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refactor requirements parsing

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Job Evers-Meltzer 2017-01-02 11:42:36 -06:00
parent 3bb8f4ac21
commit 26cf04e0c1
1 changed files with 54 additions and 39 deletions
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93
lbrynet/lbrynet_daemon/UIManager.py
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@ -155,45 +155,8 @@ class UIManager(object):
if not os.path.isfile(requires_file):
log.info("No requirements.txt file, rejecting request to migrate this UI")
return defer.succeed(False)
f = open(requires_file, "r")
for requirement in [line for line in f.read().split('\n') if line]:
t = requirement.split('=')
if len(t) == 3:
self.requirements[t[0]] = {'version': t[1], 'operator': '=='}
elif t[0][-1] == ">":
self.requirements[t[0][:-1]] = {'version': t[1], 'operator': '>='}
elif t[0][-1] == "<":
self.requirements[t[0][:-1]] = {'version': t[1], 'operator': '<='}
f.close()
passed_requirements = True
for r in self.requirements:
if r == 'lbrynet':
c = lbrynet_version
elif r == 'lbryum':
c = lbryum_version
else:
c = None
if c:
log_msg = "Local version %s of %s does not meet UI requirement for version %s"
if self.requirements[r]['operator'] == '==':
if not self.requirements[r]['version'] == c:
passed_requirements = False
log.info(log_msg, c, r, self.requirements[r]['version'])
else:
log.info("Local version of %s meets ui requirement" % r)
if self.requirements[r]['operator'] == '>=':
if not self.requirements[r]['version'] <= c:
passed_requirements = False
log.info(log_msg, c, r, self.requirements[r]['version'])
else:
log.info("Local version of %s meets ui requirement" % r)
if self.requirements[r]['operator'] == '<=':
if not self.requirements[r]['version'] >= c:
passed_requirements = False
log.info(log_msg, c, r, self.requirements[r]['version'])
else:
log.info("Local version of %s meets ui requirement" % r)
requirements = Requirements(requires_file)
passed_requirements = requirements.check(lbrynet_version, lbryum_version)
return defer.succeed(passed_requirements)
def _disp_failure():
@ -329,3 +292,55 @@ def load_ui(root, active_dir):
entry = os.path.join(active_dir, name)
if os.path.isdir(entry):
root.putChild(os.path.basename(entry), NoCacheStaticFile(entry))
class Requirements(object):
def __init__(self, requires_file):
self.requires_file = requires_file
def check(self, lbrynet_version, lbryum_version):
requirements = self._read()
expected = {'lbrynet': lbrynet_version, 'lbryum': lbryum_version}
return check_requirements(requirements, expected)
def _read(self):
requirements = {}
with open(self.requires_file, "r") as f:
for requirement in [line for line in f.read().split('\n') if line]:
t = requirement.split('=')
if len(t) == 3:
requirements[t[0]] = {'version': t[1], 'operator': '=='}
elif t[0][-1] == ">":
requirements[t[0][:-1]] = {'version': t[1], 'operator': '>='}
elif t[0][-1] == "<":
requirements[t[0][:-1]] = {'version': t[1], 'operator': '<='}
return requirements
def check_requirements(expected, actual):
passed_requirements = True
for name in expected:
if name in actual:
version = actual[name]
else:
continue
log_msg = "Local version %s of %s does not meet UI requirement for version %s"
if expected[name]['operator'] == '==':
if not expected[name]['version'] == version:
passed_requirements = False
log.info(log_msg, version, name, expected[name]['version'])
else:
log.info("Local version of %s meets ui requirement" % name)
if expected[name]['operator'] == '>=':
if not expected[name]['version'] <= version:
passed_requirements = False
log.info(log_msg, version, name, expected[name]['version'])
else:
log.info("Local version of %s meets ui requirement" % name)
if expected[name]['operator'] == '<=':
if not expected[name]['version'] >= version:
passed_requirements = False
log.info(log_msg, version, name, expected[name]['version'])
else:
log.info("Local version of %s meets ui requirement" % name)
return passed_requirements