slightly more picky in what exceptions to catch, now complain when losing all labels
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parent
81a95b5158
commit
273874d3fb
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@ -1,14 +1,14 @@
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# -*- coding: UTF-8 no BOM -*-
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import os,sys
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import os, sys
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import numpy as np
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# ------------------------------------------------------------------
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# python 3 has no unicode object, this ensures that the code works on Python 2&3
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try:
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test=isinstance('test', unicode)
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except(NameError):
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unicode=str
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test = isinstance('test', unicode)
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except NameError:
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unicode = str
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# ------------------------------------------------------------------
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class ASCIItable():
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@ -63,16 +63,17 @@ class ASCIItable():
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x):
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try:
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return float(x)
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except:
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except ValueError:
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return 0.0
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# ------------------------------------------------------------------
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def _removeCRLF(self,
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string):
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string):
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"""delete any carriage return and line feed from string"""
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try:
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return string.replace('\n','').replace('\r','')
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except:
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return string
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except AttributeError:
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return str(string)
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# ------------------------------------------------------------------
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@ -93,22 +94,22 @@ class ASCIItable():
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# ------------------------------------------------------------------
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def input_close(self):
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try:
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# try:
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if self.__IO__['in'] != sys.stdin: self.__IO__['in'].close()
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except:
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pass
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# except:
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# pass
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# ------------------------------------------------------------------
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def output_write(self,
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what):
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"""Aggregate a single row (string) or list of (possibly containing further lists of) rows into output"""
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if not isinstance(what, (str, unicode)):
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if isinstance(what, (str, unicode)):
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self.__IO__['output'] += [what]
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else:
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try:
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for item in what: self.output_write(item)
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except:
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except TypeError:
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self.__IO__['output'] += [str(what)]
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else:
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self.__IO__['output'] += [what]
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return self.__IO__['buffered'] or self.output_flush()
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@ -129,10 +130,10 @@ class ASCIItable():
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# ------------------------------------------------------------------
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def output_close(self,
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dismiss = False):
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try:
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if self.__IO__['out'] != sys.stdout: self.__IO__['out'].close()
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except:
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pass
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# try:
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if self.__IO__['out'] != sys.stdout: self.__IO__['out'].close()
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# except:
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# pass
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if dismiss and os.path.isfile(self.__IO__['out'].name):
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os.remove(self.__IO__['out'].name)
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elif self.__IO__['inPlace']:
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@ -150,7 +151,7 @@ class ASCIItable():
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try:
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self.__IO__['in'].seek(0)
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except:
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except IOError:
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pass
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firstline = self.__IO__['in'].readline().strip()
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@ -170,7 +171,7 @@ class ASCIItable():
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else: # other table format
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try:
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self.__IO__['in'].seek(0) # try to rewind
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except:
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except IOError:
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self.__IO__['readBuffer'] = [firstline] # or at least save data in buffer
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while self.data_read(advance = False, respectLabels = False):
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@ -197,7 +198,9 @@ class ASCIItable():
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"""Write current header information (info + labels)"""
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head = ['{}\theader'.format(len(self.info)+self.__IO__['labeled'])] if header else []
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head.append(self.info)
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if self.__IO__['labeled']: head.append('\t'.join(map(self._quote,self.tags)))
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if self.__IO__['labeled']:
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head.append('\t'.join(map(self._quote,self.tags)))
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if len(self.tags) == 0: raise ValueError('no labels present.')
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return self.output_write(head)
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@ -257,13 +260,13 @@ class ASCIItable():
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what,
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reset = False):
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"""Add item or list to existing set of labels (and switch on labeling)"""
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if not isinstance(what, (str, unicode)):
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if isinstance(what, (str, unicode)):
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self.tags += [self._removeCRLF(what)]
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else:
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try:
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for item in what: self.labels_append(item)
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except:
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except TypeError:
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self.tags += [self._removeCRLF(str(what))]
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else:
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self.tags += [self._removeCRLF(what)]
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self.__IO__['labeled'] = True # switch on processing (in particular writing) of tags
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if reset: self.__IO__['tags'] = list(self.tags) # subsequent data_read uses current tags as data size
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@ -410,13 +413,13 @@ class ASCIItable():
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def info_append(self,
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what):
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"""Add item or list to existing set of infos"""
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if not isinstance(what, (str, unicode)):
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if isinstance(what, (str, unicode)):
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self.info += [self._removeCRLF(what)]
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else:
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try:
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for item in what: self.info_append(item)
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except:
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except TypeError:
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self.info += [self._removeCRLF(str(what))]
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else:
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self.info += [self._removeCRLF(what)]
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# ------------------------------------------------------------------
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def info_clear(self):
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@ -468,10 +471,8 @@ class ASCIItable():
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"""Read whole data of all (given) labels as numpy array"""
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from collections import Iterable
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try:
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self.data_rewind() # try to wind back to start of data
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except:
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pass # assume/hope we are at data start already...
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try: self.data_rewind() # try to wind back to start of data
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except: pass # assume/hope we are at data start already...
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if labels is None or labels == []:
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use = None # use all columns (and keep labels intact)
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@ -530,13 +531,13 @@ class ASCIItable():
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# ------------------------------------------------------------------
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def data_append(self,
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what):
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if not isinstance(what, (str, unicode)):
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if isinstance(what, (str, unicode)):
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self.data += [what]
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else:
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try:
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for item in what: self.data_append(item)
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except:
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except TypeError:
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self.data += [str(what)]
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else:
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self.data += [what]
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# ------------------------------------------------------------------
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def data_set(self,
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@ -581,7 +582,7 @@ class ASCIItable():
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if len(items) > 2:
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if items[1].lower() == 'of':
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items = np.ones(datatype(items[0]))*datatype(items[2])
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elif items[1].lower() == 'to':
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elif items[1].lower() == 'to':
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items = np.linspace(datatype(items[0]),datatype(items[2]),
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abs(datatype(items[2])-datatype(items[0]))+1,dtype=int)
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else: items = list(map(datatype,items))
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