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Improve tooling and backend for creating and working with knowledge p…
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Original file line number | Diff line number | Diff line change |
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from __future__ import print_function | ||
from builtins import input | ||
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import os | ||
import shutil | ||
import logging | ||
import re | ||
import git | ||
import socket | ||
import time | ||
from io import open | ||
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from knowledge_repo._version import __git_uri__ | ||
from ..post import KnowledgePost | ||
from ..repository import KnowledgeRepository | ||
from ..utils.exec_code import get_module_for_source | ||
from ..utils.types import str_types | ||
from ..utils.encoding import encode | ||
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logger = logging.getLogger(__name__) | ||
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class FolderKnowledgeRepository(KnowledgeRepository): | ||
_registry_keys = ['', 'file'] | ||
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TEMPLATES = { | ||
'README.md': os.path.abspath(os.path.join(os.path.dirname(__file__), '../templates', 'repository_readme.md')), | ||
'.knowledge_repo_config.yml': os.path.abspath(os.path.join(os.path.dirname(__file__), '../templates', 'repository_config.yml')) | ||
} | ||
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@classmethod | ||
def create(cls, uri, embed_tooling=False): | ||
if uri.startswith('file://'): | ||
uri = uri[len('file://'):] | ||
path = os.path.abspath(uri) | ||
if not os.path.exists(path): | ||
os.makedirs(path) | ||
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# Add README and configuration templates | ||
for filename, template in cls.TEMPLATES.items(): | ||
target = os.path.join(path, filename) | ||
if not os.path.exists(target): | ||
shutil.copy(template, target) | ||
else: | ||
logger.warning("Not overriding existing file '{}'.".format(filename)) | ||
return FolderKnowledgeRepository(path) | ||
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@classmethod | ||
def from_uri(cls, uri, *args, **kwargs): | ||
""" | ||
If this folder is actually a git repository, a `GitKnowledgeRepository` | ||
is returned instead, unless the folder knowledge repository is explicitly | ||
requested via the 'file://' protocol. | ||
""" | ||
check_for_git = True | ||
if uri.startswith('file://'): | ||
check_for_git = False | ||
uri = uri[len('file://'):] | ||
if check_for_git and os.path.exists(os.path.join(uri, '.git')): | ||
from .gitrepository import GitKnowledgeRepository | ||
return GitKnowledgeRepository(uri, *args, **kwargs) | ||
return cls(uri, *args, **kwargs) | ||
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def init(self, config='.knowledge_repo_config.yml', auto_create=False): | ||
self.auto_create = auto_create | ||
self.path = self.uri | ||
self.config.update(os.path.join(self.path, config)) | ||
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@property | ||
def path(self): | ||
return self._path | ||
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@path.setter | ||
def path(self, path): | ||
assert isinstance(path, str), "The path specified must be a string." | ||
path = os.path.abspath(os.path.expanduser(path)) | ||
if not os.path.exists(path): | ||
path = os.path.abspath(path) | ||
if self.auto_create: | ||
self.create(path) | ||
else: | ||
raise ValueError("Provided path '{}' does not exist.".format(path)) | ||
self._path = path | ||
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# ----------- Repository actions / state ------------------------------------ | ||
@property | ||
def revision(self): | ||
return time.time() | ||
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@property | ||
def status(self): | ||
return 'OK' | ||
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@property | ||
def status_message(self): | ||
return 'OK' | ||
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# ---------------- Post retrieval methods -------------------------------- | ||
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def _dir(self, prefix, statuses): | ||
posts = set() | ||
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if self.PostStatus.PUBLISHED in statuses: | ||
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for path, folders, files in os.walk(os.path.join(self.path, prefix or '')): | ||
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# Do not visit hidden folders | ||
for folder in folders: | ||
if folder.startswith('.'): | ||
folders.remove(folder) | ||
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posts.update( | ||
os.path.join(os.path.relpath(path, start=self.path), folder) | ||
for folder in folders if folder.endswith('.kp') | ||
) | ||
posts.update( | ||
os.path.join(os.path.relpath(path, start=self.path), file) | ||
