Re: [Tutor] Does matplotlib.finance still work?
Thanks Alan. You are right, the finance.py is there.
I think quotes_historical_yahoo is from 3 years ago. It is replaced by
quotes_historical_yahoo_ochl and quotes_historical_yahoo_ohlc.
But the problem is, yahoo finance has also changed its API (2 years ago?).
It is a complete overhaul.
quotes_historical_yahoo_ochl has not kept up. Thus, the error message.
help(quotes_historical_yahoo_ochl)
--
Help on function quotes_historical_yahoo_ochl in module matplotlib.finance:
quotes_historical_yahoo_ochl(ticker, date1, date2, asobject=False,
adjusted=True, cachename=None) Get historical data for ticker between date1
and date2. See :func:`parse_yahoo_historical` for explanation of output
formats and the *asobject* and *adjusted* kwargs. Parameters --
ticker : str stock ticker date1 : sequence of form (year, month, day),
`datetime`, or `date` start date date2 : sequence of form (year, month,
day), `datetime`, or `date` end date cachename : str or `None` is the name
of the local file cache. If None, will default to the md5 hash or the url
(which incorporates the ticker and date range) Examples >>> sp =
f.quotes_historical_yahoo_ochl('^GSPC', d1, d2, asobject=True,
adjusted=True) >>> returns = (sp.open[1:] - sp.open[:-1])/sp.open[1:] >>>
[n,bins,patches] = hist(returns, 100) >>> mu = mean(returns) >>> sigma =
std(returns) >>> x = normpdf(bins, mu, sigma) >>> plot(bins, x,
color='red', lw=2)
Thank you very much!
On Fri, Aug 25, 2017 at 1:01 PM, Alan Gauld via Tutor
wrote:
> On 25/08/17 15:19, C W wrote:
> > I did not mean to leave out the error message, it was very long.
>
> That just means it has a lot of information in it :-)
>
> > I think the package has been removed.
>
> I don;t think so based on the traceback...
>
> quotes = quotes_historical_yahoo_ochl('APX', start, ... )
> > --
> > TypeError: quotes_historical_yahoo_ochl() missing 1 required positional
> > argument: 'date2'
>
> Did you check what parameters were required for this function?
> The error says you are missing one.
>
> > /Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
>
> Note the filename. That suggests finance.py is still there.
>
> > quotes_historical_yahoo_ochl(ticker, date1, date2, asobject, adjusted,
> > cachename) 411 return _quotes_historical_yahoo(ticker, date1, date2,
> > asobject=asobject, 412 adjusted=adjusted, cachename=cachename, --> 413
> > ochl=True) 414 415
> > /Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
> > _quotes_historical_yahoo(ticker, date1, date2, asobject, adjusted,
> > cachename, ochl) 501 # warnings.warn("Recommend changing to
> asobject=None")
> > 502 --> 503 fh = fetch_historical_yahoo(ticker, date1, date2, cachename)
> 504
> > 505 try:
>
> Some warnings there that might be relevant, I don't know
> anything about the package or function.
>
> You could try running the help() function:
>
> >>> help(quotes_historical_yahoo_ochl)
>
> And see if it shows anything useful.
>
> --
> Alan G
> Author of the Learn to Program web site
> http://www.alan-g.me.uk/
> http://www.amazon.com/author/alan_gauld
> Follow my photo-blog on Flickr at:
> http://www.flickr.com/photos/alangauldphotos
>
>
> ___
> Tutor maillist - Tutor@python.org
> To unsubscribe or change subscription options:
> https://mail.python.org/mailman/listinfo/tutor
>
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Re: [Tutor] Does matplotlib.finance still work?
On 25/08/17 15:19, C W wrote:
> I did not mean to leave out the error message, it was very long.
That just means it has a lot of information in it :-)
> I think the package has been removed.
I don;t think so based on the traceback...
quotes = quotes_historical_yahoo_ochl('APX', start, ... )
> --
> TypeError: quotes_historical_yahoo_ochl() missing 1 required positional
> argument: 'date2'
Did you check what parameters were required for this function?
