1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
import time
import xml.etree.ElementTree as ET
from datetime import datetime
import requests
from .. import app, db
from .models import Category, Maintainer, Package, PackageVersion
SYNC_BUFFER_SECS = 60*60 #1 hour
proj_url = "https://api.gentoo.org/metastructure/projects.xml"
pkg_url_base = "https://packages.gentoo.org/"
http_session = requests.session()
def get_project_data():
projects = {}
data = http_session.get(proj_url)
if not data:
print("Failed retrieving projects.xml")
return projects
root = ET.fromstring(data.content)
# Parsing is based on http://www.gentoo.org/dtd/projects.dtd as of 2016-11-10
if root.tag.lower() != 'projects':
print("Downloaded projects.xml root tag isn't 'projects'")
return projects
for proj_elem in root:
if proj_elem.tag.lower() != 'project':
print("Skipping unknown <projects> subtag <%s>" % proj_elem.tag)
continue
proj = {
'members': [],
'subprojects': [],
}
for elem in proj_elem:
tag = elem.tag.lower()
if tag in ['email']:
proj[tag] = elem.text.lower()
elif tag in ['name', 'url', 'description']:
proj[tag] = elem.text
elif tag == 'member':
member = {}
if 'is-lead' in elem.attrib and elem.attrib['is-lead'] == '1':
member['is_lead'] = True
for member_elem in elem:
member_tag = member_elem.tag.lower()
if member_tag in ['email']:
member[member_tag] = member_elem.text.lower()
elif member_tag in ['name', 'role']:
member[member_tag] = member_elem.text
if 'email' in member:
proj['members'].append(member)
elif tag == 'subproject':
if 'ref' in elem.attrib:
# subprojects will be a list of (subproject_email, inherit-members) tuples where inherit-members is True or False.
# TODO: Might change if sync code will want it differently
proj['subprojects'].append((elem.attrib['ref'].lower(), True if ('inherit-members' in elem.attrib and elem.attrib['inherit-members'] == '1') else False))
else:
print("Invalid <subproject> tag inside project %s - required 'ref' attribute missing" % proj['email'] if 'email' in proj else "<unknown>")
else:
print("Skipping unknown <project> subtag <%s>" % tag)
if 'email' in proj:
projects[proj['email']] = proj
else:
print("Skipping incomplete project data due to lack of required email identifier: %s" % (proj,))
return projects
def sync_projects():
projects = get_project_data()
existing_maintainers = {}
# TODO: Use UPSERT instead (on_conflict_do_update) if we can rely on postgresql:9.5
for maintainer in Maintainer.query.all():
existing_maintainers[maintainer.email] = maintainer
for email, data in projects.items():
if email in existing_maintainers:
print ("Updating project %s" % email)
existing_maintainers[email].is_project = True
if 'description' in data:
existing_maintainers[email].description = data['description']
if 'name' in data:
existing_maintainers[email].name = data['name']
if 'url' in data:
existing_maintainers[email].url = data['url']
else:
print ("Adding project %s" % email)
new_maintainer = Maintainer(email=email, is_project=True, description=data['description'], name=data['name'], url=data['url'])
db.session.add(new_maintainer)
existing_maintainers[email] = new_maintainer
members = []
for subproject_email, inherit_members in data['subprojects']:
# TODO: How should we handle inherit_members?
if subproject_email in existing_maintainers:
members.append(existing_maintainers[subproject_email])
else:
print("Creating new project entry for subproject: %s" % subproject_email)
new_subproject = Maintainer(email=subproject_email, is_project=True)
db.session.add(new_subproject)
existing_maintainers[subproject_email] = new_subproject
members.append(new_subproject)
for member in data['members']:
if member['email'] in existing_maintainers:
# TODO: Stop overwriting the name from master data, if/once we have a proper sync source for individual maintainers (Gentoo LDAP?)
