def do_import_languages(file_data: List[dict]):
imported = set()
print("Importing languages ... ", flush=True)
with progressbar.ProgressBar(max_value=len(file_data)) as bar:
for idx, p in enumerate(file_data):
info = p.get('info')
classifiers = info.get('classifiers')
for c in classifiers:
if 'Programming Language' not in c:
continue
original = c
c = c.replace('Implementation ::', '').replace('::', ':')
text = c
parts = c.split(':')
if len(parts) > 1:
text = ' '.join(parts[-2:]).strip().replace(' ', ' ')
if text not in imported:
imported.add(text)
session: Session = DbSession.factory()
lang = ProgrammingLanguage()
lang.description = original
lang.id = text
session.add(lang)
session.commit()
bar.update(idx)
sys.stderr.flush()
sys.stdout.flush()
def latest_releases(limit=10) -> List[Package]:
session: Session = DbSession.factory()
releases = session.query(Release) \
.order_by(Release.created_date.desc()) \
.limit(limit * 2)
packages_in_order = [r.package_id for r in releases]
package_ids = set(packages_in_order)
packages = {
p.id: p
for p in session.query(Package).filter(Package.id.in_(package_ids))
}
session.close()
results = []
for r in releases:
if len(results) >= limit:
break
results.append(packages[r.package_id])
return results
def insert_a_package():
p = Package()
p.id = input("Package name: ")
p.summary = input("Package summary: ")
p.author_name = input("Author name: ")
p.author_email = input("Author email: ")
p.license = input("license: ")
r1 = Release()
print("Release 1: ")
r1.major_ver = int(input('Major version:'))
r1.minor_ver = int(input('Minor version:'))
r1.build_ver = int(input('Build version:'))
r1.size = 100_000
r2 = Release()
print("Release 2: ")
r2.major_ver = int(input('Major version:'))
r2.minor_ver = int(input('Minor version:'))
r2.build_ver = int(input('Build version:'))
r2.size = 200_000
p.releases.append(r1)
p.releases.append(r2)
session = DbSession.factory()
session.add(p)
session.commit()
def maintainers_for_packages(package_name: str) -> List[Maintainer]:
session: Session = DbSession.factory()
try:
user_ids = [
r.user_id for r in session.query(Maintainer).filter(
Maintainer.package_id == package_name)
]
return list(session.query(User).filter(User.id.in_(user_ids)))
finally:
session.close()
def do_summary():
session = DbSession.factory()
print("Final numbers:")
print("Users: {:,}".format(session.query(User).count()))
print("Packages: {:,}".format(session.query(Package).count()))
print("Releases: {:,}".format(session.query(Release).count()))
print("Maintainers: {:,}".format(session.query(Maintainer).count()))
print("Languages: {:,}".format(session.query(ProgrammingLanguage).count()))
print("Licenses: {:,}".format(session.query(License).count()))
def load_package(data: dict, user_lookup: Dict[str, User]):
try:
info = data.get('info', {})
p = Package()
p.id = data.get('package_name', '').strip()
if not p.id:
return
p.author = info.get('author')
p.author_email = info.get('author_email')
releases = build_releases(p.id, data.get("releases", {}))
if releases:
p.created_date = releases[0].created_date
maintainers_lookup = get_email_and_name_from_text(
info.get('maintainer'), info.get('maintainer_email'))
maintainers = []
for email, name in maintainers_lookup.items():
user = user_lookup.get(email)
if not user:
continue
m = Maintainer()
m.package_id = p.id
m.user_id = user.id
maintainers.append(m)
p.summary = info.get('summary')
p.description = info.get('description')
p.home_page = info.get('home_page')
p.docs_url = info.get('docs_url')
p.package_url = info.get('package_url')
p.author = info.get('author')
p.author_email = info.get('author_email')
p.license = detect_license(info.get('license'))
session = DbSession.factory()
session.add(p)
session.add_all(releases)
if maintainers:
session.add_all(maintainers)
session.commit()
session.close()
except OverflowError:
# What the heck, people just putting fake data in here
# Size is terabytes...
pass
except Exception:
raise
def create_user(email: str, name: str, password: str) -> User:
user = User()
user.name = name
user.email = email.lower().strip()
user.hashed_password = hash_text(password)
session: Session = DbSession.factory()
session.add(user)
session.commit()
session.close()
return user
def do_user_import(user_lookup: Dict[str, str]) -> Dict[str, User]:
print("Importing users ... ", flush=True)
with progressbar.ProgressBar(max_value=len(user_lookup)) as bar:
for idx, (email, name) in enumerate(user_lookup.items()):
session: Session = DbSession.factory()
session.expire_on_commit = False
user = User()
user.email = email
user.name = name
session.add(user)
session.commit()
bar.update(idx)
print()
sys.stderr.flush()
sys.stdout.flush()
session: Session = DbSession.factory()
return {u.email: u for u in session.query(User)}
def main():
init_db()
session = DbSession.factory()
user_count = session.query(User).count()
session.close()
if user_count == 0:
file_data = do_load_files()
users = find_users(file_data)
db_users = do_user_import(users)
do_import_packages(file_data, db_users)
do_import_languages(file_data)
do_import_licenses(file_data)
do_summary()
def find_package_by_name(package_name: str) -> Optional[Package]:
session: Session = DbSession.factory()
# .options(subqueryload(Package.releases))
try:
package = session.query(Package) \
.filter(Package.id == package_name) \
.options(subqueryload(Package.releases)) \
.first()
if package:
# noinspection PyUnusedLocal
devnull = package.releases
return package
finally:
session.close()
def login_user(email: str, password: str) -> Optional[User]:
if not email:
return None
email = email.lower().strip()
session: Session = DbSession.factory()
user = session.query(User).filter(User.email == email).first()
session.close()
if not user:
return None
if not verify_hash(user.hashed_password, password):
return None
return user
def do_import_licenses(file_data: List[dict]):
imported = set()
print("Importing licenses ... ", flush=True)
with progressbar.ProgressBar(max_value=len(file_data)) as bar:
for idx, p in enumerate(file_data):
info = p.get('info')
license_text = detect_license(info.get('license'))
if license_text and license_text not in imported:
imported.add(license_text)
session: Session = DbSession.factory()
package_license = License()
package_license.id = license_text
package_license.description = info.get('license')
session.add(package_license)
session.commit()
bar.update(idx)
sys.stderr.flush()
sys.stdout.flush()
def all_packages(limit: int) -> List[Package]:
session: Session = DbSession.factory()
try:
return list(session.query(Package).limit(limit))
finally:
session.close()
def find_user_by_id(user_id: int) -> Optional[User]:
session: Session = DbSession.factory()
try:
return session.query(User).filter(User.id == user_id).first()
finally:
session.close()
def find_user_by_email(email: str) -> Optional[User]:
session: Session = DbSession.factory()
try:
return session.query(User).filter(User.email == email).first()
finally:
session.close()
def user_count() -> int:
session: Session = DbSession.factory()
try:
return session.query(User).count()
finally:
session.close()
def package_count() -> int:
session: Session = DbSession.factory()
try:
return session.query(Package).count()
finally:
session.close()
def release_count() -> int:
session: Session = DbSession.factory()
try:
return session.query(Release).count()
finally:
session.close()