The error says you are missing one.
> /Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
Note the filename. That suggests finance.py is still there.
> quotes_historical_yahoo_ochl(ticker, date1, date2, asobject, adjusted,
> cachename) 411 return _quotes_historical_yahoo(ticker, date1, date2,
> asobject=asobject, 412 adjusted=adjusted, cachename=cachename, --> 413
> ochl=True) 414 415
> /Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
> _quotes_historical_yahoo(ticker, date1, date2, asobject, adjusted,
> cachename, ochl) 501 # warnings.warn("Recommend changing to asobject=None")
> 502 --> 503 fh = fetch_historical_yahoo(ticker, date1, date2, cachename) 504
> 505 try:
Some warnings there that might be relevant, I don't know
anything about the package or function.
You could try running the help() function:
>>> help(quotes_historical_yahoo_ochl)
And see if it shows anything useful.
--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos
___
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Re: [Tutor] Does matplotlib.finance still work?
I did not mean to leave out the error message, it was very long. I think
the package has been removed.
Anyways, it's here:
>>> quotes = quotes_historical_yahoo_ochl('APX', start, ... )
--
TypeError: quotes_historical_yahoo_ochl() missing 1 required positional
argument: 'date2'
---
TypeError Traceback (most recent call last)
in () > 1 quotes =
quotes_historical_yahoo_ochl('APX', start, 2 )
TypeError: quotes_historical_yahoo_ochl() missing 1 required positional
argument: 'date2'
--
--
>>>
--
>>> quotes = quotes_historical_yahoo_ochl('APX', start, today)
--
URLError:
---
gaierror Traceback (most recent call last)
/Users/anaconda/lib/python3.6/urllib/request.py in do_open(self,
http_class, req, **http_conn_args) 1317 h.request(req.get_method(),
req.selector, req.data, headers, -> 1318
encode_chunked=req.has_header('Transfer-encoding')) 1319 except OSError as
err: # timeout error
/Users/anaconda/lib/python3.6/http/client.py in request(self, method, url,
body, headers, encode_chunked) 1238 """Send a complete request to the
server.""" -> 1239 self._send_request(method, url, body, headers,
encode_chunked) 1240
/Users/anaconda/lib/python3.6/http/client.py in _send_request(self, method,
url, body, headers, encode_chunked) 1284 body = _encode(body, 'body') ->
1285 self.endheaders(body, encode_chunked=encode_chunked) 1286
/Users/anaconda/lib/python3.6/http/client.py in endheaders(self,
message_body, encode_chunked) 1233 raise CannotSendHeader() -> 1234 self.
_send_output(message_body, encode_chunked=encode_chunked) 1235
/Users/anaconda/lib/python3.6/http/client.py in _send_output(self,
message_body, encode_chunked) 1025 del self._buffer[:] -> 1026 self.send(msg
) 1027
/Users/anaconda/lib/python3.6/http/client.py in send(self, data) 963 if self
.auto_open: --> 964 self.connect() 965 else:
/Users/anaconda/lib/python3.6/http/client.py in connect(self) 935 self.sock
= self._create_connection( --> 936 (self.host,self.port), self.timeout,
self.source_address) 937 self.sock.setsockopt(socket.IPPROTO_TCP, socket.
