode.append(f'# next should be {ar[7:]}')
allcode.append(f'a(8:9)')
return '\n'.join(allcode)
def create_codefile_array_julia(arraydirpath):
allcode = []
for arraypath in Path(arraydirpath).glob('*.darr'):
ar = darr.Array(arraypath)
code = ar.readcode('julia_ver1', abspath=True)
if code is not None:
code = code[:-1] # get rid of EOL
allcode.append(f'# {arraypath.name}')
allcode.append(code)
if len(ar.shape) > 1: # 2d
allcode.append(f'# next should sum to {np.sum(ar)}')
allcode.append(f'print(sum(a[:]))')
allcode.append(f'# next should sum to {np.sum(ar[:,0])}')
allcode.append(f'print(sum(a[1,:]))\n')
allcode.append(f'# next should sum to {np.sum(ar[:, 1])}')
allcode.append(f'print(sum(a[2,:]))\n')
else: # 1D
allcode.append(f'# next should sum to {np.sum(ar[:7])}')
allcode.append(f'print(sum(a[1:7]))')
if 'int' in ar.dtype.name:
allcode.append(f'# next should be {ar[7:]}')
allcode.append(f'print(a[8:9])')
return '\n'.join(allcode)
if __name__ == "__main__":
create_arrays()
create_raggedarrays()