def edit(filename):
"""
Possible actions: [post rename, edit markdown]
"""
if request.method == 'GET':
location = get_location(filename)
if location:
with open(os.path.join(blog_dir, location, filename),
'r', 'utf-8') as f:
markdown = f.read()
if location == 'publish':
action = 'Save and Publish'
else:
action = 'Save'
edit_commits = hg_edit_commits(filename)
try:
past = edit_commits[1]['node']
except IndexError:
past = None
return render_template('edit_post.html', filename=filename,
markdown=markdown, action=action, past=past)
else:
flash(MSG_POST_NOT_FOUND.format(filename[:-3]))
return redirect(url_for('posts'))
elif request.method == 'POST':
new_filename = request.form['filename']
if not new_filename.endswith('.md'):
new_filename += '.md'
markdown = request.form['markdown']
action = request.form['action']
valid_filename = is_valid_filename(filename)
if not valid_filename:
flash(MSG_POST_FILENAME_INVALID)
elif not is_valid_post(markdown, valid_filename['published']):
flash(MSG_POST_CONTENT_INVALID)
else:
location = get_location(filename)
if not (new_filename == filename) and get_location(new_filename):
flash(MSG_POST_EXISTS)
else:
with open(os.path.join(blog_dir, location, filename),
'w', 'utf-8') as f:
f.write(markdown)
if new_filename == filename:
hg_commit(os.path.join(blog_dir, location, filename),
'edited post {}'.format(filename))
else:
hg_rename(
os.path.join(blog_dir, location, filename),
os.path.join(blog_dir, location, new_filename)
)
flash(MSG_POST_SAVED.format(new_filename[:-3]))
if 'Publish' in action:
bake_blog()
return redirect(url_for('posts'))
return render_template('edit_post.html',
filename=filename, markdown=markdown, action=action)
def move(filename):
location = get_location(filename)
if location:
new_location = get_location(filename, True)
if new_location == 'drafts':
dest = 'drafts'
flash(MSG_POST_DRAFTED.format(filename[:-3]))
else:
dest = 'publish'
flash(MSG_POST_PUBLISHED.format(filename[:-3]))
hg_move(os.path.join(blog_dir, location, filename),
os.path.join(blog_dir, new_location, filename), dest)
bake_blog()
else:
flash(MSG_POST_NOT_FOUND.format(filename[:-3]))
return redirect(url_for('posts'))
def remove(filename):
location = get_location(filename)
if location:
hg_remove(os.path.join(blog_dir, location, filename))
flash(MSG_POST_REMOVED.format(filename[:-3]))
if location == 'publish':
bake_blog()
else:
flash(MSG_POST_NOT_FOUND.format(filename[:-3]))
return redirect(url_for('posts'))
def hg_remove(source):
face = ui.ui()
repo = hg.repository(face, blog_dir)
location = get_location(os.path.basename(source))
commands.remove(face, repo, source)
commands.commit(face, repo, source,
user=g.blog['AUTHOR'],
message='deleted post {}'.format(os.path.basename(source)))
if not os.path.exists(os.path.dirname(source)):
os.mkdir(os.path.dirname(source))
def edit_revision(filename, revision):
location = get_location(filename)
if location == 'publish':
action = 'Save and Publish'
else:
action = 'Save'
# We will only show 'edit' commits done to the user
edit_commits = hg_edit_commits(filename)
for i, commit in enumerate(edit_commits):
if commit['node'] == revision:
try:
past = edit_commits[i+1]['node']
except IndexError:
past = None
try:
future = edit_commits[i-1]['node']
except IndexError:
future = None
if i == 0:
future = None
# Track the location of the post file
moved = None
for i, commit in enumerate(hg_commits(filename)):
if commit['move']:
moved = commit['move'].split()[1][1:-1]
if commit['node'] == revision:
if commit['move']:
moved = commit['move'].split()[0]
break
# hg_revision takes paths relative to the repo root
# thanks to ronny@#mercurial
if moved:
relpath = moved
else:
relpath = os.path.join(get_location(filename), filename)
markdown = hg_revision(relpath, revision).decode('utf-8')
return render_template('edit_post.html', filename=filename,
markdown=markdown, action=action, past=past, future=future)
def new():
"""
Actions are sent as forms, and redirects are made by `referer`
"""
if request.method == 'GET':
filename, markdown = default_post()
return render_template('new_post.html',
filename=filename, markdown=markdown)
elif request.method == 'POST':
filename = request.form['filename']
if not filename.endswith('.md'):
filename += '.md'
markdown = request.form['markdown']
action = request.form['action']
valid_filename = is_valid_filename(filename)
if not valid_filename:
flash(MSG_POST_FILENAME_INVALID)
elif get_location(filename):
flash(MSG_POST_EXISTS)
elif not is_valid_post(markdown, valid_filename['published']):
flash(MSG_POST_CONTENT_INVALID)
else:
if 'Draft' in action:
dest = 'drafts'
flash(MSG_POST_SAVED.format(filename[:-3]))
elif 'Publish' in action:
dest = 'publish'
flash(MSG_POST_PUBLISHED.format(filename[:-3]))
with open(os.path.join(blog_dir, dest, filename),
'w', 'utf-8') as f:
f.write(markdown)
if 'Publish' in action:
bake_blog()
source = os.path.join(blog_dir, get_location(filename))
hg_add(source)
hg_commit(source, 'new post {} in {}'.format(filename, dest))
return redirect(url_for('posts'))
return render_template(request.form['referer'],
filename=filename, markdown=markdown)
def hg_commits(filename):
face = ui.ui()
repo = hg.repository(face, blog_dir)
location = get_location(filename)
face.pushbuffer()
commands.log(face, repo, os.path.join(blog_dir, location, filename),
date='', rev=[], follow=True,
template="node:{node}\ndesc:{desc}\nmove:{file_copies}\n\n")
output = face.popbuffer()
commit = []
commits = []
for line in output.splitlines():
if line:
commit.append(line.split(':'))
else:
commits.append(dict(commit))
commit = []
return commits
