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SciPy

Input and output

NumPy binary files (NPY, NPZ)

load(file[, mmap_mode, allow_pickle, ...])Load arrays or pickled objects from.npy,.npz or pickled files.
save(file, arr[, allow_pickle, fix_imports])Save an array to a binary file in NumPy.npy format.
savez(file, *args, **kwds)Save several arrays into a single file in uncompressed.npz format.
savez_compressed(file, *args, **kwds)Save several arrays into a single file in compressed.npz format.

The format of these binary file types is documented inhttp://docs.scipy.org/doc/numpy/neps/npy-format.html

Text files

loadtxt(fname[, dtype, comments, delimiter, ...])Load data from a text file.
savetxt(fname, X[, fmt, delimiter, newline, ...])Save an array to a text file.
genfromtxt(fname[, dtype, comments, ...])Load data from a text file, with missing values handled as specified.
fromregex(file, regexp, dtype)Construct an array from a text file, using regular expression parsing.
fromstring(string[, dtype, count, sep])A new 1-D array initialized from raw binary or text data in a string.
ndarray.tofile(fid[, sep, format])Write array to a file as text or binary (default).
ndarray.tolist()Return the array as a (possibly nested) list.

Raw binary files

fromfile(file[, dtype, count, sep])Construct an array from data in a text or binary file.
ndarray.tofile(fid[, sep, format])Write array to a file as text or binary (default).

String formatting

array2string(self, *args, **kwargs)Return a string representation of an array.
array_repr(arr[, max_line_width, precision, ...])Return the string representation of an array.
array_str(a[, max_line_width, precision, ...])Return a string representation of the data in an array.

Memory mapping files

memmapCreate a memory-map to an array stored in abinary file on disk.

Text formatting options

set_printoptions([precision, threshold, ...])Set printing options.
get_printoptions()Return the current print options.
set_string_function(f[, repr])Set a Python function to be used when pretty printing arrays.

Base-n representations

binary_repr(num[, width])Return the binary representation of the input number as a string.
base_repr(number[, base, padding])Return a string representation of a number in the given base system.

Data sources

DataSource([destpath])A generic data source file (file, http, ftp, ...).

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