diff options
Diffstat (limited to 'networkx/readwrite/edgelist.py')
| -rw-r--r-- | networkx/readwrite/edgelist.py | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/networkx/readwrite/edgelist.py b/networkx/readwrite/edgelist.py index 239efdbe..57de2c5f 100644 --- a/networkx/readwrite/edgelist.py +++ b/networkx/readwrite/edgelist.py @@ -183,7 +183,8 @@ def parse_edgelist( lines : list or iterator of strings Input data in edgelist format comments : string, optional - Marker for comment lines. Default is `'#'` + Marker for comment lines. Default is `'#'`. To specify that no character + should be treated as a comment, use ``comments=None``. delimiter : string, optional Separator for node labels. Default is `None`, meaning any whitespace. create_using : NetworkX graph constructor, optional (default=nx.Graph) @@ -238,11 +239,12 @@ def parse_edgelist( G = nx.empty_graph(0, create_using) for line in lines: - p = line.find(comments) - if p >= 0: - line = line[:p] - if not line: - continue + if comments is not None: + p = line.find(comments) + if p >= 0: + line = line[:p] + if not line: + continue # split line, should have 2 or more s = line.strip().split(delimiter) if len(s) < 2: @@ -314,7 +316,8 @@ def read_edgelist( opened in 'rb' mode. Filenames ending in .gz or .bz2 will be uncompressed. comments : string, optional - The character used to indicate the start of a comment. + The character used to indicate the start of a comment. To specify that + no character should be treated as a comment, use ``comments=None``. delimiter : string, optional The string used to separate values. The default is whitespace. create_using : NetworkX graph constructor, optional (default=nx.Graph) |