def test_autoremove_2():
with file.autoremove():
nm = file.tmpfile()
with open(nm, 'w') as f:
print >> f, 'hello world'
assert os.path.isfile(nm)
assert not os.path.isfile(nm)
def test_merg2_0():
K = 27
M = (1 << (2 * K)) - 1
N = 100000
random.seed(17)
xs = [(random.randint(0, M), pois(10)) for i in xrange(N)]
xs.sort()
ys = [(random.randint(0, M), pois(10)) for i in xrange(N)]
ys.sort()
nm0 = tmpfile()
with container(nm0, 'w') as z:
writeKmersAndCounts(K, xs, z, 'xs')
writeKmersAndCounts(K, ys, z, 'ys')
nm1 = tmpfile()
h = {}
with container(nm0, 'r') as z0, container(nm1, 'w') as z:
merge2(z, K, readKmersAndCounts(z0, 'xs'),
readKmersAndCounts(z0, 'ys'), h, 'zs')
h = h.items()
h.sort()
ws = {}
for (x, c) in xs:
ws[x] = c + ws.get(x, 0)
for (y, c) in ys:
ws[y] = c + ws.get(y, 0)
ws = ws.items()
ws.sort()
with container(nm1, 'r') as z:
zs = list(readKmersAndCounts(z, 'zs'))
assert len(ws) == len(zs)
for i in xrange(len(ws)):
assert ws[i] == zs[i]
h1 = {}
for (_, c) in ws:
h1[c] = 1 + h1.get(c, 0)
h1 = h1.items()
h1.sort()
assert len(h) == len(h1)
for i in xrange(len(h)):
assert h[i] == h1[i]
def test_autoremove_3():
try:
with file.autoremove():
nm = file.tmpfile()
with open(nm, 'w') as f:
print >> f, 'hello world'
assert os.path.isfile(nm)
raise StopIteration
assert False
except StopIteration:
pass
assert not os.path.isfile(nm)
def test_rw_2():
K = 27
M = (1 << (2 * K)) - 1
N = 100000
random.seed(17)
xs = [random.randint(0, M) for i in xrange(N)]
nm = tmpfile()
with container.container(nm, 'w') as z:
w = vecs.writer64(z, "wibble")
for x in xs:
w.append(x)
with pytest.raises(KeyError):
with container.container(nm, 'r') as z:
ys = list(vecs.read64(z, 'wibble', N))
os.remove(nm)
def test_std_0():
K = 27
M = (1 << (2 * K)) - 1
N = 100000
random.seed(17)
xs = [(random.randint(0, M), pois(10)) for i in xrange(N)]
nm = tmpfile()
with container.container(nm, 'w') as z:
std.writeKmersAndCounts(K, xs, z, 'wibble')
with container.container(nm, 'r') as z:
ys = list(std.readKmersAndCounts(z, 'wibble'))
assert len(ys) == N
for i in xrange(N):
assert xs[i] == ys[i]
os.remove(nm)
def test_rw_1():
K = 27
M = (1 << (2 * K)) - 1
N = 100000
random.seed(17)
xs = [random.randint(0, M) for i in xrange(N)]
nm = tmpfile()
with container.container(nm, 'w') as z:
vecs.write64(z, xs, "wibble")
with container.container(nm, 'r') as z:
ys = list(vecs.read64(z, 'wibble', N))
assert len(ys) == N
for i in xrange(N):
assert xs[i] == ys[i]
os.remove(nm)
def main(argv):
opts = docopt.docopt(__doc__, argv)
K = None
out = opts['<output>']
px = list(pairs(opts['<input>']))
if len(px) == 1:
with container(out, 'w') as z:
h = {}
acgt = [0, 0, 0, 0]
ix = px[0]
if len(ix) == 1:
with container(ix[0], 'r') as z0:
K = z0.meta['K']
xs = readKmersAndCounts(z0)
zs = hist(xs, h, acgt)
writeKmersAndCounts(K, xs, z)
else:
with container(ix[0], 'r') as z0:
K = z0.meta['K']
xs = readKmersAndCounts(z0)
with container(ix[1], 'r') as z1:
K1 = z1.meta['K']
if K1 != K:
print >> sys.stderr, "mismatched K"
sys.exit(1)
ys = readKmersAndCounts(z1)
zs = hist(merge(xs, ys), h, acgt)
writeKmersAndCounts(K, zs, z)
n = float(sum(acgt))
acgt = [c/n for c in acgt]
z.meta['hist'] = h
z.meta['acgt'] = acgt
return
tmps = []
tmpnm = tmpfile('.pmc')
with container(tmpnm, 'w') as z:
for ix in px:
if len(ix) == 1:
nm = 'tmp-' + str(len(tmps))
tmps.append(nm)
with container(ix[0], 'r') as z0:
if K is None:
K = z0.meta['K']
else:
K0 = z0.meta['K']
if K0 != K:
print >> sys.stderr, "mismatched K"
sys.exit(1)
xs = readKmersAndCounts(z0)
writeKmersAndCounts(K, xs, z, nm)
else:
nm = 'tmp-' + str(len(tmps))
tmps.append(nm)
with container(ix[0], 'r') as z0:
