class OperatingRevenueAssembler(): def __init__(self): self.base_xpath = '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/form/table/tr/td/table' self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() def assemble(self, param): content, stock_symbol = param['content'], param['stock_symbol'] self.content_screener.screen(param) html_object = self.__get_html_object(content) relative_html_object = self.__traverse_to_relative_html_object(html_object) column_name_list = self.__assemble_column_name_list(relative_html_object) row_list = self.__assemble_row_list(relative_html_object) return OperatingRevenueDao(column_name_list, row_list, stock_symbol, 'M') def __get_html_object(self, content): content = self.string_utils.normalize_string(content) content = content.replace(u'<br>', u'') return lxml.html.fromstring(content) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len(relative_html_object_list) > 0, 'invalid base_xpath (table_tags)' return relative_html_object_list[0] def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 5, 'invalid tr_tags' td_texts = tr_tags[5].xpath('./td/text()') assert len(td_texts) == 7, 'invalid td_texts size, should be 7' return [text.strip() for text in td_texts] def __assemble_row_list(self, relative_html_object): tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 5, 'invalid tr_tags' return [self.__assemble_row(tr_tag) for tr_tag in tr_tags[6:]] def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) assert len(td_texts) == 7, 'invalid td_texts size, should be 7' row = [] # should be stmt_date stmt_date = self.string_utils.from_local_string_to_date(td_texts[0]) row.append(stmt_date) # should be number for number_string in td_texts[1:]: number = self.string_utils.normalize_number(number_string) row.append(number) return row
def __init__(self): self.base_xpath = '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/form/table/tr/td/table' self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils()
class FinancialStatementAssembler(): def __init__(self, base_xpath_param, column_name_pos=0): self.base_xpath = self.__init_base_xpath(base_xpath_param) self.column_name_pos = column_name_pos self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() def __init_base_xpath(self, base_xpath_param): if base_xpath_param == 'basic': return '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/table/tr/td/table' elif base_xpath_param == 'form': return '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/form/table/tr/td/table' def assemble(self, param): content, stock_symbol = param['content'], param['stock_symbol'] self.content_screener.screen(param) html_object = self.__get_html_object(content) relative_html_object = self.__traverse_to_relative_html_object( html_object) column_name_list = self.__assemble_column_name_list( relative_html_object) row_list = self.__assemble_row_list(relative_html_object) return { 'stock_symbol': stock_symbol, 'column_name_list': column_name_list, 'row_list': row_list, } def __get_html_object(self, content): content = self.string_utils.normalize_string(content) content = content.replace(u'<br>', u'') return lxml.html.fromstring(content) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len( relative_html_object_list) > 0, 'invalid base_xpath (table_tags)' return relative_html_object_list[0] def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > self.column_name_pos, 'invalid tr_tags' td_texts = tr_tags[self.column_name_pos].xpath('./td/text()') # the first entry should be account column_name_list = [td_texts[0]] # the rest should be stmt_date for text in td_texts[1:]: stmt_date = self.string_utils.from_local_string_to_date(text) column_name_list.append(stmt_date) return column_name_list def __assemble_row_list(self, relative_html_object): tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > self.column_name_pos + 1, 'invalid tr_tags' return [ self.__assemble_row(tr_tag) for tr_tag in tr_tags[self.column_name_pos + 1:] ] def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) # return empty row if empty if not td_texts: return [] # the first entry should be account row = [td_texts[0].strip()] # the rest should be stmt_date for number_string in td_texts[1:]: number = self.string_utils.normalize_number(number_string) row.append(number) return row
