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Replaced modulo formatting with .format calls

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Modulo formatting is py2 (and C printf) style, its arcane and incredibly
hard to read for large formats.

I used keyed .formats where there were more than a few format specifiers
This commit is contained in:
A_D 2020-07-06 21:56:23 +02:00
parent 765dc0bcf3
commit 7260dff9a2
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GPG Key ID: 4BE9EB7DF45076C4
1 changed files with 52 additions and 30 deletions
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82
companion.py
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@ -33,7 +33,8 @@ auth_timeout = 30 # timeout for initial auth
# Currently the "Elite Dangerous Market Connector (EDCD/Athanasius)" one in # Currently the "Elite Dangerous Market Connector (EDCD/Athanasius)" one in
# Athanasius' Frontier account # Athanasius' Frontier account
CLIENT_ID = os.getenv('CLIENT_ID') or 'fb88d428-9110-475f-a3d2-dc151c2b9c7a' # Obtain from https://auth.frontierstore.net/client/signup # Obtain from https://auth.frontierstore.net/client/signup
CLIENT_ID = os.getenv('CLIENT_ID') or 'fb88d428-9110-475f-a3d2-dc151c2b9c7a'
SERVER_AUTH = 'https://auth.frontierstore.net' SERVER_AUTH = 'https://auth.frontierstore.net'
URL_AUTH = '/auth' URL_AUTH = '/auth'
URL_TOKEN = '/token' URL_TOKEN = '/token'
@ -168,7 +169,7 @@ class Auth(object):
def __init__(self, cmdr): def __init__(self, cmdr):
self.cmdr = cmdr self.cmdr = cmdr
self.session = requests.Session() self.session = requests.Session()
self.session.headers['User-Agent'] = 'EDCD-%s-%s' % (appname, appversion) self.session.headers['User-Agent'] = 'EDCD-{}-{}'.format(appname, appversion)
self.verifier = self.state = None self.verifier = self.state = None
def refresh(self): def refresh(self):
@ -195,15 +196,15 @@ class Auth(object):
return data.get('access_token') return data.get('access_token')
else: else:
print('Auth\tCan\'t refresh token for %s' % self.cmdr) print('Auth\tCan\'t refresh token for {}'.format(self.cmdr))
self.dump(r) self.dump(r)
except: except:
print('Auth\tCan\'t refresh token for %s' % self.cmdr) print('Auth\tCan\'t refresh token for {}'.format(self.cmdr))
print_exc() print_exc()
else: else:
print('Auth\tNo token for %s' % self.cmdr) print('Auth\tNo token for {}'.format(self.cmdr))
# New request # New request
print('Auth\tNew authorization request') print('Auth\tNew authorization request')
@ -212,29 +213,43 @@ class Auth(object):
s = random.SystemRandom().getrandbits(8 * 32) s = random.SystemRandom().getrandbits(8 * 32)
self.state = self.base64URLEncode(s.to_bytes(32, byteorder='big')) self.state = self.base64URLEncode(s.to_bytes(32, byteorder='big'))
# Won't work under IE: https://blogs.msdn.microsoft.com/ieinternals/2011/07/13/understanding-protocols/ # Won't work under IE: https://blogs.msdn.microsoft.com/ieinternals/2011/07/13/understanding-protocols/
webbrowser.open('%s%s?response_type=code&audience=frontier&scope=capi&client_id=%s&code_challenge=%s&code_challenge_method=S256&state=%s&redirect_uri=%s' % (SERVER_AUTH, URL_AUTH, CLIENT_ID, self.base64URLEncode(hashlib.sha256(self.verifier).digest()), self.state, protocolhandler.redirect)) webbrowser.open(
'{server_auth}{url_auth}?response_type=code&audience=frontier&scope=capi&client_id={client_id}&code_challenge={challenge}&code_challenge_method=S256&state={state}&redirect_uri={redirect}'.format( # noqa: E501
server_auth=SERVER_AUTH,
url_auth=URL_AUTH,
client_id=CLIENT_ID,
challenge=self.base64URLEncode(hashlib.sha256(self.verifier).digest()),
state=self.state,
redirect=protocolhandler.redirect
)
)
def authorize(self, payload): def authorize(self, payload):
# Handle OAuth authorization code callback. Returns access token if successful, otherwise raises CredentialsError # Handle OAuth authorization code callback.
