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-rw-r--r--rplugin/python3/deoplete/sources/beancount.py75
1 files changed, 75 insertions, 0 deletions
diff --git a/rplugin/python3/deoplete/sources/beancount.py b/rplugin/python3/deoplete/sources/beancount.py
new file mode 100644
index 0000000..4618105
--- /dev/null
+++ b/rplugin/python3/deoplete/sources/beancount.py
@@ -0,0 +1,75 @@
+import re
+
+from deoplete.source.base import Base
+
+try:
+ from beancount.loader import load_file
+ from beancount.core.data import Open, Transaction
+ HAS_BEANCOUNT = True
+except ImportError:
+ HAS_BEANCOUNT = False
+
+DIRECTIVES = ['open', 'close', 'commodity', 'txn', 'balance', 'pad', 'note',
+ 'document', 'price', 'event', 'query', 'custom']
+
+
+class Source(Base):
+ def __init__(self, vim):
+ super().__init__(vim)
+ self.vim = vim
+
+ self.name = 'beancount'
+ self.mark = '[bc]'
+ self.filetypes = ['beancount']
+ self.min_pattern_length = 0
+
+ def on_init(self, context):
+ if not HAS_BEANCOUNT:
+ self.error('Importing beancount failed.')
+
+ def on_event(self, context):
+ self.__make_cache(context)
+
+ def get_complete_position(self, context):
+ m = re.search(r'\S*$', context['input'])
+ return m.start() if m else -1
+
+ def gather_candidates(self, context):
+ if re.match(r'^\d{4}[/-]\d\d[/-]\d\d \w*$', context['input']):
+ return DIRECTIVES
+ if not context['complete_str']:
+ return []
+ first = context['complete_str'][0]
+ if first == '#':
+ return ['#' + w for w in self._tags]
+ elif first == '^':
+ return ['^' + w for w in self._links]
+ elif first == '"':
+ return ['"{}"'.format(w) for w in self._payees]
+ return self._accounts
+
+ def __make_cache(self, context):
+ accounts = set()
+ links = set()
+ payees = set()
+ tags = set()
+ if HAS_BEANCOUNT:
+ entries, _, _ = load_file(self.vim.eval("expand('%')"))
+ else:
+ entries = []
+
+ for entry in entries:
+ if isinstance(entry, Open):
+ accounts.add(entry.account)
+ elif isinstance(entry, Transaction):
+ if entry.payee:
+ payees.add(entry.payee)
+ if hasattr(entry, 'links') and entry.links:
+ links.update(entry.links)
+ if hasattr(entry, 'tags') and entry.tags:
+ tags.update(entry.tags)
+
+ self._accounts = sorted(accounts)
+ self._links = sorted(links)
+ self._payees = sorted(payees)
+ self._tags = sorted(tags)