class OperatingRevenueAssembler(): def __init__(self): self.base_xpath = '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/form/table/tr/td/table' self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() def assemble(self, param): content, stock_symbol = param['content'], param['stock_symbol'] self.content_screener.screen(param) html_object = self.__get_html_object(content) relative_html_object = self.__traverse_to_relative_html_object( html_object) column_name_list = self.__assemble_column_name_list( relative_html_object) row_list = self.__assemble_row_list(relative_html_object) return OperatingRevenueDao(column_name_list, row_list, stock_symbol, 'M') def __get_html_object(self, content): content = self.string_utils.normalize_string(content) content = content.replace(u'<br>', u'') return lxml.html.fromstring(content) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len( relative_html_object_list) > 0, 'invalid base_xpath (table_tags)' return relative_html_object_list[0] def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 5, 'invalid tr_tags' td_texts = tr_tags[5].xpath('./td/text()') assert len(td_texts) == 7, 'invalid td_texts size, should be 7' return [text.strip() for text in td_texts] def __assemble_row_list(self, relative_html_object): tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 5, 'invalid tr_tags' return [self.__assemble_row(tr_tag) for tr_tag in tr_tags[6:]] def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) assert len(td_texts) == 7, 'invalid td_texts size, should be 7' row = [] # should be stmt_date stmt_date = self.string_utils.from_local_string_to_date(td_texts[0]) row.append(stmt_date) # should be number for number_string in td_texts[1:]: number = self.string_utils.normalize_number(number_string) row.append(number) return row
def __init__(self, base_xpath_param, column_name_pos=0): self.base_xpath = self.__init_base_xpath(base_xpath_param) self.column_name_pos = column_name_pos self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils()
class BalanceSheetSummaryAssembler(): def __init__(self, period): self.base_xpath = '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/table/tr/td/table/tr/td/table' self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() self.period = period def assemble(self, param): content, stock_symbol = param['content'], param['stock_symbol'] self.content_screener.screen(param) html_object = self.__get_html_object(content) relative_html_object = self.__traverse_to_relative_html_object(html_object) column_name_list = self.__assemble_column_name_list(relative_html_object) row_list = self.__assemble_row_list(relative_html_object) short_period = None if self.period == 'quarterly': short_period = 'Q' elif self.period == 'yearly': short_period = 'Y' return BalanceSheetSummaryDao(column_name_list, row_list, stock_symbol, short_period) def __get_html_object(self, content): content = self.string_utils.normalize_string(content) content = content.replace(u'<br>', u'') return lxml.html.fromstring(content) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len(relative_html_object_list) > 1, 'invalid base_xpath (table_tags)' if self.period == 'quarterly': return relative_html_object_list[0] elif self.period == 'yearly': return relative_html_object_list[1] def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 0, 'invalid tr_tags' td_texts = tr_tags[0].xpath('./td/text()') # the first entry should be account column_name_list = [td_texts[0]] # the rest should be stmt_date for text in td_texts[1:]: stmt_date = self.string_utils.from_local_string_to_date(text) column_name_list.append(stmt_date) return column_name_list def __assemble_row_list(self, relative_html_object): tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 1, 'invalid tr_tags' return [self.__assemble_row(tr_tag) for tr_tag in tr_tags[1:]] def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) # the first entry should be account row = [td_texts[0]] # the rest should be stmt_date for number_string in td_texts[1:]: number = self.string_utils.normalize_number(number_string) row.append(number) return row
def __init__(self): self.base_xpath = '//html/body' self.string_utils = StringUtils() self.lxml_utils = LxmlUtils()
class StockSymbolAssembler(): def __init__(self): self.base_xpath = '//html/body' self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() def assemble(self, param): content = self.string_utils.normalize_string(param['content']) html_object = lxml.html.fromstring(content) relative_html_object = self.__traverse_to_relative_html_object(html_object) release_date = self.__assemble_release_date(relative_html_object) column_name_list = self.__assemble_column_name_list(relative_html_object) row_list = self.