if K is None:
K = z0.meta['K']
else:
K0 = z0.meta['K']
if K0 != K:
print >> sys.stderr, "mismatched K"
sys.exit(1)
xs = readKmersAndCounts(z0)
with container(ix[1], 'r') as z1:
K1 = z1.meta['K']
if K1 != K:
print >> sys.stderr, "mismatched K"
sys.exit(1)
ys = readKmersAndCounts(z1)
writeKmersAndCounts(K, merge(xs, ys), z, nm)
assert K is not None
with container(out, 'w') as z:
h = {}
acgt = [0, 0, 0, 0]
with container(tmpnm, 'r') as z0:
zs = None
for fn in tmps:
xs = readKmersAndCounts(z0, fn)
if zs is None:
zs = xs
else:
zs = merge(zs, xs)
zs = hist(zs, h, acgt)
writeKmersAndCounts(K, zs, z)
n = float(sum(acgt))
acgt = [c/n for c in acgt]
z.meta['hist'] = h
z.meta['acgt'] = acgt
os.remove(tmpnm)
def __init__(self, z, zfn, comp):
self.z = z
self.zfn = zfn
self.comp = comp
self.tfn = tmpfile('.szf')
self.tf = open(self.tfn, 'w')
def main(argv):
opts = docopt.docopt(__doc__, argv)
K = int(opts['<k>'])
out = opts['<output>']
Z = 1024 * 1024 * 32
if opts['-m'] is not None:
Z = 1024 * 1024 * int(opts['-m'])
buf = KmerAccumulator()
n = 0
tmps = []
acgt = [0, 0, 0, 0]
m = 0
d = None
if opts['-D'] is not None:
d = float(opts['-D'])
S = 0
if opts['-S'] is not None:
S = int(opts['-S'])
cacheYes = set([])
cacheNo = set([])
tmpnm = tmpfile('.pmc')
with container(tmpnm, 'w') as z:
pass
PN = 1024 * 1024
nr = 0
t0 = time.time()
for fn in opts['<input>']:
for rds in mkParser(fn):
for (nm, seq) in rds:
nr += 1
if nr & (PN - 1) == 0:
t1 = time.time()
print >> sys.stderr, 'reads processed:', nr, (PN) / (
t1 - t0), 'reads/second'
t0 = t1
#buf.stat()
xs = kmersList(K, seq, True)
if d is None:
buf.addList(xs)
for x in xs:
acgt[x & 3] += 1
m += 1
n += 1
else:
for x in xs:
if x in cacheNo:
continue
if x not in cacheYes:
if not sub(S, d, x):
cacheNo.add(x)
continue
cacheYes.add(x)
buf.add(x)
acgt[x & 3] += 1
m += 1
n += 1
if len(cacheYes) > 1000000:
cacheYes = set([])
if len(cacheNo) > 1000000:
cacheNo = set([])
if 8 * n >= Z:
fn = 'tmps-%d' % (len(tmps), )
#print >> sys.stderr, "writing " + fn + "\t" + tmpnm
tmps.append(fn)
with container(tmpnm, 'a') as z:
writeKmersAndCounts(K, mkPairs(buf.kmers()), z, fn)
buf.clear()
n = 0
t1 = time.time()
print >> sys.stderr, 'reads processed:', nr, (nr % PN) / (
t1 - t0), 'reads/second'
if len(tmps) and len(buf):
fn = 'tmps-%d' % (len(tmps), )
#print >> sys.stderr, "writing " + fn + "\t" + tmpnm
tmps.append(fn)
with container(tmpnm, 'a') as z:
writeKmersAndCounts(K, mkPairs(buf.kmers()), z, fn)
buf = []
while len(tmps) > 2:
tmpnm2 = tmpfile('.pmc')
tmps2 = []
with container(tmpnm, 'r') as z0, container(tmpnm2, 'w') as z:
ps = pairs(tmps)
for p in ps:
fn = 'tmps-%d' % (len(tmps2), )
tmps2.append(fn)
if len(p) == 1:
writeKmersAndCounts(K, readKmersAndCounts(z0, p[0]), z, fn)
continue
h = {}
merge2(z, K, readKmersAndCounts(z0, p[0]),
readKmersAndCounts(z0, p[1]), h, fn)
os.remove(tmpnm)
tmpnm = tmpnm2
tmps = tmps2
with container(out, 'w') as z:
h = {}
if len(tmps) == 0:
zs = hist(mkPairs(buf.kmers()), h)
writeKmersAndCounts(K, zs, z)
elif len(tmps) == 1:
with container(tmpnm, 'r') as z0:
writeKmersAndCounts(K, hist(readKmersAndCounts(z0, tmps[0]),
h), z)
else:
assert len(tmps) == 2
with container(tmpnm, 'r') as z0:
merge2(z, K, readKmersAndCounts(z0, tmps[0]),
readKmersAndCounts(z0, tmps[1]), h)
n = float(sum(acgt))
acgt = [c / n for c in acgt]
z.meta['hist'] = h
z.meta['acgt'] = acgt
z.meta['reads'] = nr
def test_autoremove_1():
nm = file.tmpfile('wibble')
with open(nm, 'w') as f:
print >> f, 'hello world'
assert os.path.isfile(nm)
os.remove(nm)
def test_autoremove_0():
nm = file.tmpfile('wibble')
assert not os.path.isfile(nm)
