Resolves: #1598913 - units_cur: validate rate data from server
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Kamil Dudka
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152
0001-units-2.17-units_cur-validate.patch
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152
0001-units-2.17-units_cur-validate.patch
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From 9d1129f41f193a47d6791f44f14abe9479999266 Mon Sep 17 00:00:00 2001
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From: Kamil Dudka <kdudka@redhat.com>
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Date: Wed, 8 Aug 2018 17:42:17 +0200
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Subject: [PATCH] units_cur: validate rate data from server
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---
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units_cur | 72 ++++++++++++++++++++++++++++++++++++++++++-------------
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1 file changed, 55 insertions(+), 17 deletions(-)
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diff --git a/units_cur b/units_cur
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index 00281d8..d625570 100755
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--- a/units_cur
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+++ b/units_cur
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@@ -28,8 +28,12 @@ from __future__ import absolute_import, division, print_function
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#
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#
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-version = '4.2'
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+version = '4.3'
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+# Version 4.3: 20 July 2018
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+#
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+# Validate rate data from server
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+#
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# Version 4.2: 18 April 2018
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#
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# Handle case of empty/malformed entry returned from the server
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@@ -55,6 +59,10 @@ from sys import exit, stderr, stdout
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outfile_name = 'currency.units'
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+# valid metals
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+
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+validmetals = ['silver','gold','platinum']
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+
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# This exchange rate table lists the currency ISO 4217 codes, their
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# long text names, and any fixed definitions. If the definition is
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# empty then units_cur will query the server for a value.
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@@ -271,11 +279,19 @@ ap.add_argument('-v','--verbose',
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help='display details when fetching currency data',
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)
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+
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+def validfloat(x):
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+ try:
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+ float(x)
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+ return True
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+ except ValueError:
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+ return False
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+
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outfile_name = ap.parse_args().output_file
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verbose = ap.parse_args().verbose
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try:
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- res = requests.get('http://finance.yahoo.com/webservice/v1/symbols'
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+ res = requests.get('https://finance.yahoo.com/webservice/v1/symbols'
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'/allcurrencies/quote?format=json')
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res.raise_for_status()
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webdata = res.json()['list']['resources']
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@@ -299,10 +315,16 @@ for data in webdata:
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stderr.write('Got unknown currency with code {}\n'.format(code))
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else:
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if not currency[code][rate_index]:
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- currency[code][rate_index] = '1|{} US$'.format(rate)
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+ if validfloat(rate):
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+ currency[code][rate_index] = '1|{} US$'.format(rate)
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+ else:
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+ stderr.write('Got invalid rate "{}" for currency "{}"\n'.format(
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+ rate, code))
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elif verbose:
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- stderr.write('Got value "{}" for currency "{}" but '
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- 'it is already defined\n'.format(rate, code))
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+ if currency[code][rate_index] != '1|{} US$'.format(rate):
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+ stderr.write('Got value "{}" for currency "{}" but '
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+ 'it is already defined as {}\n'.format(rate, code,
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+ currency[code][rate_index]))
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# Delete currencies where we have no rate data
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@@ -313,17 +335,15 @@ for code in currency.keys():
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del currency[code]
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try:
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- req = requests.get('http://services.packetizer.com/spotprices/?f=json')
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+ req = requests.get('https://services.packetizer.com/spotprices/?f=json')
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req.raise_for_status()
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metals = req.json()
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except requests.exceptions.RequestException as e:
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stderr.write('Error connecting to spotprices server:\n{}\n'.format(e))
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exit(1)
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-del metals['date']
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-
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try:
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- req = requests.get('http://services.packetizer.com/btc/?f=json')
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+ req = requests.get('https://services.packetizer.com/btc/?f=json')
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req.raise_for_status()
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bitcoin = req.json()
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except requests.exceptions.RequestException as e:
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@@ -344,13 +364,31 @@ ratestr = '\n'.join(
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'{:{}}{}'.format(name, maxlen, rate) for (name, rate) in zip(cnames, crates)
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)
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-ozzystr = '\n'.join('{:19}{} US$/troyounce'.format(
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- metal + 'price',
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- price,
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- ) for metal, price in metals.items())
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-
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-bitcoinstr = '{:{}}{} US$ # From services.packetizer.com/btc\n'.format(
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+metallist = ['']*len(validmetals)
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+for metal, price in metals.items():
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+ if metal in validmetals:
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+ metalindex = validmetals.index(metal)
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+ if validfloat(price):
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+ if not metallist[metalindex]:
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+ metallist[validmetals.index(metal)] = '{:19}{} US$/troyounce'.format(
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+ metal + 'price', price)
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+ elif verbose:
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+ stderr.write('Got value "{}" for metal "{}" but '
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+ 'it is already defined\n'.format(price,metal))
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+ else:
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+ stderr.write('Got invalid rate "{}" for metal "{}"\n'.format(
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+ price, metal))
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+ elif metal != 'date' and verbose: # Don't print a message for the "date" entry
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+ stderr.write('Got unknown metal "{}" with value "{}"\n',metal,price)
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+metalstr = '\n'.join(metallist)
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+
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+if validfloat(bitcoin['usd']):
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+ bitcoinstr = '{:{}}{} US$ # From services.packetizer.com/btc\n'.format(
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'bitcoin',maxlen,bitcoin['usd'])
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+else:
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+ stderr.write('Got invalid bitcoin rate "{}"\n', bitcoint['usd'])
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+ bitcointstr=''
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+
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outstr = (
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"""# ISO Currency Codes
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@@ -366,9 +404,9 @@ outstr = (
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# Precious metals prices from Packetizer (services.packetizer.com/spotprices)
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-{ozzystr}
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+{metalstr}
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-""".format(codestr=codestr, datestr=datestr, ratestr=ratestr, ozzystr=ozzystr,
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+""".format(codestr=codestr, datestr=datestr, ratestr=ratestr, metalstr=metalstr,
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bitcoinstr=bitcoinstr)
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).replace('\n', linesep)
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--
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2.17.1
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@ -1,7 +1,7 @@
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Summary: A utility for converting amounts from one unit to another
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Name: units
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Version: 2.17
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Release: 4%{?dist}
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Release: 5%{?dist}
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Source: https://ftp.gnu.org/gnu/units/%{name}-%{version}.tar.gz
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URL: https://www.gnu.org/software/units/units.html
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License: GPLv3+
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@ -14,6 +14,9 @@ BuildRequires: ncurses-devel
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BuildRequires: python3-devel
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BuildRequires: readline-devel
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# units_cur: validate rate data from server (#1598913)
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Patch1: 0001-units-2.17-units_cur-validate.patch
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%description
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Units converts an amount from one unit to another, or tells you what
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mathematical operation you need to perform to convert from one unit to
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@ -63,6 +66,9 @@ fi
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%{_mandir}/man1/*
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%changelog
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* Wed Aug 08 2018 Kamil Dudka <kdudka@redhat.com> - 2.17-5
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- units_cur: validate rate data from server (#1598913)
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* Sat Jul 14 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.17-4
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild
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