# Returns access token if successful, otherwise raises CredentialsError
if '?' not in payload: if '?' not in payload:
print('Auth\tMalformed response "%s"' % payload) print('Auth\tMalformed response {!r}'.format(payload))
raise CredentialsError() # Not well formed raise CredentialsError() # Not well formed
data = urllib.parse.parse_qs(payload[payload.index('?')+1:]) data = urllib.parse.parse_qs(payload[payload.index('?') + 1:])
if not self.state or not data.get('state') or data['state'][0] != self.state: if not self.state or not data.get('state') or data['state'][0] != self.state:
print('Auth\tUnexpected response "%s"' % payload) print('Auth\tUnexpected response {!r}'.format(payload))
raise CredentialsError() # Unexpected reply raise CredentialsError() # Unexpected reply
if not data.get('code'): if not data.get('code'):
print('Auth\tNegative response "%s"' % payload) print('Auth\tNegative response {!r}'.format(payload))
# TODO(A_D): there should be a cleaner way to do this rather than raising in every if
# Additionally, this is basically the same code as seen below, helper method perhaps?
if data.get('error_description'): if data.get('error_description'):
raise CredentialsError('Error: %s' % data['error_description'][0]) raise CredentialsError('Error: {!r}'.format(data['error_description'][0]))
elif data.get('error'): elif data.get('error'):
raise CredentialsError('Error: %s' % data['error'][0]) raise CredentialsError('Error: {!r}'.format(data['error'][0]))
elif data.get('message'): elif data.get('message'):
raise CredentialsError('Error: %s' % data['message'][0]) raise CredentialsError('Error: {!r}'.format(data['message'][0]))
else: else:
raise CredentialsError() raise CredentialsError()
@ -252,7 +267,7 @@ class Auth(object):
r = self.session.post(SERVER_AUTH + URL_TOKEN, data=data, timeout=auth_timeout) r = self.session.post(SERVER_AUTH + URL_TOKEN, data=data, timeout=auth_timeout)
data = r.json() data = r.json()
if r.status_code == requests.codes.ok: if r.status_code == requests.codes.ok:
print('Auth\tNew token for %s' % self.cmdr) print('Auth\tNew token for {}'.format(self.cmdr))
cmdrs = config.get('cmdrs') cmdrs = config.get('cmdrs')
idx = cmdrs.index(self.cmdr) idx = cmdrs.index(self.cmdr)
tokens = config.get('fdev_apikeys') or [] tokens = config.get('fdev_apikeys') or []
@ -264,30 +279,30 @@ class Auth(object):
return data.get('access_token') return data.get('access_token')
except: except:
print('Auth\tCan\'t get token for %s' % self.cmdr) print('Auth\tCan\'t get token for {}'.format(self.cmdr))
print_exc() print_exc()
if r: if r:
self.dump(r) self.dump(r)
raise CredentialsError() raise CredentialsError() # TODO(A_D): Probably give more info about the error here
print('Auth\tCan\'t get token for %s' % self.cmdr) print('Auth\tCan\'t get token for {}'.format(self.cmdr))
self.dump(r) self.dump(r)
if data.get('error_description'): if data.get('error_description'):
raise CredentialsError('Error: %s' % data['error_description']) raise CredentialsError('Error: {!r}'.format(data['error_description']))
elif data.get('error'): elif data.get('error'):
raise CredentialsError('Error: %s' % data['error']) raise CredentialsError('Error: {!r}'.format(data['error']))
elif data.get('message'): elif data.get('message'):
raise CredentialsError('Error: %s' % data['message']) raise CredentialsError('Error: {!r}'.format(data['message']))
else: else:
raise CredentialsError() raise CredentialsError()
