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

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50def write_row(self, array):
51 """
52 write a row into the file
53 """
54 self.writer.writerow(array)
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75def writecsv(filename, rows, separator="\t", encoding="utf-8-sig"):
76 """Write the rows to the file.
77
78 :param filename: (str)
79 :param rows: (list)
80 :param separator: (str):
81 :param encoding: (str):
82
83 """
84 with codecs.open(filename, "w+", encoding) as f:
85 for row in rows:
86 tmp = []
87 for s in row:
88 if isinstance(s, (float, int)):
89 s = str(s)
90 else:
91 s = '"%s"' % s
92 tmp.append(s)
93 f.write('%s\n' % separator.join(tmp))
67def write_csv(writer, data):
68 writer.writerow(data)
163def write2csv(path, headers, rows):
164 with open(path, 'w', newline='') as file:
165 f_csv = csv.DictWriter(file, headers)
166 f_csv.writeheader()
167 f_csv.writerows(rows)
20def ToCsv(self,name='FileName.csv', DataToWrite=[
21 ["First", "Second", "Third"], ]):
22 #Write DataResult to CSV file
23 with open(name, 'w', newline='') as fp:
24 a = csv.writer(fp, delimiter=',')
25 a.writerows(DataToWrite)
11def read_csv(array, filename):
12 with open(filename, 'rb') as input_file:
13 foo = csv.reader(input_file)
14 for row in foo:
15 array.append(row)
16 return array
72def writeToCSV(dataToWrite, outputFileName):
73 with open(outputFileName, 'w') as csvfile:
74 w = csv.writer(csvfile, delimiter=',')
75 w.writerow(['song','pitch','diatonicNumber','beat','beatStrength','duration','IPA','vowelCategory','stress'])
76 for row in dataToWrite:
77 w.writerow(row)
78 print outputFileName, 'successfully created.'
51def write_csv(data):
52 if not os.path.isfile(FILE_PATH):
53 file = open(FILE_PATH, "a")
54 with file:
55 writer = csv.DictWriter(file, fieldnames=data)
56 writer.writeheader()
57
58 unique_id = data["email"]
59 if duplicate_check(unique_id, FILE_PATH):
60 return
61
62 file = open(FILE_PATH, "a")
63 with file:
64 writer = csv.DictWriter(file, fieldnames=data)
65 writer.writerow(data)
144def write_matrix(matrix, csv_filename=None):
145 with open(csv_filename, "w") as csv_file:
146 matrix.tofile(csv_file)
48def save_nparray_to_csv_file(folder, filename, nparray, sep=','):
49 """
50 Writes numpy array to csv file.
51
52 :param folder: Relative path to to folder.
53 :type folder: str
54
55 :param filename: Name of the file.
56 :type filename: str
57
58 :param nparray: Numpy array.
59
60 :param sep: Separator (DEFAULT: ',')
61 """
62 # Make sure folder exists.
63 os.makedirs(os.path.dirname(os.path.expanduser(folder) +'/'), exist_ok=True)
64
65 name = os.path.join(os.path.expanduser(folder), filename)
66 print(name)
67
68 # Write array to file, separate elements with commas.
69 nparray.tofile(name, sep=sep, format="%s")

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