10 examples of 'python write array to csv' in Python

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def write_row(self, array):
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    """
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    write a row into the file
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    """
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    self.writer.writerow(array)

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def writecsv(filename, rows, separator="\t", encoding="utf-8-sig"):
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    """Write the rows to the file.
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    :param filename: (str)
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    :param rows: (list)
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    :param separator: (str):
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    :param encoding: (str):
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    """
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    with codecs.open(filename, "w+", encoding) as f:
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        for row in rows:
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            tmp = []
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            for s in row:
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                if isinstance(s, (float, int)):
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                    s = str(s)
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                else:
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                    s = '"%s"' % s
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                tmp.append(s)
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            f.write('%s\n' % separator.join(tmp))

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def write_csv(writer, data):
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    writer.writerow(data)

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def write2csv(path, headers, rows):
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    with open(path, 'w', newline='') as file:
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        f_csv = csv.DictWriter(file, headers)
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        f_csv.writeheader()
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        f_csv.writerows(rows)

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def ToCsv(self,name='FileName.csv', DataToWrite=[
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    ["First", "Second", "Third"], ]):
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    #Write DataResult to CSV file
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    with open(name, 'w', newline='') as fp:
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        a = csv.writer(fp, delimiter=',')
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        a.writerows(DataToWrite)

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def read_csv(array, filename):
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    with open(filename, 'rb') as input_file:
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        foo = csv.reader(input_file)
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        for row in foo:
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            array.append(row)
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    return array

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def writeToCSV(dataToWrite, outputFileName):
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    with open(outputFileName, 'w') as csvfile:
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        w = csv.writer(csvfile, delimiter=',')
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        w.writerow(['song','pitch','diatonicNumber','beat','beatStrength','duration','IPA','vowelCategory','stress'])
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        for row in dataToWrite:
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            w.writerow(row)
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    print outputFileName, 'successfully created.'

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def write_csv(data):
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    if not os.path.isfile(FILE_PATH):
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        file = open(FILE_PATH, "a")
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        with file:
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            writer = csv.DictWriter(file, fieldnames=data)
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            writer.writeheader()
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    unique_id = data["email"]
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    if duplicate_check(unique_id, FILE_PATH):
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        return
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    file = open(FILE_PATH, "a")
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    with file:
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        writer = csv.DictWriter(file, fieldnames=data)
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        writer.writerow(data)

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def write_matrix(matrix, csv_filename=None):
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    with open(csv_filename, "w") as csv_file:
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        matrix.tofile(csv_file)

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def save_nparray_to_csv_file(folder, filename, nparray, sep=','):
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    """ 
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    Writes numpy array to csv file.
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    :param folder: Relative path to to folder.
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    :type folder: str
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    :param filename: Name of the file.
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    :type filename: str
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    :param nparray: Numpy array.
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    :param sep: Separator (DEFAULT: ',')
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    """
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    # Make sure folder exists.
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    os.makedirs(os.path.dirname(os.path.expanduser(folder) +'/'), exist_ok=True)
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    name = os.path.join(os.path.expanduser(folder), filename)
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    print(name)
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    # Write array to file, separate elements with commas.
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    nparray.tofile(name, sep=sep, format="%s")