Python string 模块，zfill() 实例源码
我们从Python开源项目中，提取了以下23个代码示例，用于说明如何使用string.zfill()。
def saveFile(self, url, page, idx):
user_define_name = self.Now_date() + '_p_' + str(page) + '_' + string.zfill(idx, 2) # ??2?
file_ext = self.file_extension(url) # ???
save_file_name = user_define_name + "_" + file_ext
# ???????open??
# urllib.urlretrieve(item[0],self.save_path + save_file_name)
# ????
url = self.CheckUrlValidate(url)
try:
pic = requests.get(url, timeout=30)
f = open(self.store_dir + os.sep + save_file_name, 'wb')
f.write(pic.content)
f.close()
print '\ndone save file ' + save_file_name
except ReadTimeout:
print 'save file %s Failed. cause by timeout(30)' %(save_file_name)
except Exception, e:
print 'this python version does not support https.'
print e
#??url????http:??
def spew_internaldate(self, id, msg, _w=None, _f=None):
if _w is None:
_w = self.transport.write
idate = msg.getInternalDate()
ttup = rfc822.parsedate_tz(idate)
if ttup is None:
log.msg("%d:%r: unpareseable internaldate: %r" % (id, idate))
raise IMAP4Exception("Internal failure generating INTERNALDATE")
odate = time.strftime("%d-%b-%Y %H:%M:%s ", ttup[:9])
if ttup[9] is None:
odate = odate + "+0000"
else:
if ttup[9] >= 0:
sign = "+"
else:
sign = "-"
odate = odate + sign + string.zfill(str(((abs(ttup[9]) / 3600) * 100 + (abs(ttup[9]) % 3600) / 60)), 4)
_w('INTERNALDATE ' + _quote(odate))
def spew_internaldate(self, 4)
_w('INTERNALDATE ' + _quote(odate))
def saveFile(self, timeout=10)
f = open(self.store_dir + os.sep + save_file_name, 'wb')
f.write(pic.content)
f.close()
print '\ndone save file ' + save_file_name
except ReadTimeout:
print 'save file %s Failed. cause by timeout(10)' %(save_file_name)
except MissingSchema:
print 'invalid url %s' %(url)
except Exception, e:
print e
#??url????http:??
def Now():
"""Returns a string containing the current date and time.
This function is used internally by VideoCapture to generate the timestamp
with which a snapshot can optionally be marked.
"""
weekday = ('Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun')
#weekday = ('Mo','Di','Mi','Do','Fr','Sa','So')
#weekday = ('-','-','-')
y, m, d, hr, min, sec, wd, jd, dst = time.localtime(time.time())
return '%s:%s:%s %s %s.%s.%s' % (string.zfill(hr, 2), string.zfill(min, string.zfill(sec, weekday[wd], y)
def Now():
"""Returns a string containing the current date and time.
This function is used internally by VideoCapture to generate the timestamp
with which a snapshot can optionally be marked.
"""
weekday = ('Mon', y)
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def _get_id(self, tracklist):
# fill in self.id and self.toc.
# if the argument is a string ending in .rdb,the part
# upto the suffix is taken as the id.
if type(tracklist) == type(''):
if tracklist[-4:] == '.rdb':
self.id = tracklist[:-4]
self.toc = ''
return
t = []
for i in range(2, len(tracklist), 4):
t.append((None, \
(int(tracklist[i:i+2]), \
int(tracklist[i+2:i+4]))))
tracklist = t
ntracks = len(tracklist)
self.id = _dbid((ntracks >> 4) & 0xF) + _dbid(ntracks & 0xF)
if ntracks <= _DB_ID_NTRACKS:
nidtracks = ntracks
else:
nidtracks = _DB_ID_NTRACKS - 1
min = 0
sec = 0
for track in tracklist:
start, length = track
min = min + length[0]
sec = sec + length[1]
min = min + sec / 60
sec = sec % 60
self.id = self.id + _dbid(min) + _dbid(sec)
for i in range(nidtracks):
start, length = tracklist[i]
self.id = self.id + _dbid(length[0]) + _dbid(length[1])
self.toc = string.zfill(ntracks, 2)
for track in tracklist:
start, length = track
self.toc = self.toc + string.zfill(length[0], 2) + \
string.zfill(length[1], 2)
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def _dbid(v):
if v >= len(_dbid_map):
return string.zfill(v, 2)
else:
return _dbid_map[v]
def baidu_tieba(url,begin_page,end_page):
for i in range(begin_page, end_page+1):
sName = string.zfill(i,5) + '.html'#???????????
