Add model fields for Package type

closes #3199
https://pulp.plan.io/issues/3199

.travis.yml

@@ -7,7 +7,6 @@ python:
     - "3.5"
     - "3.6"
 env:
-  - DB=sqlite
   - DB=postgres
 addons:
     # postgres versions provided by el7 RHSCL (lowest supportable version)

pulp_rpm/app/constants.py

@@ -0,0 +1,24 @@
+from types import SimpleNamespace
+
+CHECKSUM_TYPES = SimpleNamespace(
+    UNKNOWN='unknown',
+    MD5='md5',
+    SHA='sha1',  # compatibility nickname from original createrepo
+    SHA1='sha1',
+    SHA224='sha224',
+    SHA256='sha256',
+    SHA384='sha384',
+    SHA512='sha512'
+)
+
+# The same as above, but in a format that choice fields can use
+CHECKSUM_CHOICES = (
+    (CHECKSUM_TYPES.UNKNOWN, CHECKSUM_TYPES.UNKNOWN),
+    (CHECKSUM_TYPES.MD5, CHECKSUM_TYPES.MD5),
+    (CHECKSUM_TYPES.SHA, CHECKSUM_TYPES.SHA),
+    (CHECKSUM_TYPES.SHA1, CHECKSUM_TYPES.SHA1),
+    (CHECKSUM_TYPES.SHA224, CHECKSUM_TYPES.SHA224),
+    (CHECKSUM_TYPES.SHA256, CHECKSUM_TYPES.SHA256),
+    (CHECKSUM_TYPES.SHA384, CHECKSUM_TYPES.SHA384),
+    (CHECKSUM_TYPES.SHA512, CHECKSUM_TYPES.SHA512)
+)

pulp_rpm/app/models.py

@@ -1,33 +1,203 @@
 from logging import getLogger
 
+from django.db import models
 from pulpcore.plugin.models import Content, Remote, Publisher
 
+from pulp_rpm.app.constants import CHECKSUM_CHOICES
+
 
 log = getLogger(__name__)
 
 
 class RpmContent(Content):
     """
-    The "rpm" content type.
+    The "rpm" content type. Maps directly to the fields provided by createrepo_c
 
-    Description of the content type.
+    https://github.com/rpm-software-management/createrepo_c/
 
     Fields:
-        field1 (type): Description of the field1
-        field2 (type): Description of the field2
-        ...
+        name (Text):
+            Name of the package
+        epoch (Text):
+            The package's epoch
+        version (Text):
+            The version of the package. For example, '2.8.0'
+        release (Text):
+            The release of a particular version of the package. Although this field
+            can technically be anything, packaging guidelines usually require it to
+            be an integer followed by the platform, e.g. '1.el7' or '3.f24'. This field
+            is incremented by the packager whenever a new release of the same version
+            is created.
+        arch (Text):
+            The target architecture for a package. For example, 'x86_64', 'i686', or 'noarch'.
+
+        pkgId (Text):
+            Checksum of the package file
+        checksum_type (Text):
+            Type of checksum, e.g. 'sha256', 'md5'
+
+        summary (Text):
+            Short description of the packaged software
+        description (Text):
+            In-depth description of the packaged software
+        url (Text):
+            URL with more information about the packaged software. This could be the project's
+            website or its code repository.
+
+        changelogs (Text):
+            Changelogs that package contains - see comments below
+        files (Text):
+            Files that package contains - see comments below
+
+        requires (Text):
+            Capabilities the package requires - see comments below
+        provides (Text):
+            Capabilities the package provides - see comments below
+        conflicts (Text):
+            Capabilities the package conflicts with - see comments below
+        obsoletes (Text):
+            Capabilities the package obsoletes - see comments below
+        suggests (Text):
+            Capabilities the package suggests - see comments below
+        enhances (Text):
+            Capabilities the package enhances - see comments below
+        recommends (Text):
+            Capabilities the package recommends - see comments below
+        supplements (Text):
+            Capabilities the package supplements - see comments below
+
+        location_base (Text):
+            Base location of this package
+        location_href (Text):
+            Relative location of package to the repodata
+
+        rpm_buildhost (Text):
+            Hostname of the system that built the package
+        rpm_group (Text):
+            RPM group (See: http://fedoraproject.org/wiki/RPMGroups)
+        rpm_header_end (Text):
+            Last byte of the header
+        rpm_header_start (Text):
+            First byte of the header
+        rpm_license (Text):
+            License term applicable to the package software (GPLv2, etc.)
+        rpm_packager (Text):
+            Person or persons responsible for creating the package
+        rpm_sourcerpm (Text):
+            Name of the source package (srpm) the package was built from
+        rpm_vendor (Text):
+            Name of the organization that produced the package
 