if 'name' in member:
existing_maintainers[member['email']].name = member['name']
members.append(existing_maintainers[member['email']])
else:
print("Adding individual maintainer %s" % member['email'])
new_maintainer = Maintainer(email=member['email'], is_project=False, name=member['name'] if 'name' in member else None)
db.session.add(new_maintainer)
existing_maintainers[member['email']] = new_maintainer
members.append(new_maintainer)
# TODO: Include role information in the association?
existing_maintainers[email].members = members
db.session.commit()
def sync_categories():
url = pkg_url_base + "categories.json"
data = http_session.get(url)
# TODO: Handle response error (if not data)
categories = data.json()
# TODO: Use UPSERT instead (on_conflict_do_update) if we can rely on postgresql:9.5
existing_categories = {cat.name: cat for cat in Category.query.all()}
for category in categories:
if category['name'] in existing_categories:
existing_categories[category['name']].description = category['description']
else:
new_cat = Category(name=category['name'], description=category['description'])
db.session.add(new_cat)
db.session.commit()
def sync_packages():
for category in Category.query.all():
data = http_session.get(pkg_url_base + "categories/" + category.name + ".json")
if not data:
print("No JSON data for category %s" % category.name) # FIXME: Better handling; mark category as inactive/gone?
continue
packages = data.json()['packages']
# TODO: Use UPSERT instead (on_conflict_do_update)
existing_packages = {pkg.name: pkg for pkg in category.packages}
for package in packages:
if package['name'] in existing_packages:
continue # TODO: Update description once we keep that in DB
else:
new_pkg = Package(category=category, name=package['name'])
db.session.add(new_pkg)
db.session.commit()
def sync_versions():
"""Synchronize packages version data from packages.gentoo.org.
For each package that has not been updated in the last SYNC_BUFFER_SECS,
pull package information and refresh its description, maintainers,
versions and keywords.
"""
cnt = 0
ts = datetime.utcfromtimestamp(time.time() - SYNC_BUFFER_SECS)
now = datetime.utcnow()
existing_maintainers = {}
for maintainer in Maintainer.query.all():
existing_maintainers[maintainer.email] = maintainer
packages_to_sync = Package.query.filter(Package.last_sync_ts < ts).order_by(Package.last_sync_ts).all()
print("Going to sync %d packages%s" % (len(packages_to_sync), (" (oldest sync UTC timestamp: %s)" % packages_to_sync[0].last_sync_ts if len(packages_to_sync) else "")))
for package in packages_to_sync:
cnt += 1
data = http_session.get(pkg_url_base + "packages/" + package.full_name + ".json")
if not data:
print("No JSON data for package %s" % package.full_name) # FIXME: Handle better; e.g mark the package as removed if no pkgmove update
continue
pkg = data.json()
print ("Updating package: %s" % package.full_name)
# 1. refresh description
if 'description' in pkg:
package.description = pkg['description']
# 2. refresh maintainers
maintainers = []
for maint in pkg.get('maintainers', []):
if 'email' not in maint or 'type' not in maint:
raise ValueError(
"Package %s maintainer %s entry not GLEP 67 valid" %
(package.full_name, maint)
)
email = maint['email'].lower()
if email in existing_maintainers:
maintainers.append(existing_maintainers[email])
else:
is_project = False
if maint['type'] == 'project':
is_project = True
print("Adding %s maintainer %s" % ("project" if is_project else "individual", email))
new_maintainer = Maintainer(email=email, is_project=is_project, name=maint.get('name'))
db.session.add(new_maintainer)
existing_maintainers[email] = new_maintainer
maintainers.append(new_maintainer)
# Intentionally outside if 'maintainers' in pkg, because if there are no maintainers in JSON, it's falled to maintainer-needed and we need to clean out old maintainer entries
package.maintainers = maintainers # TODO: Retain order to know who is primary; retain description associated with the maintainership
# TODO: 3. refresh versions
# TODO: 4. refresh keywords
# 5. mark package as refreshed
package.last_sync_ts = now
if not cnt % 100:
print("%d packages updated, committing DB transaction" % cnt)
db.session.commit()
now = datetime.utcnow()
db.session.commit()
|
GitWeb