for file in files if file.endswith('.kp') | ||
) | ||
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for post in sorted([post[2:] if post.startswith('./') else post for post in posts]): | ||
yield post | ||
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# ------------- Post submission / addition user flow ---------------------- | ||
def _add_prepare(self, kp, path, update=False, **kwargs): | ||
pass | ||
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def _add_cleanup(self, kp, path, update=False, **kwargs): | ||
pass | ||
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def _submit(self, path=None, branch=None, force=False): | ||
pass # Added posts are already submitted | ||
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def _publish(self, path): # Publish a post for general perusal | ||
pass # Added posts are already published | ||
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def _unpublish(self, path): # unpublish a post for general perusal | ||
raise NotImplementedError | ||
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def _accept(self, path): # Approve to publish a post for general perusal | ||
pass | ||
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def _remove(self, path, all=False): | ||
shutil.rmtree(os.path.join(self.path, path)) | ||
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# ------------ Knowledge Post Data Retrieval Methods ------------------------- | ||
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def _kp_uuid(self, path): | ||
try: | ||
return self._kp_read_ref(path, 'UUID') | ||
except: | ||
return None | ||
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def _kp_path(self, path, rel=None): | ||
return KnowledgeRepository._kp_path(self, os.path.expanduser(path), rel=rel or self.path) | ||
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def _kp_exists(self, path, revision=None): | ||
return os.path.exists(os.path.join(self.path, path)) | ||
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def _kp_status(self, path, revision=None, detailed=False, branch=None): | ||
return self.PostStatus.PUBLISHED | ||
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def _kp_get_revision(self, path): | ||
# We use a 'REVISION' file in the knowledge post folder rather than using git | ||
# revisions because using git rev-parse is slow. | ||
try: | ||
return int(self._kp_read_ref(path, 'REVISION')) | ||
except: | ||
return 0 | ||
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def _kp_get_revisions(self, path): | ||
raise NotImplementedError | ||
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def _kp_write_ref(self, path, reference, data, uuid=None, revision=None): | ||
path = os.path.join(self.path, path) | ||
if os.path.isfile(path): | ||
kp = KnowledgePost.from_file(path, format='kp') | ||
kp._write_ref(reference, data) | ||
kp.to_file(path, format='kp') | ||
else: | ||
ref_path = os.path.join(path, reference) | ||
ref_dir = os.path.dirname(ref_path) | ||
if not os.path.exists(ref_dir): | ||
os.makedirs(ref_dir) | ||
with open(ref_path, 'wb') as f: | ||
return f.write(data) | ||
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def _kp_dir(self, path, parent=None, revision=None): # TODO: Account for revision | ||
path = os.path.join(self.path, path) | ||
if os.path.isdir(path): | ||
if parent: | ||
path = os.path.join(path, parent) | ||
for dirpath, dirnames, filenames in os.walk(os.path.join(self.path, path)): | ||
for filename in filenames: | ||
if dirpath == "" and filename == "REVISION": | ||
continue | ||
yield os.path.relpath(os.path.join(dirpath, filename), os.path.join(self.path, path)) | ||
else: | ||
kp = KnowledgePost.from_file(path, format='kp') | ||
for reference in kp._dir(parent=parent): | ||
yield reference | ||
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def _kp_has_ref(self, path, reference, revision=None): # TODO: Account for revision | ||
path = os.path.join(self.path, path) | ||
if os.path.isdir(path): | ||
return os.path.isfile(os.path.join(path, reference)) | ||
else: | ||
kp = KnowledgePost.from_file(path, format='kp') | ||
return kp._has_ref(reference) | ||
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def _kp_diff(self, path, head, base): | ||
raise NotImplementedError | ||
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def _kp_new_revision(self, path, uuid=None): | ||
self._kp_write_ref(path, "REVISION", encode(self._kp_get_revision(path) + 1)) | ||
if uuid: | ||
self._kp_write_ref(path, "UUID", encode(uuid)) | ||
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def _kp_read_ref(self, path, reference, revision=None): | ||
path = os.path.join(self.path, path) | ||
if os.path.isdir(path): | ||
with open(os.path.join(self.path, path, reference), 'rb') as f: | ||
return f.read() | ||
else: | ||
kp = KnowledgePost.from_file(path, format='kp') | ||
return kp._read_ref(reference) |
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