# Create a row-wise ntuple in an HBOOK file.
schema = hep.table.Schema()
schema.addColumn("index", "int32")
schema.addColumn("value32", "float32")
schema.addColumn("value64", "float64")
hbook_file = create("cwn1.hbook")
table = createTable("cwn", hbook_file, schema, column_wise=1)
# Fill it with random values, saving these in an array.
values = []
for i in xrange(0, 100):
value = random()
values.append(value)
table.append(index=i, value32=value, value64=value)
del table, hbook_file
# Open the ntuple.
table = open("cwn1.hbook")["cwn"]
assert_(table.column_wise)
compare(len(table), 100)
# Compare the values in it to the array.
i = 0
for row in table:
compare(row["index"], i)
compare(row["value32"], values[i], precision=1e-6)
compare(row["value64"], values[i], precision=1e-9)
i += 1
del row, table
from hep.cernlib import hbook
import sys
def ls(hbook_dir, indent=0):
# Loop over directory elements in 'path'.
for name in hbook_dir.keys():
info = hbook_dir.getinfo(name)
print "%s%s%s%5d %s" % (" " * indent, name,
" " * (40 - indent - len(name)),
info.rz_id, info.type)
# If it's a directory, list its contents recursively.
if info.type == "directory":
ls(hbook_dir[name], indent + 1)
ls(hbook.open(sys.argv[1]))
from hep.cernlib import hbook
def copy(src_dir, dest_dir):
# Loop over directory elements in 'path'.
for name in src_dir.keys():
info = src_dir.getInfo(name)
if info.is_directory:
# It's a directory. Make the destination directory, and
# call ourselves recursively to copy its contents.
copy(src_dir[name], dest_dir.mkdir(name))
elif info.type in ("1D histogram", "2D histogram"):
# It's a histogram. Load it, and save it to the destination.
dest_dir[name] = src_dir[name]
# Ignore other types of entries.
if __name__ == "__main__":
import sys
copy(hbook.open(sys.argv[1]), hbook.create(sys.argv[2]))
def ls(hbook_path, path):
keys = hbook.open(hbook_path)[path].keys()
keys.sort()
return keys
from hep.bool import *
from hep.cernlib import hbook
from hep.test import compare
#-----------------------------------------------------------------------
# test
#-----------------------------------------------------------------------
hbook_file = hbook.create("remove2.hbook")
hbook_file.mkdir("dir1")
hbook_file.mkdir("dir2")
hbook_file.mkdir("dir3")
hbook_file.mkdir("dir3/dir4")
del hbook_file
def ls(hbook_path, path):
keys = hbook.open(hbook_path)[path].keys()
keys.sort()
return keys
compare(ls("remove2.hbook", ""), ["dir1", "dir2", "dir3"])
compare(ls("remove2.hbook", "dir3"), ["dir4"])
del hbook.open("remove2.hbook", writable=True)["dir2"]
compare(ls("remove2.hbook", ""), ["dir1", "dir3"])
compare(ls("remove2.hbook", "dir3"), ["dir4"])
del hbook.open("remove2.hbook", writable=True)["dir3/dir4"]
compare(ls("remove2.hbook", ""), ["dir1", "dir3"])
compare(ls("remove2.hbook", "dir3"), [])
#-----------------------------------------------------------------------
# test
#-----------------------------------------------------------------------
hbook_file = hbook.create("remove1.hbook")
hbook_file.mkdir("dir1")
hbook_file.mkdir("dir2")
histograms = [ Histogram1D(10, (0., 1.)) for i in range(0, 4) ]
hbook_file.set("hist0", histograms[0], rz_id=100)
hbook_file.set("hist1", histograms[1], rz_id=101)
hbook_file.set("dir1/hist2", histograms[2], rz_id=100)
hbook_file.set("dir2/hist3", histograms[3], rz_id=100)
del hbook_file, histograms
del hbook.open("remove1.hbook", writable=True)["hist1"]
hbook_file = hbook.open("remove1.hbook")
compare(len(hbook_file.keys()), 3)
compare(hbook_file["dir1"].keys(), ["hist2"])
compare(hbook_file["dir2"].keys(), ["hist3"])
del hbook_file
del hbook.open("remove1.hbook", writable=True)["dir2/hist3"]
hbook_file = hbook.open("remove1.hbook")
compare(len(hbook_file.keys()), 3)
compare(hbook_file["dir1"].keys(), ["hist2"])
compare(hbook_file["dir2"].keys(), [])
del hbook_file