@staticmethod @staticmethod
def invalidate(cmdr): def invalidate(cmdr):
print('Auth\tInvalidated token for %s' % cmdr) print('Auth\tInvalidated token for {}'.format(cmdr))
cmdrs = config.get('cmdrs') cmdrs = config.get('cmdrs')
idx = cmdrs.index(cmdr) idx = cmdrs.index(cmdr)
tokens = config.get('fdev_apikeys') or [] tokens = config.get('fdev_apikeys') or []
@ -297,7 +312,7 @@ class Auth(object):
config.save() # Save settings now for use by command-line app config.save() # Save settings now for use by command-line app
def dump(self, r): def dump(self, r):
print('Auth\t' + r.url, r.status_code, r.reason and r.reason or 'None', r.text) print('Auth\t' + r.url, r.status_code, r.reason if r.reason else 'None', r.text)
def base64URLEncode(self, text): def base64URLEncode(self, text):
return base64.urlsafe_b64encode(text).decode().replace('=', '') return base64.urlsafe_b64encode(text).decode().replace('=', '')
@ -372,8 +387,8 @@ class Session(object):
def start(self, access_token): def start(self, access_token):
self.session = requests.Session() self.session = requests.Session()
self.session.headers['Authorization'] = 'Bearer %s' % access_token self.session.headers['Authorization'] = 'Bearer {}'.format(access_token)
self.session.headers['User-Agent'] = 'EDCD-%s-%s' % (appname, appversion) self.session.headers['User-Agent'] = 'EDCD-{appname}-{version}'.format(appname=appname, version=appversion)
self.state = Session.STATE_OK self.state = Session.STATE_OK
def query(self, endpoint): def query(self, endpoint):
@ -504,7 +519,14 @@ def fixup(data):
for thing in ['buyPrice', 'sellPrice', 'demand', 'demandBracket', 'stock', 'stockBracket']: for thing in ['buyPrice', 'sellPrice', 'demand', 'demandBracket', 'stock', 'stockBracket']:
if not isinstance(commodity.get(thing), numbers.Number): if not isinstance(commodity.get(thing), numbers.Number):
if __debug__: if __debug__:
print('Invalid "%s":"%s" (%s) for "%s"' % (thing, commodity.get(thing), type(commodity.get(thing)), commodity.get('name', ''))) print(
'Invalid {!r}:{!r} ({}) for {!r}'.format(
thing,
commodity.get(thing),
type(commodity.get(thing)),
commodity.get('name', '')
)
)
break break
else: else:
@ -520,19 +542,19 @@ def fixup(data):
elif not commodity.get('categoryname'): elif not commodity.get('categoryname'):
if __debug__: if __debug__:
print('Missing "categoryname" for "%s"' % commodity.get('name', '')) print('Missing "categoryname" for {!r}'.format(commodity.get('name', '')))
elif not commodity.get('name'): elif not commodity.get('name'):
if __debug__: if __debug__:
print('Missing "name" for a commodity in "%s"' % commodity.get('categoryname', '')) print('Missing "name" for a commodity in {!r}'.format(commodity.get('categoryname', '')))
elif not commodity['demandBracket'] in range(4): elif not commodity['demandBracket'] in range(4):
if __debug__: if __debug__:
print('Invalid "demandBracket":"%s" for "%s"' % (commodity['demandBracket'], commodity['name'])) print('Invalid "demandBracket":{!r} for {!r}'.format(commodity['demandBracket'], commodity['name']))
elif not commodity['stockBracket'] in range(4): elif not commodity['stockBracket'] in range(4):
if __debug__: if __debug__:
print('Invalid "stockBracket":"%s" for "%s"' % (commodity['stockBracket'], commodity['name'])) print('Invalid "stockBracket":{!r} for {!r}'.format(commodity['stockBracket'], commodity['name']))
else: else:
# Rewrite text fields # Rewrite text fields