__assemble_row_list(relative_html_object) return StockSymbolDao(column_name_list, row_list, release_date) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len(relative_html_object_list) == 1, 'invalid base_xpath' return relative_html_object_list[0] def __assemble_release_date(self, relative_html_object): # try to get release date table_tags = relative_html_object.xpath('./table') assert len(table_tags) > 0, 'invalid table_tags' headline_tags = table_tags[0].xpath('./h2') assert len(headline_tags) > 0, 'invalid headline_tags' headline_texts = headline_tags[1].xpath('./strong/center') groups = self.string_utils.match(u'^最近更新日期:(.*)$', headline_texts[0].text.strip()) assert len(groups) > 0, 'could not match ^最近更新日期:(.*)$' release_date = self.string_utils.from_local_string_to_date(groups[0]) return release_date def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./table[@class="h4"]/tr') assert len(tr_tags) > 0, 'invalid tr_tags' # traverse and sanity check original_column_name_list = tr_tags[0].xpath('./td/text()') # handle the first column name: '有價證券代號及名稱' combined_column_name = original_column_name_list[0].strip() assert combined_column_name == u'有價證券代號及名稱', 'should be 有價證券代號及名稱 in unicode' # the chinese character '及' means 'and' so we need to seperate this column name seperated_column_name_list = combined_column_name.split(u'及') assert len(seperated_column_name_list) == 2 column_name_list = seperated_column_name_list + original_column_name_list[1:] assert len(column_name_list) == 8, 'invalid column_name_list size, should be 8' return column_name_list def __assemble_row_list(self, relative_html_object): # skip one row of column name list tr_tags = relative_html_object.xpath('./table[@class="h4"]/tr')[1:] row_list = [] for tr_tag in tr_tags: row = self.__assemble_row(tr_tag) # if there is only one cell '股票' in row, skip it if row: row_list.append(row) return row_list def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) # if there is only one cell '股票', return None if len(td_texts) == 1: return None # sanity check assert len(td_texts) == 7 # handle the first cell: '有價證券代號及名稱' # it should be seperated as stock symbol and stock name combined_cell = td_texts[0].strip() seperated_cell_list = combined_cell.split() assert len(seperated_cell_list) == 2 # convert to datetime.date type listing_date = self.string_utils.from_local_string_to_date(td_texts[2]) row = seperated_cell_list + [td_texts[1]] + [listing_date] + td_texts[3:] return row
class BalanceSheetSummaryAssembler(): def __init__(self, period): self.base_xpath = '//html/body/div[@id="SysJustIFRAMEDIV"]/table/tr/td/table/tr/td/table/tr/td/table' self.content_screener = ContentScreener() self.string_utils = StringUtils() self.lxml_utils = LxmlUtils() self.period = period def assemble(self, param): content, stock_symbol = param['content'], param['stock_symbol'] self.content_screener.screen(param) html_object = self.__get_html_object(content) relative_html_object = self.__traverse_to_relative_html_object( html_object) column_name_list = self.__assemble_column_name_list( relative_html_object) row_list = self.__assemble_row_list(relative_html_object) short_period = None if self.period == 'quarterly': short_period = 'Q' elif self.period == 'yearly': short_period = 'Y' return BalanceSheetSummaryDao(column_name_list, row_list, stock_symbol, short_period) def __get_html_object(self, content): content = self.string_utils.normalize_string(content) content = content.replace(u'<br>', u'') return lxml.html.fromstring(content) def __traverse_to_relative_html_object(self, html_object): relative_html_object_list = html_object.xpath(self.base_xpath) assert len( relative_html_object_list) > 1, 'invalid base_xpath (table_tags)' if self.period == 'quarterly': return relative_html_object_list[0] elif self.period == 'yearly': return relative_html_object_list[1] def __assemble_column_name_list(self, relative_html_object): # traverse and sanity check tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 0, 'invalid tr_tags' td_texts = tr_tags[0].xpath('./td/text()') # the first entry should be account column_name_list = [td_texts[0]] # the rest should be stmt_date for text in td_texts[1:]: stmt_date = self.string_utils.from_local_string_to_date(text) column_name_list.append(stmt_date) return column_name_list def __assemble_row_list(self, relative_html_object): tr_tags = relative_html_object.xpath('./tr') assert len(tr_tags) > 1, 'invalid tr_tags' return [self.__assemble_row(tr_tag) for tr_tag in tr_tags[1:]] def __assemble_row(self, relative_html_object): td_tags = relative_html_object.xpath('./td') td_texts = self.lxml_utils.get_text_list(td_tags) # the first entry should be account row = [td_texts[0]] # the rest should be stmt_date for number_string in td_texts[1:]: number = self.string_utils.normalize_number(number_string) row.append(number) return row