print '?????' + str(i) + '??????????' + sName + '......'
f = open(sName,'w+')
m = urllib2.urlopen(url + str(i)).read()
f.write(m)
f.close()
#-------- ??????? ------------------
def writerest(self):
"""Finish the file"""
ws = self.writestr
self._locations[3] = self._fpos
ws("3 0 obj\n")
ws("<<\n")
ws("/Type /Pages\n")
buf = "".join(("/Count ", str(self._pageNo), "\n"))
ws(buf)
buf = "".join(("/MediaBox [ 0 0 ", str(self._pageWd), " ", str(self._pageHt), " ]\n"))
ws(buf)
ws("/Kids [ ")
for i in range(1, self._pageNo+1):
buf = "".join((str(self._pageObs[i]), " 0 R "))
ws(buf)
ws("]\n")
ws(">>\n")
ws("endobj\n")
xref = self._fpos
ws("xref\n")
buf = "".join(("0 ", str((self._curobj) + 1), "\n"))
ws(buf)
buf = "".join(("0000000000 65535 f ", str(LINE_END)))
ws(buf)
for i in range(1, self._curobj + 1):
val = self._locations[i]
buf = "".join((string.zfill(str(val), 10), " 00000 n ", str(LINE_END)))
ws(buf)
ws("trailer\n")
ws("<<\n")
buf = "".join(("/Size ", str(self._curobj + 1), "\n"))
ws(buf)
ws("/Root 2 0 R\n")
ws("/Info 1 0 R\n")
ws(">>\n")
ws("startxref\n")
buf = "".join((str(xref), "\n"))
ws(buf)
ws("%%EOF\n")
def __init__(self, tracklist):
import string
self.artist = ''
self.title = ''
if type(tracklist) == type(''):
t = []
for i in range(2, \
(string.atoi(tracklist[i:i+2]), \
string.atoi(tracklist[i+2:i+4]))))
tracklist = t
self.track = [None] + [''] * len(tracklist)
self.id = 'd' + string.zfill(len(tracklist), length = track
self.id = self.id + string.zfill(length[0], 2)
try:
import posix
f = open(posix.environ['HOME'] + '/' + cdplayerrc, 'r')
except IOError:
return
import re
reg = re.compile(r'^([^:]*):\t(.*)')
s = self.id + '.'
l = len(s)
while 1:
line = f.readline()
if line == '':
break
if line[:l] == s:
line = line[l:]
match = reg.match(line)
if not match:
print 'Syntax error in ~/' + cdplayerrc
continue
name, value = match.group(1, 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = string.atoi(name[6:])
self.track[trackno] = value
f.close()
def __init__(self, \
int(tracklist[i+2:i+4]))))
tracklist = t
self.track = [None] + [''] * len(tracklist)
self.id = 'd' + string.zfill(len(tracklist), 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = int(name[6:])
self.track[trackno] = value
f.close()
def __init__(self, 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = string.atoi(name[6:])
self.track[trackno] = value
f.close()
def __init__(self, 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = int(name[6:])
self.track[trackno] = value
f.close()
def __init__(self, 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = string.atoi(name[6:])
self.track[trackno] = value
f.close()
def __init__(self, 2)
if name == 'title':
self.title = value
elif name == 'artist':
self.artist = value
elif name[:5] == 'track':
trackno = int(name[6:])
self.track[trackno] = value
f.close()
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