70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
'''
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Library for creating reports that can be displayed easily in an HTML table
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and then saved as a CSV.
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'''
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import datetime
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import csv
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try: from cStringIO import StringIO
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except ImportError: from StringIO import StringIO
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class ReportTable(object):
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def __init__(self, column_names):
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assert isinstance(column_names, (list, tuple))
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self.column_names = column_names
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self.rows = []
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def add_row_dict(self, row_dict):
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'''Adds a row to the report table'''
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row = []
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for col_name in self.column_names:
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if col_name in row_dict:
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value = row_dict.pop(col_name)
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else:
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value = None
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row.append(value)
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if row_dict:
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raise Exception('Have left-over keys not under a column: %s' % row_dict)
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self.rows.append(row)
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def get_rows_html_formatted(self, date_format='%d/%m/%y %H:%M',
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blank_cell_html=''):
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for row in self.rows:
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row_formatted = row[:]
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for i, cell in enumerate(row):
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if isinstance(cell, datetime.datetime):
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row_formatted[i] = cell.strftime(date_format)
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elif cell is None:
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row_formatted[i] = blank_cell_html
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yield row_formatted
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def get_csv(self):
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csvout = StringIO()
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csvwriter = csv.writer(
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csvout,
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dialect='excel',
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quoting=csv.QUOTE_NONNUMERIC
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)
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csvwriter.writerow(self.column_names)
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for row in self.rows:
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row_formatted = []
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for cell in row:
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if isinstance(cell, datetime.datetime):
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cell = cell.strftime('%Y-%m-%d %H:%M')
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elif isinstance(cell, (int, long)):
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cell = str(cell)
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elif isinstance(cell, (list, tuple)):
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cell = str(cell)
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elif cell is None:
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cell = ''
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else:
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cell = cell.encode('utf8')
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row_formatted.append(cell)
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try:
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csvwriter.writerow(row_formatted)
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except Exception, e:
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raise Exception("%s: %s, %s"%(e, row, row_formatted))
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csvout.seek(0)
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return csvout.read()
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