Python pandas.compat.bytes_to_str() Examples
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code examples of pandas.compat.bytes_to_str().
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Example #1
Source File: ins.py From tia with BSD 3-Clause "New" or "Revised" License | 6 votes |
def get_dividends_yahoo(sid, start, end): # Taken from get_data_yahoo in Pandas library and adjust a single parameter to get dividends from pandas.compat import StringIO, bytes_to_str from pandas.io.common import urlopen start, end = pd.to_datetime(start), pd.to_datetime(end) url = ('http://ichart.finance.yahoo.com/table.csv?' + 's=%s' % sid + '&a=%s' % (start.month - 1) + '&b=%s' % start.day + '&c=%s' % start.year + '&d=%s' % (end.month - 1) + '&e=%s' % end.day + '&f=%s' % end.year + '&g=v' + # THE CHANGE '&ignore=.csv') with urlopen(url) as resp: lines = resp.read() rs = pd.read_csv(StringIO(bytes_to_str(lines)), index_col=0, parse_dates=True, na_values='-')[::-1] # Yahoo! Finance sometimes does this awesome thing where they # return 2 rows for the most recent business day if len(rs) > 2 and rs.index[-1] == rs.index[-2]: # pragma: no cover rs = rs[:-1] return rs
Example #2
Source File: common.py From recruit with Apache License 2.0 | 5 votes |
def __next__(self): newline = self.mmap.readline() # readline returns bytes, not str, in Python 3, # but Python's CSV reader expects str, so convert # the output to str before continuing if compat.PY3: newline = compat.bytes_to_str(newline) # mmap doesn't raise if reading past the allocated # data but instead returns an empty string, so raise # if that is returned if newline == '': raise StopIteration return newline
Example #3
Source File: common.py From vnpy_crypto with MIT License | 5 votes |
def __next__(self): newline = self.mmap.readline() # readline returns bytes, not str, in Python 3, # but Python's CSV reader expects str, so convert # the output to str before continuing if compat.PY3: newline = compat.bytes_to_str(newline) # mmap doesn't raise if reading past the allocated # data but instead returns an empty string, so raise # if that is returned if newline == '': raise StopIteration return newline
Example #4
Source File: clipboard.py From Computable with MIT License | 5 votes |
def read_clipboard(**kwargs): # pragma: no cover """ Read text from clipboard and pass to read_table. See read_table for the full argument list If unspecified, `sep` defaults to '\s+' Returns ------- parsed : DataFrame """ if kwargs.get('sep') is None and kwargs.get('delim_whitespace') is None: kwargs['sep'] = '\s+' from pandas.util.clipboard import clipboard_get from pandas.io.parsers import read_table text = clipboard_get() # try to decode (if needed on PY3) if compat.PY3: try: text = compat.bytes_to_str( text, encoding=(kwargs.get('encoding') or get_option('display.encoding')) ) except: pass return read_table(StringIO(text), **kwargs)
Example #5
Source File: common.py From predictive-maintenance-using-machine-learning with Apache License 2.0 | 5 votes |
def __next__(self): newline = self.mmap.readline() # readline returns bytes, not str, in Python 3, # but Python's CSV reader expects str, so convert # the output to str before continuing if compat.PY3: newline = compat.bytes_to_str(newline) # mmap doesn't raise if reading past the allocated # data but instead returns an empty string, so raise # if that is returned if newline == '': raise StopIteration return newline
Example #6
Source File: common.py From Splunking-Crime with GNU Affero General Public License v3.0 | 5 votes |
def __next__(self): newline = self.mmap.readline() # readline returns bytes, not str, in Python 3, # but Python's CSV reader expects str, so convert # the output to str before continuing if compat.PY3: newline = compat.bytes_to_str(newline) # mmap doesn't raise if reading past the allocated # data but instead returns an empty string, so raise # if that is returned if newline == '': raise StopIteration return newline
Example #7
Source File: common.py From elasticintel with GNU General Public License v3.0 | 5 votes |
def __next__(self): newline = self.mmap.readline() # readline returns bytes, not str, in Python 3, # but Python's CSV reader expects str, so convert # the output to str before continuing if compat.PY3: newline = compat.bytes_to_str(newline) # mmap doesn't raise if reading past the allocated # data but instead returns an empty string, so raise # if that is returned if newline == '': raise StopIteration return newline
Example #8
Source File: clipboards.py From Splunking-Crime with GNU Affero General Public License v3.0 | 4 votes |
def read_clipboard(sep='\s+', **kwargs): # pragma: no cover r""" Read text from clipboard and pass to read_table. See read_table for the full argument list Parameters ---------- sep : str, default '\s+'. A string or regex delimiter. The default of '\s+' denotes one or more whitespace characters. Returns ------- parsed : DataFrame """ encoding = kwargs.pop('encoding', 'utf-8') # only utf-8 is valid for passed value because that's what clipboard # supports if encoding is not None and encoding.lower().replace('-', '') != 'utf8': raise NotImplementedError( 'reading from clipboard only supports utf-8 encoding') from pandas.io.clipboard import clipboard_get from pandas.io.parsers import read_table text = clipboard_get() # try to decode (if needed on PY3) # Strange. linux py33 doesn't complain, win py33 does if compat.PY3: try: text = compat.bytes_to_str( text, encoding=(kwargs.get('encoding') or get_option('display.encoding')) ) except: pass # Excel copies into clipboard with \t separation # inspect no more then the 10 first lines, if they # all contain an equal number (>0) of tabs, infer # that this came from excel and set 'sep' accordingly lines = text[:10000].split('\n')[:-1][:10] # Need to remove leading white space, since read_table # accepts: # a b # 0 1 2 # 1 3 4 counts = set([x.lstrip().count('\t') for x in lines]) if len(lines) > 1 and len(counts) == 1 and counts.pop() != 0: sep = '\t' if sep is None and kwargs.get('delim_whitespace') is None: sep = '\s+' return read_table(StringIO(text), sep=sep, **kwargs)
Example #9
Source File: clipboards.py From elasticintel with GNU General Public License v3.0 | 4 votes |
def read_clipboard(sep='\s+', **kwargs): # pragma: no cover r""" Read text from clipboard and pass to read_table. See read_table for the full argument list Parameters ---------- sep : str, default '\s+'. A string or regex delimiter. The default of '\s+' denotes one or more whitespace characters. Returns ------- parsed : DataFrame """ encoding = kwargs.pop('encoding', 'utf-8') # only utf-8 is valid for passed value because that's what clipboard # supports if encoding is not None and encoding.lower().replace('-', '') != 'utf8': raise NotImplementedError( 'reading from clipboard only supports utf-8 encoding') from pandas.io.clipboard import clipboard_get from pandas.io.parsers import read_table text = clipboard_get() # try to decode (if needed on PY3) # Strange. linux py33 doesn't complain, win py33 does if compat.PY3: try: text = compat.bytes_to_str( text, encoding=(kwargs.get('encoding') or get_option('display.encoding')) ) except: pass # Excel copies into clipboard with \t separation # inspect no more then the 10 first lines, if they # all contain an equal number (>0) of tabs, infer # that this came from excel and set 'sep' accordingly lines = text[:10000].split('\n')[:-1][:10] # Need to remove leading white space, since read_table # accepts: # a b # 0 1 2 # 1 3 4 counts = set([x.lstrip().count('\t') for x in lines]) if len(lines) > 1 and len(counts) == 1 and counts.pop() != 0: sep = '\t' if sep is None and kwargs.get('delim_whitespace') is None: sep = '\s+' return read_table(StringIO(text), sep=sep, **kwargs)