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Ovvpfile: převedení mezer na taby

export_seznamu_prednasek
Pavel "LEdoian" Turinsky 3 years ago
parent
commit
5e07412d92
  1. 128
      aesop/ovvpfile.py

128
aesop/ovvpfile.py

@ -1,81 +1,81 @@
# -*- coding: utf-8 -*- # -*- coding: utf-8 -*-
try: try:
from django.http import HttpResponse from django.http import HttpResponse
from django.utils.encoding import force_text from django.utils.encoding import force_text
except: except:
force_text = str force_text = str
class OvvpFile(object): class OvvpFile(object):
def __init__(self): def __init__(self):
# { header: value, ... } # { header: value, ... }
self.headers = {} self.headers = {}
# [ 'column-name', ... ] # [ 'column-name', ... ]
self.columns = [] self.columns = []
# [ { column: value, ...}, ...] # [ { column: value, ...}, ...]
self.rows = [] self.rows = []
def to_lines(self): def to_lines(self):
# header # header
for hk in sorted(self.headers.keys()): for hk in sorted(self.headers.keys()):
yield '%s\t%s\n' % (hk, self.headers[hk]) yield '%s\t%s\n' % (hk, self.headers[hk])
yield '\n' yield '\n'
# columns # columns
yield '\t'.join([c for c in self.columns]) + '\n' yield '\t'.join([c for c in self.columns]) + '\n'
# rows # rows
for r in self.rows: for r in self.rows:
yield '\t'.join([force_text(r[c]) for c in self.columns]) + '\n' yield '\t'.join([force_text(r[c]) for c in self.columns]) + '\n'
def to_string(self): def to_string(self):
return ''.join(self.to_lines()) return ''.join(self.to_lines())
def to_HttpResponse(self): def to_HttpResponse(self):
return HttpResponse(self.to_string(), content_type='text/plain; charset=utf-8') return HttpResponse(self.to_string(), content_type='text/plain; charset=utf-8')
def parse_from(self, source, with_headers=True): def parse_from(self, source, with_headers=True):
"Parse data from file, string or line iterator, overwriting self" "Parse data from file, string or line iterator, overwriting self"
if isinstance(source, str) or isinstance(source, unicode): if isinstance(source, str) or isinstance(source, unicode):
return self.parse_from(source.split('\n')) return self.parse_from(source.split('\n'))
it = iter(source) it = iter(source)
# header # header
self.headers = {} self.headers = {}
if with_headers: if with_headers:
for r in it: for r in it:
if isinstance(r, str): if isinstance(r, str):
r = r.decode('utf8') r = r.decode('utf8')
assert isinstance(r, unicode) assert isinstance(r, unicode)
r = r.rstrip('\n') r = r.rstrip('\n')
if r == u"": if r == u"":
break break
k, v = r.split(u'\t', 1) k, v = r.split(u'\t', 1)
self.headers[k] = v self.headers[k] = v
# columns # columns
r = it.next() r = it.next()
if isinstance(r, str): if isinstance(r, str):
r = r.decode('utf8') r = r.decode('utf8')
self.columns = [cn.strip() for cn in r.split(u'\t') if cn.strip() != ""] self.columns = [cn.strip() for cn in r.split(u'\t') if cn.strip() != ""]
# rows # rows
self.rows = [] self.rows = []
for r in it: for r in it:
if isinstance(r, str): if isinstance(r, str):
r = r.decode('utf8') r = r.decode('utf8')
r = r.rstrip('\n') r = r.rstrip('\n')
if not r: if not r:
break break
rtup = r.split(u'\t') rtup = r.split(u'\t')
rdict = {} rdict = {}
for ci in range(len(self.columns)): for ci in range(len(self.columns)):
rdict[self.columns[ci]] = rtup[ci] rdict[self.columns[ci]] = rtup[ci]
self.rows.append(rdict) self.rows.append(rdict)
def parse(source, with_headers=True): def parse(source, with_headers=True):
o = OvvpFile() o = OvvpFile()
o.parse_from(source, with_headers=with_headers) o.parse_from(source, with_headers=with_headers)
return o return o

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