TCP_NODELAY, 1)
/Users/anaconda/lib/python3.6/socket.py in create_connection(address,
timeout, source_address) 703 err = None --> 704 for res in getaddrinfo(host,
port, 0, SOCK_STREAM): 705 af, socktype, proto, canonname, sa = res
/Users/anaconda/lib/python3.6/socket.py in getaddrinfo(host, port, family,
type, proto, flags) 742 addrlist = [] --> 743 for res in _socket.getaddrinfo
(host, port, family, type, proto, flags): 744 af, socktype, proto, canonname
, sa = res
gaierror: [Errno 8] nodename nor servname provided, or not known
During handling of the above exception, another exception occurred:
URLError Traceback (most recent call last)
in () > 1 quotes =
quotes_historical_yahoo_ochl('APX', start, today)
/Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
quotes_historical_yahoo_ochl(ticker, date1, date2, asobject, adjusted,
cachename) 411 return _quotes_historical_yahoo(ticker, date1, date2,
asobject=asobject, 412 adjusted=adjusted, cachename=cachename, --> 413
ochl=True) 414 415
/Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
_quotes_historical_yahoo(ticker, date1, date2, asobject, adjusted,
cachename, ochl) 501 # warnings.warn("Recommend changing to asobject=None")
502 --> 503 fh = fetch_historical_yahoo(ticker, date1, date2, cachename) 504
505 try:
/Users/anaconda/lib/python3.6/site-packages/matplotlib/finance.py in
fetch_historical_yahoo(ticker, date1, date2, cachename, dividends) 360 else:
361 mkdirs(os.path.abspath(os.path.dirname(cachename))) --> 362 with
contextlib.closing(urlopen(url)) as urlfh: 363 with open(cachename, 'wb') as
fh: 364 fh.write(urlfh.read())
/Users/anaconda/lib/python3.6/urllib/request.py in urlopen(url, data,
timeout, cafile, capath, cadefault, context) 221 else: 222 opener = _opener -->
223 return opener.open(url, data, timeout) 224 225 def install_opener(opener
):
/Users/anaconda/lib/python3.6/urllib/request.py in open(self, fullurl,
data, timeout) 524 req = meth(req) 525 --> 526 response = self._open(req,
data) 527 528 # post-process response
/Users/anaconda/lib/python3.6/urllib/request.py in _open(self, req, data)
542 protocol = req.type 543 result = self._call_chain(self.handle_open,
protocol, protocol + --> 544 '_open', req) 545 if result: 546 return result
/Users/anaconda/lib/python3.6/urllib/request.py in _call_chain(self, chain,
kind, meth_name, *args) 502 for handler in handlers: 503 func = getattr(
handler, meth_name) --> 504 result = func(*args) 505 if result is not None:
506 return result
/Users/anaconda/lib/python3.6/urllib/request.py in http_open(self, req) 1344
1345 def http_open(self, req): -> 1346 return self.do_open(http.client.
HTTPConnec
Re: [Tutor] Does matplotlib.finance still work?
On 24/08/2017 18:46, Alan Gauld via Tutor wrote: On 24/08/17 14:51, C W wrote: I have the following code, I get an error at the first line. So don't make us guess. What is the error(full text please)? from matplotlib.finance import quotes_historical_yahoo_ochl And what does a dir() show for matplotlib.finance? Are you sure the name is spelled right etc? I have heard this package is either upgraded or replaced. If so, what do you recommend? Contact its author perhaps? Is this the answer, perhaps. >>>import matplotlib >>>dir(matplotlib.finance) >>>Traceback (most recent call last): File "", line 1, in dir(matplotlib.finance) AttributeError: module 'matplotlib' has no attribute 'finance' Thanks to Alan G? for his excellent teaching. -- Sydney ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
Re: [Tutor] Does matplotlib.finance still work?
On 24/08/17 14:51, C W wrote: > I have the following code, I get an error at the first line. So don't make us guess. What is the error(full text please)? > from matplotlib.finance import quotes_historical_yahoo_ochl And what does a dir() show for matplotlib.finance? Are you sure the name is spelled right etc? > I have heard this package is either upgraded or replaced. If so, what do > you recommend? Contact its author perhaps? -- Alan G Author of the Learn to Program web site http://www.alan-g.me.uk/ http://www.amazon.com/author/alan_gauld Follow my photo-blog on Flickr at: http://www.flickr.com/photos/alangauldphotos ___ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
[Tutor] Does matplotlib.finance still work?
Hello all,
I have the following code, I get an error at the first line.
from matplotlib.finance import quotes_historical_yahoo_ochl
from datetime import date
import pandas as pd
today = date.today()
start = date(today.year-1, today.month, today.day)
quotes = quotes_historical_yahoo_ochl('APX', start, today)
I have heard this package is either upgraded or replaced. If so, what do
you recommend?
Thanks!
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