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util: Implement safety measures around opening a buffer

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This commit is contained in:
Tomas Babej 2015-03-21 19:55:04 +01:00
parent 8089c09101
commit 7e146b438b
1 changed files with 16 additions and 0 deletions
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16
taskwiki/util.py
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@ -82,6 +82,9 @@ def get_input(prompt="Enter: "):
vim.command('redraw')
return value
def get_buffer_shortname():
return vim.eval('expand("%")')
def get_absolute_filepath():
return vim.eval('expand("%:p")')
@ -112,6 +115,19 @@ def show_in_split(lines, size=None, position="belowright", vertical=False,
vim.command("{0} {1}{2}split".format(position, size, vertical_prefix))
vim.command("edit {0}".format(name))
# For some weird reason, edit does not work for some users, but
# enew + file <name> does. Use as fallback.
if get_buffer_shortname() != name:
vim.command("enew")
vim.command("file {0}".format(name))
# If we were still unable to open the buffer, bail out
if get_buffer_shortname() != name:
print("Unable to open a new buffer with name: {0}".format(name))
return
# We're good to go!
vim.command("setlocal noswapfile")
vim.command("setlocal modifiable")
vim.current.buffer.append(lines, 0)