def page(content, pagecallback=None):
"""
Output `content`, call `pagecallback` after every page with page
number as a parameter. `pagecallback` may return False to terminate
pagination.
Default callback shows prompt, waits for keypress and aborts on
'q', ESC or Ctrl-C.
"""
width = pager.getwidth()
height = pager.getheight()
pagenum = 1
print content.next()
try:
try:
line = content.next().rstrip("\r\n")
except AttributeError:
# Python 3 compatibility
line = content.__next__().rstrip("\r\n")
except StopIteration:
pagecallback(pagenum, height-1)
return
while True: # page cycle
linesleft = height-1 # leave the last line for the prompt callback
while linesleft:
linelist = [line[i:i+width] for i in range(0, len(line), width)]
if not linelist:
linelist = ['']
lines2print = min(len(linelist), linesleft)
for i in range(lines2print):
print(linelist[i])
linesleft -= lines2print
linelist = linelist[lines2print:]
if linelist: # prepare symbols left on the line for the next iteration
line = ''.join(linelist)
continue
else:
try:
try:
line = content.next().rstrip("\r\n")
except AttributeError:
# Python 3 compatibility
line = content.__next__().rstrip("\r\n")
except StopIteration:
pagecallback(pagenum, linesleft)
return
if pagecallback(pagenum, linesleft) == False:
return
pagenum += 1
def get_map(self):
width, height = pager.getwidth() * self.scaling, pager.getheight(
) * self.scaling
minx, miny, maxx, maxy = (
self.center[0] - (width / float(2) + self.gutter) * self.res,
self.center[1] - (height / float(2) + self.gutter) * self.res,
self.center[0] + (width / float(2) + self.gutter) * self.res,
self.center[1] + (height / float(2) + self.gutter) * self.res)
bbox = (miny, minx, maxy, maxx) if self.invert_axis else (minx, miny,
maxx, maxy)
params = {
"width": int(width + self.gutter * 2),
"height": int(height + self.gutter * 2),
"bbox": ",".join(str(x) for x in bbox),
"layers": self.layer,
"format": self.format,
"request": "GetMap",
"version": ".".join(str(x) for x in self.version),
"service": "WMS"
}
if self.version >= (1, 3, 0):
params["crs"] = self.srs
else:
params["srs"] = self.srs
if self.style:
params["style"] = self.style
r = self.session.get(self.url, params=params)
self.last_error = None
if r.status_code != 200 or not r.headers.get(
"Content-Type").startswith("image/"):
self.last_error = r.text
return None
try:
img = Image.open(io.BytesIO(r.content))
img = process_image(img, self.gutter, self.scaling)
return img
except IOError as e:
self.last_error = str(e)
return None
import argparse
import pydoc
import pager
from texttable import Texttable
from .ntripbrowser import NtripBrowser
from .ntripbrowser import ExceededTimeoutError, UnableToConnect, NoDataReceivedFromCaster
from .ntripbrowser import CAS_HEADERS, STR_HEADERS, NET_HEADERS
SCREEN_WIDTH = pager.getwidth()
def argparser():
parser = argparse.ArgumentParser(description='Parse NTRIP sourcetable')
parser.add_argument('url', help='NTRIP sourcetable address')
parser.add_argument('-p',
'--port',
type=int,
help='Set url port. Standard port is 2101',
default=2101)
parser.add_argument('-t',
'--timeout',
type=int,
help='add timeout',
default=4)
parser.add_argument('-c',
'--coordinates',
help='Add NTRIP station distance to this coordinate',
nargs=2)
parser.add_argument(
def pan_right(self):
self.center = self.center[0] + int(self.res * pager.getwidth() * self.pan_factor * self.scaling), \
self.center[1]
def print_progress(msg, width=None):
if not width:
width = getwidth()
sys.stderr.write(colored('\r' + ' '*width + '\r' + msg[0 : width -1], 'green'))
sys.stderr.flush()