+        size_archive (BigInteger):
+            Size, in bytes, of the archive portion of the original package file
+        size_installed (BigInteger):
+            Total size, in bytes, of every file installed by this package
+        size_package (BigInteger):
+            Size, in bytes, of the package
+
+        time_build (BigInteger):
+             Time the package was built in seconds since the epoch.
+        time_file (BigInteger):
+            The mtime of the package file in seconds since the epoch; this is the 'file' time
+            attribute in the primary XML.
     """
-    TYPE = 'type'
+    TYPE = 'rpm'
+
+    # Required metadata
+    name = models.TextField()
+    epoch = models.TextField()
+    version = models.TextField()
+    release = models.TextField()
+    arch = models.TextField()
+
+    pkgId = models.TextField()  # formerly "checksum"
+    checksum_type = models.TextField(choices=CHECKSUM_CHOICES)
+
+    # Optional metadata
+    summary = models.TextField(blank=True)
+    description = models.TextField(blank=True)
+    url = models.TextField(blank=True)
+
+    # A string containing a JSON-encoded list of dictionaries, each of which represents a single
+    # changelog. Each changelog dict contains the following fields:
+    #
+    #   date (int):     date of changelog - seconds since epoch
+    #   author (str):   author of the changelog
+    #   changelog (str: changelog text
+    changelogs = models.TextField(default='[]', blank=True)
 
-    # field1 = models.TextField(blank=False, null=False)
-    # field2 = models.TextField(blank=False, null=False)
+    # A string containing a JSON-encoded list of files, each of which represents a single file.
+    # Each file dict contains the following fields:
+    #
+    #   type (str):     one of "" (regular file), "dir", "ghost"
+    #   path (str):     path to file
+    #   name (str):     filename
+    files = models.TextField(default='[]', blank=True)
 
-    # class Meta:
-    #     unique_together = (
-    #         'field1',
-    #         'field2'
-    #     )
+    # Each of these is a string containing a JSON-encoded list of dictionaries, each of which
+    # represents a dependency. Each dependency dict contains the following fields.
+    #
+    #   name (str):     name
+    #   flags (str):    flags
+    #   epoch (str):    epoch
+    #   version (str):  version
+    #   release (str):  release
+    #   pre (bool):     preinstall
+    requires = models.TextField(default='[]', blank=True)
+    provides = models.TextField(default='[]', blank=True)
+    conflicts = models.TextField(default='[]', blank=True)
+    obsoletes = models.TextField(default='[]', blank=True)
+    suggests = models.TextField(default='[]', blank=True)
+    enhances = models.TextField(default='[]', blank=True)
+    recommends = models.TextField(default='[]', blank=True)
+    supplements = models.TextField(default='[]', blank=True)
+
+    location_base = models.TextField(blank=True)
+    location_href = models.TextField(blank=True)
+
+    rpm_buildhost = models.TextField(blank=True)
+    rpm_group = models.TextField(blank=True)
+    rpm_license = models.TextField(blank=True)
+    rpm_packager = models.TextField(blank=True)
+    rpm_sourcerpm = models.TextField(blank=True)
+    rpm_vendor = models.TextField(blank=True)
+    rpm_header_start = models.BigIntegerField(null=True, blank=True)
+    rpm_header_end = models.BigIntegerField(null=True, blank=True)
+
+    size_archive = models.BigIntegerField(null=True, blank=True)
+    size_installed = models.BigIntegerField(null=True, blank=True)
+    size_package = models.BigIntegerField(null=True, blank=True)
+
+    time_build = models.BigIntegerField(null=True, blank=True)
+    time_file = models.BigIntegerField(null=True, blank=True)
+
+    @property
+    def nevra(self):
+        """ Package NEVRA string (Name-Epoch-Version-Release-Architecture)
+        """
+        return "{n}-{e}:{v}-{r}.{a}".format(
+            n=self.name, e=self.epoch, v=self.version, r=self.release, a=self.arch)
+
+    @property
+    def nvra(self):
+        """ Package NVRA string (Name-Version-Release-Architecture)
+        """
+        return "{n}-{v}-{r}.{a}".format(
+            n=self.name, v=self.version, r=self.release, a=self.arch)
+
+    class Meta:
+        unique_together = (
+            'name', 'epoch', 'version', 'release', 'arch', 'checksumtype', 'checksum'
+        )
+
+
+class SrpmContent(RpmContent):
+    """
+    The "srpm" content type
+
+    (same as the "rpm" content type)
+    """
+    TYPE = 'rpm'
 
 
 class RpmRemote(Remote):